u-tools/apps/tar/gnu/symlink.c

   1 /* -*- buffer-read-only: t -*- vi: set ro: */
   2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
   3 /* Stub for symlink().
   4    Copyright (C) 2009-2011 Free Software Foundation, Inc.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include <config.h>
  20
  21 /* Specification.  */
  22 #include <unistd.h>
  23
  24 #include <errno.h>
  25 #include <string.h>
  26 #include <sys/stat.h>
  27
  28
  29 #if HAVE_SYMLINK
  30
  31 # undef symlink
  32
  33 /* Create a symlink, but reject trailing slash.  */
  34 int
  35 rpl_symlink (char const *contents, char const *name)
  36 {
  37   size_t len = strlen (name);
  38   if (len && name[len - 1] == '/')
  39     {
  40       struct stat st;
  41       if (lstat (name, &st) == 0)
  42         errno = EEXIST;
  43       return -1;
  44     }
  45   return symlink (contents, name);
  46 }
  47
  48 #else /* !HAVE_SYMLINK */
  49
  50 /* The system does not support symlinks.  */
  51 int
  52 symlink (char const *contents _GL_UNUSED,
  53          char const *name _GL_UNUSED)
  54 {
  55   errno = ENOSYS;
  56   return -1;
  57 }
  58
  59 #endif /* !HAVE_SYMLINK */