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(_Bool, bool, false, true, __bool_true_false_are_defined):

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Use the pattern recommended by Autoconf 2.57, except also protect
against double-inclusion.
This commit is contained in:
Paul Eggert
2003-01-03 14:14:24 +00:00
parent 0f42c7d501
commit 1029ea6d02
1 changed files with 19 additions and 2 deletions
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21
lib/hash.c
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@@ -1,5 +1,8 @@
/* hash - hashing table processing. /* hash - hashing table processing.
Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software
Foundation, Inc.
Written by Jim Meyering, 1992. Written by Jim Meyering, 1992.
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
@@ -27,11 +30,25 @@
#if HAVE_STDLIB_H #if HAVE_STDLIB_H
# include <stdlib.h> # include <stdlib.h>
#endif #endif
#if HAVE_STDBOOL_H #if HAVE_STDBOOL_H
# include <stdbool.h> # include <stdbool.h>
#else #else
typedef enum {false = 0, true = 1} bool; # ifndef __bool_true_false_are_defined
# if ! HAVE__BOOL
# ifdef __cplusplus
typedef bool _Bool;
# else
typedef unsigned char _Bool;
# endif
# endif
# define bool _Bool
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
# endif
#endif #endif
#include <stdio.h> #include <stdio.h>
#ifndef HAVE_DECL_FREE #ifndef HAVE_DECL_FREE