web
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Last change
on this file since f6f3e91 was
f6f3e91,
checked in by Jessica B. Hamrick <jhamrick@…>, 15 years ago
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Preserve directory hierarchy (not sure what happened to it)
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-
Property mode set to
100644
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File size:
1023 bytes
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| 1 | /* |
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| 2 | * Portability wrapper around <stdbool.h>. |
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| 3 | * |
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| 4 | * Provides the bool and _Bool types and the true and false constants, |
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| 5 | * following the C99 specification, on hosts that don't have stdbool.h. This |
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| 6 | * logic is based heavily on the example in the Autoconf manual. |
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| 7 | * |
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| 8 | * Written by Russ Allbery <rra@stanford.edu> |
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| 9 | * This work is hereby placed in the public domain by its author. |
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| 10 | */ |
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| 11 | |
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| 12 | #ifndef PORTABLE_STDBOOL_H |
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| 13 | #define PORTABLE_STDBOOL_H 1 |
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| 14 | |
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| 15 | #if HAVE_STDBOOL_H |
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| 16 | # include <stdbool.h> |
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| 17 | #else |
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| 18 | # if HAVE__BOOL |
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| 19 | # define bool _Bool |
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| 20 | # else |
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| 21 | # ifdef __cplusplus |
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| 22 | typedef bool _Bool; |
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| 23 | # elif _WIN32 |
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| 24 | # include <windef.h> |
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| 25 | # define bool BOOL |
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| 26 | # else |
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| 27 | typedef unsigned char _Bool; |
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| 28 | # define bool _Bool |
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| 29 | # endif |
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| 30 | # endif |
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| 31 | # define false 0 |
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| 32 | # define true 1 |
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| 33 | # define __bool_true_false_are_defined 1 |
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| 34 | #endif |
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| 35 | |
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| 36 | /* |
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| 37 | * If we define bool and don't tell Perl, it will try to define its own and |
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| 38 | * fail. Only of interest for programs that also include Perl headers. |
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| 39 | */ |
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| 40 | #ifndef HAS_BOOL |
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| 41 | # define HAS_BOOL 1 |
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| 42 | #endif |
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| 43 | |
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| 44 | #endif /* !PORTABLE_STDBOOL_H */ |
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