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workspace:
base: /go
path: src/github.com/Unikorn123/drone-clair
pipeline:
build:
image: golang:1.7
environment:
- CGO_ENABLED=0
commands:
- go test -cover -coverprofile=coverage.out
- go build -ldflags "-s -w -X main.revision=$(git rev-parse HEAD)" -a

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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
coverage.out
drone-hipchat

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The Hipchat plugin sends build status messages to users and rooms. The below pipeline configuration demonstrates simple usage:
```yaml
pipeline:
clair:
image: Unikorn123/drone-clair
url: http://clair.company.com
username: johndoe
password: mysecret
scan_image: python:2.7
```
# Secrets
The Hipchat plugin supports reading credentials from the Drone secret store. This is strongly recommended instead of storing credentials in the pipeline configuration in plain text.
```diff
pipeline:
slack:
image: jmccann/drone-hipchat
room: my-room
- auth_token: my-auth-token
```
The above `auth_token` Yaml attribute can be replaced with the `HIPCHAT_AUTH_TOKEN` secret environment variable.
Use the command line utility to add secrets to the store:
```nohighlight
drone secret add --image=jmccann/drone-hipchat \
octocat/hello-world HIPCHAT_AUTH_TOKEN abcd1234
```
Don't forget to sign the Yaml after making changes:
```nohighlight
drone sign octocat/hello-world
```
Please see the [Drone documentation](http://readme.drone.io/0.5/secrets-with-plugins/) to learn more about secrets.
# Secret Reference
HIPCHAT_AUTH_TOKEN
: HipChat V2 API token
# Parameter Reference
url
: HipChat server URL, defaults to `https://api.hipchat.com`
auth_token
: HipChat V2 API token; use a room or user token with the `Send Notification` scope
room
: ID or URL encoded name of the room
from: drone
: A label to be shown in addition to sender's name
notify: false
: Whether this message should trigger a user notification. See https://www.hipchat.com/docs/apiv2/method/private_message_user

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# Docker image for the Drone clair plugin
#
# cd $GOPATH/src/github.com/Unikorn123/drone-clair
# go build
# docker build --rm=true -t Unikorn123/drone-clair .
FROM alpine:3.3
RUN apk update && \
apk add \
ca-certificates && \
rm -rf /var/cache/apk/*
ADD drone-clair /bin/
ENTRYPOINT ["/bin/drone-clair"]

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# drone-clair
Drone plugin to scan docker images with clair.
For the usage information and a listing of the available options please take a look at [the docs](DOCS.md).
## Build
Build the binary with the following commands:
```
go build
go test
```
## Usage
Execute from the working directory:
```
docker run --rm \
Unikorn123/drone-clair --url http://clair.company.com --username johndoe \
--password mysecret --scan_image python:2.7
```

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package main
import (
"os"
"github.com/Sirupsen/logrus"
"github.com/urfave/cli"
)
var revision string // build number set at compile-time
func main() {
app := cli.NewApp()
app.Name = "clair plugin"
app.Usage = "clair plugin"
app.Action = run
app.Version = revision
app.Flags = []cli.Flag{
//
// plugin args
//
cli.StringFlag{
Name: "url",
Usage: "clair server URL",
EnvVar: "PLUGIN_URL",
},
cli.StringFlag{
Name: "username",
Usage: "docker username",
EnvVar: "DOCKER_USERNAME,PLUGIN_USERNAME",
},
cli.StringFlag{
Name: "password",
Usage: "docker password",
EnvVar: "DOCKER_PASSWORD,PLUGIN_PASSWORD",
},
cli.StringFlag{
Name: "scan_image",
Usage: "docker image to scan with clair",
EnvVar: "PLUGIN_SCAN_IMAGE",
},
}
if err := app.Run(os.Args); err != nil {
logrus.Fatal(err)
}
}
func run(c *cli.Context) error {
logrus.WithFields(logrus.Fields{
"Revision": revision,
}).Info("Drone clair Plugin Version")
plugin := Plugin{
Url: c.String("url"),
Username: c.String("username"),
Password: c.String("password"),
ScanImage: c.String("scan_image"),
}
return plugin.Exec()
}

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package main
import (
"os"
"os/exec"
"github.com/Sirupsen/logrus"
)
type (
Plugin struct {
Url string
Username string
Password string
ScanImage string
}
)
func (p Plugin) Exec() error {
os.Setenv("CLAIR_ADDR", p.Url)
_, exist := os.LookupEnv("DOCKER_USERNAME")
if ! exist {
os.Setenv("DOCKER_USERNAME", p.Username)
}
_, exist = os.LookupEnv("DOCKER_PASSWORD")
if ! exist {
os.Setenv("DOCKER_PASSWORD", p.Password)
}
command := exec.Command(
"klar",
p.ScanImage,
)
command.Stdout = os.Stdout
command.Stderr = os.Stderr
err := command.Run()
if err != nil {
logrus.WithFields(logrus.Fields{
"error": err,
}).Fatal("Failed to execute a command")
}
return nil
}

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# 0.10.0
* feature: Add a test hook (#180)
* feature: `ParseLevel` is now case-insensitive (#326)
* feature: `FieldLogger` interface that generalizes `Logger` and `Entry` (#308)
* performance: avoid re-allocations on `WithFields` (#335)
# 0.9.0
* logrus/text_formatter: don't emit empty msg
* logrus/hooks/airbrake: move out of main repository
* logrus/hooks/sentry: move out of main repository
* logrus/hooks/papertrail: move out of main repository
* logrus/hooks/bugsnag: move out of main repository
* logrus/core: run tests with `-race`
* logrus/core: detect TTY based on `stderr`
* logrus/core: support `WithError` on logger
* logrus/core: Solaris support
# 0.8.7
* logrus/core: fix possible race (#216)
* logrus/doc: small typo fixes and doc improvements
# 0.8.6
* hooks/raven: allow passing an initialized client
# 0.8.5
* logrus/core: revert #208
# 0.8.4
* formatter/text: fix data race (#218)
# 0.8.3
* logrus/core: fix entry log level (#208)
* logrus/core: improve performance of text formatter by 40%
* logrus/core: expose `LevelHooks` type
* logrus/core: add support for DragonflyBSD and NetBSD
* formatter/text: print structs more verbosely
# 0.8.2
* logrus: fix more Fatal family functions
# 0.8.1
* logrus: fix not exiting on `Fatalf` and `Fatalln`
# 0.8.0
* logrus: defaults to stderr instead of stdout
* hooks/sentry: add special field for `*http.Request`
* formatter/text: ignore Windows for colors
# 0.7.3
* formatter/\*: allow configuration of timestamp layout
# 0.7.2
* formatter/text: Add configuration option for time format (#158)

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The MIT License (MIT)
Copyright (c) 2014 Simon Eskildsen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:"/>&nbsp;[![Build Status](https://travis-ci.org/Sirupsen/logrus.svg?branch=master)](https://travis-ci.org/Sirupsen/logrus)&nbsp;[![GoDoc](https://godoc.org/github.com/Sirupsen/logrus?status.svg)](https://godoc.org/github.com/Sirupsen/logrus)
**Seeing weird case-sensitive problems?** See [this
issue](https://github.com/sirupsen/logrus/issues/451#issuecomment-264332021).
This change has been reverted. I apologize for causing this. I greatly
underestimated the impact this would have. Logrus strives for stability and
backwards compatibility and failed to provide that.
Logrus is a structured logger for Go (golang), completely API compatible with
the standard library logger. [Godoc][godoc]. **Please note the Logrus API is not
yet stable (pre 1.0). Logrus itself is completely stable and has been used in
many large deployments. The core API is unlikely to change much but please
version control your Logrus to make sure you aren't fetching latest `master` on
every build.**
Nicely color-coded in development (when a TTY is attached, otherwise just
plain text):
![Colored](http://i.imgur.com/PY7qMwd.png)
With `log.SetFormatter(&log.JSONFormatter{})`, for easy parsing by logstash
or Splunk:
```json
{"animal":"walrus","level":"info","msg":"A group of walrus emerges from the
ocean","size":10,"time":"2014-03-10 19:57:38.562264131 -0400 EDT"}
{"level":"warning","msg":"The group's number increased tremendously!",
"number":122,"omg":true,"time":"2014-03-10 19:57:38.562471297 -0400 EDT"}
{"animal":"walrus","level":"info","msg":"A giant walrus appears!",
"size":10,"time":"2014-03-10 19:57:38.562500591 -0400 EDT"}
{"animal":"walrus","level":"info","msg":"Tremendously sized cow enters the ocean.",
"size":9,"time":"2014-03-10 19:57:38.562527896 -0400 EDT"}
{"level":"fatal","msg":"The ice breaks!","number":100,"omg":true,
"time":"2014-03-10 19:57:38.562543128 -0400 EDT"}
```
With the default `log.SetFormatter(&log.TextFormatter{})` when a TTY is not
attached, the output is compatible with the
[logfmt](http://godoc.org/github.com/kr/logfmt) format:
```text
time="2015-03-26T01:27:38-04:00" level=debug msg="Started observing beach" animal=walrus number=8
time="2015-03-26T01:27:38-04:00" level=info msg="A group of walrus emerges from the ocean" animal=walrus size=10
time="2015-03-26T01:27:38-04:00" level=warning msg="The group's number increased tremendously!" number=122 omg=true
time="2015-03-26T01:27:38-04:00" level=debug msg="Temperature changes" temperature=-4
time="2015-03-26T01:27:38-04:00" level=panic msg="It's over 9000!" animal=orca size=9009
time="2015-03-26T01:27:38-04:00" level=fatal msg="The ice breaks!" err=&{0x2082280c0 map[animal:orca size:9009] 2015-03-26 01:27:38.441574009 -0400 EDT panic It's over 9000!} number=100 omg=true
exit status 1
```
#### Example
The simplest way to use Logrus is simply the package-level exported logger:
```go
package main
import (
log "github.com/Sirupsen/logrus"
)
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
}).Info("A walrus appears")
}
```
Note that it's completely api-compatible with the stdlib logger, so you can
replace your `log` imports everywhere with `log "github.com/Sirupsen/logrus"`
and you'll now have the flexibility of Logrus. You can customize it all you
want:
```go
package main
import (
"os"
log "github.com/Sirupsen/logrus"
)
func init() {
// Log as JSON instead of the default ASCII formatter.
log.SetFormatter(&log.JSONFormatter{})
// Output to stderr instead of stdout, could also be a file.
log.SetOutput(os.Stderr)
// Only log the warning severity or above.
log.SetLevel(log.WarnLevel)
}
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
log.WithFields(log.Fields{
"omg": true,
"number": 122,
}).Warn("The group's number increased tremendously!")
log.WithFields(log.Fields{
"omg": true,
"number": 100,
}).Fatal("The ice breaks!")
// A common pattern is to re-use fields between logging statements by re-using
// the logrus.Entry returned from WithFields()
contextLogger := log.WithFields(log.Fields{
"common": "this is a common field",
"other": "I also should be logged always",
})
contextLogger.Info("I'll be logged with common and other field")
contextLogger.Info("Me too")
}
```
For more advanced usage such as logging to multiple locations from the same
application, you can also create an instance of the `logrus` Logger:
```go
package main
import (
"github.com/Sirupsen/logrus"
)
// Create a new instance of the logger. You can have any number of instances.
var log = logrus.New()
func main() {
// The API for setting attributes is a little different than the package level
// exported logger. See Godoc.
log.Out = os.Stderr
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Info("A group of walrus emerges from the ocean")
}
```
#### Fields
Logrus encourages careful, structured logging though logging fields instead of
long, unparseable error messages. For example, instead of: `log.Fatalf("Failed
to send event %s to topic %s with key %d")`, you should log the much more
discoverable:
```go
log.WithFields(log.Fields{
"event": event,
"topic": topic,
"key": key,
}).Fatal("Failed to send event")
```
We've found this API forces you to think about logging in a way that produces
much more useful logging messages. We've been in countless situations where just
a single added field to a log statement that was already there would've saved us
hours. The `WithFields` call is optional.
In general, with Logrus using any of the `printf`-family functions should be
seen as a hint you should add a field, however, you can still use the
`printf`-family functions with Logrus.
#### Hooks
You can add hooks for logging levels. For example to send errors to an exception
tracking service on `Error`, `Fatal` and `Panic`, info to StatsD or log to
multiple places simultaneously, e.g. syslog.
Logrus comes with [built-in hooks](hooks/). Add those, or your custom hook, in
`init`:
```go
import (
log "github.com/Sirupsen/logrus"
"gopkg.in/gemnasium/logrus-airbrake-hook.v2" // the package is named "aibrake"
logrus_syslog "github.com/Sirupsen/logrus/hooks/syslog"
"log/syslog"
)
func init() {
// Use the Airbrake hook to report errors that have Error severity or above to
// an exception tracker. You can create custom hooks, see the Hooks section.
log.AddHook(airbrake.NewHook(123, "xyz", "production"))
hook, err := logrus_syslog.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")
if err != nil {
log.Error("Unable to connect to local syslog daemon")
} else {
log.AddHook(hook)
}
}
```
Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/var/run/syslog" or "/var/run/log"). For the detail, please check the [syslog hook README](hooks/syslog/README.md).
| Hook | Description |
| ----- | ----------- |
| [Airbrake](https://github.com/gemnasium/logrus-airbrake-hook) | Send errors to the Airbrake API V3. Uses the official [`gobrake`](https://github.com/airbrake/gobrake) behind the scenes. |
| [Airbrake "legacy"](https://github.com/gemnasium/logrus-airbrake-legacy-hook) | Send errors to an exception tracking service compatible with the Airbrake API V2. Uses [`airbrake-go`](https://github.com/tobi/airbrake-go) behind the scenes. |
| [Papertrail](https://github.com/polds/logrus-papertrail-hook) | Send errors to the [Papertrail](https://papertrailapp.com) hosted logging service via UDP. |
| [Syslog](https://github.com/Sirupsen/logrus/blob/master/hooks/syslog/syslog.go) | Send errors to remote syslog server. Uses standard library `log/syslog` behind the scenes. |
| [Bugsnag](https://github.com/Shopify/logrus-bugsnag/blob/master/bugsnag.go) | Send errors to the Bugsnag exception tracking service. |
| [Sentry](https://github.com/evalphobia/logrus_sentry) | Send errors to the Sentry error logging and aggregation service. |
| [Hiprus](https://github.com/nubo/hiprus) | Send errors to a channel in hipchat. |
| [Logrusly](https://github.com/sebest/logrusly) | Send logs to [Loggly](https://www.loggly.com/) |
| [Slackrus](https://github.com/johntdyer/slackrus) | Hook for Slack chat. |
| [Journalhook](https://github.com/wercker/journalhook) | Hook for logging to `systemd-journald` |
| [Graylog](https://github.com/gemnasium/logrus-graylog-hook) | Hook for logging to [Graylog](http://graylog2.org/) |
| [Raygun](https://github.com/squirkle/logrus-raygun-hook) | Hook for logging to [Raygun.io](http://raygun.io/) |
| [LFShook](https://github.com/rifflock/lfshook) | Hook for logging to the local filesystem |
| [Honeybadger](https://github.com/agonzalezro/logrus_honeybadger) | Hook for sending exceptions to Honeybadger |
| [Mail](https://github.com/zbindenren/logrus_mail) | Hook for sending exceptions via mail |
| [Rollrus](https://github.com/heroku/rollrus) | Hook for sending errors to rollbar |
| [Fluentd](https://github.com/evalphobia/logrus_fluent) | Hook for logging to fluentd |
| [Mongodb](https://github.com/weekface/mgorus) | Hook for logging to mongodb |
| [Influxus] (http://github.com/vlad-doru/influxus) | Hook for concurrently logging to [InfluxDB] (http://influxdata.com/) |
| [InfluxDB](https://github.com/Abramovic/logrus_influxdb) | Hook for logging to influxdb |
| [Octokit](https://github.com/dorajistyle/logrus-octokit-hook) | Hook for logging to github via octokit |
| [DeferPanic](https://github.com/deferpanic/dp-logrus) | Hook for logging to DeferPanic |
| [Redis-Hook](https://github.com/rogierlommers/logrus-redis-hook) | Hook for logging to a ELK stack (through Redis) |
| [Amqp-Hook](https://github.com/vladoatanasov/logrus_amqp) | Hook for logging to Amqp broker (Like RabbitMQ) |
| [KafkaLogrus](https://github.com/goibibo/KafkaLogrus) | Hook for logging to kafka |
| [Typetalk](https://github.com/dragon3/logrus-typetalk-hook) | Hook for logging to [Typetalk](https://www.typetalk.in/) |
| [ElasticSearch](https://github.com/sohlich/elogrus) | Hook for logging to ElasticSearch|
| [Sumorus](https://github.com/doublefree/sumorus) | Hook for logging to [SumoLogic](https://www.sumologic.com/)|
| [Scribe](https://github.com/sagar8192/logrus-scribe-hook) | Hook for logging to [Scribe](https://github.com/facebookarchive/scribe)|
| [Logstash](https://github.com/bshuster-repo/logrus-logstash-hook) | Hook for logging to [Logstash](https://www.elastic.co/products/logstash) |
| [logz.io](https://github.com/ripcurld00d/logrus-logzio-hook) | Hook for logging to [logz.io](https://logz.io), a Log as a Service using Logstash |
| [Logmatic.io](https://github.com/logmatic/logmatic-go) | Hook for logging to [Logmatic.io](http://logmatic.io/) |
| [Pushover](https://github.com/toorop/logrus_pushover) | Send error via [Pushover](https://pushover.net) |
| [PostgreSQL](https://github.com/gemnasium/logrus-postgresql-hook) | Send logs to [PostgreSQL](http://postgresql.org) |
#### Level logging
Logrus has six logging levels: Debug, Info, Warning, Error, Fatal and Panic.
```go
log.Debug("Useful debugging information.")
log.Info("Something noteworthy happened!")
log.Warn("You should probably take a look at this.")
log.Error("Something failed but I'm not quitting.")
// Calls os.Exit(1) after logging
log.Fatal("Bye.")
// Calls panic() after logging
log.Panic("I'm bailing.")
```
You can set the logging level on a `Logger`, then it will only log entries with
that severity or anything above it:
```go
// Will log anything that is info or above (warn, error, fatal, panic). Default.
log.SetLevel(log.InfoLevel)
```
It may be useful to set `log.Level = logrus.DebugLevel` in a debug or verbose
environment if your application has that.
#### Entries
Besides the fields added with `WithField` or `WithFields` some fields are
automatically added to all logging events:
1. `time`. The timestamp when the entry was created.
2. `msg`. The logging message passed to `{Info,Warn,Error,Fatal,Panic}` after
the `AddFields` call. E.g. `Failed to send event.`
3. `level`. The logging level. E.g. `info`.
#### Environments
Logrus has no notion of environment.
If you wish for hooks and formatters to only be used in specific environments,
you should handle that yourself. For example, if your application has a global
variable `Environment`, which is a string representation of the environment you
could do:
```go
import (
log "github.com/Sirupsen/logrus"
)
init() {
// do something here to set environment depending on an environment variable
// or command-line flag
if Environment == "production" {
log.SetFormatter(&log.JSONFormatter{})
} else {
// The TextFormatter is default, you don't actually have to do this.
log.SetFormatter(&log.TextFormatter{})
}
}
```
This configuration is how `logrus` was intended to be used, but JSON in
production is mostly only useful if you do log aggregation with tools like
Splunk or Logstash.
#### Formatters
The built-in logging formatters are:
* `logrus.TextFormatter`. Logs the event in colors if stdout is a tty, otherwise
without colors.
* *Note:* to force colored output when there is no TTY, set the `ForceColors`
field to `true`. To force no colored output even if there is a TTY set the
`DisableColors` field to `true`
* `logrus.JSONFormatter`. Logs fields as JSON.
Third party logging formatters:
* [`logstash`](https://github.com/bshuster-repo/logrus-logstash-hook). Logs fields as [Logstash](http://logstash.net) Events.
* [`prefixed`](https://github.com/x-cray/logrus-prefixed-formatter). Displays log entry source along with alternative layout.
* [`zalgo`](https://github.com/aybabtme/logzalgo). Invoking the P͉̫o̳̼̊w̖͈̰͎e̬͔̭͂r͚̼̹̲ ̫͓͉̳͈ō̠͕͖̚f̝͍̠ ͕̲̞͖͑Z̖̫̤̫ͪa͉̬͈̗l͖͎g̳̥o̰̥̅!̣͔̲̻͊̄ ̙̘̦̹̦.
You can define your formatter by implementing the `Formatter` interface,
requiring a `Format` method. `Format` takes an `*Entry`. `entry.Data` is a
`Fields` type (`map[string]interface{}`) with all your fields as well as the
default ones (see Entries section above):
```go
type MyJSONFormatter struct {
}
log.SetFormatter(new(MyJSONFormatter))
func (f *MyJSONFormatter) Format(entry *Entry) ([]byte, error) {
// Note this doesn't include Time, Level and Message which are available on
// the Entry. Consult `godoc` on information about those fields or read the
// source of the official loggers.
serialized, err := json.Marshal(entry.Data)
if err != nil {
return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
}
return append(serialized, '\n'), nil
}
```
#### Logger as an `io.Writer`
Logrus can be transformed into an `io.Writer`. That writer is the end of an `io.Pipe` and it is your responsibility to close it.
```go
w := logger.Writer()
defer w.Close()
srv := http.Server{
// create a stdlib log.Logger that writes to
// logrus.Logger.
ErrorLog: log.New(w, "", 0),
}
```
Each line written to that writer will be printed the usual way, using formatters
and hooks. The level for those entries is `info`.
#### Rotation
Log rotation is not provided with Logrus. Log rotation should be done by an
external program (like `logrotate(8)`) that can compress and delete old log
entries. It should not be a feature of the application-level logger.
#### Tools
| Tool | Description |
| ---- | ----------- |
|[Logrus Mate](https://github.com/gogap/logrus_mate)|Logrus mate is a tool for Logrus to manage loggers, you can initial logger's level, hook and formatter by config file, the logger will generated with different config at different environment.|
|[Logrus Viper Helper](https://github.com/heirko/go-contrib/tree/master/logrusHelper)|An Helper arround Logrus to wrap with spf13/Viper to load configuration with fangs! And to simplify Logrus configuration use some behavior of [Logrus Mate](https://github.com/gogap/logrus_mate). [sample](https://github.com/heirko/iris-contrib/blob/master/middleware/logrus-logger/example) |
#### Testing
Logrus has a built in facility for asserting the presence of log messages. This is implemented through the `test` hook and provides:
* decorators for existing logger (`test.NewLocal` and `test.NewGlobal`) which basically just add the `test` hook
* a test logger (`test.NewNullLogger`) that just records log messages (and does not output any):
```go
logger, hook := NewNullLogger()
logger.Error("Hello error")
assert.Equal(1, len(hook.Entries))
assert.Equal(logrus.ErrorLevel, hook.LastEntry().Level)
assert.Equal("Hello error", hook.LastEntry().Message)
hook.Reset()
assert.Nil(hook.LastEntry())
```
#### Fatal handlers
Logrus can register one or more functions that will be called when any `fatal`
level message is logged. The registered handlers will be executed before
logrus performs a `os.Exit(1)`. This behavior may be helpful if callers need
to gracefully shutdown. Unlike a `panic("Something went wrong...")` call which can be intercepted with a deferred `recover` a call to `os.Exit(1)` can not be intercepted.
```
...
handler := func() {
// gracefully shutdown something...
}
logrus.RegisterExitHandler(handler)
...
```
#### Thread safety
By default Logger is protected by mutex for concurrent writes, this mutex is invoked when calling hooks and writing logs.
If you are sure such locking is not needed, you can call logger.SetNoLock() to disable the locking.
Situation when locking is not needed includes:
* You have no hooks registered, or hooks calling is already thread-safe.
* Writing to logger.Out is already thread-safe, for example:
1) logger.Out is protected by locks.
2) logger.Out is a os.File handler opened with `O_APPEND` flag, and every write is smaller than 4k. (This allow multi-thread/multi-process writing)
(Refer to http://www.notthewizard.com/2014/06/17/are-files-appends-really-atomic/)

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package logrus
// The following code was sourced and modified from the
// https://bitbucket.org/tebeka/atexit package governed by the following license:
//
// Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import (
"fmt"
"os"
)
var handlers = []func(){}
func runHandler(handler func()) {
defer func() {
if err := recover(); err != nil {
fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err)
}
}()
handler()
}
func runHandlers() {
for _, handler := range handlers {
runHandler(handler)
}
}
// Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code)
func Exit(code int) {
runHandlers()
os.Exit(code)
}
// RegisterExitHandler adds a Logrus Exit handler, call logrus.Exit to invoke
// all handlers. The handlers will also be invoked when any Fatal log entry is
// made.
//
// This method is useful when a caller wishes to use logrus to log a fatal
// message but also needs to gracefully shutdown. An example usecase could be
// closing database connections, or sending a alert that the application is
// closing.
func RegisterExitHandler(handler func()) {
handlers = append(handlers, handler)
}

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/*
Package logrus is a structured logger for Go, completely API compatible with the standard library logger.
The simplest way to use Logrus is simply the package-level exported logger:
package main
import (
log "github.com/Sirupsen/logrus"
)
func main() {
log.WithFields(log.Fields{
"animal": "walrus",
"number": 1,
"size": 10,
}).Info("A walrus appears")
}
Output:
time="2015-09-07T08:48:33Z" level=info msg="A walrus appears" animal=walrus number=1 size=10
For a full guide visit https://github.com/Sirupsen/logrus
*/
package logrus

