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| author | kan <kan@FreeBSD.org> | 2003-04-28 22:37:40 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2003-04-28 22:37:40 +0000 |
| commit | d026b2f2e33f65a023f669abe950f456effa6007 (patch) | |
| tree | 73c9ae82d99db8d84e6c1032405cb18a83b8c87d /sys/sys/limits.h | |
| parent | aa1ca506e567ce9e120069d0e0de54e5658005a8 (diff) | |
| download | FreeBSD-src-d026b2f2e33f65a023f669abe950f456effa6007.zip FreeBSD-src-d026b2f2e33f65a023f669abe950f456effa6007.tar.gz | |
Properly define CHAR_MIN/CHAR_MAX taking into account whether or
not __CHAR_UNSIGNED__ is defined.
Diffstat (limited to 'sys/sys/limits.h')
| -rw-r--r-- | sys/sys/limits.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/sys/limits.h b/sys/sys/limits.h index c9681b9..dd39ae0 100644 --- a/sys/sys/limits.h +++ b/sys/sys/limits.h @@ -54,8 +54,14 @@ #define SCHAR_MIN __SCHAR_MIN /* min value for a signed char */ #define UCHAR_MAX __UCHAR_MAX /* max value for an unsigned char */ -#define CHAR_MAX __CHAR_MAX /* max value for a char */ -#define CHAR_MIN __CHAR_MIN /* min value for a char */ + +#ifdef __CHAR_UNSIGNED__ +#define CHAR_MAX UCHAR_MAX /* max value for a char */ +#define CHAR_MIN 0 /* min value for a char */ +#else +#define CHAR_MAX SCHAR_MAX /* max value for a char */ +#define CHAR_MIN SCHAR_MIN /* min value for a char */ +#endif #define USHRT_MAX __USHRT_MAX /* max value for an unsigned short */ #define SHRT_MAX __SHRT_MAX /* max value for a short */ |
