cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / bits / mqueue2.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mqueue2.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mqueue2.h
new file mode 100644 (file)
index 0000000..7d84bda
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mqueue2.h
@@ -0,0 +1,57 @@
+/* Checking macros for mq functions.
+   Copyright (C) 2007-2018 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 ());
+}