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package logrus
import (
"bytes"
"fmt"
"os"
"sync"
"time"
)
var bufferPool *sync.Pool
func init() {
bufferPool = &sync.Pool{
New: func() interface{} {
return new(bytes.Buffer)
},
}
}
// Defines the key when adding errors using WithError.
var ErrorKey = "error"
// An entry is the final or intermediate Logrus logging entry. It contains all
// the fields passed with WithField{,s}. It's finally logged when Debug, Info,
// Warn, Error, Fatal or Panic is called on it. These objects can be reused and
// passed around as much as you wish to avoid field duplication.
type Entry struct {
Logger *Logger
// Contains all the fields set by the user.
Data Fields
// Time at which the log entry was created
Time time.Time
// Level the log entry was logged at: Debug, Info, Warn, Error, Fatal or Panic
Level Level
// Message passed to Debug, Info, Warn, Error, Fatal or Panic
Message string
// When formatter is called in entry.log(), an Buffer may be set to entry
Buffer *bytes.Buffer
}
func NewEntry(logger *Logger) *Entry {
return &Entry{
Logger: logger,
// Default is three fields, give a little extra room
Data: make(Fields, 5),
}
}
// Returns the string representation from the reader and ultimately the
// formatter.
func (entry *Entry) String() (string, error) {
serialized, err := entry.Logger.Formatter.Format(entry)
if err != nil {
return "", err
}
str := string(serialized)
return str, nil
}
// Add an error as single field (using the key defined in ErrorKey) to the Entry.
func (entry *Entry) WithError(err error) *Entry {
return entry.WithField(ErrorKey, err)
}
// Add a single field to the Entry.
func (entry *Entry) WithField(key string, value interface{}) *Entry {
return entry.WithFields(Fields{key: value})
}
// Add a map of fields to the Entry.
func (entry *Entry) WithFields(fields Fields) *Entry {
data := make(Fields, len(entry.Data)+len(fields))
for k, v := range entry.Data {
data[k] = v
}
for k, v := range fields {
data[k] = v
}
return &Entry{Logger: entry.Logger, Data: data}
}
// This function is not declared with a pointer value because otherwise
// race conditions will occur when using multiple goroutines
func (entry Entry) log(level Level, msg string) {
var buffer *bytes.Buffer
entry.Time = time.Now()
entry.Level = level
entry.Message = msg
if err := entry.Logger.Hooks.Fire(level, &entry); err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
entry.Logger.mu.Unlock()
}
buffer = bufferPool.Get().(*bytes.Buffer)
buffer.Reset()
defer bufferPool.Put(buffer)
entry.Buffer = buffer
serialized, err := entry.Logger.Formatter.Format(&entry)
entry.Buffer = nil
if err != nil {
entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err)
entry.Logger.mu.Unlock()
} else {
entry.Logger.mu.Lock()
_, err = entry.Logger.Out.Write(serialized)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
}
entry.Logger.mu.Unlock()
}
// To avoid Entry#log() returning a value that only would make sense for
// panic() to use in Entry#Panic(), we avoid the allocation by checking
// directly here.
if level <= PanicLevel {
panic(&entry)
}
}
func (entry *Entry) Debug(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.log(DebugLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Print(args ...interface{}) {
entry.Info(args...)
}
func (entry *Entry) Info(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.log(InfoLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Warn(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.log(WarnLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Warning(args ...interface{}) {
entry.Warn(args...)
}
func (entry *Entry) Error(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.log(ErrorLevel, fmt.Sprint(args...))
}
}
func (entry *Entry) Fatal(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.log(FatalLevel, fmt.Sprint(args...))
}
Exit(1)
}
func (entry *Entry) Panic(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.log(PanicLevel, fmt.Sprint(args...))
}
panic(fmt.Sprint(args...))
}
// Entry Printf family functions
func (entry *Entry) Debugf(format string, args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.Debug(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Infof(format string, args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.Info(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Printf(format string, args ...interface{}) {
entry.Infof(format, args...)
}
func (entry *Entry) Warnf(format string, args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.Warn(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Warningf(format string, args ...interface{}) {
entry.Warnf(format, args...)
}
func (entry *Entry) Errorf(format string, args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.Error(fmt.Sprintf(format, args...))
}
}
func (entry *Entry) Fatalf(format string, args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.Fatal(fmt.Sprintf(format, args...))
}
Exit(1)
}
func (entry *Entry) Panicf(format string, args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.Panic(fmt.Sprintf(format, args...))
}
}
// Entry Println family functions
func (entry *Entry) Debugln(args ...interface{}) {
if entry.Logger.Level >= DebugLevel {
entry.Debug(entry.sprintlnn(args...))
}
}
func (entry *Entry) Infoln(args ...interface{}) {
if entry.Logger.Level >= InfoLevel {
entry.Info(entry.sprintlnn(args...))
}
}
func (entry *Entry) Println(args ...interface{}) {
entry.Infoln(args...)
}
func (entry *Entry) Warnln(args ...interface{}) {
if entry.Logger.Level >= WarnLevel {
entry.Warn(entry.sprintlnn(args...))
}
}
func (entry *Entry) Warningln(args ...interface{}) {
entry.Warnln(args...)
}
func (entry *Entry) Errorln(args ...interface{}) {
if entry.Logger.Level >= ErrorLevel {
entry.Error(entry.sprintlnn(args...))
}
}
func (entry *Entry) Fatalln(args ...interface{}) {
if entry.Logger.Level >= FatalLevel {
entry.Fatal(entry.sprintlnn(args...))
}
Exit(1)
}
func (entry *Entry) Panicln(args ...interface{}) {
if entry.Logger.Level >= PanicLevel {
entry.Panic(entry.sprintlnn(args...))
}
}
// Sprintlnn => Sprint no newline. This is to get the behavior of how
// fmt.Sprintln where spaces are always added between operands, regardless of
// their type. Instead of vendoring the Sprintln implementation to spare a
// string allocation, we do the simplest thing.
func (entry *Entry) sprintlnn(args ...interface{}) string {
msg := fmt.Sprintln(args...)
return msg[:len(msg)-1]
}

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package logrus
import (
"io"
)
var (
// std is the name of the standard logger in stdlib `log`
std = New()
)
func StandardLogger() *Logger {
return std
}
// SetOutput sets the standard logger output.
func SetOutput(out io.Writer) {
std.mu.Lock()
defer std.mu.Unlock()
std.Out = out
}
// SetFormatter sets the standard logger formatter.
func SetFormatter(formatter Formatter) {
std.mu.Lock()
defer std.mu.Unlock()
std.Formatter = formatter
}
// SetLevel sets the standard logger level.
func SetLevel(level Level) {
std.mu.Lock()
defer std.mu.Unlock()
std.Level = level
}
// GetLevel returns the standard logger level.
func GetLevel() Level {
std.mu.Lock()
defer std.mu.Unlock()
return std.Level
}
// AddHook adds a hook to the standard logger hooks.
func AddHook(hook Hook) {
std.mu.Lock()
defer std.mu.Unlock()
std.Hooks.Add(hook)
}
// WithError creates an entry from the standard logger and adds an error to it, using the value defined in ErrorKey as key.
func WithError(err error) *Entry {
return std.WithField(ErrorKey, err)
}
// WithField creates an entry from the standard logger and adds a field to
// it. If you want multiple fields, use `WithFields`.
//
// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
// or Panic on the Entry it returns.
func WithField(key string, value interface{}) *Entry {
return std.WithField(key, value)
}
// WithFields creates an entry from the standard logger and adds multiple
// fields to it. This is simply a helper for `WithField`, invoking it
// once for each field.
//
// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
// or Panic on the Entry it returns.
func WithFields(fields Fields) *Entry {
return std.WithFields(fields)
}
// Debug logs a message at level Debug on the standard logger.
func Debug(args ...interface{}) {
std.Debug(args...)
}
// Print logs a message at level Info on the standard logger.
func Print(args ...interface{}) {
std.Print(args...)
}
// Info logs a message at level Info on the standard logger.
func Info(args ...interface{}) {
std.Info(args...)
}
// Warn logs a message at level Warn on the standard logger.
func Warn(args ...interface{}) {
std.Warn(args...)
}
// Warning logs a message at level Warn on the standard logger.
func Warning(args ...interface{}) {
std.Warning(args...)
}
// Error logs a message at level Error on the standard logger.
func Error(args ...interface{}) {
std.Error(args...)
}
// Panic logs a message at level Panic on the standard logger.
func Panic(args ...interface{}) {
std.Panic(args...)
}
// Fatal logs a message at level Fatal on the standard logger.
func Fatal(args ...interface{}) {
std.Fatal(args...)
}
// Debugf logs a message at level Debug on the standard logger.
func Debugf(format string, args ...interface{}) {
std.Debugf(format, args...)
}
// Printf logs a message at level Info on the standard logger.
func Printf(format string, args ...interface{}) {
std.Printf(format, args...)
}
// Infof logs a message at level Info on the standard logger.
func Infof(format string, args ...interface{}) {
std.Infof(format, args...)
}
// Warnf logs a message at level Warn on the standard logger.
func Warnf(format string, args ...interface{}) {
std.Warnf(format, args...)
}
// Warningf logs a message at level Warn on the standard logger.
func Warningf(format string, args ...interface{}) {
std.Warningf(format, args...)
}
// Errorf logs a message at level Error on the standard logger.
func Errorf(format string, args ...interface{}) {
std.Errorf(format, args...)
}
// Panicf logs a message at level Panic on the standard logger.
func Panicf(format string, args ...interface{}) {
std.Panicf(format, args...)
}
// Fatalf logs a message at level Fatal on the standard logger.
func Fatalf(format string, args ...interface{}) {
std.Fatalf(format, args...)
}
// Debugln logs a message at level Debug on the standard logger.
func Debugln(args ...interface{}) {
std.Debugln(args...)
}
// Println logs a message at level Info on the standard logger.
func Println(args ...interface{}) {
std.Println(args...)
}
// Infoln logs a message at level Info on the standard logger.
func Infoln(args ...interface{}) {
std.Infoln(args...)
}
// Warnln logs a message at level Warn on the standard logger.
func Warnln(args ...interface{}) {
std.Warnln(args...)
}
// Warningln logs a message at level Warn on the standard logger.
func Warningln(args ...interface{}) {
std.Warningln(args...)
}
// Errorln logs a message at level Error on the standard logger.
func Errorln(args ...interface{}) {
std.Errorln(args...)
}
// Panicln logs a message at level Panic on the standard logger.
func Panicln(args ...interface{}) {
std.Panicln(args...)
}
// Fatalln logs a message at level Fatal on the standard logger.
func Fatalln(args ...interface{}) {
std.Fatalln(args...)
}

45
vendor/github.com/Sirupsen/logrus/formatter.go generated vendored Normal file
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package logrus
import "time"
const DefaultTimestampFormat = time.RFC3339
// The Formatter interface is used to implement a custom Formatter. It takes an
// `Entry`. It exposes all the fields, including the default ones:
//
// * `entry.Data["msg"]`. The message passed from Info, Warn, Error ..
// * `entry.Data["time"]`. The timestamp.
// * `entry.Data["level"]. The level the entry was logged at.
//
// Any additional fields added with `WithField` or `WithFields` are also in
// `entry.Data`. Format is expected to return an array of bytes which are then
// logged to `logger.Out`.
type Formatter interface {
Format(*Entry) ([]byte, error)
}
// This is to not silently overwrite `time`, `msg` and `level` fields when
// dumping it. If this code wasn't there doing:
//
// logrus.WithField("level", 1).Info("hello")
//
// Would just silently drop the user provided level. Instead with this code
// it'll logged as:
//
// {"level": "info", "fields.level": 1, "msg": "hello", "time": "..."}
//
// It's not exported because it's still using Data in an opinionated way. It's to
// avoid code duplication between the two default formatters.
func prefixFieldClashes(data Fields) {
if t, ok := data["time"]; ok {
data["fields.time"] = t
}
if m, ok := data["msg"]; ok {
data["fields.msg"] = m
}
if l, ok := data["level"]; ok {
data["fields.level"] = l
}
}

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package logrus
// A hook to be fired when logging on the logging levels returned from
// `Levels()` on your implementation of the interface. Note that this is not
// fired in a goroutine or a channel with workers, you should handle such
// functionality yourself if your call is non-blocking and you don't wish for
// the logging calls for levels returned from `Levels()` to block.
type Hook interface {
Levels() []Level
Fire(*Entry) error
}
// Internal type for storing the hooks on a logger instance.
type LevelHooks map[Level][]Hook
// Add a hook to an instance of logger. This is called with
// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface.
func (hooks LevelHooks) Add(hook Hook) {
for _, level := range hook.Levels() {
hooks[level] = append(hooks[level], hook)
}
}
// Fire all the hooks for the passed level. Used by `entry.log` to fire
// appropriate hooks for a log entry.
func (hooks LevelHooks) Fire(level Level, entry *Entry) error {
for _, hook := range hooks[level] {
if err := hook.Fire(entry); err != nil {
return err
}
}
return nil
}

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vendor/github.com/Sirupsen/logrus/json_formatter.go generated vendored Normal file
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package logrus
import (
"encoding/json"
"fmt"
)
type fieldKey string
type FieldMap map[fieldKey]string
const (
FieldKeyMsg = "msg"
FieldKeyLevel = "level"
FieldKeyTime = "time"
)
func (f FieldMap) resolve(key fieldKey) string {
if k, ok := f[key]; ok {
return k
}
return string(key)
}
type JSONFormatter struct {
// TimestampFormat sets the format used for marshaling timestamps.
TimestampFormat string
// DisableTimestamp allows disabling automatic timestamps in output
DisableTimestamp bool
// FieldMap allows users to customize the names of keys for various fields.
// As an example:
// formatter := &JSONFormatter{
// FieldMap: FieldMap{
// FieldKeyTime: "@timestamp",
// FieldKeyLevel: "@level",
// FieldKeyLevel: "@message",
// },
// }
FieldMap FieldMap
}
func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
data := make(Fields, len(entry.Data)+3)
for k, v := range entry.Data {
switch v := v.(type) {
case error:
// Otherwise errors are ignored by `encoding/json`
// https://github.com/Sirupsen/logrus/issues/137
data[k] = v.Error()
default:
data[k] = v
}
}
prefixFieldClashes(data)
timestampFormat := f.TimestampFormat
if timestampFormat == "" {
timestampFormat = DefaultTimestampFormat
}
if !f.DisableTimestamp {
data[f.FieldMap.resolve(FieldKeyTime)] = entry.Time.Format(timestampFormat)
}
data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message
data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String()
serialized, err := json.Marshal(data)
if err != nil {
return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
}
return append(serialized, '\n'), nil
}

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vendor/github.com/Sirupsen/logrus/logger.go generated vendored Normal file
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package logrus
import (
"io"
"os"
"sync"
)
type Logger struct {
// The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
// file, or leave it default which is `os.Stderr`. You can also set this to
// something more adventorous, such as logging to Kafka.
Out io.Writer
// Hooks for the logger instance. These allow firing events based on logging
// levels and log entries. For example, to send errors to an error tracking
// service, log to StatsD or dump the core on fatal errors.
Hooks LevelHooks
// All log entries pass through the formatter before logged to Out. The
// included formatters are `TextFormatter` and `JSONFormatter` for which
// TextFormatter is the default. In development (when a TTY is attached) it
// logs with colors, but to a file it wouldn't. You can easily implement your
// own that implements the `Formatter` interface, see the `README` or included
// formatters for examples.
Formatter Formatter
// The logging level the logger should log at. This is typically (and defaults
// to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
// logged. `logrus.Debug` is useful in
Level Level
// Used to sync writing to the log. Locking is enabled by Default
mu MutexWrap
// Reusable empty entry
entryPool sync.Pool
}
type MutexWrap struct {
lock sync.Mutex
disabled bool
}
func (mw *MutexWrap) Lock() {
if !mw.disabled {
mw.lock.Lock()
}
}
func (mw *MutexWrap) Unlock() {
if !mw.disabled {
mw.lock.Unlock()
}
}
func (mw *MutexWrap) Disable() {
mw.disabled = true
}
// Creates a new logger. Configuration should be set by changing `Formatter`,
// `Out` and `Hooks` directly on the default logger instance. You can also just
// instantiate your own:
//
// var log = &Logger{
// Out: os.Stderr,
// Formatter: new(JSONFormatter),
// Hooks: make(LevelHooks),
// Level: logrus.DebugLevel,
// }
//
// It's recommended to make this a global instance called `log`.
func New() *Logger {
return &Logger{
Out: os.Stderr,
Formatter: new(TextFormatter),
Hooks: make(LevelHooks),
Level: InfoLevel,
}
}
func (logger *Logger) newEntry() *Entry {
entry, ok := logger.entryPool.Get().(*Entry)
if ok {
return entry
}
return NewEntry(logger)
}
func (logger *Logger) releaseEntry(entry *Entry) {
logger.entryPool.Put(entry)
}
// Adds a field to the log entry, note that it doesn't log until you call
// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
// If you want multiple fields, use `WithFields`.
func (logger *Logger) WithField(key string, value interface{}) *Entry {
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithField(key, value)
}
// Adds a struct of fields to the log entry. All it does is call `WithField` for
// each `Field`.
func (logger *Logger) WithFields(fields Fields) *Entry {
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithFields(fields)
}
// Add an error as single field to the log entry. All it does is call
// `WithError` for the given `error`.
func (logger *Logger) WithError(err error) *Entry {
entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithError(err)
}
func (logger *Logger) Debugf(format string, args ...interface{}) {
if logger.Level >= DebugLevel {
entry := logger.newEntry()
entry.Debugf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Infof(format string, args ...interface{}) {
if logger.Level >= InfoLevel {
entry := logger.newEntry()
entry.Infof(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Printf(format string, args ...interface{}) {
entry := logger.newEntry()
entry.Printf(format, args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warnf(format string, args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warningf(format string, args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Errorf(format string, args ...interface{}) {
if logger.Level >= ErrorLevel {
entry := logger.newEntry()
entry.Errorf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatalf(format string, args ...interface{}) {
if logger.Level >= FatalLevel {
entry := logger.newEntry()
entry.Fatalf(format, args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panicf(format string, args ...interface{}) {
if logger.Level >= PanicLevel {
entry := logger.newEntry()
entry.Panicf(format, args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Debug(args ...interface{}) {
if logger.Level >= DebugLevel {
entry := logger.newEntry()
entry.Debug(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Info(args ...interface{}) {
if logger.Level >= InfoLevel {
entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Print(args ...interface{}) {
entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warn(args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warning(args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Error(args ...interface{}) {
if logger.Level >= ErrorLevel {
entry := logger.newEntry()
entry.Error(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatal(args ...interface{}) {
if logger.Level >= FatalLevel {
entry := logger.newEntry()
entry.Fatal(args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panic(args ...interface{}) {
if logger.Level >= PanicLevel {
entry := logger.newEntry()
entry.Panic(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Debugln(args ...interface{}) {
if logger.Level >= DebugLevel {
entry := logger.newEntry()
entry.Debugln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Infoln(args ...interface{}) {
if logger.Level >= InfoLevel {
entry := logger.newEntry()
entry.Infoln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Println(args ...interface{}) {
entry := logger.newEntry()
entry.Println(args...)
logger.releaseEntry(entry)
}
func (logger *Logger) Warnln(args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Warningln(args ...interface{}) {
if logger.Level >= WarnLevel {
entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Errorln(args ...interface{}) {
if logger.Level >= ErrorLevel {
entry := logger.newEntry()
entry.Errorln(args...)
logger.releaseEntry(entry)
}
}
func (logger *Logger) Fatalln(args ...interface{}) {
if logger.Level >= FatalLevel {
entry := logger.newEntry()
entry.Fatalln(args...)
logger.releaseEntry(entry)
}
Exit(1)
}
func (logger *Logger) Panicln(args ...interface{}) {
if logger.Level >= PanicLevel {
entry := logger.newEntry()
entry.Panicln(args...)
logger.releaseEntry(entry)
}
}
//When file is opened with appending mode, it's safe to
//write concurrently to a file (within 4k message on Linux).
//In these cases user can choose to disable the lock.
func (logger *Logger) SetNoLock() {
logger.mu.Disable()
}

143
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package logrus
import (
"fmt"
"log"
"strings"
)
// Fields type, used to pass to `WithFields`.
type Fields map[string]interface{}
// Level type
type Level uint8
// Convert the Level to a string. E.g. PanicLevel becomes "panic".
func (level Level) String() string {
switch level {
case DebugLevel:
return "debug"
case InfoLevel:
return "info"
case WarnLevel:
return "warning"
case ErrorLevel:
return "error"
case FatalLevel:
return "fatal"
case PanicLevel:
return "panic"
}
return "unknown"
}
// ParseLevel takes a string level and returns the Logrus log level constant.
func ParseLevel(lvl string) (Level, error) {
switch strings.ToLower(lvl) {
case "panic":
return PanicLevel, nil
case "fatal":
return FatalLevel, nil
case "error":
return ErrorLevel, nil
case "warn", "warning":
return WarnLevel, nil
case "info":
return InfoLevel, nil
case "debug":
return DebugLevel, nil
}
var l Level
return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
}
// A constant exposing all logging levels
var AllLevels = []Level{
PanicLevel,
FatalLevel,
ErrorLevel,
WarnLevel,
InfoLevel,
DebugLevel,
}
// These are the different logging levels. You can set the logging level to log
// on your instance of logger, obtained with `logrus.New()`.
const (
// PanicLevel level, highest level of severity. Logs and then calls panic with the
// message passed to Debug, Info, ...
PanicLevel Level = iota
// FatalLevel level. Logs and then calls `os.Exit(1)`. It will exit even if the
// logging level is set to Panic.
FatalLevel
// ErrorLevel level. Logs. Used for errors that should definitely be noted.
// Commonly used for hooks to send errors to an error tracking service.
ErrorLevel
// WarnLevel level. Non-critical entries that deserve eyes.
WarnLevel
// InfoLevel level. General operational entries about what's going on inside the
// application.
InfoLevel
// DebugLevel level. Usually only enabled when debugging. Very verbose logging.
DebugLevel
)
// Won't compile if StdLogger can't be realized by a log.Logger
var (
_ StdLogger = &log.Logger{}
_ StdLogger = &Entry{}
_ StdLogger = &Logger{}
)
// StdLogger is what your logrus-enabled library should take, that way
// it'll accept a stdlib logger and a logrus logger. There's no standard
// interface, this is the closest we get, unfortunately.
type StdLogger interface {
Print(...interface{})
Printf(string, ...interface{})
Println(...interface{})
Fatal(...interface{})
Fatalf(string, ...interface{})
Fatalln(...interface{})
Panic(...interface{})
Panicf(string, ...interface{})
Panicln(...interface{})
}
// The FieldLogger interface generalizes the Entry and Logger types
type FieldLogger interface {
WithField(key string, value interface{}) *Entry
WithFields(fields Fields) *Entry
WithError(err error) *Entry
Debugf(format string, args ...interface{})
Infof(format string, args ...interface{})
Printf(format string, args ...interface{})
Warnf(format string, args ...interface{})
Warningf(format string, args ...interface{})
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
Panicf(format string, args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Print(args ...interface{})
Warn(args ...interface{})
Warning(args ...interface{})
Error(args ...interface{})
Fatal(args ...interface{})
Panic(args ...interface{})
Debugln(args ...interface{})
Infoln(args ...interface{})
Println(args ...interface{})
Warnln(args ...interface{})
Warningln(args ...interface{})
Errorln(args ...interface{})
Fatalln(args ...interface{})
Panicln(args ...interface{})
}

8
vendor/github.com/Sirupsen/logrus/terminal_appengine.go generated vendored Normal file
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// +build appengine
package logrus
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool {
return true
}

10
vendor/github.com/Sirupsen/logrus/terminal_bsd.go generated vendored Normal file
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// +build darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus
import "syscall"
const ioctlReadTermios = syscall.TIOCGETA
type Termios syscall.Termios

14
vendor/github.com/Sirupsen/logrus/terminal_linux.go generated vendored Normal file
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// Based on ssh/terminal:
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !appengine
package logrus
import "syscall"
const ioctlReadTermios = syscall.TCGETS
type Termios syscall.Termios

22
vendor/github.com/Sirupsen/logrus/terminal_notwindows.go generated vendored Normal file
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// Based on ssh/terminal:
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus
import (
"syscall"
"unsafe"
)
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stderr
var termios Termios
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return err == 0
}

15
vendor/github.com/Sirupsen/logrus/terminal_solaris.go generated vendored Normal file
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// +build solaris,!appengine
package logrus
import (
"os"
"golang.org/x/sys/unix"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool {
_, err := unix.IoctlGetTermios(int(os.Stdout.Fd()), unix.TCGETA)
return err == nil
}

27
vendor/github.com/Sirupsen/logrus/terminal_windows.go generated vendored Normal file
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// Based on ssh/terminal:
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows,!appengine
package logrus
import (
"syscall"
"unsafe"
)
var kernel32 = syscall.NewLazyDLL("kernel32.dll")
var (
procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
)
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stderr
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
}

168
vendor/github.com/Sirupsen/logrus/text_formatter.go generated vendored Normal file
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package logrus
import (
"bytes"
"fmt"
"runtime"
"sort"
"strings"
"time"
)
const (
nocolor = 0
red = 31
green = 32
yellow = 33
blue = 34
gray = 37
)
var (
baseTimestamp time.Time
isTerminal bool
)
func init() {
baseTimestamp = time.Now()
isTerminal = IsTerminal()
}
func miniTS() int {
return int(time.Since(baseTimestamp) / time.Second)
}
type TextFormatter struct {
// Set to true to bypass checking for a TTY before outputting colors.
ForceColors bool
// Force disabling colors.
DisableColors bool
// Disable timestamp logging. useful when output is redirected to logging
// system that already adds timestamps.
DisableTimestamp bool
// Enable logging the full timestamp when a TTY is attached instead of just
// the time passed since beginning of execution.
FullTimestamp bool
// TimestampFormat to use for display when a full timestamp is printed
TimestampFormat string
// The fields are sorted by default for a consistent output. For applications
// that log extremely frequently and don't use the JSON formatter this may not
// be desired.
DisableSorting bool
}
func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
var b *bytes.Buffer
var keys []string = make([]string, 0, len(entry.Data))
for k := range entry.Data {
keys = append(keys, k)
}
if !f.DisableSorting {
sort.Strings(keys)
}
if entry.Buffer != nil {
b = entry.Buffer
} else {
b = &bytes.Buffer{}
}
prefixFieldClashes(entry.Data)
isColorTerminal := isTerminal && (runtime.GOOS != "windows")
isColored := (f.ForceColors || isColorTerminal) && !f.DisableColors
timestampFormat := f.TimestampFormat
if timestampFormat == "" {
timestampFormat = DefaultTimestampFormat
}
if isColored {
f.printColored(b, entry, keys, timestampFormat)
} else {
if !f.DisableTimestamp {
f.appendKeyValue(b, "time", entry.Time.Format(timestampFormat))
}
f.appendKeyValue(b, "level", entry.Level.String())
if entry.Message != "" {
f.appendKeyValue(b, "msg", entry.Message)
}
for _, key := range keys {
f.appendKeyValue(b, key, entry.Data[key])
}
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []string, timestampFormat string) {
var levelColor int
switch entry.Level {
case DebugLevel:
levelColor = gray
case WarnLevel:
levelColor = yellow
case ErrorLevel, FatalLevel, PanicLevel:
levelColor = red
default:
levelColor = blue
}
levelText := strings.ToUpper(entry.Level.String())[0:4]
if !f.FullTimestamp {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message)
} else {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s] %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), entry.Message)
}
for _, k := range keys {
v := entry.Data[k]
fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=", levelColor, k)
f.appendValue(b, v)
}
}
func needsQuoting(text string) bool {
for _, ch := range text {
if !((ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') ||
ch == '-' || ch == '.') {
return true
}
}
return false
}
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) {
b.WriteString(key)
b.WriteByte('=')
f.appendValue(b, value)
b.WriteByte(' ')
}
func (f *TextFormatter) appendValue(b *bytes.Buffer, value interface{}) {
switch value := value.(type) {
case string:
if !needsQuoting(value) {
b.WriteString(value)
} else {
fmt.Fprintf(b, "%q", value)
}
case error:
errmsg := value.Error()
if !needsQuoting(errmsg) {
b.WriteString(errmsg)
} else {
fmt.Fprintf(b, "%q", errmsg)
}
default:
fmt.Fprint(b, value)
}
}

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vendor/github.com/Sirupsen/logrus/writer.go generated vendored Normal file
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package logrus
import (
"bufio"
"io"
"runtime"
)
func (logger *Logger) Writer() *io.PipeWriter {
return logger.WriterLevel(InfoLevel)
}
func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
reader, writer := io.Pipe()
var printFunc func(args ...interface{})
switch level {
case DebugLevel:
printFunc = logger.Debug
case InfoLevel:
printFunc = logger.Info
case WarnLevel:
printFunc = logger.Warn
case ErrorLevel:
printFunc = logger.Error
case FatalLevel:
printFunc = logger.Fatal
case PanicLevel:
printFunc = logger.Panic
default:
printFunc = logger.Print
}
go logger.writerScanner(reader, printFunc)
runtime.SetFinalizer(writer, writerFinalizer)
return writer
}
func (logger *Logger) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
printFunc(scanner.Text())
}
if err := scanner.Err(); err != nil {
logger.Errorf("Error while reading from Writer: %s", err)
}
reader.Close()
}
func writerFinalizer(writer *io.PipeWriter) {
writer.Close()
}

