78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* minifind.c -- simple find library
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*
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* Copyright (c) 2002 Terra Soft Solutions, Inc.
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* Written by Dan Burcaw <dburcaw@terrasoftsolutions.com>
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*
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* This software may be freely redistributed under the terms of the GNU
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* library public license.
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*
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* You should have received a copy of the GNU Library Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "minifind.h"
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// insert a node at head of linked-list
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void insert_node(struct pathNode *n, char *path)
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{
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struct pathNode *new = (struct pathNode *) malloc(sizeof(struct pathNode));
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new->path = path;
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new->next = n->next;
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n->next = new;
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}
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// return input strip less last character
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char *stripLastChar(char *in)
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{
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char *out = malloc(sizeof(char)*strlen(in));
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snprintf(out, strlen(in) - 1, "%s", in);
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return out;
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}
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// do the work
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char *minifind(char *dir, char *search, struct findNode *list)
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{
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char *d = NULL;
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int n;
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struct dirent **namelist;
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struct stat buf;
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if (dir[strlen(dir)-1] == '/')
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dir = stripLastChar(dir);
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// check is there is an exact filematch to dir
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// when search is not specified
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if (search == NULL)
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{
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if (lstat(dir, &buf) == 0)
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insert_node(list->result, dir);
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return 0;
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}
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n = scandir(dir, &namelist, 0, alphasort);
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if (n >= 0)
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{
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while (n--)
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{
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d = malloc(sizeof(char) * (strlen(dir) \
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+ strlen(namelist[n]->d_name)+1));
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sprintf(d, "%s/%s", dir, namelist[n]->d_name);
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if (strstr(namelist[n]->d_name, search))
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insert_node(list->result, d);
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if ((lstat(d, &buf) == 0) && S_ISDIR(buf.st_mode))
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{
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if (strcmp(namelist[n]->d_name, ".") &&
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strcmp(namelist[n]->d_name, ".."))
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d = minifind(d, search, list);
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}
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free(namelist[n]);
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}
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free(namelist);
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return d;
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}
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return 0;
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}
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