Blame gnulib-tests/symlink.c

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/* Stub for symlink().
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   Copyright (C) 2009-2017 Free Software Foundation, Inc.
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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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   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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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#include <config.h>
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/* Specification.  */
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#if HAVE_SYMLINK
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# undef symlink
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/* Create a symlink, but reject trailing slash.  */
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int
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rpl_symlink (char const *contents, char const *name)
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{
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  size_t len = strlen (name);
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  if (len && name[len - 1] == '/')
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    {
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      struct stat st;
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      if (lstat (name, &st) == 0)
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        errno = EEXIST;
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      return -1;
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    }
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  return symlink (contents, name);
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}
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#else /* !HAVE_SYMLINK */
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/* The system does not support symlinks.  */
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int
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symlink (char const *contents _GL_UNUSED,
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         char const *name _GL_UNUSED)
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{
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  errno = ENOSYS;
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  return -1;
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}
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#endif /* !HAVE_SYMLINK */