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vendor/github.com/urfave/cli/CHANGELOG.md generated vendored Normal file
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# Change Log
**ATTN**: This project uses [semantic versioning](http://semver.org/).
## [Unreleased]
## [1.19.1] - 2016-11-21
### Fixed
- Fixes regression introduced in 1.19.0 where using an `ActionFunc` as
the `Action` for a command would cause it to error rather than calling the
function. Should not have a affected declarative cases using `func(c
*cli.Context) err)`.
- Shell completion now handles the case where the user specifies
`--generate-bash-completion` immediately after a flag that takes an argument.
Previously it call the application with `--generate-bash-completion` as the
flag value.
## [1.19.0] - 2016-11-19
### Added
- `FlagsByName` was added to make it easy to sort flags (e.g. `sort.Sort(cli.FlagsByName(app.Flags))`)
- A `Description` field was added to `App` for a more detailed description of
the application (similar to the existing `Description` field on `Command`)
- Flag type code generation via `go generate`
- Write to stderr and exit 1 if action returns non-nil error
- Added support for TOML to the `altsrc` loader
- `SkipArgReorder` was added to allow users to skip the argument reordering.
This is useful if you want to consider all "flags" after an argument as
arguments rather than flags (the default behavior of the stdlib `flag`
library). This is backported functionality from the [removal of the flag
reordering](https://github.com/urfave/cli/pull/398) in the unreleased version
2
- For formatted errors (those implementing `ErrorFormatter`), the errors will
be formatted during output. Compatible with `pkg/errors`.
### Changed
- Raise minimum tested/supported Go version to 1.2+
### Fixed
- Consider empty environment variables as set (previously environment variables
with the equivalent of `""` would be skipped rather than their value used).
- Return an error if the value in a given environment variable cannot be parsed
as the flag type. Previously these errors were silently swallowed.
- Print full error when an invalid flag is specified (which includes the invalid flag)
- `App.Writer` defaults to `stdout` when `nil`
- If no action is specified on a command or app, the help is now printed instead of `panic`ing
- `App.Metadata` is initialized automatically now (previously was `nil` unless initialized)
- Correctly show help message if `-h` is provided to a subcommand
- `context.(Global)IsSet` now respects environment variables. Previously it
would return `false` if a flag was specified in the environment rather than
as an argument
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
- `altsrc`s import paths were updated to use `gopkg.in/urfave/cli.v1`. This
fixes issues that occurred when `gopkg.in/urfave/cli.v1` was imported as well
as `altsrc` where Go would complain that the types didn't match
## [1.18.1] - 2016-08-28
### Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user (backported)
## [1.18.0] - 2016-06-27
### Added
- `./runtests` test runner with coverage tracking by default
- testing on OS X
- testing on Windows
- `UintFlag`, `Uint64Flag`, and `Int64Flag` types and supporting code
### Changed
- Use spaces for alignment in help/usage output instead of tabs, making the
output alignment consistent regardless of tab width
### Fixed
- Printing of command aliases in help text
- Printing of visible flags for both struct and struct pointer flags
- Display the `help` subcommand when using `CommandCategories`
- No longer swallows `panic`s that occur within the `Action`s themselves when
detecting the signature of the `Action` field
## [1.17.1] - 2016-08-28
### Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
## [1.17.0] - 2016-05-09
### Added
- Pluggable flag-level help text rendering via `cli.DefaultFlagStringFunc`
- `context.GlobalBoolT` was added as an analogue to `context.GlobalBool`
- Support for hiding commands by setting `Hidden: true` -- this will hide the
commands in help output
### Changed
- `Float64Flag`, `IntFlag`, and `DurationFlag` default values are no longer
quoted in help text output.
- All flag types now include `(default: {value})` strings following usage when a
default value can be (reasonably) detected.
- `IntSliceFlag` and `StringSliceFlag` usage strings are now more consistent
with non-slice flag types
- Apps now exit with a code of 3 if an unknown subcommand is specified
(previously they printed "No help topic for...", but still exited 0. This
makes it easier to script around apps built using `cli` since they can trust
that a 0 exit code indicated a successful execution.
- cleanups based on [Go Report Card
feedback](https://goreportcard.com/report/github.com/urfave/cli)
## [1.16.1] - 2016-08-28
### Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
## [1.16.0] - 2016-05-02
### Added
- `Hidden` field on all flag struct types to omit from generated help text
### Changed
- `BashCompletionFlag` (`--enable-bash-completion`) is now omitted from
generated help text via the `Hidden` field
### Fixed
- handling of error values in `HandleAction` and `HandleExitCoder`
## [1.15.0] - 2016-04-30
### Added
- This file!
- Support for placeholders in flag usage strings
- `App.Metadata` map for arbitrary data/state management
- `Set` and `GlobalSet` methods on `*cli.Context` for altering values after
parsing.
- Support for nested lookup of dot-delimited keys in structures loaded from
YAML.
### Changed
- The `App.Action` and `Command.Action` now prefer a return signature of
`func(*cli.Context) error`, as defined by `cli.ActionFunc`. If a non-nil
`error` is returned, there may be two outcomes:
- If the error fulfills `cli.ExitCoder`, then `os.Exit` will be called
automatically
- Else the error is bubbled up and returned from `App.Run`
- Specifying an `Action` with the legacy return signature of
`func(*cli.Context)` will produce a deprecation message to stderr
- Specifying an `Action` that is not a `func` type will produce a non-zero exit
from `App.Run`
- Specifying an `Action` func that has an invalid (input) signature will
produce a non-zero exit from `App.Run`
### Deprecated
- <a name="deprecated-cli-app-runandexitonerror"></a>
`cli.App.RunAndExitOnError`, which should now be done by returning an error
that fulfills `cli.ExitCoder` to `cli.App.Run`.
- <a name="deprecated-cli-app-action-signature"></a> the legacy signature for
`cli.App.Action` of `func(*cli.Context)`, which should now have a return
signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`.
### Fixed
- Added missing `*cli.Context.GlobalFloat64` method
## [1.14.0] - 2016-04-03 (backfilled 2016-04-25)
### Added
- Codebeat badge
- Support for categorization via `CategorizedHelp` and `Categories` on app.
### Changed
- Use `filepath.Base` instead of `path.Base` in `Name` and `HelpName`.
### Fixed
- Ensure version is not shown in help text when `HideVersion` set.
## [1.13.0] - 2016-03-06 (backfilled 2016-04-25)
### Added
- YAML file input support.
- `NArg` method on context.
## [1.12.0] - 2016-02-17 (backfilled 2016-04-25)
### Added
- Custom usage error handling.
- Custom text support in `USAGE` section of help output.
- Improved help messages for empty strings.
- AppVeyor CI configuration.
### Changed
- Removed `panic` from default help printer func.
- De-duping and optimizations.
### Fixed
- Correctly handle `Before`/`After` at command level when no subcommands.
- Case of literal `-` argument causing flag reordering.
- Environment variable hints on Windows.
- Docs updates.
## [1.11.1] - 2015-12-21 (backfilled 2016-04-25)
### Changed
- Use `path.Base` in `Name` and `HelpName`
- Export `GetName` on flag types.
### Fixed
- Flag parsing when skipping is enabled.
- Test output cleanup.
- Move completion check to account for empty input case.
## [1.11.0] - 2015-11-15 (backfilled 2016-04-25)
### Added
- Destination scan support for flags.
- Testing against `tip` in Travis CI config.
### Changed
- Go version in Travis CI config.
### Fixed
- Removed redundant tests.
- Use correct example naming in tests.
## [1.10.2] - 2015-10-29 (backfilled 2016-04-25)
### Fixed
- Remove unused var in bash completion.
## [1.10.1] - 2015-10-21 (backfilled 2016-04-25)
### Added
- Coverage and reference logos in README.
### Fixed
- Use specified values in help and version parsing.
- Only display app version and help message once.
## [1.10.0] - 2015-10-06 (backfilled 2016-04-25)
### Added
- More tests for existing functionality.
- `ArgsUsage` at app and command level for help text flexibility.
### Fixed
- Honor `HideHelp` and `HideVersion` in `App.Run`.
- Remove juvenile word from README.
## [1.9.0] - 2015-09-08 (backfilled 2016-04-25)
### Added
- `FullName` on command with accompanying help output update.
- Set default `$PROG` in bash completion.
### Changed
- Docs formatting.
### Fixed
- Removed self-referential imports in tests.
## [1.8.0] - 2015-06-30 (backfilled 2016-04-25)
### Added
- Support for `Copyright` at app level.
- `Parent` func at context level to walk up context lineage.
### Fixed
- Global flag processing at top level.
## [1.7.1] - 2015-06-11 (backfilled 2016-04-25)
### Added
- Aggregate errors from `Before`/`After` funcs.
- Doc comments on flag structs.
- Include non-global flags when checking version and help.
- Travis CI config updates.
### Fixed
- Ensure slice type flags have non-nil values.
- Collect global flags from the full command hierarchy.
- Docs prose.
## [1.7.0] - 2015-05-03 (backfilled 2016-04-25)
### Changed
- `HelpPrinter` signature includes output writer.
### Fixed
- Specify go 1.1+ in docs.
- Set `Writer` when running command as app.
## [1.6.0] - 2015-03-23 (backfilled 2016-04-25)
### Added
- Multiple author support.
- `NumFlags` at context level.
- `Aliases` at command level.
### Deprecated
- `ShortName` at command level.
### Fixed
- Subcommand help output.
- Backward compatible support for deprecated `Author` and `Email` fields.
- Docs regarding `Names`/`Aliases`.
## [1.5.0] - 2015-02-20 (backfilled 2016-04-25)
### Added
- `After` hook func support at app and command level.
### Fixed
- Use parsed context when running command as subcommand.
- Docs prose.
## [1.4.1] - 2015-01-09 (backfilled 2016-04-25)
### Added
- Support for hiding `-h / --help` flags, but not `help` subcommand.
- Stop flag parsing after `--`.
### Fixed
- Help text for generic flags to specify single value.
- Use double quotes in output for defaults.
- Use `ParseInt` instead of `ParseUint` for int environment var values.
- Use `0` as base when parsing int environment var values.
## [1.4.0] - 2014-12-12 (backfilled 2016-04-25)
### Added
- Support for environment variable lookup "cascade".
- Support for `Stdout` on app for output redirection.
### Fixed
- Print command help instead of app help in `ShowCommandHelp`.
## [1.3.1] - 2014-11-13 (backfilled 2016-04-25)
### Added
- Docs and example code updates.
### Changed
- Default `-v / --version` flag made optional.
## [1.3.0] - 2014-08-10 (backfilled 2016-04-25)
### Added
- `FlagNames` at context level.
- Exposed `VersionPrinter` var for more control over version output.
- Zsh completion hook.
- `AUTHOR` section in default app help template.
- Contribution guidelines.
- `DurationFlag` type.
## [1.2.0] - 2014-08-02
### Added
- Support for environment variable defaults on flags plus tests.
## [1.1.0] - 2014-07-15
### Added
- Bash completion.
- Optional hiding of built-in help command.
- Optional skipping of flag parsing at command level.
- `Author`, `Email`, and `Compiled` metadata on app.
- `Before` hook func support at app and command level.
- `CommandNotFound` func support at app level.
- Command reference available on context.
- `GenericFlag` type.
- `Float64Flag` type.
- `BoolTFlag` type.
- `IsSet` flag helper on context.
- More flag lookup funcs at context level.
- More tests &amp; docs.
### Changed
- Help template updates to account for presence/absence of flags.
- Separated subcommand help template.
- Exposed `HelpPrinter` var for more control over help output.
## [1.0.0] - 2013-11-01
### Added
- `help` flag in default app flag set and each command flag set.
- Custom handling of argument parsing errors.
- Command lookup by name at app level.
- `StringSliceFlag` type and supporting `StringSlice` type.
- `IntSliceFlag` type and supporting `IntSlice` type.
- Slice type flag lookups by name at context level.
- Export of app and command help functions.
- More tests &amp; docs.
## 0.1.0 - 2013-07-22
### Added
- Initial implementation.
[Unreleased]: https://github.com/urfave/cli/compare/v1.18.0...HEAD
[1.18.0]: https://github.com/urfave/cli/compare/v1.17.0...v1.18.0
[1.17.0]: https://github.com/urfave/cli/compare/v1.16.0...v1.17.0
[1.16.0]: https://github.com/urfave/cli/compare/v1.15.0...v1.16.0
[1.15.0]: https://github.com/urfave/cli/compare/v1.14.0...v1.15.0
[1.14.0]: https://github.com/urfave/cli/compare/v1.13.0...v1.14.0
[1.13.0]: https://github.com/urfave/cli/compare/v1.12.0...v1.13.0
[1.12.0]: https://github.com/urfave/cli/compare/v1.11.1...v1.12.0
[1.11.1]: https://github.com/urfave/cli/compare/v1.11.0...v1.11.1
[1.11.0]: https://github.com/urfave/cli/compare/v1.10.2...v1.11.0
[1.10.2]: https://github.com/urfave/cli/compare/v1.10.1...v1.10.2
[1.10.1]: https://github.com/urfave/cli/compare/v1.10.0...v1.10.1
[1.10.0]: https://github.com/urfave/cli/compare/v1.9.0...v1.10.0
[1.9.0]: https://github.com/urfave/cli/compare/v1.8.0...v1.9.0
[1.8.0]: https://github.com/urfave/cli/compare/v1.7.1...v1.8.0
[1.7.1]: https://github.com/urfave/cli/compare/v1.7.0...v1.7.1
[1.7.0]: https://github.com/urfave/cli/compare/v1.6.0...v1.7.0
[1.6.0]: https://github.com/urfave/cli/compare/v1.5.0...v1.6.0
[1.5.0]: https://github.com/urfave/cli/compare/v1.4.1...v1.5.0
[1.4.1]: https://github.com/urfave/cli/compare/v1.4.0...v1.4.1
[1.4.0]: https://github.com/urfave/cli/compare/v1.3.1...v1.4.0
[1.3.1]: https://github.com/urfave/cli/compare/v1.3.0...v1.3.1
[1.3.0]: https://github.com/urfave/cli/compare/v1.2.0...v1.3.0
[1.2.0]: https://github.com/urfave/cli/compare/v1.1.0...v1.2.0
[1.1.0]: https://github.com/urfave/cli/compare/v1.0.0...v1.1.0
[1.0.0]: https://github.com/urfave/cli/compare/v0.1.0...v1.0.0

21
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MIT License
Copyright (c) 2016 Jeremy Saenz & Contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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package cli
import (
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"sort"
"time"
)
var (
changeLogURL = "https://github.com/urfave/cli/blob/master/CHANGELOG.md"
appActionDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-action-signature", changeLogURL)
runAndExitOnErrorDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-runandexitonerror", changeLogURL)
contactSysadmin = "This is an error in the application. Please contact the distributor of this application if this is not you."
errInvalidActionType = NewExitError("ERROR invalid Action type. "+
fmt.Sprintf("Must be `func(*Context`)` or `func(*Context) error). %s", contactSysadmin)+
fmt.Sprintf("See %s", appActionDeprecationURL), 2)
)
// App is the main structure of a cli application. It is recommended that
// an app be created with the cli.NewApp() function
type App struct {
// The name of the program. Defaults to path.Base(os.Args[0])
Name string
// Full name of command for help, defaults to Name
HelpName string
// Description of the program.
Usage string
// Text to override the USAGE section of help
UsageText string
// Description of the program argument format.
ArgsUsage string
// Version of the program
Version string
// Description of the program
Description string
// List of commands to execute
Commands []Command
// List of flags to parse
Flags []Flag
// Boolean to enable bash completion commands
EnableBashCompletion bool
// Boolean to hide built-in help command
HideHelp bool
// Boolean to hide built-in version flag and the VERSION section of help
HideVersion bool
// Populate on app startup, only gettable through method Categories()
categories CommandCategories
// An action to execute when the bash-completion flag is set
BashComplete BashCompleteFunc
// An action to execute before any subcommands are run, but after the context is ready
// If a non-nil error is returned, no subcommands are run
Before BeforeFunc
// An action to execute after any subcommands are run, but after the subcommand has finished
// It is run even if Action() panics
After AfterFunc
// The action to execute when no subcommands are specified
// Expects a `cli.ActionFunc` but will accept the *deprecated* signature of `func(*cli.Context) {}`
// *Note*: support for the deprecated `Action` signature will be removed in a future version
Action interface{}
// Execute this function if the proper command cannot be found
CommandNotFound CommandNotFoundFunc
// Execute this function if an usage error occurs
OnUsageError OnUsageErrorFunc
// Compilation date
Compiled time.Time
// List of all authors who contributed
Authors []Author
// Copyright of the binary if any
Copyright string
// Name of Author (Note: Use App.Authors, this is deprecated)
Author string
// Email of Author (Note: Use App.Authors, this is deprecated)
Email string
// Writer writer to write output to
Writer io.Writer
// ErrWriter writes error output
ErrWriter io.Writer
// Other custom info
Metadata map[string]interface{}
didSetup bool
}
// Tries to find out when this binary was compiled.
// Returns the current time if it fails to find it.
func compileTime() time.Time {
info, err := os.Stat(os.Args[0])
if err != nil {
return time.Now()
}
return info.ModTime()
}
// NewApp creates a new cli Application with some reasonable defaults for Name,
// Usage, Version and Action.
func NewApp() *App {
return &App{
Name: filepath.Base(os.Args[0]),
HelpName: filepath.Base(os.Args[0]),
Usage: "A new cli application",
UsageText: "",
Version: "0.0.0",
BashComplete: DefaultAppComplete,
Action: helpCommand.Action,
Compiled: compileTime(),
Writer: os.Stdout,
}
}
// Setup runs initialization code to ensure all data structures are ready for
// `Run` or inspection prior to `Run`. It is internally called by `Run`, but
// will return early if setup has already happened.
func (a *App) Setup() {
if a.didSetup {
return
}
a.didSetup = true
if a.Author != "" || a.Email != "" {
a.Authors = append(a.Authors, Author{Name: a.Author, Email: a.Email})
}
newCmds := []Command{}
for _, c := range a.Commands {
if c.HelpName == "" {
c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
}
newCmds = append(newCmds, c)
}
a.Commands = newCmds
if a.Command(helpCommand.Name) == nil && !a.HideHelp {
a.Commands = append(a.Commands, helpCommand)
if (HelpFlag != BoolFlag{}) {
a.appendFlag(HelpFlag)
}
}
if !a.HideVersion {
a.appendFlag(VersionFlag)
}
a.categories = CommandCategories{}
for _, command := range a.Commands {
a.categories = a.categories.AddCommand(command.Category, command)
}
sort.Sort(a.categories)
if a.Metadata == nil {
a.Metadata = make(map[string]interface{})
}
if a.Writer == nil {
a.Writer = os.Stdout
}
}
// Run is the entry point to the cli app. Parses the arguments slice and routes
// to the proper flag/args combination
func (a *App) Run(arguments []string) (err error) {
a.Setup()
// handle the completion flag separately from the flagset since
// completion could be attempted after a flag, but before its value was put
// on the command line. this causes the flagset to interpret the completion
// flag name as the value of the flag before it which is undesirable
// note that we can only do this because the shell autocomplete function
// always appends the completion flag at the end of the command
shellComplete, arguments := checkShellCompleteFlag(a, arguments)
// parse flags
set, err := flagSet(a.Name, a.Flags)
if err != nil {
return err
}
set.SetOutput(ioutil.Discard)
err = set.Parse(arguments[1:])
nerr := normalizeFlags(a.Flags, set)
context := NewContext(a, set, nil)
if nerr != nil {
fmt.Fprintln(a.Writer, nerr)
ShowAppHelp(context)
return nerr
}
context.shellComplete = shellComplete
if checkCompletions(context) {
return nil
}
if err != nil {
if a.OnUsageError != nil {
err := a.OnUsageError(context, err, false)
HandleExitCoder(err)
return err
}
fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
ShowAppHelp(context)
return err
}
if !a.HideHelp && checkHelp(context) {
ShowAppHelp(context)
return nil
}
if !a.HideVersion && checkVersion(context) {
ShowVersion(context)
return nil
}
if a.After != nil {
defer func() {
if afterErr := a.After(context); afterErr != nil {
if err != nil {
err = NewMultiError(err, afterErr)
} else {
err = afterErr
}
}
}()
}
if a.Before != nil {
beforeErr := a.Before(context)
if beforeErr != nil {
fmt.Fprintf(a.Writer, "%v\n\n", beforeErr)
ShowAppHelp(context)
HandleExitCoder(beforeErr)
err = beforeErr
return err
}
}
args := context.Args()
if args.Present() {
name := args.First()
c := a.Command(name)
if c != nil {
return c.Run(context)
}
}
if a.Action == nil {
a.Action = helpCommand.Action
}
// Run default Action
err = HandleAction(a.Action, context)
HandleExitCoder(err)
return err
}
// RunAndExitOnError calls .Run() and exits non-zero if an error was returned
//
// Deprecated: instead you should return an error that fulfills cli.ExitCoder
// to cli.App.Run. This will cause the application to exit with the given eror
// code in the cli.ExitCoder
func (a *App) RunAndExitOnError() {
if err := a.Run(os.Args); err != nil {
fmt.Fprintln(a.errWriter(), err)
OsExiter(1)
}
}
// RunAsSubcommand invokes the subcommand given the context, parses ctx.Args() to
// generate command-specific flags
func (a *App) RunAsSubcommand(ctx *Context) (err error) {
// append help to commands
if len(a.Commands) > 0 {
if a.Command(helpCommand.Name) == nil && !a.HideHelp {
a.Commands = append(a.Commands, helpCommand)
if (HelpFlag != BoolFlag{}) {
a.appendFlag(HelpFlag)
}
}
}
newCmds := []Command{}
for _, c := range a.Commands {
if c.HelpName == "" {
c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
}
newCmds = append(newCmds, c)
}
a.Commands = newCmds
// parse flags
set, err := flagSet(a.Name, a.Flags)
if err != nil {
return err
}
set.SetOutput(ioutil.Discard)
err = set.Parse(ctx.Args().Tail())
nerr := normalizeFlags(a.Flags, set)
context := NewContext(a, set, ctx)
if nerr != nil {
fmt.Fprintln(a.Writer, nerr)
fmt.Fprintln(a.Writer)
if len(a.Commands) > 0 {
ShowSubcommandHelp(context)
} else {
ShowCommandHelp(ctx, context.Args().First())
}
return nerr
}
if checkCompletions(context) {
return nil
}
if err != nil {
if a.OnUsageError != nil {
err = a.OnUsageError(context, err, true)
HandleExitCoder(err)
return err
}
fmt.Fprintf(a.Writer, "%s %s\n\n", "Incorrect Usage.", err.Error())
ShowSubcommandHelp(context)
return err
}
if len(a.Commands) > 0 {
if checkSubcommandHelp(context) {
return nil
}
} else {
if checkCommandHelp(ctx, context.Args().First()) {
return nil
}
}
if a.After != nil {
defer func() {
afterErr := a.After(context)
if afterErr != nil {
HandleExitCoder(err)
if err != nil {
err = NewMultiError(err, afterErr)
} else {
err = afterErr
}
}
}()
}
if a.Before != nil {
beforeErr := a.Before(context)
if beforeErr != nil {
HandleExitCoder(beforeErr)
err = beforeErr
return err
}
}
args := context.Args()
if args.Present() {
name := args.First()
c := a.Command(name)
if c != nil {
return c.Run(context)
}
}
// Run default Action
err = HandleAction(a.Action, context)
HandleExitCoder(err)
return err
}
// Command returns the named command on App. Returns nil if the command does not exist
func (a *App) Command(name string) *Command {
for _, c := range a.Commands {
if c.HasName(name) {
return &c
}
}
return nil
}
// Categories returns a slice containing all the categories with the commands they contain
func (a *App) Categories() CommandCategories {
return a.categories
}
// VisibleCategories returns a slice of categories and commands that are
// Hidden=false
func (a *App) VisibleCategories() []*CommandCategory {
ret := []*CommandCategory{}
for _, category := range a.categories {
if visible := func() *CommandCategory {
for _, command := range category.Commands {
if !command.Hidden {
return category
}
}
return nil
}(); visible != nil {
ret = append(ret, visible)
}
}
return ret
}
// VisibleCommands returns a slice of the Commands with Hidden=false
func (a *App) VisibleCommands() []Command {
ret := []Command{}
for _, command := range a.Commands {
if !command.Hidden {
ret = append(ret, command)
}
}
return ret
}
// VisibleFlags returns a slice of the Flags with Hidden=false
func (a *App) VisibleFlags() []Flag {
return visibleFlags(a.Flags)
}
func (a *App) hasFlag(flag Flag) bool {
for _, f := range a.Flags {
if flag == f {
return true
}
}
return false
}
func (a *App) errWriter() io.Writer {
// When the app ErrWriter is nil use the package level one.
if a.ErrWriter == nil {
return ErrWriter
}
return a.ErrWriter
}
func (a *App) appendFlag(flag Flag) {
if !a.hasFlag(flag) {
a.Flags = append(a.Flags, flag)
}
}
// Author represents someone who has contributed to a cli project.
type Author struct {
Name string // The Authors name
Email string // The Authors email
}
// String makes Author comply to the Stringer interface, to allow an easy print in the templating process
func (a Author) String() string {
e := ""
if a.Email != "" {
e = " <" + a.Email + ">"
}
return fmt.Sprintf("%v%v", a.Name, e)
}
// HandleAction attempts to figure out which Action signature was used. If
// it's an ActionFunc or a func with the legacy signature for Action, the func
// is run!
func HandleAction(action interface{}, context *Context) (err error) {
if a, ok := action.(ActionFunc); ok {
return a(context)
} else if a, ok := action.(func(*Context) error); ok {
return a(context)
} else if a, ok := action.(func(*Context)); ok { // deprecated function signature
a(context)
return nil
} else {
return errInvalidActionType
}
}

24
vendor/github.com/urfave/cli/appveyor.yml generated vendored Normal file
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@ -0,0 +1,24 @@
version: "{build}"
os: Windows Server 2012 R2
clone_folder: c:\gopath\src\github.com\urfave\cli
environment:
GOPATH: C:\gopath
GOVERSION: 1.6
PYTHON: C:\Python27-x64
PYTHON_VERSION: 2.7.x
PYTHON_ARCH: 64
install:
- set PATH=%GOPATH%\bin;C:\go\bin;%PATH%
- go version
- go env
- go get github.com/urfave/gfmrun/...
- go get -v -t ./...
build_script:
- python runtests vet
- python runtests test
- python runtests gfmrun

44
vendor/github.com/urfave/cli/category.go generated vendored Normal file
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package cli
// CommandCategories is a slice of *CommandCategory.
type CommandCategories []*CommandCategory
// CommandCategory is a category containing commands.
type CommandCategory struct {
Name string
Commands Commands
}
func (c CommandCategories) Less(i, j int) bool {
return c[i].Name < c[j].Name
}
func (c CommandCategories) Len() int {
return len(c)
}
func (c CommandCategories) Swap(i, j int) {
c[i], c[j] = c[j], c[i]
}
// AddCommand adds a command to a category.
func (c CommandCategories) AddCommand(category string, command Command) CommandCategories {
for _, commandCategory := range c {
if commandCategory.Name == category {
commandCategory.Commands = append(commandCategory.Commands, command)
return c
}
}
return append(c, &CommandCategory{Name: category, Commands: []Command{command}})
}
// VisibleCommands returns a slice of the Commands with Hidden=false
func (c *CommandCategory) VisibleCommands() []Command {
ret := []Command{}
for _, command := range c.Commands {
if !command.Hidden {
ret = append(ret, command)
}
}
return ret
}

21
vendor/github.com/urfave/cli/cli.go generated vendored Normal file
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// Package cli provides a minimal framework for creating and organizing command line
// Go applications. cli is designed to be easy to understand and write, the most simple
// cli application can be written as follows:
// func main() {
// cli.NewApp().Run(os.Args)
// }
//
// Of course this application does not do much, so let's make this an actual application:
// func main() {
// app := cli.NewApp()
// app.Name = "greet"
// app.Usage = "say a greeting"
// app.Action = func(c *cli.Context) error {
// println("Greetings")
// }
//
// app.Run(os.Args)
// }
package cli
//go:generate python ./generate-flag-types cli -i flag-types.json -o flag_generated.go

