projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| f61aad93 PE |
1 | /* Copyright (C) 2001-2002 Free Software Foundation, Inc. |
| 2 | Written by Bruno Haible <haible@clisp.cons.org>, 2001. | |
| 3 | ||
| 4 | This program is free software; you can redistribute it and/or modify | |
| 5 | it under the terms of the GNU General Public License as published by | |
| 6 | the Free Software Foundation; either version 2, or (at your option) | |
| 7 | any later version. | |
| 8 | ||
| 9 | This program is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | GNU General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU General Public License | |
| 15 | along with this program; if not, write to the Free Software Foundation, | |
| 16 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 17 | ||
| 18 | #ifndef _STDBOOL_H | |
| 19 | #define _STDBOOL_H | |
| 20 | ||
| 21 | /* ISO C 99 <stdbool.h> for platforms that lack it. */ | |
| 22 | ||
| 23 | /* 7.16. Boolean type and values */ | |
| 24 | ||
| 25 | /* BeOS <sys/socket.h> already #defines false 0, true 1. We use the same | |
| 26 | definitions below, but temporarily we have to #undef them. */ | |
| 27 | #ifdef __BEOS__ | |
| 28 | # undef false | |
| 29 | # undef true | |
| 30 | #endif | |
| 31 | ||
| 32 | /* For the sake of symbolic names in gdb, define _Bool as an enum type. */ | |
| 33 | #ifndef __cplusplus | |
| 34 | # if !@HAVE__BOOL@ | |
| 35 | typedef enum { false = 0, true = 1 } _Bool; | |
| 36 | # endif | |
| 37 | #else | |
| 38 | typedef bool _Bool; | |
| 39 | #endif | |
| 40 | #define bool _Bool | |
| 41 | ||
| 42 | /* The other macros must be usable in preprocessor directives. */ | |
| 43 | #define false 0 | |
| 44 | #define true 1 | |
| 45 | #define __bool_true_false_are_defined 1 | |
| 46 | ||
| 47 | #endif /* _STDBOOL_H */ |