-/* Copyright (C) 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2003, 2006-2012 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef _GL_STDBOOL_H
#define _GL_STDBOOL_H
with this substitute. With this substitute, only the values 0 and 1
give the expected result when converted to _Bool' or 'bool'.
+ - C99 allows the use of (_Bool)0.0 in constant expressions, but
+ this substitute cannot always provide this property.
+
Also, it is suggested that programs use 'bool' rather than '_Bool';
this isn't required, but 'bool' is more common. */
/* BeOS <sys/socket.h> already #defines false 0, true 1. We use the same
definitions below, but temporarily we have to #undef them. */
-#ifdef __BEOS__
+#if defined __BEOS__ && !defined __HAIKU__
# include <OS.h> /* defines bool but not _Bool */
# undef false
# undef true
(see ISO C 99 6.7.2.2.(4)); however, '_Bool' must promote to 'int'
(see ISO C 99 6.3.1.1.(2)). So we add a negative value to the
enum; this ensures that '_Bool' promotes to 'int'. */
-#if defined __cplusplus || defined __BEOS__
+#if defined __cplusplus || (defined __BEOS__ && !defined __HAIKU__)
/* A compiler known to have 'bool'. */
/* If the compiler already has both 'bool' and '_Bool', we can assume they
are the same types. */