286
vendor/github.com/urfave/cli/command.go generated vendored Normal file
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package cli
import (
"fmt"
"io/ioutil"
"sort"
"strings"
)
// Command is a subcommand for a cli.App.
type Command struct {
// The name of the command
Name string
// short name of the command. Typically one character (deprecated, use `Aliases`)
ShortName string
// A list of aliases for the command
Aliases []string
// A short description of the usage of this command
Usage string
// Custom text to show on USAGE section of help
UsageText string
// A longer explanation of how the command works
Description string
// A short description of the arguments of this command
ArgsUsage string
// The category the command is part of
Category string
// The function to call when checking for bash command completions
BashComplete BashCompleteFunc
// An action to execute before any sub-subcommands are run, but after the context is ready
// If a non-nil error is returned, no sub-subcommands are run
Before BeforeFunc
// An action to execute after any subcommands are run, but after the subcommand has finished
// It is run even if Action() panics
After AfterFunc
// The function to call when this command is invoked
Action interface{}
// TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind
// of deprecation period has passed, maybe?
// Execute this function if a usage error occurs.
OnUsageError OnUsageErrorFunc
// List of child commands
Subcommands Commands
// List of flags to parse
Flags []Flag
// Treat all flags as normal arguments if true
SkipFlagParsing bool
// Skip argument reordering which attempts to move flags before arguments,
// but only works if all flags appear after all arguments. This behavior was
// removed n version 2 since it only works under specific conditions so we
// backport here by exposing it as an option for compatibility.
SkipArgReorder bool
// Boolean to hide built-in help command
HideHelp bool
// Boolean to hide this command from help or completion
Hidden bool
// Full name of command for help, defaults to full command name, including parent commands.
HelpName string
commandNamePath []string
}
// FullName returns the full name of the command.
// For subcommands this ensures that parent commands are part of the command path
func (c Command) FullName() string {
if c.commandNamePath == nil {
return c.Name
}
return strings.Join(c.commandNamePath, " ")
}
// Commands is a slice of Command
type Commands []Command
// Run invokes the command given the context, parses ctx.Args() to generate command-specific flags
func (c Command) Run(ctx *Context) (err error) {
if len(c.Subcommands) > 0 {
return c.startApp(ctx)
}
if !c.HideHelp && (HelpFlag != BoolFlag{}) {
// append help to flags
c.Flags = append(
c.Flags,
HelpFlag,
)
}
set, err := flagSet(c.Name, c.Flags)
if err != nil {
return err
}
set.SetOutput(ioutil.Discard)
if c.SkipFlagParsing {
err = set.Parse(append([]string{"--"}, ctx.Args().Tail()...))
} else if !c.SkipArgReorder {
firstFlagIndex := -1
terminatorIndex := -1
for index, arg := range ctx.Args() {
if arg == "--" {
terminatorIndex = index
break
} else if arg == "-" {
// Do nothing. A dash alone is not really a flag.
continue
} else if strings.HasPrefix(arg, "-") && firstFlagIndex == -1 {
firstFlagIndex = index
}
}
if firstFlagIndex > -1 {
args := ctx.Args()
regularArgs := make([]string, len(args[1:firstFlagIndex]))
copy(regularArgs, args[1:firstFlagIndex])
var flagArgs []string
if terminatorIndex > -1 {
flagArgs = args[firstFlagIndex:terminatorIndex]
regularArgs = append(regularArgs, args[terminatorIndex:]...)
} else {
flagArgs = args[firstFlagIndex:]
}
err = set.Parse(append(flagArgs, regularArgs...))
} else {
err = set.Parse(ctx.Args().Tail())
}
} else {
err = set.Parse(ctx.Args().Tail())
}
nerr := normalizeFlags(c.Flags, set)
if nerr != nil {
fmt.Fprintln(ctx.App.Writer, nerr)
fmt.Fprintln(ctx.App.Writer)
ShowCommandHelp(ctx, c.Name)
return nerr
}
context := NewContext(ctx.App, set, ctx)
if checkCommandCompletions(context, c.Name) {
return nil
}
if err != nil {
if c.OnUsageError != nil {
err := c.OnUsageError(ctx, err, false)
HandleExitCoder(err)
return err
}
fmt.Fprintln(ctx.App.Writer, "Incorrect Usage:", err.Error())
fmt.Fprintln(ctx.App.Writer)
ShowCommandHelp(ctx, c.Name)
return err
}
if checkCommandHelp(context, c.Name) {
return nil
}
if c.After != nil {
defer func() {
afterErr := c.After(context)
if afterErr != nil {
HandleExitCoder(err)
if err != nil {
err = NewMultiError(err, afterErr)
} else {
err = afterErr
}
}
}()
}
if c.Before != nil {
err = c.Before(context)
if err != nil {
fmt.Fprintln(ctx.App.Writer, err)
fmt.Fprintln(ctx.App.Writer)
ShowCommandHelp(ctx, c.Name)
HandleExitCoder(err)
return err
}
}
if c.Action == nil {
c.Action = helpSubcommand.Action
}
context.Command = c
err = HandleAction(c.Action, context)
if err != nil {
HandleExitCoder(err)
}
return err
}
// Names returns the names including short names and aliases.
func (c Command) Names() []string {
names := []string{c.Name}
if c.ShortName != "" {
names = append(names, c.ShortName)
}
return append(names, c.Aliases...)
}
// HasName returns true if Command.Name or Command.ShortName matches given name
func (c Command) HasName(name string) bool {
for _, n := range c.Names() {
if n == name {
return true
}
}
return false
}
func (c Command) startApp(ctx *Context) error {
app := NewApp()
app.Metadata = ctx.App.Metadata
// set the name and usage
app.Name = fmt.Sprintf("%s %s", ctx.App.Name, c.Name)
if c.HelpName == "" {
app.HelpName = c.HelpName
} else {
app.HelpName = app.Name
}
if c.Description != "" {
app.Usage = c.Description
} else {
app.Usage = c.Usage
}
// set CommandNotFound
app.CommandNotFound = ctx.App.CommandNotFound
// set the flags and commands
app.Commands = c.Subcommands
app.Flags = c.Flags
app.HideHelp = c.HideHelp
app.Version = ctx.App.Version
app.HideVersion = ctx.App.HideVersion
app.Compiled = ctx.App.Compiled
app.Author = ctx.App.Author
app.Email = ctx.App.Email
app.Writer = ctx.App.Writer
app.categories = CommandCategories{}
for _, command := range c.Subcommands {
app.categories = app.categories.AddCommand(command.Category, command)
}
sort.Sort(app.categories)
// bash completion
app.EnableBashCompletion = ctx.App.EnableBashCompletion
if c.BashComplete != nil {
app.BashComplete = c.BashComplete
}
// set the actions
app.Before = c.Before
app.After = c.After
if c.Action != nil {
app.Action = c.Action
} else {
app.Action = helpSubcommand.Action
}
for index, cc := range app.Commands {
app.Commands[index].commandNamePath = []string{c.Name, cc.Name}
}
return app.RunAsSubcommand(ctx)
}
// VisibleFlags returns a slice of the Flags with Hidden=false
func (c Command) VisibleFlags() []Flag {
return visibleFlags(c.Flags)
}

276
vendor/github.com/urfave/cli/context.go generated vendored Normal file
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package cli
import (
"errors"
"flag"
"reflect"
"strings"
"syscall"
)
// Context is a type that is passed through to
// each Handler action in a cli application. Context
// can be used to retrieve context-specific Args and
// parsed command-line options.
type Context struct {
App *App
Command Command
shellComplete bool
flagSet *flag.FlagSet
setFlags map[string]bool
parentContext *Context
}
// NewContext creates a new context. For use in when invoking an App or Command action.
func NewContext(app *App, set *flag.FlagSet, parentCtx *Context) *Context {
c := &Context{App: app, flagSet: set, parentContext: parentCtx}
if parentCtx != nil {
c.shellComplete = parentCtx.shellComplete
}
return c
}
// NumFlags returns the number of flags set
func (c *Context) NumFlags() int {
return c.flagSet.NFlag()
}
// Set sets a context flag to a value.
func (c *Context) Set(name, value string) error {
return c.flagSet.Set(name, value)
}
// GlobalSet sets a context flag to a value on the global flagset
func (c *Context) GlobalSet(name, value string) error {
return globalContext(c).flagSet.Set(name, value)
}
// IsSet determines if the flag was actually set
func (c *Context) IsSet(name string) bool {
if c.setFlags == nil {
c.setFlags = make(map[string]bool)
c.flagSet.Visit(func(f *flag.Flag) {
c.setFlags[f.Name] = true
})
c.flagSet.VisitAll(func(f *flag.Flag) {
if _, ok := c.setFlags[f.Name]; ok {
return
}
c.setFlags[f.Name] = false
})
// XXX hack to support IsSet for flags with EnvVar
//
// There isn't an easy way to do this with the current implementation since
// whether a flag was set via an environment variable is very difficult to
// determine here. Instead, we intend to introduce a backwards incompatible
// change in version 2 to add `IsSet` to the Flag interface to push the
// responsibility closer to where the information required to determine
// whether a flag is set by non-standard means such as environment
// variables is avaliable.
//
// See https://github.com/urfave/cli/issues/294 for additional discussion
flags := c.Command.Flags
if c.Command.Name == "" { // cannot == Command{} since it contains slice types
if c.App != nil {
flags = c.App.Flags
}
}
for _, f := range flags {
eachName(f.GetName(), func(name string) {
if isSet, ok := c.setFlags[name]; isSet || !ok {
return
}
val := reflect.ValueOf(f)
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
envVarValue := val.FieldByName("EnvVar")
if !envVarValue.IsValid() {
return
}
eachName(envVarValue.String(), func(envVar string) {
envVar = strings.TrimSpace(envVar)
if _, ok := syscall.Getenv(envVar); ok {
c.setFlags[name] = true
return
}
})
})
}
}
return c.setFlags[name]
}
// GlobalIsSet determines if the global flag was actually set
func (c *Context) GlobalIsSet(name string) bool {
ctx := c
if ctx.parentContext != nil {
ctx = ctx.parentContext
}
for ; ctx != nil; ctx = ctx.parentContext {
if ctx.IsSet(name) {
return true
}
}
return false
}
// FlagNames returns a slice of flag names used in this context.
func (c *Context) FlagNames() (names []string) {
for _, flag := range c.Command.Flags {
name := strings.Split(flag.GetName(), ",")[0]
if name == "help" {
continue
}
names = append(names, name)
}
return
}
// GlobalFlagNames returns a slice of global flag names used by the app.
func (c *Context) GlobalFlagNames() (names []string) {
for _, flag := range c.App.Flags {
name := strings.Split(flag.GetName(), ",")[0]
if name == "help" || name == "version" {
continue
}
names = append(names, name)
}
return
}
// Parent returns the parent context, if any
func (c *Context) Parent() *Context {
return c.parentContext
}
// value returns the value of the flag coressponding to `name`
func (c *Context) value(name string) interface{} {
return c.flagSet.Lookup(name).Value.(flag.Getter).Get()
}
// Args contains apps console arguments
type Args []string
// Args returns the command line arguments associated with the context.
func (c *Context) Args() Args {
args := Args(c.flagSet.Args())
return args
}
// NArg returns the number of the command line arguments.
func (c *Context) NArg() int {
return len(c.Args())
}
// Get returns the nth argument, or else a blank string
func (a Args) Get(n int) string {
if len(a) > n {
return a[n]
}
return ""
}
// First returns the first argument, or else a blank string
func (a Args) First() string {
return a.Get(0)
}
// Tail returns the rest of the arguments (not the first one)
// or else an empty string slice
func (a Args) Tail() []string {
if len(a) >= 2 {
return []string(a)[1:]
}
return []string{}
}
// Present checks if there are any arguments present
func (a Args) Present() bool {
return len(a) != 0
}
// Swap swaps arguments at the given indexes
func (a Args) Swap(from, to int) error {
if from >= len(a) || to >= len(a) {
return errors.New("index out of range")
}
a[from], a[to] = a[to], a[from]
return nil
}
func globalContext(ctx *Context) *Context {
if ctx == nil {
return nil
}
for {
if ctx.parentContext == nil {
return ctx
}
ctx = ctx.parentContext
}
}
func lookupGlobalFlagSet(name string, ctx *Context) *flag.FlagSet {
if ctx.parentContext != nil {
ctx = ctx.parentContext
}
for ; ctx != nil; ctx = ctx.parentContext {
if f := ctx.flagSet.Lookup(name); f != nil {
return ctx.flagSet
}
}
return nil
}
func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
switch ff.Value.(type) {
case *StringSlice:
default:
set.Set(name, ff.Value.String())
}
}
func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
visited := make(map[string]bool)
set.Visit(func(f *flag.Flag) {
visited[f.Name] = true
})
for _, f := range flags {
parts := strings.Split(f.GetName(), ",")
if len(parts) == 1 {
continue
}
var ff *flag.Flag
for _, name := range parts {
name = strings.Trim(name, " ")
if visited[name] {
if ff != nil {
return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
}
ff = set.Lookup(name)
}
}
if ff == nil {
continue
}
for _, name := range parts {
name = strings.Trim(name, " ")
if !visited[name] {
copyFlag(name, ff, set)
}
}
}
return nil
}

110
vendor/github.com/urfave/cli/errors.go generated vendored Normal file
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package cli
import (
"fmt"
"io"
"os"
"strings"
)
// OsExiter is the function used when the app exits. If not set defaults to os.Exit.
var OsExiter = os.Exit
// ErrWriter is used to write errors to the user. This can be anything
// implementing the io.Writer interface and defaults to os.Stderr.
var ErrWriter io.Writer = os.Stderr
// MultiError is an error that wraps multiple errors.
type MultiError struct {
Errors []error
}
// NewMultiError creates a new MultiError. Pass in one or more errors.
func NewMultiError(err ...error) MultiError {
return MultiError{Errors: err}
}
// Error implements the error interface.
func (m MultiError) Error() string {
errs := make([]string, len(m.Errors))
for i, err := range m.Errors {
errs[i] = err.Error()
}
return strings.Join(errs, "\n")
}
type ErrorFormatter interface {
Format(s fmt.State, verb rune)
}
// ExitCoder is the interface checked by `App` and `Command` for a custom exit
// code
type ExitCoder interface {
error
ExitCode() int
}
// ExitError fulfills both the builtin `error` interface and `ExitCoder`
type ExitError struct {
exitCode int
message interface{}
}
// NewExitError makes a new *ExitError
func NewExitError(message interface{}, exitCode int) *ExitError {
return &ExitError{
exitCode: exitCode,
message: message,
}
}
// Error returns the string message, fulfilling the interface required by
// `error`
func (ee *ExitError) Error() string {
return fmt.Sprintf("%v", ee.message)
}
// ExitCode returns the exit code, fulfilling the interface required by
// `ExitCoder`
func (ee *ExitError) ExitCode() int {
return ee.exitCode
}
// HandleExitCoder checks if the error fulfills the ExitCoder interface, and if
// so prints the error to stderr (if it is non-empty) and calls OsExiter with the
// given exit code. If the given error is a MultiError, then this func is
// called on all members of the Errors slice.
func HandleExitCoder(err error) {
if err == nil {
return
}
if exitErr, ok := err.(ExitCoder); ok {
if err.Error() != "" {
if _, ok := exitErr.(ErrorFormatter); ok {
fmt.Fprintf(ErrWriter, "%+v\n", err)
} else {
fmt.Fprintln(ErrWriter, err)
}
}
OsExiter(exitErr.ExitCode())
return
}
if multiErr, ok := err.(MultiError); ok {
for _, merr := range multiErr.Errors {
HandleExitCoder(merr)
}
return
}
if err.Error() != "" {
if _, ok := err.(ErrorFormatter); ok {
fmt.Fprintf(ErrWriter, "%+v\n", err)
} else {
fmt.Fprintln(ErrWriter, err)
}
}
OsExiter(1)
}

93
vendor/github.com/urfave/cli/flag-types.json generated vendored Normal file
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[
{
"name": "Bool",
"type": "bool",
"value": false,
"context_default": "false",
"parser": "strconv.ParseBool(f.Value.String())"
},
{
"name": "BoolT",
"type": "bool",
"value": false,
"doctail": " that is true by default",
"context_default": "false",
"parser": "strconv.ParseBool(f.Value.String())"
},
{
"name": "Duration",
"type": "time.Duration",
"doctail": " (see https://golang.org/pkg/time/#ParseDuration)",
"context_default": "0",
"parser": "time.ParseDuration(f.Value.String())"
},
{
"name": "Float64",
"type": "float64",
"context_default": "0",
"parser": "strconv.ParseFloat(f.Value.String(), 64)"
},
{
"name": "Generic",
"type": "Generic",
"dest": false,
"context_default": "nil",
"context_type": "interface{}"
},
{
"name": "Int64",
"type": "int64",
"context_default": "0",
"parser": "strconv.ParseInt(f.Value.String(), 0, 64)"
},
{
"name": "Int",
"type": "int",
"context_default": "0",
"parser": "strconv.ParseInt(f.Value.String(), 0, 64)",
"parser_cast": "int(parsed)"
},
{
"name": "IntSlice",
"type": "*IntSlice",
"dest": false,
"context_default": "nil",
"context_type": "[]int",
"parser": "(f.Value.(*IntSlice)).Value(), error(nil)"
},
{
"name": "Int64Slice",
"type": "*Int64Slice",
"dest": false,
"context_default": "nil",
"context_type": "[]int64",
"parser": "(f.Value.(*Int64Slice)).Value(), error(nil)"
},
{
"name": "String",
"type": "string",
"context_default": "\"\"",
"parser": "f.Value.String(), error(nil)"
},
{
"name": "StringSlice",
"type": "*StringSlice",
"dest": false,
"context_default": "nil",
"context_type": "[]string",
"parser": "(f.Value.(*StringSlice)).Value(), error(nil)"
},
{
"name": "Uint64",
"type": "uint64",
"context_default": "0",
"parser": "strconv.ParseUint(f.Value.String(), 0, 64)"
},
{
"name": "Uint",
"type": "uint",
"context_default": "0",
"parser": "strconv.ParseUint(f.Value.String(), 0, 64)",
"parser_cast": "uint(parsed)"
}
]

799
vendor/github.com/urfave/cli/flag.go generated vendored Normal file
View File

@ -0,0 +1,799 @@
package cli
import (
"flag"
"fmt"
"reflect"
"runtime"
"strconv"
"strings"
"syscall"
"time"
)
const defaultPlaceholder = "value"
// BashCompletionFlag enables bash-completion for all commands and subcommands
var BashCompletionFlag = BoolFlag{
Name: "generate-bash-completion",
Hidden: true,
}
// VersionFlag prints the version for the application
var VersionFlag = BoolFlag{
Name: "version, v",
Usage: "print the version",
}
// HelpFlag prints the help for all commands and subcommands
// Set to the zero value (BoolFlag{}) to disable flag -- keeps subcommand
// unless HideHelp is set to true)
var HelpFlag = BoolFlag{
Name: "help, h",
Usage: "show help",
}
// FlagStringer converts a flag definition to a string. This is used by help
// to display a flag.
var FlagStringer FlagStringFunc = stringifyFlag
// FlagsByName is a slice of Flag.
type FlagsByName []Flag
func (f FlagsByName) Len() int {
return len(f)
}
func (f FlagsByName) Less(i, j int) bool {
return f[i].GetName() < f[j].GetName()
}
func (f FlagsByName) Swap(i, j int) {
f[i], f[j] = f[j], f[i]
}
// Flag is a common interface related to parsing flags in cli.
// For more advanced flag parsing techniques, it is recommended that
// this interface be implemented.
type Flag interface {
fmt.Stringer
// Apply Flag settings to the given flag set
Apply(*flag.FlagSet)
GetName() string
}
// errorableFlag is an interface that allows us to return errors during apply
// it allows flags defined in this library to return errors in a fashion backwards compatible
// TODO remove in v2 and modify the existing Flag interface to return errors
type errorableFlag interface {
Flag
ApplyWithError(*flag.FlagSet) error
}
func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
set := flag.NewFlagSet(name, flag.ContinueOnError)
for _, f := range flags {
//TODO remove in v2 when errorableFlag is removed
if ef, ok := f.(errorableFlag); ok {
if err := ef.ApplyWithError(set); err != nil {
return nil, err
}
} else {
f.Apply(set)
}
}
return set, nil
}
func eachName(longName string, fn func(string)) {
parts := strings.Split(longName, ",")
for _, name := range parts {
name = strings.Trim(name, " ")
fn(name)
}
}
// Generic is a generic parseable type identified by a specific flag
type Generic interface {
Set(value string) error
String() string
}
// Apply takes the flagset and calls Set on the generic flag with the value
// provided by the user for parsing by the flag
// Ignores parsing errors
func (f GenericFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError takes the flagset and calls Set on the generic flag with the value
// provided by the user for parsing by the flag
func (f GenericFlag) ApplyWithError(set *flag.FlagSet) error {
val := f.Value
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
if err := val.Set(envVal); err != nil {
return fmt.Errorf("could not parse %s as value for flag %s: %s", envVal, f.Name, err)
}
break
}
}
}
eachName(f.Name, func(name string) {
set.Var(f.Value, name, f.Usage)
})
return nil
}
// StringSlice is an opaque type for []string to satisfy flag.Value and flag.Getter
type StringSlice []string
// Set appends the string value to the list of values
func (f *StringSlice) Set(value string) error {
*f = append(*f, value)
return nil
}
// String returns a readable representation of this value (for usage defaults)
func (f *StringSlice) String() string {
return fmt.Sprintf("%s", *f)
}
// Value returns the slice of strings set by this flag
func (f *StringSlice) Value() []string {
return *f
}
// Get returns the slice of strings set by this flag
func (f *StringSlice) Get() interface{} {
return *f
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f StringSliceFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f StringSliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
newVal := &StringSlice{}
for _, s := range strings.Split(envVal, ",") {
s = strings.TrimSpace(s)
if err := newVal.Set(s); err != nil {
return fmt.Errorf("could not parse %s as string value for flag %s: %s", envVal, f.Name, err)
}
}
f.Value = newVal
break
}
}
}
eachName(f.Name, func(name string) {
if f.Value == nil {
f.Value = &StringSlice{}
}
set.Var(f.Value, name, f.Usage)
})
return nil
}
// IntSlice is an opaque type for []int to satisfy flag.Value and flag.Getter
type IntSlice []int
// Set parses the value into an integer and appends it to the list of values
func (f *IntSlice) Set(value string) error {
tmp, err := strconv.Atoi(value)
if err != nil {
return err
}
*f = append(*f, tmp)
return nil
}
// String returns a readable representation of this value (for usage defaults)
func (f *IntSlice) String() string {
return fmt.Sprintf("%#v", *f)
}
// Value returns the slice of ints set by this flag
func (f *IntSlice) Value() []int {
return *f
}
// Get returns the slice of ints set by this flag
func (f *IntSlice) Get() interface{} {
return *f
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f IntSliceFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f IntSliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
newVal := &IntSlice{}
for _, s := range strings.Split(envVal, ",") {
s = strings.TrimSpace(s)
if err := newVal.Set(s); err != nil {
return fmt.Errorf("could not parse %s as int slice value for flag %s: %s", envVal, f.Name, err)
}
}
f.Value = newVal
break
}
}
}
eachName(f.Name, func(name string) {
if f.Value == nil {
f.Value = &IntSlice{}
}
set.Var(f.Value, name, f.Usage)
})
return nil
}
// Int64Slice is an opaque type for []int to satisfy flag.Value and flag.Getter
type Int64Slice []int64
// Set parses the value into an integer and appends it to the list of values
func (f *Int64Slice) Set(value string) error {
tmp, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return err
}
*f = append(*f, tmp)
return nil
}
// String returns a readable representation of this value (for usage defaults)
func (f *Int64Slice) String() string {
return fmt.Sprintf("%#v", *f)
}
// Value returns the slice of ints set by this flag
func (f *Int64Slice) Value() []int64 {
return *f
}
// Get returns the slice of ints set by this flag
func (f *Int64Slice) Get() interface{} {
return *f
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Int64SliceFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f Int64SliceFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
newVal := &Int64Slice{}
for _, s := range strings.Split(envVal, ",") {
s = strings.TrimSpace(s)
if err := newVal.Set(s); err != nil {
return fmt.Errorf("could not parse %s as int64 slice value for flag %s: %s", envVal, f.Name, err)
}
}
f.Value = newVal
break
}
}
}
eachName(f.Name, func(name string) {
if f.Value == nil {
f.Value = &Int64Slice{}
}
set.Var(f.Value, name, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f BoolFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f BoolFlag) ApplyWithError(set *flag.FlagSet) error {
val := false
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
if envVal == "" {
val = false
break
}
envValBool, err := strconv.ParseBool(envVal)
if err != nil {
return fmt.Errorf("could not parse %s as bool value for flag %s: %s", envVal, f.Name, err)
}
val = envValBool
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.BoolVar(f.Destination, name, val, f.Usage)
return
}
set.Bool(name, val, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f BoolTFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f BoolTFlag) ApplyWithError(set *flag.FlagSet) error {
val := true
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
if envVal == "" {
val = false
break
}
envValBool, err := strconv.ParseBool(envVal)
if err != nil {
return fmt.Errorf("could not parse %s as bool value for flag %s: %s", envVal, f.Name, err)
}
val = envValBool
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.BoolVar(f.Destination, name, val, f.Usage)
return
}
set.Bool(name, val, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f StringFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f StringFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
f.Value = envVal
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.StringVar(f.Destination, name, f.Value, f.Usage)
return
}
set.String(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f IntFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f IntFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValInt, err := strconv.ParseInt(envVal, 0, 64)
if err != nil {
return fmt.Errorf("could not parse %s as int value for flag %s: %s", envVal, f.Name, err)
}
f.Value = int(envValInt)
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.IntVar(f.Destination, name, f.Value, f.Usage)
return
}
set.Int(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Int64Flag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f Int64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValInt, err := strconv.ParseInt(envVal, 0, 64)
if err != nil {
return fmt.Errorf("could not parse %s as int value for flag %s: %s", envVal, f.Name, err)
}
f.Value = envValInt
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.Int64Var(f.Destination, name, f.Value, f.Usage)
return
}
set.Int64(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f UintFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f UintFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValInt, err := strconv.ParseUint(envVal, 0, 64)
if err != nil {
return fmt.Errorf("could not parse %s as uint value for flag %s: %s", envVal, f.Name, err)
}
f.Value = uint(envValInt)
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.UintVar(f.Destination, name, f.Value, f.Usage)
return
}
set.Uint(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Uint64Flag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f Uint64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValInt, err := strconv.ParseUint(envVal, 0, 64)
if err != nil {
return fmt.Errorf("could not parse %s as uint64 value for flag %s: %s", envVal, f.Name, err)
}
f.Value = uint64(envValInt)
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.Uint64Var(f.Destination, name, f.Value, f.Usage)
return
}
set.Uint64(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f DurationFlag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f DurationFlag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValDuration, err := time.ParseDuration(envVal)
if err != nil {
return fmt.Errorf("could not parse %s as duration for flag %s: %s", envVal, f.Name, err)
}
f.Value = envValDuration
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.DurationVar(f.Destination, name, f.Value, f.Usage)
return
}
set.Duration(name, f.Value, f.Usage)
})
return nil
}
// Apply populates the flag given the flag set and environment
// Ignores errors
func (f Float64Flag) Apply(set *flag.FlagSet) {
f.ApplyWithError(set)
}
// ApplyWithError populates the flag given the flag set and environment
func (f Float64Flag) ApplyWithError(set *flag.FlagSet) error {
if f.EnvVar != "" {
for _, envVar := range strings.Split(f.EnvVar, ",") {
envVar = strings.TrimSpace(envVar)
if envVal, ok := syscall.Getenv(envVar); ok {
envValFloat, err := strconv.ParseFloat(envVal, 10)
if err != nil {
return fmt.Errorf("could not parse %s as float64 value for flag %s: %s", envVal, f.Name, err)
}
f.Value = float64(envValFloat)
break
}
}
}
eachName(f.Name, func(name string) {
if f.Destination != nil {
set.Float64Var(f.Destination, name, f.Value, f.Usage)
return
}
set.Float64(name, f.Value, f.Usage)
})
return nil
}
func visibleFlags(fl []Flag) []Flag {
visible := []Flag{}
for _, flag := range fl {
if !flagValue(flag).FieldByName("Hidden").Bool() {
visible = append(visible, flag)
}
}
return visible
}
func prefixFor(name string) (prefix string) {
if len(name) == 1 {
prefix = "-"
} else {
prefix = "--"
}
return
}
// Returns the placeholder, if any, and the unquoted usage string.
func unquoteUsage(usage string) (string, string) {
for i := 0; i < len(usage); i++ {
if usage[i] == '`' {
for j := i + 1; j < len(usage); j++ {
if usage[j] == '`' {
name := usage[i+1 : j]
usage = usage[:i] + name + usage[j+1:]
return name, usage
}
}
break
}
}
return "", usage
}
func prefixedNames(fullName, placeholder string) string {
var prefixed string
parts := strings.Split(fullName, ",")
for i, name := range parts {
name = strings.Trim(name, " ")
prefixed += prefixFor(name) + name
if placeholder != "" {
prefixed += " " + placeholder
}
if i < len(parts)-1 {
prefixed += ", "
}
}
return prefixed
}
func withEnvHint(envVar, str string) string {
envText := ""
if envVar != "" {
prefix := "$"
suffix := ""
sep := ", $"
if runtime.GOOS == "windows" {
prefix = "%"
suffix = "%"
sep = "%, %"
}
envText = fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(strings.Split(envVar, ","), sep), suffix)
}
return str + envText
}
func flagValue(f Flag) reflect.Value {
fv := reflect.ValueOf(f)
for fv.Kind() == reflect.Ptr {
fv = reflect.Indirect(fv)
}
return fv
}
func stringifyFlag(f Flag) string {
fv := flagValue(f)
switch f.(type) {
case IntSliceFlag:
return withEnvHint(fv.FieldByName("EnvVar").String(),
stringifyIntSliceFlag(f.(IntSliceFlag)))
case Int64SliceFlag:
return withEnvHint(fv.FieldByName("EnvVar").String(),
stringifyInt64SliceFlag(f.(Int64SliceFlag)))
case StringSliceFlag:
return withEnvHint(fv.FieldByName("EnvVar").String(),
stringifyStringSliceFlag(f.(StringSliceFlag)))
}
placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String())
needsPlaceholder := false
defaultValueString := ""
val := fv.FieldByName("Value")
if val.IsValid() {
needsPlaceholder = true
defaultValueString = fmt.Sprintf(" (default: %v)", val.Interface())
if val.Kind() == reflect.String && val.String() != "" {
defaultValueString = fmt.Sprintf(" (default: %q)", val.String())
}
}
if defaultValueString == " (default: )" {
defaultValueString = ""
}
if needsPlaceholder && placeholder == "" {
placeholder = defaultPlaceholder
}
usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString))
return withEnvHint(fv.FieldByName("EnvVar").String(),
fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
}
func stringifyIntSliceFlag(f IntSliceFlag) string {
defaultVals := []string{}
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
}
}
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
}
func stringifyInt64SliceFlag(f Int64SliceFlag) string {
defaultVals := []string{}
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
}
}
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
}
func stringifyStringSliceFlag(f StringSliceFlag) string {
defaultVals := []string{}
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, s := range f.Value.Value() {
if len(s) > 0 {
defaultVals = append(defaultVals, fmt.Sprintf("%q", s))
}
}
}
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
}
func stringifySliceFlag(usage, name string, defaultVals []string) string {
placeholder, usage := unquoteUsage(usage)
if placeholder == "" {
placeholder = defaultPlaceholder
}
defaultVal := ""
if len(defaultVals) > 0 {
defaultVal = fmt.Sprintf(" (default: %s)", strings.Join(defaultVals, ", "))
}
usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault)
}

