glibc/debug/readlinkat_chk.c
Ulrich Drepper a346370d58 * posix/bits/unistd.h (__readlinkat_chk): New prototype.
(__readlinkat_alias): New alias.
	(readlinkat): New inline function.
	* include/unistd.h (readlinkat): Add libc_hidden_proto.
	* sysdeps/unix/sysv/linux/readlinkat.c (readlinkat): Add
	libc_hidden_def.
	* io/readlinkat.c (readlinkat): Likewise.
	* debug/readlinkat_chk.c: New file.
	* debug/Makefile (routines): Add readlinkat_chk.
	* debug/Versions (libc): Export __readlinkat_chk@@GLIBC_2.5.
	* debug/tst-chk1.c (do_test): Add readlinkat tests.

	* nis/nss_nisplus/nisplus-netgrp.c: Cleanups.
	code is possible.  Move compatibility code in .text.compat section.
	over gaih array.  There is only one function to call in the moment.
2006-04-24 17:01:40 +00:00

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1.1 KiB
C

/* Copyright (C) 2006 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 <unistd.h>
#include <sys/param.h>
ssize_t
__readlinkat_chk (int fd, const char *path, void *buf, size_t len,
size_t buflen)
{
if (len > buflen)
__chk_fail ();
return readlinkat (fd, path, buf, len);
}