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Welcome stdbool.h. A header file from the ANSI C99 specification.

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It defines the boolean values.
This commit is contained in:
Jeroen Ruigrok van der Werven 2000-09-16 07:28:44 +00:00
parent 45713b37cd
commit 8cf0402e5d
2 changed files with 56 additions and 2 deletions
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4
include/Makefile
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@ -17,8 +17,8 @@ FILES= a.out.h ar.h assert.h bitstring.h ctype.h db.h dirent.h disktab.h \
paths.h pthread.h pthread_np.h pwd.h \
ranlib.h regex.h regexp.h resolv.h rune.h runetype.h \
search.h setjmp.h sgtty.h \
signal.h stab.h stddef.h stdio.h stdlib.h string.h stringlist.h \
strings.h struct.h sysexits.h tar.h time.h timers.h \
signal.h stab.h stdbool.h stddef.h stdio.h stdlib.h string.h \
stringlist.h strings.h struct.h sysexits.h tar.h time.h timers.h \
ttyent.h unistd.h utime.h utmp.h vis.h
.if defined(WANT_CSRG_LIBM)
FILES+= math.h

54
include/stdbool.h Normal file
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@ -0,0 +1,54 @@
/*
* Copyright (c) 2000 Jeroen Ruigrok van der Werven <asmodai@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/* This should be compliant with the ANSI C99 definition */
#ifndef _STDBOOL_H_
#define _STDBOOL_H_
/* `_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
/* User visible type `bool' is provided as a macro which may be redefined */
#define bool _Bool
/* Inform that everything is fine */
#define __bool_true_false_are_defined 1
#if __STDC_VERSION__ < 199901L
typedef int _Bool; /* not built into pre-C99 compilers */
#endif
#endif /* _STDBOOL_H_ */