627
vendor/github.com/urfave/cli/flag_generated.go generated vendored Normal file
View File

@ -0,0 +1,627 @@
package cli
import (
"flag"
"strconv"
"time"
)
// WARNING: This file is generated!
// BoolFlag is a flag with type bool
type BoolFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Destination *bool
}
// String returns a readable representation of this value
// (for usage defaults)
func (f BoolFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f BoolFlag) GetName() string {
return f.Name
}
// Bool looks up the value of a local BoolFlag, returns
// false if not found
func (c *Context) Bool(name string) bool {
return lookupBool(name, c.flagSet)
}
// GlobalBool looks up the value of a global BoolFlag, returns
// false if not found
func (c *Context) GlobalBool(name string) bool {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupBool(name, fs)
}
return false
}
func lookupBool(name string, set *flag.FlagSet) bool {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseBool(f.Value.String())
if err != nil {
return false
}
return parsed
}
return false
}
// BoolTFlag is a flag with type bool that is true by default
type BoolTFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Destination *bool
}
// String returns a readable representation of this value
// (for usage defaults)
func (f BoolTFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f BoolTFlag) GetName() string {
return f.Name
}
// BoolT looks up the value of a local BoolTFlag, returns
// false if not found
func (c *Context) BoolT(name string) bool {
return lookupBoolT(name, c.flagSet)
}
// GlobalBoolT looks up the value of a global BoolTFlag, returns
// false if not found
func (c *Context) GlobalBoolT(name string) bool {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupBoolT(name, fs)
}
return false
}
func lookupBoolT(name string, set *flag.FlagSet) bool {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseBool(f.Value.String())
if err != nil {
return false
}
return parsed
}
return false
}
// DurationFlag is a flag with type time.Duration (see https://golang.org/pkg/time/#ParseDuration)
type DurationFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value time.Duration
Destination *time.Duration
}
// String returns a readable representation of this value
// (for usage defaults)
func (f DurationFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f DurationFlag) GetName() string {
return f.Name
}
// Duration looks up the value of a local DurationFlag, returns
// 0 if not found
func (c *Context) Duration(name string) time.Duration {
return lookupDuration(name, c.flagSet)
}
// GlobalDuration looks up the value of a global DurationFlag, returns
// 0 if not found
func (c *Context) GlobalDuration(name string) time.Duration {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupDuration(name, fs)
}
return 0
}
func lookupDuration(name string, set *flag.FlagSet) time.Duration {
f := set.Lookup(name)
if f != nil {
parsed, err := time.ParseDuration(f.Value.String())
if err != nil {
return 0
}
return parsed
}
return 0
}
// Float64Flag is a flag with type float64
type Float64Flag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value float64
Destination *float64
}
// String returns a readable representation of this value
// (for usage defaults)
func (f Float64Flag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f Float64Flag) GetName() string {
return f.Name
}
// Float64 looks up the value of a local Float64Flag, returns
// 0 if not found
func (c *Context) Float64(name string) float64 {
return lookupFloat64(name, c.flagSet)
}
// GlobalFloat64 looks up the value of a global Float64Flag, returns
// 0 if not found
func (c *Context) GlobalFloat64(name string) float64 {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupFloat64(name, fs)
}
return 0
}
func lookupFloat64(name string, set *flag.FlagSet) float64 {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseFloat(f.Value.String(), 64)
if err != nil {
return 0
}
return parsed
}
return 0
}
// GenericFlag is a flag with type Generic
type GenericFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value Generic
}
// String returns a readable representation of this value
// (for usage defaults)
func (f GenericFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f GenericFlag) GetName() string {
return f.Name
}
// Generic looks up the value of a local GenericFlag, returns
// nil if not found
func (c *Context) Generic(name string) interface{} {
return lookupGeneric(name, c.flagSet)
}
// GlobalGeneric looks up the value of a global GenericFlag, returns
// nil if not found
func (c *Context) GlobalGeneric(name string) interface{} {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupGeneric(name, fs)
}
return nil
}
func lookupGeneric(name string, set *flag.FlagSet) interface{} {
f := set.Lookup(name)
if f != nil {
parsed, err := f.Value, error(nil)
if err != nil {
return nil
}
return parsed
}
return nil
}
// Int64Flag is a flag with type int64
type Int64Flag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value int64
Destination *int64
}
// String returns a readable representation of this value
// (for usage defaults)
func (f Int64Flag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f Int64Flag) GetName() string {
return f.Name
}
// Int64 looks up the value of a local Int64Flag, returns
// 0 if not found
func (c *Context) Int64(name string) int64 {
return lookupInt64(name, c.flagSet)
}
// GlobalInt64 looks up the value of a global Int64Flag, returns
// 0 if not found
func (c *Context) GlobalInt64(name string) int64 {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupInt64(name, fs)
}
return 0
}
func lookupInt64(name string, set *flag.FlagSet) int64 {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
if err != nil {
return 0
}
return parsed
}
return 0
}
// IntFlag is a flag with type int
type IntFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value int
Destination *int
}
// String returns a readable representation of this value
// (for usage defaults)
func (f IntFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f IntFlag) GetName() string {
return f.Name
}
// Int looks up the value of a local IntFlag, returns
// 0 if not found
func (c *Context) Int(name string) int {
return lookupInt(name, c.flagSet)
}
// GlobalInt looks up the value of a global IntFlag, returns
// 0 if not found
func (c *Context) GlobalInt(name string) int {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupInt(name, fs)
}
return 0
}
func lookupInt(name string, set *flag.FlagSet) int {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
if err != nil {
return 0
}
return int(parsed)
}
return 0
}
// IntSliceFlag is a flag with type *IntSlice
type IntSliceFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value *IntSlice
}
// String returns a readable representation of this value
// (for usage defaults)
func (f IntSliceFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f IntSliceFlag) GetName() string {
return f.Name
}
// IntSlice looks up the value of a local IntSliceFlag, returns
// nil if not found
func (c *Context) IntSlice(name string) []int {
return lookupIntSlice(name, c.flagSet)
}
// GlobalIntSlice looks up the value of a global IntSliceFlag, returns
// nil if not found
func (c *Context) GlobalIntSlice(name string) []int {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupIntSlice(name, fs)
}
return nil
}
func lookupIntSlice(name string, set *flag.FlagSet) []int {
f := set.Lookup(name)
if f != nil {
parsed, err := (f.Value.(*IntSlice)).Value(), error(nil)
if err != nil {
return nil
}
return parsed
}
return nil
}
// Int64SliceFlag is a flag with type *Int64Slice
type Int64SliceFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value *Int64Slice
}
// String returns a readable representation of this value
// (for usage defaults)
func (f Int64SliceFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f Int64SliceFlag) GetName() string {
return f.Name
}
// Int64Slice looks up the value of a local Int64SliceFlag, returns
// nil if not found
func (c *Context) Int64Slice(name string) []int64 {
return lookupInt64Slice(name, c.flagSet)
}
// GlobalInt64Slice looks up the value of a global Int64SliceFlag, returns
// nil if not found
func (c *Context) GlobalInt64Slice(name string) []int64 {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupInt64Slice(name, fs)
}
return nil
}
func lookupInt64Slice(name string, set *flag.FlagSet) []int64 {
f := set.Lookup(name)
if f != nil {
parsed, err := (f.Value.(*Int64Slice)).Value(), error(nil)
if err != nil {
return nil
}
return parsed
}
return nil
}
// StringFlag is a flag with type string
type StringFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value string
Destination *string
}
// String returns a readable representation of this value
// (for usage defaults)
func (f StringFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f StringFlag) GetName() string {
return f.Name
}
// String looks up the value of a local StringFlag, returns
// "" if not found
func (c *Context) String(name string) string {
return lookupString(name, c.flagSet)
}
// GlobalString looks up the value of a global StringFlag, returns
// "" if not found
func (c *Context) GlobalString(name string) string {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupString(name, fs)
}
return ""
}
func lookupString(name string, set *flag.FlagSet) string {
f := set.Lookup(name)
if f != nil {
parsed, err := f.Value.String(), error(nil)
if err != nil {
return ""
}
return parsed
}
return ""
}
// StringSliceFlag is a flag with type *StringSlice
type StringSliceFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value *StringSlice
}
// String returns a readable representation of this value
// (for usage defaults)
func (f StringSliceFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f StringSliceFlag) GetName() string {
return f.Name
}
// StringSlice looks up the value of a local StringSliceFlag, returns
// nil if not found
func (c *Context) StringSlice(name string) []string {
return lookupStringSlice(name, c.flagSet)
}
// GlobalStringSlice looks up the value of a global StringSliceFlag, returns
// nil if not found
func (c *Context) GlobalStringSlice(name string) []string {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupStringSlice(name, fs)
}
return nil
}
func lookupStringSlice(name string, set *flag.FlagSet) []string {
f := set.Lookup(name)
if f != nil {
parsed, err := (f.Value.(*StringSlice)).Value(), error(nil)
if err != nil {
return nil
}
return parsed
}
return nil
}
// Uint64Flag is a flag with type uint64
type Uint64Flag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value uint64
Destination *uint64
}
// String returns a readable representation of this value
// (for usage defaults)
func (f Uint64Flag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f Uint64Flag) GetName() string {
return f.Name
}
// Uint64 looks up the value of a local Uint64Flag, returns
// 0 if not found
func (c *Context) Uint64(name string) uint64 {
return lookupUint64(name, c.flagSet)
}
// GlobalUint64 looks up the value of a global Uint64Flag, returns
// 0 if not found
func (c *Context) GlobalUint64(name string) uint64 {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupUint64(name, fs)
}
return 0
}
func lookupUint64(name string, set *flag.FlagSet) uint64 {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
if err != nil {
return 0
}
return parsed
}
return 0
}
// UintFlag is a flag with type uint
type UintFlag struct {
Name string
Usage string
EnvVar string
Hidden bool
Value uint
Destination *uint
}
// String returns a readable representation of this value
// (for usage defaults)
func (f UintFlag) String() string {
return FlagStringer(f)
}
// GetName returns the name of the flag
func (f UintFlag) GetName() string {
return f.Name
}
// Uint looks up the value of a local UintFlag, returns
// 0 if not found
func (c *Context) Uint(name string) uint {
return lookupUint(name, c.flagSet)
}
// GlobalUint looks up the value of a global UintFlag, returns
// 0 if not found
func (c *Context) GlobalUint(name string) uint {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupUint(name, fs)
}
return 0
}
func lookupUint(name string, set *flag.FlagSet) uint {
f := set.Lookup(name)
if f != nil {
parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
if err != nil {
return 0
}
return uint(parsed)
}
return 0
}

28
vendor/github.com/urfave/cli/funcs.go generated vendored Normal file
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package cli
// BashCompleteFunc is an action to execute when the bash-completion flag is set
type BashCompleteFunc func(*Context)
// BeforeFunc is an action to execute before any subcommands are run, but after
// the context is ready if a non-nil error is returned, no subcommands are run
type BeforeFunc func(*Context) error
// AfterFunc is an action to execute after any subcommands are run, but after the
// subcommand has finished it is run even if Action() panics
type AfterFunc func(*Context) error
// ActionFunc is the action to execute when no subcommands are specified
type ActionFunc func(*Context) error
// CommandNotFoundFunc is executed if the proper command cannot be found
type CommandNotFoundFunc func(*Context, string)
// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying
// customized usage error messages. This function is able to replace the
// original error messages. If this function is not set, the "Incorrect usage"
// is displayed and the execution is interrupted.
type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error
// FlagStringFunc is used by the help generation to display a flag, which is
// expected to be a single line.
type FlagStringFunc func(Flag) string

255
vendor/github.com/urfave/cli/generate-flag-types generated vendored Normal file
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#!/usr/bin/env python
"""
The flag types that ship with the cli library have many things in common, and
so we can take advantage of the `go generate` command to create much of the
source code from a list of definitions. These definitions attempt to cover
the parts that vary between flag types, and should evolve as needed.
An example of the minimum definition needed is:
{
"name": "SomeType",
"type": "sometype",
"context_default": "nil"
}
In this example, the code generated for the `cli` package will include a type
named `SomeTypeFlag` that is expected to wrap a value of type `sometype`.
Fetching values by name via `*cli.Context` will default to a value of `nil`.
A more complete, albeit somewhat redundant, example showing all available
definition keys is:
{
"name": "VeryMuchType",
"type": "*VeryMuchType",
"value": true,
"dest": false,
"doctail": " which really only wraps a []float64, oh well!",
"context_type": "[]float64",
"context_default": "nil",
"parser": "parseVeryMuchType(f.Value.String())",
"parser_cast": "[]float64(parsed)"
}
The meaning of each field is as follows:
name (string) - The type "name", which will be suffixed with
`Flag` when generating the type definition
for `cli` and the wrapper type for `altsrc`
type (string) - The type that the generated `Flag` type for `cli`
is expected to "contain" as its `.Value` member
value (bool) - Should the generated `cli` type have a `Value`
member?
dest (bool) - Should the generated `cli` type support a
destination pointer?
doctail (string) - Additional docs for the `cli` flag type comment
context_type (string) - The literal type used in the `*cli.Context`
reader func signature
context_default (string) - The literal value used as the default by the
`*cli.Context` reader funcs when no value is
present
parser (string) - Literal code used to parse the flag `f`,
expected to have a return signature of
(value, error)
parser_cast (string) - Literal code used to cast the `parsed` value
returned from the `parser` code
"""
from __future__ import print_function, unicode_literals
import argparse
import json
import os
import subprocess
import sys
import tempfile
import textwrap
class _FancyFormatter(argparse.ArgumentDefaultsHelpFormatter,
argparse.RawDescriptionHelpFormatter):
pass
def main(sysargs=sys.argv[:]):
parser = argparse.ArgumentParser(
description='Generate flag type code!',
formatter_class=_FancyFormatter)
parser.add_argument(
'package',
type=str, default='cli', choices=_WRITEFUNCS.keys(),
help='Package for which flag types will be generated'
)
parser.add_argument(
'-i', '--in-json',
type=argparse.FileType('r'),
default=sys.stdin,
help='Input JSON file which defines each type to be generated'
)
parser.add_argument(
'-o', '--out-go',
type=argparse.FileType('w'),
default=sys.stdout,
help='Output file/stream to which generated source will be written'
)
parser.epilog = __doc__
args = parser.parse_args(sysargs[1:])
_generate_flag_types(_WRITEFUNCS[args.package], args.out_go, args.in_json)
return 0
def _generate_flag_types(writefunc, output_go, input_json):
types = json.load(input_json)
tmp = tempfile.NamedTemporaryFile(suffix='.go', delete=False)
writefunc(tmp, types)
tmp.close()
new_content = subprocess.check_output(
['goimports', tmp.name]
).decode('utf-8')
print(new_content, file=output_go, end='')
output_go.flush()
os.remove(tmp.name)
def _set_typedef_defaults(typedef):
typedef.setdefault('doctail', '')
typedef.setdefault('context_type', typedef['type'])
typedef.setdefault('dest', True)
typedef.setdefault('value', True)
typedef.setdefault('parser', 'f.Value, error(nil)')
typedef.setdefault('parser_cast', 'parsed')
def _write_cli_flag_types(outfile, types):
_fwrite(outfile, """\
package cli
// WARNING: This file is generated!
""")
for typedef in types:
_set_typedef_defaults(typedef)
_fwrite(outfile, """\
// {name}Flag is a flag with type {type}{doctail}
type {name}Flag struct {{
Name string
Usage string
EnvVar string
Hidden bool
""".format(**typedef))
if typedef['value']:
_fwrite(outfile, """\
Value {type}
""".format(**typedef))
if typedef['dest']:
_fwrite(outfile, """\
Destination *{type}
""".format(**typedef))
_fwrite(outfile, "\n}\n\n")
_fwrite(outfile, """\
// String returns a readable representation of this value
// (for usage defaults)
func (f {name}Flag) String() string {{
return FlagStringer(f)
}}
// GetName returns the name of the flag
func (f {name}Flag) GetName() string {{
return f.Name
}}
// {name} looks up the value of a local {name}Flag, returns
// {context_default} if not found
func (c *Context) {name}(name string) {context_type} {{
return lookup{name}(name, c.flagSet)
}}
// Global{name} looks up the value of a global {name}Flag, returns
// {context_default} if not found
func (c *Context) Global{name}(name string) {context_type} {{
if fs := lookupGlobalFlagSet(name, c); fs != nil {{
return lookup{name}(name, fs)
}}
return {context_default}
}}
func lookup{name}(name string, set *flag.FlagSet) {context_type} {{
f := set.Lookup(name)
if f != nil {{
parsed, err := {parser}
if err != nil {{
return {context_default}
}}
return {parser_cast}
}}
return {context_default}
}}
""".format(**typedef))
def _write_altsrc_flag_types(outfile, types):
_fwrite(outfile, """\
package altsrc
import (
"gopkg.in/urfave/cli.v1"
)
// WARNING: This file is generated!
""")
for typedef in types:
_set_typedef_defaults(typedef)
_fwrite(outfile, """\
// {name}Flag is the flag type that wraps cli.{name}Flag to allow
// for other values to be specified
type {name}Flag struct {{
cli.{name}Flag
set *flag.FlagSet
}}
// New{name}Flag creates a new {name}Flag
func New{name}Flag(fl cli.{name}Flag) *{name}Flag {{
return &{name}Flag{{{name}Flag: fl, set: nil}}
}}
// Apply saves the flagSet for later usage calls, then calls the
// wrapped {name}Flag.Apply
func (f *{name}Flag) Apply(set *flag.FlagSet) {{
f.set = set
f.{name}Flag.Apply(set)
}}
// ApplyWithError saves the flagSet for later usage calls, then calls the
// wrapped {name}Flag.ApplyWithError
func (f *{name}Flag) ApplyWithError(set *flag.FlagSet) error {{
f.set = set
return f.{name}Flag.ApplyWithError(set)
}}
""".format(**typedef))
def _fwrite(outfile, text):
print(textwrap.dedent(text), end='', file=outfile)
_WRITEFUNCS = {
'cli': _write_cli_flag_types,
'altsrc': _write_altsrc_flag_types
}
if __name__ == '__main__':
sys.exit(main())

294
vendor/github.com/urfave/cli/help.go generated vendored Normal file
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@ -0,0 +1,294 @@
package cli
import (
"fmt"
"io"
"os"
"strings"
"text/tabwriter"
"text/template"
)
// AppHelpTemplate is the text template for the Default help topic.
// cli.go uses text/template to render templates. You can
// render custom help text by setting this variable.
var AppHelpTemplate = `NAME:
{{.Name}}{{if .Usage}} - {{.Usage}}{{end}}
USAGE:
{{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Version}}{{if not .HideVersion}}
VERSION:
{{.Version}}{{end}}{{end}}{{if .Description}}
DESCRIPTION:
{{.Description}}{{end}}{{if len .Authors}}
AUTHOR{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
{{range $index, $author := .Authors}}{{if $index}}
{{end}}{{$author}}{{end}}{{end}}{{if .VisibleCommands}}
COMMANDS:{{range .VisibleCategories}}{{if .Name}}
{{.Name}}:{{end}}{{range .VisibleCommands}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
GLOBAL OPTIONS:
{{range $index, $option := .VisibleFlags}}{{if $index}}
{{end}}{{$option}}{{end}}{{end}}{{if .Copyright}}
COPYRIGHT:
{{.Copyright}}{{end}}
`
// CommandHelpTemplate is the text template for the command help topic.
// cli.go uses text/template to render templates. You can
// render custom help text by setting this variable.
var CommandHelpTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{if .Category}}
CATEGORY:
{{.Category}}{{end}}{{if .Description}}
DESCRIPTION:
{{.Description}}{{end}}{{if .VisibleFlags}}
OPTIONS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
`
// SubcommandHelpTemplate is the text template for the subcommand help topic.
// cli.go uses text/template to render templates. You can
// render custom help text by setting this variable.
var SubcommandHelpTemplate = `NAME:
{{.HelpName}} - {{.Usage}}
USAGE:
{{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}
COMMANDS:{{range .VisibleCategories}}{{if .Name}}
{{.Name}}:{{end}}{{range .VisibleCommands}}
{{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}
{{end}}{{if .VisibleFlags}}
OPTIONS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}
`
var helpCommand = Command{
Name: "help",
Aliases: []string{"h"},
Usage: "Shows a list of commands or help for one command",
ArgsUsage: "[command]",
Action: func(c *Context) error {
args := c.Args()
if args.Present() {
return ShowCommandHelp(c, args.First())
}
ShowAppHelp(c)
return nil
},
}
var helpSubcommand = Command{
Name: "help",
Aliases: []string{"h"},
Usage: "Shows a list of commands or help for one command",
ArgsUsage: "[command]",
Action: func(c *Context) error {
args := c.Args()
if args.Present() {
return ShowCommandHelp(c, args.First())
}
return ShowSubcommandHelp(c)
},
}
// Prints help for the App or Command
type helpPrinter func(w io.Writer, templ string, data interface{})
// HelpPrinter is a function that writes the help output. If not set a default
// is used. The function signature is:
// func(w io.Writer, templ string, data interface{})
var HelpPrinter helpPrinter = printHelp
// VersionPrinter prints the version for the App
var VersionPrinter = printVersion
// ShowAppHelp is an action that displays the help.
func ShowAppHelp(c *Context) error {
HelpPrinter(c.App.Writer, AppHelpTemplate, c.App)
return nil
}
// DefaultAppComplete prints the list of subcommands as the default app completion method
func DefaultAppComplete(c *Context) {
for _, command := range c.App.Commands {
if command.Hidden {
continue
}
for _, name := range command.Names() {
fmt.Fprintln(c.App.Writer, name)
}
}
}
// ShowCommandHelp prints help for the given command
func ShowCommandHelp(ctx *Context, command string) error {
// show the subcommand help for a command with subcommands
if command == "" {
HelpPrinter(ctx.App.Writer, SubcommandHelpTemplate, ctx.App)
return nil
}
for _, c := range ctx.App.Commands {
if c.HasName(command) {
HelpPrinter(ctx.App.Writer, CommandHelpTemplate, c)
return nil
}
}
if ctx.App.CommandNotFound == nil {
return NewExitError(fmt.Sprintf("No help topic for '%v'", command), 3)
}
ctx.App.CommandNotFound(ctx, command)
return nil
}
// ShowSubcommandHelp prints help for the given subcommand
func ShowSubcommandHelp(c *Context) error {
return ShowCommandHelp(c, c.Command.Name)
}
// ShowVersion prints the version number of the App
func ShowVersion(c *Context) {
VersionPrinter(c)
}
func printVersion(c *Context) {
fmt.Fprintf(c.App.Writer, "%v version %v\n", c.App.Name, c.App.Version)
}
// ShowCompletions prints the lists of commands within a given context
func ShowCompletions(c *Context) {
a := c.App
if a != nil && a.BashComplete != nil {
a.BashComplete(c)
}
}
// ShowCommandCompletions prints the custom completions for a given command
func ShowCommandCompletions(ctx *Context, command string) {
c := ctx.App.Command(command)
if c != nil && c.BashComplete != nil {
c.BashComplete(ctx)
}
}
func printHelp(out io.Writer, templ string, data interface{}) {
funcMap := template.FuncMap{
"join": strings.Join,
}
w := tabwriter.NewWriter(out, 1, 8, 2, ' ', 0)
t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
err := t.Execute(w, data)
if err != nil {
// If the writer is closed, t.Execute will fail, and there's nothing
// we can do to recover.
if os.Getenv("CLI_TEMPLATE_ERROR_DEBUG") != "" {
fmt.Fprintf(ErrWriter, "CLI TEMPLATE ERROR: %#v\n", err)
}
return
}
w.Flush()
}
func checkVersion(c *Context) bool {
found := false
if VersionFlag.Name != "" {
eachName(VersionFlag.Name, func(name string) {
if c.GlobalBool(name) || c.Bool(name) {
found = true
}
})
}
return found
}
func checkHelp(c *Context) bool {
found := false
if HelpFlag.Name != "" {
eachName(HelpFlag.Name, func(name string) {
if c.GlobalBool(name) || c.Bool(name) {
found = true
}
})
}
return found
}
func checkCommandHelp(c *Context, name string) bool {
if c.Bool("h") || c.Bool("help") {
ShowCommandHelp(c, name)
return true
}
return false
}
func checkSubcommandHelp(c *Context) bool {
if c.Bool("h") || c.Bool("help") {
ShowSubcommandHelp(c)
return true
}
return false
}
func checkShellCompleteFlag(a *App, arguments []string) (bool, []string) {
if !a.EnableBashCompletion {
return false, arguments
}
pos := len(arguments) - 1
lastArg := arguments[pos]
if lastArg != "--"+BashCompletionFlag.Name {
return false, arguments
}
return true, arguments[:pos]
}
func checkCompletions(c *Context) bool {
if !c.shellComplete {
return false
}
if args := c.Args(); args.Present() {
name := args.First()
if cmd := c.App.Command(name); cmd != nil {
// let the command handle the completion
return false
}
}
ShowCompletions(c)
return true
}
func checkCommandCompletions(c *Context, name string) bool {
if !c.shellComplete {
return false
}
ShowCommandCompletions(c, name)
return true
}

