mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/* Checking macros for mq functions.
|
|
Copyright (C) 2007-2016 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/>. */
|
|
|
|
#ifndef _FCNTL_H
|
|
# error "Never include <bits/mqueue2.h> directly; use <mqueue.h> instead."
|
|
#endif
|
|
|
|
/* Check that calls to mq_open with O_CREAT set have an appropriate third and fourth
|
|
parameter. */
|
|
extern mqd_t mq_open (const char *__name, int __oflag, ...)
|
|
__THROW __nonnull ((1));
|
|
extern mqd_t __mq_open_2 (const char *__name, int __oflag)
|
|
__THROW __nonnull ((1));
|
|
extern mqd_t __REDIRECT_NTH (__mq_open_alias, (const char *__name,
|
|
int __oflag, ...), mq_open)
|
|
__nonnull ((1));
|
|
__errordecl (__mq_open_wrong_number_of_args,
|
|
"mq_open can be called either with 2 or 4 arguments");
|
|
__errordecl (__mq_open_missing_mode_and_attr,
|
|
"mq_open with O_CREAT in second argument needs 4 arguments");
|
|
|
|
__fortify_function mqd_t
|
|
__NTH (mq_open (const char *__name, int __oflag, ...))
|
|
{
|
|
if (__va_arg_pack_len () != 0 && __va_arg_pack_len () != 2)
|
|
__mq_open_wrong_number_of_args ();
|
|
|
|
if (__builtin_constant_p (__oflag))
|
|
{
|
|
if ((__oflag & O_CREAT) != 0 && __va_arg_pack_len () == 0)
|
|
{
|
|
__mq_open_missing_mode_and_attr ();
|
|
return __mq_open_2 (__name, __oflag);
|
|
}
|
|
return __mq_open_alias (__name, __oflag, __va_arg_pack ());
|
|
}
|
|
|
|
if (__va_arg_pack_len () == 0)
|
|
return __mq_open_2 (__name, __oflag);
|
|
|
|
return __mq_open_alias (__name, __oflag, __va_arg_pack ());
|
|
}
|