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symlink.c

/* Stub for symlink().
   Copyright (C) 2009 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 _UNUSED_PARAMETER_,
       char const *name _UNUSED_PARAMETER_)
{
  errno = ENOSYS;
  return -1;
}

#endif /* !HAVE_SYMLINK */

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