122
vendor/github.com/urfave/cli/runtests generated vendored Normal file
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@ -0,0 +1,122 @@
#!/usr/bin/env python
from __future__ import print_function
import argparse
import os
import sys
import tempfile
from subprocess import check_call, check_output
PACKAGE_NAME = os.environ.get(
'CLI_PACKAGE_NAME', 'github.com/urfave/cli'
)
def main(sysargs=sys.argv[:]):
targets = {
'vet': _vet,
'test': _test,
'gfmrun': _gfmrun,
'toc': _toc,
'gen': _gen,
}
parser = argparse.ArgumentParser()
parser.add_argument(
'target', nargs='?', choices=tuple(targets.keys()), default='test'
)
args = parser.parse_args(sysargs[1:])
targets[args.target]()
return 0
def _test():
if check_output('go version'.split()).split()[2] < 'go1.2':
_run('go test -v .')
return
coverprofiles = []
for subpackage in ['', 'altsrc']:
coverprofile = 'cli.coverprofile'
if subpackage != '':
coverprofile = '{}.coverprofile'.format(subpackage)
coverprofiles.append(coverprofile)
_run('go test -v'.split() + [
'-coverprofile={}'.format(coverprofile),
('{}/{}'.format(PACKAGE_NAME, subpackage)).rstrip('/')
])
combined_name = _combine_coverprofiles(coverprofiles)
_run('go tool cover -func={}'.format(combined_name))
os.remove(combined_name)
def _gfmrun():
go_version = check_output('go version'.split()).split()[2]
if go_version < 'go1.3':
print('runtests: skip on {}'.format(go_version), file=sys.stderr)
return
_run(['gfmrun', '-c', str(_gfmrun_count()), '-s', 'README.md'])
def _vet():
_run('go vet ./...')
def _toc():
_run('node_modules/.bin/markdown-toc -i README.md')
_run('git diff --exit-code')
def _gen():
go_version = check_output('go version'.split()).split()[2]
if go_version < 'go1.5':
print('runtests: skip on {}'.format(go_version), file=sys.stderr)
return
_run('go generate ./...')
_run('git diff --exit-code')
def _run(command):
if hasattr(command, 'split'):
command = command.split()
print('runtests: {}'.format(' '.join(command)), file=sys.stderr)
check_call(command)
def _gfmrun_count():
with open('README.md') as infile:
lines = infile.read().splitlines()
return len(filter(_is_go_runnable, lines))
def _is_go_runnable(line):
return line.startswith('package main')
def _combine_coverprofiles(coverprofiles):
combined = tempfile.NamedTemporaryFile(
suffix='.coverprofile', delete=False
)
combined.write('mode: set\n')
for coverprofile in coverprofiles:
with open(coverprofile, 'r') as infile:
for line in infile.readlines():
if not line.startswith('mode: '):
combined.write(line)
combined.flush()
name = combined.name
combined.close()
return name
if __name__ == '__main__':
sys.exit(main())

27
vendor/golang.org/x/sys/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/sys/PATENTS generated vendored Normal file
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@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

10
vendor/golang.org/x/sys/unix/asm.s generated vendored Normal file
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@ -0,0 +1,10 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
TEXT ·use(SB),NOSPLIT,$0
RET

29
vendor/golang.org/x/sys/unix/asm_darwin_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_darwin_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm.s generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm,darwin
#include "textflag.h"
//
// System call support for ARM, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm64.s generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm64,darwin
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_dragonfly_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, DragonFly
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-64
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-88
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-112
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-64
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-88
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_arm.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

35
vendor/golang.org/x/sys/unix/asm_linux_386.s generated vendored Normal file
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@ -0,0 +1,35 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for 386, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)
TEXT ·socketcall(SB),NOSPLIT,$0-36
JMP syscall·socketcall(SB)
TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
JMP syscall·rawsocketcall(SB)
TEXT ·seek(SB),NOSPLIT,$0-28
JMP syscall·seek(SB)

29
vendor/golang.org/x/sys/unix/asm_linux_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for AMD64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)
TEXT ·gettimeofday(SB),NOSPLIT,$0-16
JMP syscall·gettimeofday(SB)

29
vendor/golang.org/x/sys/unix/asm_linux_arm.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for arm, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)
TEXT ·seek(SB),NOSPLIT,$0-32
B syscall·seek(SB)

24
vendor/golang.org/x/sys/unix/asm_linux_arm64.s generated vendored Normal file
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@ -0,0 +1,24 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build arm64
// +build !gccgo
#include "textflag.h"
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_mips64x.s generated vendored Normal file
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@ -0,0 +1,28 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips64 mips64le
// +build !gccgo
#include "textflag.h"
//
// System calls for mips64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

31
vendor/golang.org/x/sys/unix/asm_linux_mipsx.s generated vendored Normal file
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@ -0,0 +1,31 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips mipsle
// +build !gccgo
#include "textflag.h"
//
// System calls for mips, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s generated vendored Normal file
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@ -0,0 +1,28 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build ppc64 ppc64le
// +build !gccgo
#include "textflag.h"
//
// System calls for ppc64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_s390x.s generated vendored Normal file
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@ -0,0 +1,28 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build s390x
// +build linux
// +build !gccgo
#include "textflag.h"
//
// System calls for s390x, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_arm.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

17
vendor/golang.org/x/sys/unix/asm_solaris_amd64.s generated vendored Normal file
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@ -0,0 +1,17 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for amd64, Solaris are implemented in runtime/syscall_solaris.go
//
TEXT ·sysvicall6(SB),NOSPLIT,$0-64
JMP syscall·sysvicall6(SB)
TEXT ·rawSysvicall6(SB),NOSPLIT,$0-64
JMP syscall·rawSysvicall6(SB)

35
vendor/golang.org/x/sys/unix/bluetooth_linux.go generated vendored Normal file
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@ -0,0 +1,35 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Bluetooth sockets and messages
package unix
// Bluetooth Protocols
const (
BTPROTO_L2CAP = 0
BTPROTO_HCI = 1
BTPROTO_SCO = 2
BTPROTO_RFCOMM = 3
BTPROTO_BNEP = 4
BTPROTO_CMTP = 5
BTPROTO_HIDP = 6
BTPROTO_AVDTP = 7
)
const (
HCI_CHANNEL_RAW = 0
HCI_CHANNEL_USER = 1
HCI_CHANNEL_MONITOR = 2
HCI_CHANNEL_CONTROL = 3
)
// Socketoption Level
const (
SOL_BLUETOOTH = 0x112
SOL_HCI = 0x0
SOL_L2CAP = 0x6
SOL_RFCOMM = 0x12
SOL_SCO = 0x11
)

13
vendor/golang.org/x/sys/unix/constants.go generated vendored Normal file
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@ -0,0 +1,13 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
const (
R_OK = 0x4
W_OK = 0x2
X_OK = 0x1
)

27
vendor/golang.org/x/sys/unix/env_unix.go generated vendored Normal file
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@ -0,0 +1,27 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Unix environment variables.
package unix
import "syscall"
func Getenv(key string) (value string, found bool) {
return syscall.Getenv(key)
}
func Setenv(key, value string) error {
return syscall.Setenv(key, value)
}
func Clearenv() {
syscall.Clearenv()
}
func Environ() []string {
return syscall.Environ()
}

14
vendor/golang.org/x/sys/unix/env_unset.go generated vendored Normal file
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@ -0,0 +1,14 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.4
package unix
import "syscall"
func Unsetenv(key string) error {
// This was added in Go 1.4.
return syscall.Unsetenv(key)
}

24
vendor/golang.org/x/sys/unix/flock.go generated vendored Normal file
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@ -0,0 +1,24 @@
// +build linux darwin freebsd openbsd netbsd dragonfly
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd
package unix
import "unsafe"
// fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
// systems by flock_linux_32bit.go to be SYS_FCNTL64.
var fcntl64Syscall uintptr = SYS_FCNTL
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
_, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))
if errno == 0 {
return nil
}
return errno
}

13
vendor/golang.org/x/sys/unix/flock_linux_32bit.go generated vendored Normal file
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@ -0,0 +1,13 @@
// +build linux,386 linux,arm linux,mips linux,mipsle
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
func init() {
// On 32-bit Linux systems, the fcntl syscall that matches Go's
// Flock_t type is SYS_FCNTL64, not SYS_FCNTL.
fcntl64Syscall = SYS_FCNTL64
}

46
vendor/golang.org/x/sys/unix/gccgo.go generated vendored Normal file
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@ -0,0 +1,46 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
package unix
import "syscall"
// We can't use the gc-syntax .s files for gccgo. On the plus side
// much of the functionality can be written directly in Go.
//extern gccgoRealSyscall
func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}
func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}

41
vendor/golang.org/x/sys/unix/gccgo_c.c generated vendored Normal file
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@ -0,0 +1,41 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#define _STRINGIFY2_(x) #x
#define _STRINGIFY_(x) _STRINGIFY2_(x)
#define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
// Call syscall from C code because the gccgo support for calling from
// Go to C does not support varargs functions.
struct ret {
uintptr_t r;
uintptr_t err;
};
struct ret
gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
{
struct ret r;
errno = 0;
r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
r.err = errno;
return r;
}
// Define the use function in C so that it is not inlined.
extern void use(void *) __asm__ (GOSYM_PREFIX GOPKGPATH ".use") __attribute__((noinline));
void
use(void *p __attribute__ ((unused)))
{
}

20
vendor/golang.org/x/sys/unix/gccgo_linux_amd64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo,linux,amd64
package unix
import "syscall"
//extern gettimeofday
func realGettimeofday(*Timeval, *byte) int32
func gettimeofday(tv *Timeval) (err syscall.Errno) {
r := realGettimeofday(tv, nil)
if r < 0 {
return syscall.GetErrno()
}
return 0
}

20
vendor/golang.org/x/sys/unix/gccgo_linux_sparc64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo,linux,sparc64
package unix
import "syscall"
//extern sysconf
func realSysconf(name int) int64
func sysconf(name int) (n int64, err syscall.Errno) {
r := realSysconf(name)
if r < 0 {
return 0, syscall.GetErrno()
}
return r, 0
}

292
vendor/golang.org/x/sys/unix/mkall.sh generated vendored Normal file
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@ -0,0 +1,292 @@
#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# The unix package provides access to the raw system call
# interface of the underlying operating system. Porting Go to
# a new architecture/operating system combination requires
# some manual effort, though there are tools that automate
# much of the process. The auto-generated files have names
# beginning with z.
#
# This script runs or (given -n) prints suggested commands to generate z files
# for the current system. Running those commands is not automatic.
# This script is documentation more than anything else.
#
# * asm_${GOOS}_${GOARCH}.s
#
# This hand-written assembly file implements system call dispatch.
# There are three entry points:
#
# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
#
# The first and second are the standard ones; they differ only in
# how many arguments can be passed to the kernel.
# The third is for low-level use by the ForkExec wrapper;
# unlike the first two, it does not call into the scheduler to
# let it know that a system call is running.
#
# * syscall_${GOOS}.go
#
# This hand-written Go file implements system calls that need
# special handling and lists "//sys" comments giving prototypes
# for ones that can be auto-generated. Mksyscall reads those
# comments to generate the stubs.
#
# * syscall_${GOOS}_${GOARCH}.go
#
# Same as syscall_${GOOS}.go except that it contains code specific
# to ${GOOS} on one particular architecture.
#
# * types_${GOOS}.c
#
# This hand-written C file includes standard C headers and then
# creates typedef or enum names beginning with a dollar sign
# (use of $ in variable names is a gcc extension). The hardest
# part about preparing this file is figuring out which headers to
# include and which symbols need to be #defined to get the
# actual data structures that pass through to the kernel system calls.
# Some C libraries present alternate versions for binary compatibility
# and translate them on the way in and out of system calls, but
# there is almost always a #define that can get the real ones.
# See types_darwin.c and types_linux.c for examples.
#
# * zerror_${GOOS}_${GOARCH}.go
#
# This machine-generated file defines the system's error numbers,
# error strings, and signal numbers. The generator is "mkerrors.sh".
# Usually no arguments are needed, but mkerrors.sh will pass its
# arguments on to godefs.
#
# * zsyscall_${GOOS}_${GOARCH}.go
#
# Generated by mksyscall.pl; see syscall_${GOOS}.go above.
#
# * zsysnum_${GOOS}_${GOARCH}.go
#
# Generated by mksysnum_${GOOS}.
#
# * ztypes_${GOOS}_${GOARCH}.go
#
# Generated by godefs; see types_${GOOS}.c above.
GOOSARCH="${GOOS}_${GOARCH}"
# defaults
mksyscall="./mksyscall.pl"
mkerrors="./mkerrors.sh"
zerrors="zerrors_$GOOSARCH.go"
mksysctl=""
zsysctl="zsysctl_$GOOSARCH.go"
mksysnum=
mktypes=
run="sh"
case "$1" in
-syscalls)
for i in zsyscall*go
do
sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
rm _$i
done
exit 0
;;
-n)
run="cat"
shift
esac
case "$#" in
0)
;;
*)
echo 'usage: mkall.sh [-n]' 1>&2
exit 2
esac
GOOSARCH_in=syscall_$GOOSARCH.go
case "$GOOSARCH" in
_* | *_ | _)
echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
exit 1
;;
darwin_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_amd64)
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_arm)
mkerrors="$mkerrors"
mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_arm64)
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
dragonfly_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -dragonfly"
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
dragonfly_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -dragonfly"
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_amd64)
mkerrors="$mkerrors -m64"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_arm)
mkerrors="$mkerrors"
mksyscall="./mksyscall.pl -l32 -arm"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
# Let the type of C char be signed for making the bare syscall
# API consistent across over platforms.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
linux_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32"
mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd_32.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
linux_amd64)
unistd_h=$(ls -1 /usr/include/asm/unistd_64.h /usr/include/x86_64-linux-gnu/asm/unistd_64.h 2>/dev/null | head -1)
if [ "$unistd_h" = "" ]; then
echo >&2 cannot find unistd_64.h
exit 1
fi
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
linux_arm)
mkerrors="$mkerrors"
mksyscall="./mksyscall.pl -l32 -arm"
mksysnum="curl -s 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/arch/arm/include/uapi/asm/unistd.h' | ./mksysnum_linux.pl -"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
linux_arm64)
unistd_h=$(ls -1 /usr/include/asm/unistd.h /usr/include/asm-generic/unistd.h 2>/dev/null | head -1)
if [ "$unistd_h" = "" ]; then
echo >&2 cannot find unistd_64.h
exit 1
fi
mksysnum="./mksysnum_linux.pl $unistd_h"
# Let the type of C char be signed for making the bare syscall
# API consistent across over platforms.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
linux_ppc64)
GOOSARCH_in=syscall_linux_ppc64x.go
unistd_h=/usr/include/asm/unistd.h
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
linux_ppc64le)
GOOSARCH_in=syscall_linux_ppc64x.go
unistd_h=/usr/include/powerpc64le-linux-gnu/asm/unistd.h
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
linux_s390x)
GOOSARCH_in=syscall_linux_s390x.go
unistd_h=/usr/include/asm/unistd.h
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
# Let the type of C char be signed to make the bare sys
# API more consistent between platforms.
# This is a deliberate departure from the way the syscall
# package generates its version of the types file.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
linux_sparc64)
GOOSARCH_in=syscall_linux_sparc64.go
unistd_h=/usr/include/sparc64-linux-gnu/asm/unistd.h
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
netbsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -netbsd"
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
netbsd_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -netbsd"
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
openbsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -openbsd"
mksysctl="./mksysctl_openbsd.pl"
zsysctl="zsysctl_openbsd.go"
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
openbsd_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -openbsd"
mksysctl="./mksysctl_openbsd.pl"
zsysctl="zsysctl_openbsd.go"
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
solaris_amd64)
mksyscall="./mksyscall_solaris.pl"
mkerrors="$mkerrors -m64"
mksysnum=
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
*)
echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
exit 1
;;
esac
(
if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
case "$GOOS" in
*)
syscall_goos="syscall_$GOOS.go"
case "$GOOS" in
darwin | dragonfly | freebsd | netbsd | openbsd)
syscall_goos="syscall_bsd.go $syscall_goos"
;;
esac
if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go"; fi
;;
esac
if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
if [ -n "$mktypes" ]; then
echo "echo // +build $GOARCH,$GOOS > ztypes_$GOOSARCH.go";
echo "$mktypes types_$GOOS.go | go run mkpost.go >>ztypes_$GOOSARCH.go";
fi
) | $run

485
vendor/golang.org/x/sys/unix/mkerrors.sh generated vendored Normal file
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@ -0,0 +1,485 @@
#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# Generate Go code listing errors and other #defined constant
# values (ENAMETOOLONG etc.), by asking the preprocessor
# about the definitions.
unset LANG
export LC_ALL=C
export LC_CTYPE=C
if test -z "$GOARCH" -o -z "$GOOS"; then
echo 1>&2 "GOARCH or GOOS not defined in environment"
exit 1
fi
CC=${CC:-cc}
if [[ "$GOOS" -eq "solaris" ]]; then
# Assumes GNU versions of utilities in PATH.
export PATH=/usr/gnu/bin:$PATH
fi
uname=$(uname)
includes_Darwin='
#define _DARWIN_C_SOURCE
#define KERNEL
#define _DARWIN_USE_64_BIT_INODE
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <termios.h>
'
includes_DragonFly='
#include <sys/types.h>
#include <sys/event.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <net/ip_mroute/ip_mroute.h>
'
includes_FreeBSD='
#include <sys/param.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <sys/extattr.h>
#if __FreeBSD__ >= 10
#define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
#undef SIOCAIFADDR
#define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data
#undef SIOCSIFPHYADDR
#define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data
#endif
'
includes_Linux='
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#ifndef __LP64__
#define _FILE_OFFSET_BITS 64
#endif
#define _GNU_SOURCE
#include <bits/sockaddr.h>
#include <sys/epoll.h>
#include <sys/inotify.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/if_tun.h>
#include <linux/if_packet.h>
#include <linux/if_addr.h>
#include <linux/filter.h>
#include <linux/netlink.h>
#include <linux/reboot.h>
#include <linux/rtnetlink.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/icmpv6.h>
#include <linux/serial.h>
#include <linux/can.h>
#include <net/route.h>
#include <asm/termbits.h>
#ifndef MSG_FASTOPEN
#define MSG_FASTOPEN 0x20000000
#endif
#ifndef PTRACE_GETREGS
#define PTRACE_GETREGS 0xc
#endif
#ifndef PTRACE_SETREGS
#define PTRACE_SETREGS 0xd
#endif
#ifdef SOL_BLUETOOTH
// SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
// but it is already in bluetooth_linux.go
#undef SOL_BLUETOOTH
#endif
'
includes_NetBSD='
#include <sys/types.h>
#include <sys/param.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/termios.h>
#include <sys/ttycom.h>
#include <sys/wait.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <netinet/if_ether.h>
// Needed since <sys/param.h> refers to it...
#define schedppq 1
'
includes_OpenBSD='
#include <sys/types.h>
#include <sys/param.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/termios.h>
#include <sys/ttycom.h>
#include <sys/wait.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_var.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <netinet/if_ether.h>
#include <net/if_bridge.h>
// We keep some constants not supported in OpenBSD 5.5 and beyond for
// the promise of compatibility.
#define EMUL_ENABLED 0x1
#define EMUL_NATIVE 0x2
#define IPV6_FAITH 0x1d
#define IPV6_OPTIONS 0x1
#define IPV6_RTHDR_STRICT 0x1
#define IPV6_SOCKOPT_RESERVED1 0x3
#define SIOCGIFGENERIC 0xc020693a
#define SIOCSIFGENERIC 0x80206939
#define WALTSIG 0x4
'
includes_SunOS='
#include <limits.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
'
includes='
#include <sys/types.h>
#include <sys/file.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/tcp.h>
#include <errno.h>
#include <sys/signal.h>
#include <signal.h>
#include <sys/resource.h>
#include <time.h>
'
ccflags="$@"
# Write go tool cgo -godefs input.
(
echo package unix
echo
echo '/*'
indirect="includes_$(uname)"
echo "${!indirect} $includes"
echo '*/'
echo 'import "C"'
echo 'import "syscall"'
echo
echo 'const ('
# The gcc command line prints all the #defines
# it encounters while processing the input
echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
awk '
$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers
$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
$2 ~ /^(SCM_SRCRT)$/ {next}
$2 ~ /^(MAP_FAILED)$/ {next}
$2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
$2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
$2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
$2 !~ /^ETH_/ &&
$2 !~ /^EPROC_/ &&
$2 !~ /^EQUIV_/ &&
$2 !~ /^EXPR_/ &&
$2 ~ /^E[A-Z0-9_]+$/ ||
$2 ~ /^B[0-9_]+$/ ||
$2 == "BOTHER" ||
$2 ~ /^CI?BAUD(EX)?$/ ||
$2 == "IBSHIFT" ||
$2 ~ /^V[A-Z0-9]+$/ ||
$2 ~ /^CS[A-Z0-9]/ ||
$2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
$2 ~ /^IGN/ ||
$2 ~ /^IX(ON|ANY|OFF)$/ ||
$2 ~ /^IN(LCR|PCK)$/ ||
$2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
$2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
$2 == "BRKINT" ||
$2 == "HUPCL" ||
$2 == "PENDIN" ||
$2 == "TOSTOP" ||
$2 == "XCASE" ||
$2 == "ALTWERASE" ||
$2 == "NOKERNINFO" ||
$2 ~ /^PAR/ ||
$2 ~ /^SIG[^_]/ ||
$2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
$2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
$2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
$2 ~ /^O?XTABS$/ ||
$2 ~ /^TC[IO](ON|OFF)$/ ||
$2 ~ /^IN_/ ||
$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
$2 == "ICMPV6_FILTER" ||
$2 == "SOMAXCONN" ||
$2 == "NAME_MAX" ||
$2 == "IFNAMSIZ" ||
$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||
$2 ~ /^SYSCTL_VERS/ ||
$2 ~ /^(MS|MNT)_/ ||
$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
$2 ~ /^(O|F|FD|NAME|S|PTRACE|PT)_/ ||
$2 ~ /^LINUX_REBOOT_CMD_/ ||
$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
$2 !~ "NLA_TYPE_MASK" &&
$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P)_/ ||
$2 ~ /^SIOC/ ||
$2 ~ /^TIOC/ ||
$2 ~ /^TCGET/ ||
$2 ~ /^TCSET/ ||
$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
$2 !~ "RTF_BITS" &&
$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
$2 ~ /^BIOC/ ||
$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|NOFILE|STACK)|RLIM_INFINITY/ ||
$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
$2 ~ /^CLONE_[A-Z_]+/ ||
$2 !~ /^(BPF_TIMEVAL)$/ &&
$2 ~ /^(BPF|DLT)_/ ||
$2 ~ /^CLOCK_/ ||
$2 ~ /^CAN_/ ||
$2 !~ "WMESGLEN" &&
$2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)}
$2 ~ /^__WCOREFLAG$/ {next}
$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
{next}
' | sort
echo ')'
) >_const.go
# Pull out the error names for later.
errors=$(
echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
sort
)
# Pull out the signal names for later.
signals=$(
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
sort
)
# Again, writing regexps to a file.
echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
sort >_error.grep
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
sort >_signal.grep
echo '// mkerrors.sh' "$@"
echo '// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT'
echo
echo "// +build ${GOARCH},${GOOS}"
echo
go tool cgo -godefs -- "$@" _const.go >_error.out
cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
echo
echo '// Errors'
echo 'const ('
cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
echo ')'
echo
echo '// Signals'
echo 'const ('
cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
echo ')'
# Run C program to print error and syscall strings.
(
echo -E "
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <signal.h>
#define nelem(x) (sizeof(x)/sizeof((x)[0]))
enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
int errors[] = {
"
for i in $errors
do
echo -E ' '$i,
done
echo -E "
};
int signals[] = {
"
for i in $signals
do
echo -E ' '$i,
done
# Use -E because on some systems bash builtin interprets \n itself.
echo -E '
};
static int
intcmp(const void *a, const void *b)
{
return *(int*)a - *(int*)b;
}
int
main(void)
{
int i, j, e;
char buf[1024], *p;
printf("\n\n// Error table\n");
printf("var errors = [...]string {\n");
qsort(errors, nelem(errors), sizeof errors[0], intcmp);
for(i=0; i<nelem(errors); i++) {
e = errors[i];
if(i > 0 && errors[i-1] == e)
continue;
strcpy(buf, strerror(e));
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
printf("\t%d: \"%s\",\n", e, buf);
}
printf("}\n\n");
printf("\n\n// Signal table\n");
printf("var signals = [...]string {\n");
qsort(signals, nelem(signals), sizeof signals[0], intcmp);
for(i=0; i<nelem(signals); i++) {
e = signals[i];
if(i > 0 && signals[i-1] == e)
continue;
strcpy(buf, strsignal(e));
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
// cut trailing : number.
p = strrchr(buf, ":"[0]);
if(p)
*p = '\0';
printf("\t%d: \"%s\",\n", e, buf);
}
printf("}\n\n");
return 0;
}
'
) >_errors.c
$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out

62
vendor/golang.org/x/sys/unix/mkpost.go generated vendored Normal file
View File

@ -0,0 +1,62 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// mkpost processes the output of cgo -godefs to
// modify the generated types. It is used to clean up
// the sys API in an architecture specific manner.
//
// mkpost is run after cgo -godefs by mkall.sh.
package main
import (
"fmt"
"go/format"
"io/ioutil"
"log"
"os"
"regexp"
)
func main() {
b, err := ioutil.ReadAll(os.Stdin)
if err != nil {
log.Fatal(err)
}
s := string(b)
goarch := os.Getenv("GOARCH")
goos := os.Getenv("GOOS")
if goarch == "s390x" && goos == "linux" {
// Export the types of PtraceRegs fields.
re := regexp.MustCompile("ptrace(Psw|Fpregs|Per)")
s = re.ReplaceAllString(s, "Ptrace$1")
// Replace padding fields inserted by cgo with blank identifiers.
re = regexp.MustCompile("Pad_cgo[A-Za-z0-9_]*")
s = re.ReplaceAllString(s, "_")
// Replace other unwanted fields with blank identifiers.
re = regexp.MustCompile("X_[A-Za-z0-9_]*")
s = re.ReplaceAllString(s, "_")
// Replace the control_regs union with a blank identifier for now.
re = regexp.MustCompile("(Control_regs)\\s+\\[0\\]uint64")
s = re.ReplaceAllString(s, "_ [0]uint64")
}
// gofmt
b, err = format.Source([]byte(s))
if err != nil {
log.Fatal(err)
}
// Append this command to the header to show where the new file
// came from.
re := regexp.MustCompile("(cgo -godefs [a-zA-Z0-9_]+\\.go.*)")
b = re.ReplaceAll(b, []byte("$1 | go run mkpost.go"))
fmt.Printf("%s", b)
}

323
vendor/golang.org/x/sys/unix/mksyscall.pl generated vendored Normal file
View File

