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comparison lib/lchown.c @ 1365:8a51920b9a22

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author Jim Meyering <jim@meyering.net>
date Tue, 19 May 1998 15:06:49 +0000
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children 645e6fea2fce
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1364:763891cf8cfd 1365:8a51920b9a22
1 /* Provide a stub lchown function for systems that lack it.
2 Copyright (C) 1998 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
17
18 /* written by Jim Meyering */
19
20 #include <config.h>
21
22 /* Disable the definition of lchown to rpl_lchown (from config.h) in this
23 file. Otherwise, we'd get conflicting prototypes for rpl_lchown on
24 most systems. */
25 #undef lchown
26
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <errno.h>
30 #ifndef errno
31 extern int errno;
32 #endif
33
34 /* Work just like chown, except when FILE is a symbolic link.
35 In that case, set errno to ENOSYS and return -1. */
36
37 int
38 rpl_lchown (const chat *file, uid_t uid, gid_t gid)
39 {
40 struct stat stats;
41
42 if (lstat (file, &stats) && S_ISLNK (stats.st_mode))
43 {
44 errno = ENOSYS;
45 return -1;
46 }
47
48 return chown (file, uid, gid);
49 }