glibc/socket/bits/socket2.h

57 lines
2.3 KiB
C

/* Checking macros for socket functions.
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. */
#ifndef _SYS_SOCKET_H
# error "Never include <bits/socket2.h> directly; use <sys/socket.h> instead."
#endif
extern ssize_t __recv_chk (int __fd, void *__buf, size_t __n, size_t __buflen,
int __flags);
extern ssize_t __REDIRECT (__recv_alias, (int __fd, void *__buf, size_t __n,
int __flags), recv);
extern __always_inline ssize_t
recv (int __fd, void *__buf, size_t __n, int __flags)
{
if (__bos0 (__buf) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos0 (__buf)))
return __recv_chk (__fd, __buf, __n, __bos0 (__buf), __flags);
return __recv_alias (__fd, __buf, __n, __flags);
}
extern ssize_t __recvfrom_chk (int __fd, void *__restrict __buf, size_t __n,
size_t __buflen, int __flags,
__SOCKADDR_ARG __addr,
socklen_t *__restrict __addr_len);
extern ssize_t __REDIRECT (__recvfrom_alias,
(int __fd, void *__restrict __buf, size_t __n,
int __flags, __SOCKADDR_ARG __addr,
socklen_t *__restrict __addr_len), recvfrom);
extern __always_inline ssize_t
recvfrom (int __fd, void *__restrict __buf, size_t __n, int __flags,
__SOCKADDR_ARG __addr, socklen_t *__restrict __addr_len)
{
if (__bos0 (__buf) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos0 (__buf)))
return __recvfrom_chk (__fd, __buf, __n, __bos0 (__buf), __flags,
__addr, __addr_len);
return __recvfrom_alias (__fd, __buf, __n, __flags, __addr, __addr_len);
}