glibc/debug/recvfrom_chk.c

31 lines
1.0 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, see
<http://www.gnu.org/licenses/>. */
#include <sys/param.h>
#include <sys/socket.h>
ssize_t
__recvfrom_chk (int fd, void *buf, size_t n, size_t buflen, int flags,
__SOCKADDR_ARG addr, socklen_t *addr_len)
{
if (n > buflen)
__chk_fail ();
return __recvfrom (fd, buf, n, flags, addr, addr_len);
}