symlink.c
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symlink.c
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	/* Stub for symlink().
	Copyright (C) 2009-2011 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 */