glibc/io/linkat.c
Ulrich Drepper 5c46041a9c * sysdeps/unix/sysv/linux/renameat.c: Move errno setting code in
separate function __atfct_seterrno_2.
	* include/fcntl.h: Declare __atfct_seterrno_2.
	* posix/unistd.h: Declare linkat, symlinkat, readlinkat.
	* io/Makefile (routines): Add linkat, symlinkat, readlinkat.
	* io/Versions [GLIBC_2.4]: Export linkat, symlinkat, readlinkat.
	* io/linkat.c: New file.
	* io/readlinkat.c: New file.
	* io/symlinkat.c: New file.
	* sysdeps/unix/sysv/linux/linkat.c: New file.
	* sysdeps/unix/sysv/linux/readlinkat.c: New file.
	* sysdeps/unix/sysv/linux/symlinkat.c: New file.
2005-12-16 00:24:16 +00:00

52 lines
1.4 KiB
C

/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <unistd.h>
/* Make a link to FROM relative to FROMFD called TO relative to TOFD. */
int
linkat (fromfd, from, tofd, to)
int fromfd;
const char *from;
int tofd;
const char *to;
{
if (from == NULL || to == NULL)
{
__set_errno (EINVAL);
return -1;
}
if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
|| (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
{
__set_errno (EBADF);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
stub_warning (linkat)
#include <stub-tag.h>