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66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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/*
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* A single utility routine.
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*
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* Copyright (C) 1996 Andrew Tridgell
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* Copyright (C) 1996 Paul Mackerras
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* Copyright (C) 2001 Martin Pool <mbp@samba.org>
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* Copyright (C) 2003-2014 Wayne Davison
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, visit the http://fsf.org website.
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*/
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#include "rsync.h"
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/* Produce a string representation of Unix mode bits like that used by ls(1).
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* The "buf" buffer must be at least 11 characters. */
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void permstring(char *perms, mode_t mode)
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{
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static const char *perm_map = "rwxrwxrwx";
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int i;
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strlcpy(perms, "----------", 11);
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for (i = 0; i < 9; i++) {
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if (mode & (1 << i))
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perms[9-i] = perm_map[8-i];
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}
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/* Handle setuid/sticky bits. You might think the indices are
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* off by one, but remember there's a type char at the
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* start. */
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if (mode & S_ISUID)
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perms[3] = (mode & S_IXUSR) ? 's' : 'S';
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if (mode & S_ISGID)
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perms[6] = (mode & S_IXGRP) ? 's' : 'S';
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#ifdef S_ISVTX
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if (mode & S_ISVTX)
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perms[9] = (mode & S_IXOTH) ? 't' : 'T';
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#endif
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if (S_ISDIR(mode))
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perms[0] = 'd';
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else if (S_ISLNK(mode))
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perms[0] = 'l';
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else if (S_ISBLK(mode))
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perms[0] = 'b';
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else if (S_ISCHR(mode))
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perms[0] = 'c';
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else if (S_ISSOCK(mode))
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perms[0] = 's';
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else if (S_ISFIFO(mode))
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perms[0] = 'p';
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}
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