@ -0,0 +1,323 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This program reads a file containing function prototypes
# (like syscall_darwin.go) and generates system call bodies.
# The prototypes are marked by lines beginning with "//sys"
# and read like func declarations if //sys is replaced by func, but:
# * The parameter lists must give a name for each argument.
# This includes return parameters.
# * The parameter lists must give a type for each argument:
# the (x, y, z int) shorthand is not allowed.
# * If the return parameter is an error number, it must be named errno.
# A line beginning with //sysnb is like //sys, except that the
# goroutine will not be suspended during the execution of the system
# call. This must only be used for system calls which can never
# block, as otherwise the system call could cause all goroutines to
# hang.
use strict;
my $cmdline = "mksyscall.pl " . join(' ', @ARGV);
my $errors = 0;
my $_32bit = "";
my $plan9 = 0;
my $openbsd = 0;
my $netbsd = 0;
my $dragonfly = 0;
my $arm = 0; # 64-bit value should use (even, odd)-pair
if($ARGV[0] eq "-b32") {
$_32bit = "big-endian";
shift;
} elsif($ARGV[0] eq "-l32") {
$_32bit = "little-endian";
shift;
}
if($ARGV[0] eq "-plan9") {
$plan9 = 1;
shift;
}
if($ARGV[0] eq "-openbsd") {
$openbsd = 1;
shift;
}
if($ARGV[0] eq "-netbsd") {
$netbsd = 1;
shift;
}
if($ARGV[0] eq "-dragonfly") {
$dragonfly = 1;
shift;
}
if($ARGV[0] eq "-arm") {
$arm = 1;
shift;
}
if($ARGV[0] =~ /^-/) {
print STDERR "usage: mksyscall.pl [-b32 | -l32] [file ...]\n";
exit 1;
}
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
sub parseparamlist($) {
my ($list) = @_;
$list =~ s/^\s*//;
$list =~ s/\s*$//;
if($list eq "") {
return ();
}
return split(/\s*,\s*/, $list);
}
sub parseparam($) {
my ($p) = @_;
if($p !~ /^(\S*) (\S*)$/) {
print STDERR "$ARGV:$.: malformed parameter: $p\n";
$errors = 1;
return ("xx", "int");
}
return ($1, $2);
}
my $text = "";
while(<>) {
chomp;
s/\s+/ /g;
s/^\s+//;
s/\s+$//;
my $nonblock = /^\/\/sysnb /;
next if !/^\/\/sys / && !$nonblock;
# Line must be of the form
# func Open(path string, mode int, perm int) (fd int, errno error)
# Split into name, in params, out params.
if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$/) {
print STDERR "$ARGV:$.: malformed //sys declaration\n";
$errors = 1;
next;
}
my ($func, $in, $out, $sysname) = ($2, $3, $4, $5);
# Split argument lists on comma.
my @in = parseparamlist($in);
my @out = parseparamlist($out);
# Try in vain to keep people from editing this file.
# The theory is that they jump into the middle of the file
# without reading the header.
$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
# Go function header.
my $out_decl = @out ? sprintf(" (%s)", join(', ', @out)) : "";
$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out_decl;
# Check if err return available
my $errvar = "";
foreach my $p (@out) {
my ($name, $type) = parseparam($p);
if($type eq "error") {
$errvar = $name;
last;
}
}
# Prepare arguments to Syscall.
my @args = ();
my @uses = ();
my $n = 0;
foreach my $p (@in) {
my ($name, $type) = parseparam($p);
if($type =~ /^\*/) {
push @args, "uintptr(unsafe.Pointer($name))";
} elsif($type eq "string" && $errvar ne "") {
$text .= "\tvar _p$n *byte\n";
$text .= "\t_p$n, $errvar = BytePtrFromString($name)\n";
$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
push @uses, "use(unsafe.Pointer(_p$n))";
$n++;
} elsif($type eq "string") {
print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
$text .= "\tvar _p$n *byte\n";
$text .= "\t_p$n, _ = BytePtrFromString($name)\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
push @uses, "use(unsafe.Pointer(_p$n))";
$n++;
} elsif($type =~ /^\[\](.*)/) {
# Convert slice into pointer, length.
# Have to be careful not to take address of &a[0] if len == 0:
# pass dummy pointer in that case.
# Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
$text .= "\tvar _p$n unsafe.Pointer\n";
$text .= "\tif len($name) > 0 {\n\t\t_p$n = unsafe.Pointer(\&${name}[0])\n\t}";
$text .= " else {\n\t\t_p$n = unsafe.Pointer(&_zero)\n\t}";
$text .= "\n";
push @args, "uintptr(_p$n)", "uintptr(len($name))";
$n++;
} elsif($type eq "int64" && ($openbsd || $netbsd)) {
push @args, "0";
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} elsif($_32bit eq "little-endian") {
push @args, "uintptr($name)", "uintptr($name>>32)";
} else {
push @args, "uintptr($name)";
}
} elsif($type eq "int64" && $dragonfly) {
if ($func !~ /^extp(read|write)/i) {
push @args, "0";
}
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} elsif($_32bit eq "little-endian") {
push @args, "uintptr($name)", "uintptr($name>>32)";
} else {
push @args, "uintptr($name)";
}
} elsif($type eq "int64" && $_32bit ne "") {
if(@args % 2 && $arm) {
# arm abi specifies 64-bit argument uses
# (even, odd) pair
push @args, "0"
}
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} else {
push @args, "uintptr($name)", "uintptr($name>>32)";
}
} else {
push @args, "uintptr($name)";
}
}
# Determine which form to use; pad args with zeros.
my $asm = "Syscall";
if ($nonblock) {
$asm = "RawSyscall";
}
if(@args <= 3) {
while(@args < 3) {
push @args, "0";
}
} elsif(@args <= 6) {
$asm .= "6";
while(@args < 6) {
push @args, "0";
}
} elsif(@args <= 9) {
$asm .= "9";
while(@args < 9) {
push @args, "0";
}
} else {
print STDERR "$ARGV:$.: too many arguments to system call\n";
}
# System call number.
if($sysname eq "") {
$sysname = "SYS_$func";
$sysname =~ s/([a-z])([A-Z])/${1}_$2/g; # turn FooBar into Foo_Bar
$sysname =~ y/a-z/A-Z/;
}
# Actual call.
my $args = join(', ', @args);
my $call = "$asm($sysname, $args)";
# Assign return values.
my $body = "";
my @ret = ("_", "_", "_");
my $do_errno = 0;
for(my $i=0; $i<@out; $i++) {
my $p = $out[$i];
my ($name, $type) = parseparam($p);
my $reg = "";
if($name eq "err" && !$plan9) {
$reg = "e1";
$ret[2] = $reg;
$do_errno = 1;
} elsif($name eq "err" && $plan9) {
$ret[0] = "r0";
$ret[2] = "e1";
next;
} else {
$reg = sprintf("r%d", $i);
$ret[$i] = $reg;
}
if($type eq "bool") {
$reg = "$reg != 0";
}
if($type eq "int64" && $_32bit ne "") {
# 64-bit number in r1:r0 or r0:r1.
if($i+2 > @out) {
print STDERR "$ARGV:$.: not enough registers for int64 return\n";
}
if($_32bit eq "big-endian") {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
} else {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
}
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
}
if($reg ne "e1" || $plan9) {
$body .= "\t$name = $type($reg)\n";
}
}
if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
$text .= "\t$call\n";
} else {
$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
}
foreach my $use (@uses) {
$text .= "\t$use\n";
}
$text .= $body;
if ($plan9 && $ret[2] eq "e1") {
$text .= "\tif int32(r0) == -1 {\n";
$text .= "\t\terr = e1\n";
$text .= "\t}\n";
} elsif ($do_errno) {
$text .= "\tif e1 != 0 {\n";
$text .= "\t\terr = errnoErr(e1)\n";
$text .= "\t}\n";
}
$text .= "\treturn\n";
$text .= "}\n\n";
}
chomp $text;
chomp $text;
if($errors) {
exit 1;
}
print <<EOF;
// $cmdline
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
import (
"syscall"
"unsafe"
)
var _ syscall.Errno
$text
EOF
exit 0;

294
vendor/golang.org/x/sys/unix/mksyscall_solaris.pl generated vendored Normal file
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@ -0,0 +1,294 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This program reads a file containing function prototypes
# (like syscall_solaris.go) and generates system call bodies.
# The prototypes are marked by lines beginning with "//sys"
# and read like func declarations if //sys is replaced by func, but:
# * The parameter lists must give a name for each argument.
# This includes return parameters.
# * The parameter lists must give a type for each argument:
# the (x, y, z int) shorthand is not allowed.
# * If the return parameter is an error number, it must be named err.
# * If go func name needs to be different than its libc name,
# * or the function is not in libc, name could be specified
# * at the end, after "=" sign, like
# //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
use strict;
my $cmdline = "mksyscall_solaris.pl " . join(' ', @ARGV);
my $errors = 0;
my $_32bit = "";
binmode STDOUT;
if($ARGV[0] eq "-b32") {
$_32bit = "big-endian";
shift;
} elsif($ARGV[0] eq "-l32") {
$_32bit = "little-endian";
shift;
}
if($ARGV[0] =~ /^-/) {
print STDERR "usage: mksyscall_solaris.pl [-b32 | -l32] [file ...]\n";
exit 1;
}
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
sub parseparamlist($) {
my ($list) = @_;
$list =~ s/^\s*//;
$list =~ s/\s*$//;
if($list eq "") {
return ();
}
return split(/\s*,\s*/, $list);
}
sub parseparam($) {
my ($p) = @_;
if($p !~ /^(\S*) (\S*)$/) {
print STDERR "$ARGV:$.: malformed parameter: $p\n";
$errors = 1;
return ("xx", "int");
}
return ($1, $2);
}
my $package = "";
my $text = "";
my $dynimports = "";
my $linknames = "";
my @vars = ();
while(<>) {
chomp;
s/\s+/ /g;
s/^\s+//;
s/\s+$//;
$package = $1 if !$package && /^package (\S+)$/;
my $nonblock = /^\/\/sysnb /;
next if !/^\/\/sys / && !$nonblock;
# Line must be of the form
# func Open(path string, mode int, perm int) (fd int, err error)
# Split into name, in params, out params.
if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
print STDERR "$ARGV:$.: malformed //sys declaration\n";
$errors = 1;
next;
}
my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
# Split argument lists on comma.
my @in = parseparamlist($in);
my @out = parseparamlist($out);
# So file name.
if($modname eq "") {
$modname = "libc";
}
# System call name.
if($sysname eq "") {
$sysname = "$func";
}
# System call pointer variable name.
my $sysvarname = "proc$sysname";
my $strconvfunc = "BytePtrFromString";
my $strconvtype = "*byte";
$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
# Runtime import of function to allow cross-platform builds.
$dynimports .= "//go:cgo_import_dynamic libc_${sysname} ${sysname} \"$modname.so\"\n";
# Link symbol to proc address variable.
$linknames .= "//go:linkname ${sysvarname} libc_${sysname}\n";
# Library proc address variable.
push @vars, $sysvarname;
# Go function header.
$out = join(', ', @out);
if($out ne "") {
$out = " ($out)";
}
if($text ne "") {
$text .= "\n"
}
$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out;
# Check if err return available
my $errvar = "";
foreach my $p (@out) {
my ($name, $type) = parseparam($p);
if($type eq "error") {
$errvar = $name;
last;
}
}
# Prepare arguments to Syscall.
my @args = ();
my @uses = ();
my $n = 0;
foreach my $p (@in) {
my ($name, $type) = parseparam($p);
if($type =~ /^\*/) {
push @args, "uintptr(unsafe.Pointer($name))";
} elsif($type eq "string" && $errvar ne "") {
$text .= "\tvar _p$n $strconvtype\n";
$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
push @uses, "use(unsafe.Pointer(_p$n))";
$n++;
} elsif($type eq "string") {
print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
$text .= "\tvar _p$n $strconvtype\n";
$text .= "\t_p$n, _ = $strconvfunc($name)\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
push @uses, "use(unsafe.Pointer(_p$n))";
$n++;
} elsif($type =~ /^\[\](.*)/) {
# Convert slice into pointer, length.
# Have to be careful not to take address of &a[0] if len == 0:
# pass nil in that case.
$text .= "\tvar _p$n *$1\n";
$text .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))", "uintptr(len($name))";
$n++;
} elsif($type eq "int64" && $_32bit ne "") {
if($_32bit eq "big-endian") {
push @args, "uintptr($name >> 32)", "uintptr($name)";
} else {
push @args, "uintptr($name)", "uintptr($name >> 32)";
}
} elsif($type eq "bool") {
$text .= "\tvar _p$n uint32\n";
$text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
push @args, "uintptr(_p$n)";
$n++;
} else {
push @args, "uintptr($name)";
}
}
my $nargs = @args;
# Determine which form to use; pad args with zeros.
my $asm = "sysvicall6";
if ($nonblock) {
$asm = "rawSysvicall6";
}
if(@args <= 6) {
while(@args < 6) {
push @args, "0";
}
} else {
print STDERR "$ARGV:$.: too many arguments to system call\n";
}
# Actual call.
my $args = join(', ', @args);
my $call = "$asm(uintptr(unsafe.Pointer(&$sysvarname)), $nargs, $args)";
# Assign return values.
my $body = "";
my $failexpr = "";
my @ret = ("_", "_", "_");
my @pout= ();
my $do_errno = 0;
for(my $i=0; $i<@out; $i++) {
my $p = $out[$i];
my ($name, $type) = parseparam($p);
my $reg = "";
if($name eq "err") {
$reg = "e1";
$ret[2] = $reg;
$do_errno = 1;
} else {
$reg = sprintf("r%d", $i);
$ret[$i] = $reg;
}
if($type eq "bool") {
$reg = "$reg != 0";
}
if($type eq "int64" && $_32bit ne "") {
# 64-bit number in r1:r0 or r0:r1.
if($i+2 > @out) {
print STDERR "$ARGV:$.: not enough registers for int64 return\n";
}
if($_32bit eq "big-endian") {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
} else {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
}
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
}
if($reg ne "e1") {
$body .= "\t$name = $type($reg)\n";
}
}
if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
$text .= "\t$call\n";
} else {
$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
}
foreach my $use (@uses) {
$text .= "\t$use\n";
}
$text .= $body;
if ($do_errno) {
$text .= "\tif e1 != 0 {\n";
$text .= "\t\terr = e1\n";
$text .= "\t}\n";
}
$text .= "\treturn\n";
$text .= "}\n";
}
if($errors) {
exit 1;
}
print <<EOF;
// $cmdline
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package $package
import (
"syscall"
"unsafe"
)
EOF
print "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
my $vardecls = "\t" . join(",\n\t", @vars);
$vardecls .= " syscallFunc";
chomp($_=<<EOF);
$dynimports
$linknames
var (
$vardecls
)
$text
EOF
print $_;
exit 0;

264
vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl generated vendored Normal file
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@ -0,0 +1,264 @@
#!/usr/bin/env perl
# Copyright 2011 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
#
# Build a MIB with each entry being an array containing the level, type and
# a hash that will contain additional entries if the current entry is a node.
# We then walk this MIB and create a flattened sysctl name to OID hash.
#
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $debug = 0;
my %ctls = ();
my @headers = qw (
sys/sysctl.h
sys/socket.h
sys/tty.h
sys/malloc.h
sys/mount.h
sys/namei.h
sys/sem.h
sys/shm.h
sys/vmmeter.h
uvm/uvm_param.h
uvm/uvm_swap_encrypt.h
ddb/db_var.h
net/if.h
net/if_pfsync.h
net/pipex.h
netinet/in.h
netinet/icmp_var.h
netinet/igmp_var.h
netinet/ip_ah.h
netinet/ip_carp.h
netinet/ip_divert.h
netinet/ip_esp.h
netinet/ip_ether.h
netinet/ip_gre.h
netinet/ip_ipcomp.h
netinet/ip_ipip.h
netinet/pim_var.h
netinet/tcp_var.h
netinet/udp_var.h
netinet6/in6.h
netinet6/ip6_divert.h
netinet6/pim6_var.h
netinet/icmp6.h
netmpls/mpls.h
);
my @ctls = qw (
kern
vm
fs
net
#debug # Special handling required
hw
#machdep # Arch specific
user
ddb
#vfs # Special handling required
fs.posix
kern.forkstat
kern.intrcnt
kern.malloc
kern.nchstats
kern.seminfo
kern.shminfo
kern.timecounter
kern.tty
kern.watchdog
net.bpf
net.ifq
net.inet
net.inet.ah
net.inet.carp
net.inet.divert
net.inet.esp
net.inet.etherip
net.inet.gre
net.inet.icmp
net.inet.igmp
net.inet.ip
net.inet.ip.ifq
net.inet.ipcomp
net.inet.ipip
net.inet.mobileip
net.inet.pfsync
net.inet.pim
net.inet.tcp
net.inet.udp
net.inet6
net.inet6.divert
net.inet6.ip6
net.inet6.icmp6
net.inet6.pim6
net.inet6.tcp6
net.inet6.udp6
net.mpls
net.mpls.ifq
net.key
net.pflow
net.pfsync
net.pipex
net.rt
vm.swapencrypt
#vfsgenctl # Special handling required
);
# Node name "fixups"
my %ctl_map = (
"ipproto" => "net.inet",
"net.inet.ipproto" => "net.inet",
"net.inet6.ipv6proto" => "net.inet6",
"net.inet6.ipv6" => "net.inet6.ip6",
"net.inet.icmpv6" => "net.inet6.icmp6",
"net.inet6.divert6" => "net.inet6.divert",
"net.inet6.tcp6" => "net.inet.tcp",
"net.inet6.udp6" => "net.inet.udp",
"mpls" => "net.mpls",
"swpenc" => "vm.swapencrypt"
);
# Node mappings
my %node_map = (
"net.inet.ip.ifq" => "net.ifq",
"net.inet.pfsync" => "net.pfsync",
"net.mpls.ifq" => "net.ifq"
);
my $ctlname;
my %mib = ();
my %sysctl = ();
my $node;
sub debug() {
print STDERR "$_[0]\n" if $debug;
}
# Walk the MIB and build a sysctl name to OID mapping.
sub build_sysctl() {
my ($node, $name, $oid) = @_;
my %node = %{$node};
my @oid = @{$oid};
foreach my $key (sort keys %node) {
my @node = @{$node{$key}};
my $nodename = $name.($name ne '' ? '.' : '').$key;
my @nodeoid = (@oid, $node[0]);
if ($node[1] eq 'CTLTYPE_NODE') {
if (exists $node_map{$nodename}) {
$node = \%mib;
$ctlname = $node_map{$nodename};
foreach my $part (split /\./, $ctlname) {
$node = \%{@{$$node{$part}}[2]};
}
} else {
$node = $node[2];
}
&build_sysctl($node, $nodename, \@nodeoid);
} elsif ($node[1] ne '') {
$sysctl{$nodename} = \@nodeoid;
}
}
}
foreach my $ctl (@ctls) {
$ctls{$ctl} = $ctl;
}
# Build MIB
foreach my $header (@headers) {
&debug("Processing $header...");
open HEADER, "/usr/include/$header" ||
print STDERR "Failed to open $header\n";
while (<HEADER>) {
if ($_ =~ /^#define\s+(CTL_NAMES)\s+{/ ||
$_ =~ /^#define\s+(CTL_(.*)_NAMES)\s+{/ ||
$_ =~ /^#define\s+((.*)CTL_NAMES)\s+{/) {
if ($1 eq 'CTL_NAMES') {
# Top level.
$node = \%mib;
} else {
# Node.
my $nodename = lc($2);
if ($header =~ /^netinet\//) {
$ctlname = "net.inet.$nodename";
} elsif ($header =~ /^netinet6\//) {
$ctlname = "net.inet6.$nodename";
} elsif ($header =~ /^net\//) {
$ctlname = "net.$nodename";
} else {
$ctlname = "$nodename";
$ctlname =~ s/^(fs|net|kern)_/$1\./;
}
if (exists $ctl_map{$ctlname}) {
$ctlname = $ctl_map{$ctlname};
}
if (not exists $ctls{$ctlname}) {
&debug("Ignoring $ctlname...");
next;
}
# Walk down from the top of the MIB.
$node = \%mib;
foreach my $part (split /\./, $ctlname) {
if (not exists $$node{$part}) {
&debug("Missing node $part");
$$node{$part} = [ 0, '', {} ];
}
$node = \%{@{$$node{$part}}[2]};
}
}
# Populate current node with entries.
my $i = -1;
while (defined($_) && $_ !~ /^}/) {
$_ = <HEADER>;
$i++ if $_ =~ /{.*}/;
next if $_ !~ /{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}/;
$$node{$1} = [ $i, $2, {} ];
}
}
}
close HEADER;
}
&build_sysctl(\%mib, "", []);
print <<EOF;
// mksysctl_openbsd.pl
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix;
type mibentry struct {
ctlname string
ctloid []_C_int
}
var sysctlMib = []mibentry {
EOF
foreach my $name (sort keys %sysctl) {
my @oid = @{$sysctl{$name}};
print "\t{ \"$name\", []_C_int{ ", join(', ', @oid), " } }, \n";
}
print <<EOF;
}
EOF

39
vendor/golang.org/x/sys/unix/mksysnum_darwin.pl generated vendored Normal file
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@ -0,0 +1,39 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for Darwin from sys/syscall.h
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_darwin.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^#define\s+SYS_(\w+)\s+([0-9]+)/){
my $name = $1;
my $num = $2;
$name =~ y/a-z/A-Z/;
print " SYS_$name = $num;"
}
}
print <<EOF;
)
EOF

50
vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl generated vendored Normal file
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@ -0,0 +1,50 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for DragonFly from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
my $num = $1;
my $proto = $2;
my $name = "SYS_$3";
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
print " $name = $num; // $proto\n";
}
}
print <<EOF;
)
EOF

63
vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl generated vendored Normal file
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@ -0,0 +1,63 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for FreeBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+\S+\s+STD\s+({ \S+\s+(\w+).*)$/){
my $num = $1;
my $proto = $2;
my $name = "SYS_$3";
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
if($name =~ /^SYS_CAP_+/ || $name =~ /^SYS___CAP_+/){
next
}
print " $name = $num; // $proto\n";
# We keep Capsicum syscall numbers for FreeBSD
# 9-STABLE here because we are not sure whether they
# are mature and stable.
if($num == 513){
print " SYS_CAP_NEW = 514 // { int cap_new(int fd, uint64_t rights); }\n";
print " SYS_CAP_GETRIGHTS = 515 // { int cap_getrights(int fd, \\\n";
print " SYS_CAP_ENTER = 516 // { int cap_enter(void); }\n";
print " SYS_CAP_GETMODE = 517 // { int cap_getmode(u_int *modep); }\n";
}
}
}
print <<EOF;
)
EOF

68
vendor/golang.org/x/sys/unix/mksysnum_linux.pl generated vendored Normal file
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@ -0,0 +1,68 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_linux.pl ". join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const(
EOF
my $offset = 0;
sub fmt {
my ($name, $num) = @_;
if($num > 999){
# ignore deprecated syscalls that are no longer implemented
# https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716
return;
}
$name =~ y/a-z/A-Z/;
$num = $num + $offset;
print " SYS_$name = $num;\n";
}
my $prev;
open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc";
while(<GCC>){
if(/^#define __NR_Linux\s+([0-9]+)/){
# mips/mips64: extract offset
$offset = $1;
}
elsif(/^#define __NR_syscalls\s+/) {
# ignore redefinitions of __NR_syscalls
}
elsif(/^#define __NR_(\w+)\s+([0-9]+)/){
$prev = $2;
fmt($1, $2);
}
elsif(/^#define __NR3264_(\w+)\s+([0-9]+)/){
$prev = $2;
fmt($1, $2);
}
elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){
fmt($1, $prev+$2)
}
elsif(/^#define __NR_(\w+)\s+\(__NR_Linux \+ ([0-9]+)/){
fmt($1, $2);
}
}
print <<EOF;
)
EOF

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vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl generated vendored Normal file
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#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_netbsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
my $line = '';
while(<>){
if($line =~ /^(.*)\\$/) {
# Handle continuation
$line = $1;
$_ =~ s/^\s+//;
$line .= $_;
} else {
# New line
$line = $_;
}
next if $line =~ /\\$/;
if($line =~ /^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$/) {
my $num = $1;
my $proto = $6;
my $compat = $8;
my $name = "$7_$9";
$name = "$7_$11" if $11 ne '';
$name =~ y/a-z/A-Z/;
if($compat eq '' || $compat eq '30' || $compat eq '50') {
print " $name = $num; // $proto\n";
}
}
}
print <<EOF;
)
EOF

50
vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl generated vendored Normal file
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#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_openbsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$/){
my $num = $1;
my $proto = $3;
my $name = $4;
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
print " $name = $num; // $proto\n";
}
}
print <<EOF;
)
EOF

30
vendor/golang.org/x/sys/unix/race.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,race linux,race freebsd,race
package unix
import (
"runtime"
"unsafe"
)
const raceenabled = true
func raceAcquire(addr unsafe.Pointer) {
runtime.RaceAcquire(addr)
}
func raceReleaseMerge(addr unsafe.Pointer) {
runtime.RaceReleaseMerge(addr)
}
func raceReadRange(addr unsafe.Pointer, len int) {
runtime.RaceReadRange(addr, len)
}
func raceWriteRange(addr unsafe.Pointer, len int) {
runtime.RaceWriteRange(addr, len)
}

25
vendor/golang.org/x/sys/unix/race0.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
package unix
import (
"unsafe"
)
const raceenabled = false
func raceAcquire(addr unsafe.Pointer) {
}
func raceReleaseMerge(addr unsafe.Pointer) {
}
func raceReadRange(addr unsafe.Pointer, len int) {
}
func raceWriteRange(addr unsafe.Pointer, len int) {
}

36
vendor/golang.org/x/sys/unix/sockcmsg_linux.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Socket control messages
package unix
import "unsafe"
// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {
b := make([]byte, CmsgSpace(SizeofUcred))
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = SOL_SOCKET
h.Type = SCM_CREDENTIALS
h.SetLen(CmsgLen(SizeofUcred))
*((*Ucred)(cmsgData(h))) = *ucred
return b
}
// ParseUnixCredentials decodes a socket control message that contains
// credentials in a Ucred structure. To receive such a message, the
// SO_PASSCRED option must be enabled on the socket.
func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) {
if m.Header.Level != SOL_SOCKET {
return nil, EINVAL
}
if m.Header.Type != SCM_CREDENTIALS {
return nil, EINVAL
}
ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
return &ucred, nil
}

