mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-21 00:50:04 +00:00
3a50811c2f
* rt/Makefile (headers): Add bits/mqueue2.h. * rt/mqueue.h: Include bits/mqueue2.h if -D_FORTIFY_SOURCE=2, optimizing with GCC and __va_arg_pack_len is defined. * rt/bits/mqueue2.h: New file. * rt/mq_open.c (__mq_open): Renamed from mq_open. (mq_open): New strong_alias. (__mq_open_2): New function. * sysdeps/unix/sysv/linux/mq_open.c (__mq_open): Renamed from mq_open. (mq_open): New strong_alias. (__mq_open_2): New function. * debug/Versions (libc): Export __fortify_fail@@GLIBC_PRIVATE. * Versions.def (librt): Add GLIBC_2.7 version. * debug/fortify_fail.c (__fortify_fail): Add libc_hidden_def. * include/stdio.h (__fortify_fail): Add libc_hidden_proto. * misc/sys/cdefs.h (__errordecl, __va_arg_pack_len): Define. * io/fcntl.h: Include bits/fcntl2.h when __va_arg_pack_len is defined rather than when not C++. * io/bits/fcntl2.h (__open_alias, __open64_alias, __openat_alias, __openat64_alias): New redirects. (__open_too_many_args, __open_missing_mode, __open64_too_many_args, __open64_missing_mode, __openat_too_many_args, __openat_missing_mode, __openat64_too_many_args, __openat64_missing_mode): New __errordecls. (open, open64, openat, openat64): Rewrite as __extern_always_inline functions instead of function-like macros.
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* Checking macros for mq functions.
|
|
Copyright (C) 2007 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 _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) __nonnull ((1));
|
|
extern mqd_t __REDIRECT (__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");
|
|
|
|
__extern_always_inline mqd_t
|
|
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 ());
|
|
}
|