File: symlink.c

package info (click to toggle)
libprelude 1.0.0-11.9
  • links: PTS
  • area: main
  • in suites: stretch
  • size: 24,456 kB
  • ctags: 17,851
  • sloc: ansic: 190,841; cpp: 38,769; xml: 30,141; sh: 11,668; makefile: 692; python: 481; awk: 341; yacc: 238; lex: 186; perl: 5
file content (57 lines) | stat: -rw-r--r-- 1,434 bytes parent folder | download | duplicates (19)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* Stub for symlink().
   Copyright (C) 2009, 2010 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <unistd.h>

#include <errno.h>
#include <string.h>
#include <sys/stat.h>


#if HAVE_SYMLINK

# undef symlink

/* Create a symlink, but reject trailing slash.  */
int
rpl_symlink (char const *contents, char const *name)
{
  size_t len = strlen (name);
  if (len && name[len - 1] == '/')
    {
      struct stat st;
      if (lstat (name, &st) == 0)
        errno = EEXIST;
      return -1;
    }
  return symlink (contents, name);
}

#else /* !HAVE_SYMLINK */

/* The system does not support symlinks.  */
int
symlink (char const *contents _GL_UNUSED,
         char const *name _GL_UNUSED)
{
  errno = ENOSYS;
  return -1;
}

#endif /* !HAVE_SYMLINK */