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vendor/golang.org/x/sys/unix/sockcmsg_unix.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Socket control messages
package unix
import "unsafe"
// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
salign := sizeofPtr
// NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels
// still require 32-bit aligned access to network subsystem.
if darwin64Bit || dragonfly64Bit {
salign = 4
}
return (salen + salign - 1) & ^(salign - 1)
}
// CmsgLen returns the value to store in the Len field of the Cmsghdr
// structure, taking into account any necessary alignment.
func CmsgLen(datalen int) int {
return cmsgAlignOf(SizeofCmsghdr) + datalen
}
// CmsgSpace returns the number of bytes an ancillary element with
// payload of the passed data length occupies.
func CmsgSpace(datalen int) int {
return cmsgAlignOf(SizeofCmsghdr) + cmsgAlignOf(datalen)
}
func cmsgData(h *Cmsghdr) unsafe.Pointer {
return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
}
// SocketControlMessage represents a socket control message.
type SocketControlMessage struct {
Header Cmsghdr
Data []byte
}
// ParseSocketControlMessage parses b as an array of socket control
// messages.
func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
var msgs []SocketControlMessage
i := 0
for i+CmsgLen(0) <= len(b) {
h, dbuf, err := socketControlMessageHeaderAndData(b[i:])
if err != nil {
return nil, err
}
m := SocketControlMessage{Header: *h, Data: dbuf}
msgs = append(msgs, m)
i += cmsgAlignOf(int(h.Len))
}
return msgs, nil
}
func socketControlMessageHeaderAndData(b []byte) (*Cmsghdr, []byte, error) {
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
if h.Len < SizeofCmsghdr || uint64(h.Len) > uint64(len(b)) {
return nil, nil, EINVAL
}
return h, b[cmsgAlignOf(SizeofCmsghdr):h.Len], nil
}
// UnixRights encodes a set of open file descriptors into a socket
// control message for sending to another process.
func UnixRights(fds ...int) []byte {
datalen := len(fds) * 4
b := make([]byte, CmsgSpace(datalen))
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = SOL_SOCKET
h.Type = SCM_RIGHTS
h.SetLen(CmsgLen(datalen))
data := cmsgData(h)
for _, fd := range fds {
*(*int32)(data) = int32(fd)
data = unsafe.Pointer(uintptr(data) + 4)
}
return b
}
// ParseUnixRights decodes a socket control message that contains an
// integer array of open file descriptors from another process.
func ParseUnixRights(m *SocketControlMessage) ([]int, error) {
if m.Header.Level != SOL_SOCKET {
return nil, EINVAL
}
if m.Header.Type != SCM_RIGHTS {
return nil, EINVAL
}
fds := make([]int, len(m.Data)>>2)
for i, j := 0, 0; i < len(m.Data); i += 4 {
fds[j] = int(*(*int32)(unsafe.Pointer(&m.Data[i])))
j++
}
return fds, nil
}

26
vendor/golang.org/x/sys/unix/str.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
func itoa(val int) string { // do it here rather than with fmt to avoid dependency
if val < 0 {
return "-" + uitoa(uint(-val))
}
return uitoa(uint(val))
}
func uitoa(val uint) string {
var buf [32]byte // big enough for int64
i := len(buf) - 1
for val >= 10 {
buf[i] = byte(val%10 + '0')
i--
val /= 10
}
buf[i] = byte(val + '0')
return string(buf[i:])
}

76
vendor/golang.org/x/sys/unix/syscall.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Package unix contains an interface to the low-level operating system
// primitives. OS details vary depending on the underlying system, and
// by default, godoc will display OS-specific documentation for the current
// system. If you want godoc to display OS documentation for another
// system, set $GOOS and $GOARCH to the desired system. For example, if
// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
// to freebsd and $GOARCH to arm.
// The primary use of this package is inside other packages that provide a more
// portable interface to the system, such as "os", "time" and "net". Use
// those packages rather than this one if you can.
// For details of the functions and data types in this package consult
// the manuals for the appropriate operating system.
// These calls return err == nil to indicate success; otherwise
// err represents an operating system error describing the failure and
// holds a value of type syscall.Errno.
package unix // import "golang.org/x/sys/unix"
import "unsafe"
// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
for i := 0; i < len(s); i++ {
if s[i] == 0 {
return nil, EINVAL
}
}
a := make([]byte, len(s)+1)
copy(a, s)
return a, nil
}
// BytePtrFromString returns a pointer to a NUL-terminated array of
// bytes containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func BytePtrFromString(s string) (*byte, error) {
a, err := ByteSliceFromString(s)
if err != nil {
return nil, err
}
return &a[0], nil
}
// Single-word zero for use when we need a valid pointer to 0 bytes.
// See mkunix.pl.
var _zero uintptr
func (ts *Timespec) Unix() (sec int64, nsec int64) {
return int64(ts.Sec), int64(ts.Nsec)
}
func (tv *Timeval) Unix() (sec int64, nsec int64) {
return int64(tv.Sec), int64(tv.Usec) * 1000
}
func (ts *Timespec) Nano() int64 {
return int64(ts.Sec)*1e9 + int64(ts.Nsec)
}
func (tv *Timeval) Nano() int64 {
return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
}
func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
// use is a no-op, but the compiler cannot see that it is.
// Calling use(p) ensures that p is kept live until that point.
//go:noescape
func use(p unsafe.Pointer)

614
vendor/golang.org/x/sys/unix/syscall_bsd.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd netbsd openbsd
// BSD system call wrappers shared by *BSD based systems
// including OS X (Darwin) and FreeBSD. Like the other
// syscall_*.go files it is compiled as Go code but also
// used as input to mksyscall which parses the //sys
// lines and generates system call stubs.
package unix
import (
"runtime"
"syscall"
"unsafe"
)
/*
* Wrapped
*/
//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error)
//sysnb setgroups(ngid int, gid *_Gid_t) (err error)
func Getgroups() (gids []int, err error) {
n, err := getgroups(0, nil)
if err != nil {
return nil, err
}
if n == 0 {
return nil, nil
}
// Sanity check group count. Max is 16 on BSD.
if n < 0 || n > 1000 {
return nil, EINVAL
}
a := make([]_Gid_t, n)
n, err = getgroups(n, &a[0])
if err != nil {
return nil, err
}
gids = make([]int, n)
for i, v := range a[0:n] {
gids[i] = int(v)
}
return
}
func Setgroups(gids []int) (err error) {
if len(gids) == 0 {
return setgroups(0, nil)
}
a := make([]_Gid_t, len(gids))
for i, v := range gids {
a[i] = _Gid_t(v)
}
return setgroups(len(a), &a[0])
}
func ReadDirent(fd int, buf []byte) (n int, err error) {
// Final argument is (basep *uintptr) and the syscall doesn't take nil.
// 64 bits should be enough. (32 bits isn't even on 386). Since the
// actual system call is getdirentries64, 64 is a good guess.
// TODO(rsc): Can we use a single global basep for all calls?
var base = (*uintptr)(unsafe.Pointer(new(uint64)))
return Getdirentries(fd, buf, base)
}
// Wait status is 7 bits at bottom, either 0 (exited),
// 0x7F (stopped), or a signal number that caused an exit.
// The 0x80 bit is whether there was a core dump.
// An extra number (exit code, signal causing a stop)
// is in the high bits.
type WaitStatus uint32
const (
mask = 0x7F
core = 0x80
shift = 8
exited = 0
stopped = 0x7F
)
func (w WaitStatus) Exited() bool { return w&mask == exited }
func (w WaitStatus) ExitStatus() int {
if w&mask != exited {
return -1
}
return int(w >> shift)
}
func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }
func (w WaitStatus) Signal() syscall.Signal {
sig := syscall.Signal(w & mask)
if sig == stopped || sig == 0 {
return -1
}
return sig
}
func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
func (w WaitStatus) StopSignal() syscall.Signal {
if !w.Stopped() {
return -1
}
return syscall.Signal(w>>shift) & 0xFF
}
func (w WaitStatus) TrapCause() int { return -1 }
//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
var status _C_int
wpid, err = wait4(pid, &status, options, rusage)
if wstatus != nil {
*wstatus = WaitStatus(status)
}
return
}
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sysnb socket(domain int, typ int, proto int) (fd int, err error)
//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
//sys Shutdown(s int, how int) (err error)
func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return nil, 0, EINVAL
}
sa.raw.Len = SizeofSockaddrInet4
sa.raw.Family = AF_INET
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return nil, 0, EINVAL
}
sa.raw.Len = SizeofSockaddrInet6
sa.raw.Family = AF_INET6
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
sa.raw.Scope_id = sa.ZoneId
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
name := sa.Name
n := len(name)
if n >= len(sa.raw.Path) || n == 0 {
return nil, 0, EINVAL
}
sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
sa.raw.Family = AF_UNIX
for i := 0; i < n; i++ {
sa.raw.Path[i] = int8(name[i])
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Index == 0 {
return nil, 0, EINVAL
}
sa.raw.Len = sa.Len
sa.raw.Family = AF_LINK
sa.raw.Index = sa.Index
sa.raw.Type = sa.Type
sa.raw.Nlen = sa.Nlen
sa.raw.Alen = sa.Alen
sa.raw.Slen = sa.Slen
for i := 0; i < len(sa.raw.Data); i++ {
sa.raw.Data[i] = sa.Data[i]
}
return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
}
func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
switch rsa.Addr.Family {
case AF_LINK:
pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
sa := new(SockaddrDatalink)
sa.Len = pp.Len
sa.Family = pp.Family
sa.Index = pp.Index
sa.Type = pp.Type
sa.Nlen = pp.Nlen
sa.Alen = pp.Alen
sa.Slen = pp.Slen
for i := 0; i < len(sa.Data); i++ {
sa.Data[i] = pp.Data[i]
}
return sa, nil
case AF_UNIX:
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
if pp.Len < 2 || pp.Len > SizeofSockaddrUnix {
return nil, EINVAL
}
sa := new(SockaddrUnix)
// Some BSDs include the trailing NUL in the length, whereas
// others do not. Work around this by subtracting the leading
// family and len. The path is then scanned to see if a NUL
// terminator still exists within the length.
n := int(pp.Len) - 2 // subtract leading Family, Len
for i := 0; i < n; i++ {
if pp.Path[i] == 0 {
// found early NUL; assume Len included the NUL
// or was overestimating.
n = i
break
}
}
bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
sa.Name = string(bytes)
return sa, nil
case AF_INET:
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
sa := new(SockaddrInet4)
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
return sa, nil
case AF_INET6:
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
sa := new(SockaddrInet6)
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
sa.ZoneId = pp.Scope_id
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
return sa, nil
}
return nil, EAFNOSUPPORT
}
func Accept(fd int) (nfd int, sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
nfd, err = accept(fd, &rsa, &len)
if err != nil {
return
}
if runtime.GOOS == "darwin" && len == 0 {
// Accepted socket has no address.
// This is likely due to a bug in xnu kernels,
// where instead of ECONNABORTED error socket
// is accepted, but has no address.
Close(nfd)
return 0, nil, ECONNABORTED
}
sa, err = anyToSockaddr(&rsa)
if err != nil {
Close(nfd)
nfd = 0
}
return
}
func Getsockname(fd int) (sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
if err = getsockname(fd, &rsa, &len); err != nil {
return
}
// TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be
// reported upstream.
if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 {
rsa.Addr.Family = AF_UNIX
rsa.Addr.Len = SizeofSockaddrUnix
}
return anyToSockaddr(&rsa)
}
//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
func GetsockoptByte(fd, level, opt int) (value byte, err error) {
var n byte
vallen := _Socklen(1)
err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
return n, err
}
func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
vallen := _Socklen(4)
err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
return value, err
}
func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
var value IPMreq
vallen := _Socklen(SizeofIPMreq)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
var value IPv6Mreq
vallen := _Socklen(SizeofIPv6Mreq)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
var value IPv6MTUInfo
vallen := _Socklen(SizeofIPv6MTUInfo)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
var value ICMPv6Filter
vallen := _Socklen(SizeofICMPv6Filter)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
var msg Msghdr
var rsa RawSockaddrAny
msg.Name = (*byte)(unsafe.Pointer(&rsa))
msg.Namelen = uint32(SizeofSockaddrAny)
var iov Iovec
if len(p) > 0 {
iov.Base = (*byte)(unsafe.Pointer(&p[0]))
iov.SetLen(len(p))
}
var dummy byte
if len(oob) > 0 {
// receive at least one normal byte
if len(p) == 0 {
iov.Base = &dummy
iov.SetLen(1)
}
msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
msg.SetControllen(len(oob))
}
msg.Iov = &iov
msg.Iovlen = 1
if n, err = recvmsg(fd, &msg, flags); err != nil {
return
}
oobn = int(msg.Controllen)
recvflags = int(msg.Flags)
// source address is only specified if the socket is unconnected
if rsa.Addr.Family != AF_UNSPEC {
from, err = anyToSockaddr(&rsa)
}
return
}
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
_, err = SendmsgN(fd, p, oob, to, flags)
return
}
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
var ptr unsafe.Pointer
var salen _Socklen
if to != nil {
ptr, salen, err = to.sockaddr()
if err != nil {
return 0, err
}
}
var msg Msghdr
msg.Name = (*byte)(unsafe.Pointer(ptr))
msg.Namelen = uint32(salen)
var iov Iovec
if len(p) > 0 {
iov.Base = (*byte)(unsafe.Pointer(&p[0]))
iov.SetLen(len(p))
}
var dummy byte
if len(oob) > 0 {
// send at least one normal byte
if len(p) == 0 {
iov.Base = &dummy
iov.SetLen(1)
}
msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
msg.SetControllen(len(oob))
}
msg.Iov = &iov
msg.Iovlen = 1
if n, err = sendmsg(fd, &msg, flags); err != nil {
return 0, err
}
if len(oob) > 0 && len(p) == 0 {
n = 0
}
return n, nil
}
//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
var change, event unsafe.Pointer
if len(changes) > 0 {
change = unsafe.Pointer(&changes[0])
}
if len(events) > 0 {
event = unsafe.Pointer(&events[0])
}
return kevent(kq, change, len(changes), event, len(events), timeout)
}
//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
// sysctlmib translates name to mib number and appends any additional args.
func sysctlmib(name string, args ...int) ([]_C_int, error) {
// Translate name to mib number.
mib, err := nametomib(name)
if err != nil {
return nil, err
}
for _, a := range args {
mib = append(mib, _C_int(a))
}
return mib, nil
}
func Sysctl(name string) (string, error) {
return SysctlArgs(name)
}
func SysctlArgs(name string, args ...int) (string, error) {
buf, err := SysctlRaw(name, args...)
if err != nil {
return "", err
}
n := len(buf)
// Throw away terminating NUL.
if n > 0 && buf[n-1] == '\x00' {
n--
}
return string(buf[0:n]), nil
}
func SysctlUint32(name string) (uint32, error) {
return SysctlUint32Args(name)
}
func SysctlUint32Args(name string, args ...int) (uint32, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return 0, err
}
n := uintptr(4)
buf := make([]byte, 4)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return 0, err
}
if n != 4 {
return 0, EIO
}
return *(*uint32)(unsafe.Pointer(&buf[0])), nil
}
func SysctlUint64(name string, args ...int) (uint64, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return 0, err
}
n := uintptr(8)
buf := make([]byte, 8)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return 0, err
}
if n != 8 {
return 0, EIO
}
return *(*uint64)(unsafe.Pointer(&buf[0])), nil
}
func SysctlRaw(name string, args ...int) ([]byte, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return nil, err
}
// Find size.
n := uintptr(0)
if err := sysctl(mib, nil, &n, nil, 0); err != nil {
return nil, err
}
if n == 0 {
return nil, nil
}
// Read into buffer of that size.
buf := make([]byte, n)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return nil, err
}
// The actual call may return less than the original reported required
// size so ensure we deal with that.
return buf[:n], nil
}
//sys utimes(path string, timeval *[2]Timeval) (err error)
func Utimes(path string, tv []Timeval) error {
if tv == nil {
return utimes(path, nil)
}
if len(tv) != 2 {
return EINVAL
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
func UtimesNano(path string, ts []Timespec) error {
if ts == nil {
return utimes(path, nil)
}
// TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it
// isn't supported by darwin so this uses utimes instead
if len(ts) != 2 {
return EINVAL
}
// Not as efficient as it could be because Timespec and
// Timeval have different types in the different OSes
tv := [2]Timeval{
NsecToTimeval(TimespecToNsec(ts[0])),
NsecToTimeval(TimespecToNsec(ts[1])),
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys futimes(fd int, timeval *[2]Timeval) (err error)
func Futimes(fd int, tv []Timeval) error {
if tv == nil {
return futimes(fd, nil)
}
if len(tv) != 2 {
return EINVAL
}
return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys fcntl(fd int, cmd int, arg int) (val int, err error)
// TODO: wrap
// Acct(name nil-string) (err error)
// Gethostuuid(uuid *byte, timeout *Timespec) (err error)
// Madvise(addr *byte, len int, behav int) (err error)
// Mprotect(addr *byte, len int, prot int) (err error)
// Msync(addr *byte, len int, flags int) (err error)
// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)
var mapper = &mmapper{
active: make(map[*byte][]byte),
mmap: mmap,
munmap: munmap,
}
func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
return mapper.Mmap(fd, offset, length, prot, flags)
}
func Munmap(b []byte) (err error) {
return mapper.Munmap(b)
}

511
vendor/golang.org/x/sys/unix/syscall_darwin.go generated vendored Normal file
View File

@ -0,0 +1,511 @@
// Copyright 2009,2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Darwin system calls.
// This file is compiled as ordinary Go code,
// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and wrap
// it in our own nicer implementation, either here or in
// syscall_bsd.go or syscall_unix.go.
package unix
import (
errorspkg "errors"
"syscall"
"unsafe"
)
const ImplementsGetwd = true
func Getwd() (string, error) {
buf := make([]byte, 2048)
attrs, err := getAttrList(".", attrList{CommonAttr: attrCmnFullpath}, buf, 0)
if err == nil && len(attrs) == 1 && len(attrs[0]) >= 2 {
wd := string(attrs[0])
// Sanity check that it's an absolute path and ends
// in a null byte, which we then strip.
if wd[0] == '/' && wd[len(wd)-1] == 0 {
return wd[:len(wd)-1], nil
}
}
// If pkg/os/getwd.go gets ENOTSUP, it will fall back to the
// slow algorithm.
return "", ENOTSUP
}
type SockaddrDatalink struct {
Len uint8
Family uint8
Index uint16
Type uint8
Nlen uint8
Alen uint8
Slen uint8
Data [12]int8
raw RawSockaddrDatalink
}
// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
const siz = unsafe.Sizeof(mib[0])
// NOTE(rsc): It seems strange to set the buffer to have
// size CTL_MAXNAME+2 but use only CTL_MAXNAME
// as the size. I don't know why the +2 is here, but the
// kernel uses +2 for its own implementation of this function.
// I am scared that if we don't include the +2 here, the kernel
// will silently write 2 words farther than we specify
// and we'll get memory corruption.
var buf [CTL_MAXNAME + 2]_C_int
n := uintptr(CTL_MAXNAME) * siz
p := (*byte)(unsafe.Pointer(&buf[0]))
bytes, err := ByteSliceFromString(name)
if err != nil {
return nil, err
}
// Magic sysctl: "setting" 0.3 to a string name
// lets you read back the array of integers form.
if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil {
return nil, err
}
return buf[0 : n/siz], nil
}
// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
origlen := len(buf)
for max != 0 && len(buf) > 0 {
dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
if dirent.Reclen == 0 {
buf = nil
break
}
buf = buf[dirent.Reclen:]
if dirent.Ino == 0 { // File absent in directory.
continue
}
bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
var name = string(bytes[0:dirent.Namlen])
if name == "." || name == ".." { // Useless names
continue
}
max--
count++
names = append(names, name)
}
return origlen - len(buf), count, names
}
//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
const (
attrBitMapCount = 5
attrCmnFullpath = 0x08000000
)
type attrList struct {
bitmapCount uint16
_ uint16
CommonAttr uint32
VolAttr uint32
DirAttr uint32
FileAttr uint32
Forkattr uint32
}
func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
if len(attrBuf) < 4 {
return nil, errorspkg.New("attrBuf too small")
}
attrList.bitmapCount = attrBitMapCount
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return nil, err
}
_, _, e1 := Syscall6(
SYS_GETATTRLIST,
uintptr(unsafe.Pointer(_p0)),
uintptr(unsafe.Pointer(&attrList)),
uintptr(unsafe.Pointer(&attrBuf[0])),
uintptr(len(attrBuf)),
uintptr(options),
0,
)
use(unsafe.Pointer(_p0))
if e1 != 0 {
return nil, e1
}
size := *(*uint32)(unsafe.Pointer(&attrBuf[0]))
// dat is the section of attrBuf that contains valid data,
// without the 4 byte length header. All attribute offsets
// are relative to dat.
dat := attrBuf
if int(size) < len(attrBuf) {
dat = dat[:size]
}
dat = dat[4:] // remove length prefix
for i := uint32(0); int(i) < len(dat); {
header := dat[i:]
if len(header) < 8 {
return attrs, errorspkg.New("truncated attribute header")
}
datOff := *(*int32)(unsafe.Pointer(&header[0]))
attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
return attrs, errorspkg.New("truncated results; attrBuf too small")
}
end := uint32(datOff) + attrLen
attrs = append(attrs, dat[datOff:end])
i = end
if r := i % 4; r != 0 {
i += (4 - r)
}
}
return
}
//sysnb pipe() (r int, w int, err error)
func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
}
p[0], p[1], err = pipe()
return
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
use(unsafe.Pointer(_p0))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Wrapped
*/
//sys kill(pid int, signum int, posix int) (err error)
func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) }
/*
* Exposed directly
*/
//sys Access(path string, mode uint32) (err error)
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
//sys Chdir(path string) (err error)
//sys Chflags(path string, flags int) (err error)
//sys Chmod(path string, mode uint32) (err error)
//sys Chown(path string, uid int, gid int) (err error)
//sys Chroot(path string) (err error)
//sys Close(fd int) (err error)
//sys Dup(fd int) (nfd int, err error)
//sys Dup2(from int, to int) (err error)
//sys Exchangedata(path1 string, path2 string, options int) (err error)
//sys Exit(code int)
//sys Fchdir(fd int) (err error)
//sys Fchflags(fd int, flags int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)
//sys Fchown(fd int, uid int, gid int) (err error)
//sys Flock(fd int, how int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
//sysnb Getpid() (pid int)
//sysnb Getppid() (ppid int)
//sys Getpriority(which int, who int) (prio int, err error)
//sysnb Getrlimit(which int, lim *Rlimit) (err error)
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Getsid(pid int) (sid int, err error)
//sysnb Getuid() (uid int)
//sysnb Issetugid() (tainted bool)
//sys Kqueue() (fd int, err error)
//sys Lchown(path string, uid int, gid int) (err error)
//sys Link(path string, link string) (err error)
//sys Listen(s int, backlog int) (err error)
//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
//sys Mkdir(path string, mode uint32) (err error)
//sys Mkfifo(path string, mode uint32) (err error)
//sys Mknod(path string, mode uint32, dev int) (err error)
//sys Mlock(b []byte) (err error)
//sys Mlockall(flags int) (err error)
//sys Mprotect(b []byte, prot int) (err error)
//sys Munlock(b []byte) (err error)
//sys Munlockall() (err error)
//sys Open(path string, mode int, perm uint32) (fd int, err error)
//sys Pathconf(path string, name int) (val int, err error)
//sys Pread(fd int, p []byte, offset int64) (n int, err error)
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
//sys read(fd int, p []byte) (n int, err error)
//sys Readlink(path string, buf []byte) (n int, err error)
//sys Rename(from string, to string) (err error)
//sys Revoke(path string) (err error)
//sys Rmdir(path string) (err error)
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
//sys Setegid(egid int) (err error)
//sysnb Seteuid(euid int) (err error)
//sysnb Setgid(gid int) (err error)
//sys Setlogin(name string) (err error)
//sysnb Setpgid(pid int, pgid int) (err error)
//sys Setpriority(which int, who int, prio int) (err error)
//sys Setprivexec(flag int) (err error)
//sysnb Setregid(rgid int, egid int) (err error)
//sysnb Setreuid(ruid int, euid int) (err error)
//sysnb Setrlimit(which int, lim *Rlimit) (err error)
//sysnb Setsid() (pid int, err error)
//sysnb Settimeofday(tp *Timeval) (err error)
//sysnb Setuid(uid int) (err error)
//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
//sys Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64
//sys Symlink(path string, link string) (err error)
//sys Sync() (err error)
//sys Truncate(path string, length int64) (err error)
//sys Umask(newmask int) (oldmask int)
//sys Undelete(path string) (err error)
//sys Unlink(path string) (err error)
//sys Unmount(path string, flags int) (err error)
//sys write(fd int, p []byte) (n int, err error)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
//sys munmap(addr uintptr, length uintptr) (err error)
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
/*
* Unimplemented
*/
// Profil
// Sigaction
// Sigprocmask
// Getlogin
// Sigpending
// Sigaltstack
// Ioctl
// Reboot
// Execve
// Vfork
// Sbrk
// Sstk
// Ovadvise
// Mincore
// Setitimer
// Swapon
// Select
// Sigsuspend
// Readv
// Writev
// Nfssvc
// Getfh
// Quotactl
// Mount
// Csops
// Waitid
// Add_profil
// Kdebug_trace
// Sigreturn
// Mmap
// Mlock
// Munlock
// Atsocket
// Kqueue_from_portset_np
// Kqueue_portset
// Getattrlist
// Setattrlist
// Getdirentriesattr
// Searchfs
// Delete
// Copyfile
// Poll
// Watchevent
// Waitevent
// Modwatch
// Getxattr
// Fgetxattr
// Setxattr
// Fsetxattr
// Removexattr
// Fremovexattr
// Listxattr
// Flistxattr
// Fsctl
// Initgroups
// Posix_spawn
// Nfsclnt
// Fhopen
// Minherit
// Semsys
// Msgsys
// Shmsys
// Semctl
// Semget
// Semop
// Msgctl
// Msgget
// Msgsnd
// Msgrcv
// Shmat
// Shmctl
// Shmdt
// Shmget
// Shm_open
// Shm_unlink
// Sem_open
// Sem_close
// Sem_unlink
// Sem_wait
// Sem_trywait
// Sem_post
// Sem_getvalue
// Sem_init
// Sem_destroy
// Open_extended
// Umask_extended
// Stat_extended
// Lstat_extended
// Fstat_extended
// Chmod_extended
// Fchmod_extended
// Access_extended
// Settid
// Gettid
// Setsgroups
// Getsgroups
// Setwgroups
// Getwgroups
// Mkfifo_extended
// Mkdir_extended
// Identitysvc
// Shared_region_check_np
// Shared_region_map_np
// __pthread_mutex_destroy
// __pthread_mutex_init
// __pthread_mutex_lock
// __pthread_mutex_trylock
// __pthread_mutex_unlock
// __pthread_cond_init
// __pthread_cond_destroy
// __pthread_cond_broadcast
// __pthread_cond_signal
// Setsid_with_pid
// __pthread_cond_timedwait
// Aio_fsync
// Aio_return
// Aio_suspend
// Aio_cancel
// Aio_error
// Aio_read
// Aio_write
// Lio_listio
// __pthread_cond_wait
// Iopolicysys
// Mlockall
// Munlockall
// __pthread_kill
// __pthread_sigmask
// __sigwait
// __disable_threadsignal
// __pthread_markcancel
// __pthread_canceled
// __semwait_signal
// Proc_info
// sendfile
// Stat64_extended
// Lstat64_extended
// Fstat64_extended
// __pthread_chdir
// __pthread_fchdir
// Audit
// Auditon
// Getauid
// Setauid
// Getaudit
// Setaudit
// Getaudit_addr
// Setaudit_addr
// Auditctl
// Bsdthread_create
// Bsdthread_terminate
// Stack_snapshot
// Bsdthread_register
// Workq_open
// Workq_ops
// __mac_execve
// __mac_syscall
// __mac_get_file
// __mac_set_file
// __mac_get_link
// __mac_set_link
// __mac_get_proc
// __mac_set_proc
// __mac_get_fd
// __mac_set_fd
// __mac_get_pid
// __mac_get_lcid
// __mac_get_lctx
// __mac_set_lctx
// Setlcid
// Read_nocancel
// Write_nocancel
// Open_nocancel
// Close_nocancel
// Wait4_nocancel
// Recvmsg_nocancel
// Sendmsg_nocancel
// Recvfrom_nocancel
// Accept_nocancel
// Msync_nocancel
// Fcntl_nocancel
// Select_nocancel
// Fsync_nocancel
// Connect_nocancel
// Sigsuspend_nocancel
// Readv_nocancel
// Writev_nocancel
// Sendto_nocancel
// Pread_nocancel
// Pwrite_nocancel
// Waitid_nocancel
// Poll_nocancel
// Msgsnd_nocancel
// Msgrcv_nocancel
// Sem_wait_nocancel
// Aio_suspend_nocancel
// __sigwait_nocancel
// __semwait_signal_nocancel
// __mac_mount
// __mac_get_mount
// __mac_getfsstat

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