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/* Stub for symlink().
Copyright (C) 2009-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://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 == EOVERFLOW)
errno = EEXIST;
return -1;
}
return symlink (contents, name);
}
#else /* !HAVE_SYMLINK */
/* The system does not support symlinks. */
int
symlink (_GL_UNUSED char const *contents,
_GL_UNUSED char const *name)
{
errno = ENOSYS;
return -1;
}
#endif /* !HAVE_SYMLINK */
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