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Revision 1.3, Sat Oct 2 12:55:31 2004 UTC (19 years, 7 months ago) by espie
Branch: MAIN
CVS Tags: OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0, OPENBSD_3_9_BASE, OPENBSD_3_9, OPENBSD_3_8_BASE, OPENBSD_3_8, OPENBSD_3_7_BASE, OPENBSD_3_7
Changes since 1.2: +18 -1 lines 

let stdbool.h work with recent gcc, since they modified the interface,
again...


okay millert@  a while back, needed some more paranoid testing from my
part...

/* $OpenBSD: stdbool.h,v 1.3 2004/10/02 12:55:31 espie Exp $ */

/*
 * Written by Marc Espie, September 25, 1999
 * Public domain.
 */

#ifndef	_STDBOOL_H_
#define	_STDBOOL_H_	

#ifndef __cplusplus

#if defined(__GNUC__) && __GNUC__ >= 3
/* Support for _C99: type _Bool is already built-in. */
#define false	0
#define true	1

#else
/* `_Bool' type must promote to `int' or `unsigned int'. */
typedef enum {
	false = 0,
	true = 1
} _Bool;

/* And those constants must also be available as macros. */
#define	false	false
#define	true	true

#endif

/* User visible type `bool' is provided as a macro which may be redefined */
#define bool _Bool

#else /* __cplusplus */
#define _Bool 	bool
#define bool 	bool
#define false 	false
#define true 	true
#endif /* __cplusplus */

/* Inform that everything is fine */
#define __bool_true_false_are_defined 1

#endif /* _STDBOOL_H_ */