2007-01-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / ginclude / stdbool.h

diff --git a/gcc/ginclude/stdbool.h b/gcc/ginclude/stdbool.h
index 219e423..b36e650 100644 (file)
--- a/gcc/ginclude/stdbool.h
+++ b/gcc/ginclude/stdbool.h
@@ -1,21 +1,51 @@
-/* stdbool.h for GNU.  */
-#ifndef __STDBOOL_H__
-#define __STDBOOL_H__  1
-
-/* The type `_Bool' must promote to `int' or `unsigned int'.  The constants
-   `true' and `false' must have the value 0 and 1 respectively.  */
-typedef enum
-  {
-    false = 0,
-    true = 1
-  } _Bool;
-
-/* The names `true' and `false' must also be made available as macros.  */
+/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, if you include this header file into source
+   files compiled by GCC, this header file does not by itself cause
+   the resulting executable to be covered by the GNU General Public
+   License.  This exception does not however invalidate any other
+   reasons why the executable file might be covered by the GNU General
+   Public License.  */
+
+/*
+ * ISO C Standard:  7.16  Boolean type and values  <stdbool.h>
+ */
+
+#ifndef _STDBOOL_H
+#define _STDBOOL_H
+
+#ifndef __cplusplus
+
+#define bool   _Bool
+#define true   1
+#define false  0
+
+#else /* __cplusplus */
+
+/* Supporting <stdbool.h> in C++ is a GCC extension.  */
+#define _Bool  bool
+#define bool   bool
 #define false  false
 #define true   true
 
-/* The macro `bool', which may be undefined, expands to _Bool.  */
-#define bool _Bool
+#endif /* __cplusplus */
 
 /* Signal that all the definitions are present.  */
 #define __bool_true_false_are_defined  1