mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-22 07:09:54 +00:00
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* Stub for symlink().
|
|
Copyright (C) 2009-2023 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 */
|