diff options
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/internal.h b/internal.h index 3600fe17d6..5211411a06 100644 --- a/internal.h +++ b/internal.h @@ -19,12 +19,17 @@ extern "C" { #endif #endif -#define TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (time_t)(~(unsigned_time_t)0)) -#define TIMET_MIN (~(time_t)0 <= 0 ? (time_t)(((unsigned_time_t)1) << (sizeof(time_t) * CHAR_BIT - 1)) : (time_t)0) - -#define TIMET_MAX_PLUS_ONE (~(time_t)0 <= 0 ? \ - ((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2 - 1)) : \ - ((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2))) +#if SIGNEDNESS_OF_TIME_T < 0 /* signed */ +# define TIMET_MAX (time_t)((~(unsigned_time_t)0) >> 1) +# define TIMET_MIN (time_t)(((unsigned_time_t)1) << (sizeof(time_t) * CHAR_BIT - 1)) +# define TIMET_MAX_PLUS_ONE \ + (((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2 - 1))) +#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */ +# define TIMET_MAX (time_t)(~(unsigned_time_t)0) +# define TIMET_MIN (time_t)0 +# define TIMET_MAX_PLUS_ONE \ + (((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)))) +#endif struct rb_deprecated_classext_struct { char conflict[sizeof(VALUE) * 3]; |