diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-26 20:15:44 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-26 20:15:44 +0000 |
| commit | 7b2c7b620c9d124d5d676a09acf6799f57627b0d (patch) | |
| tree | dd77469f1817823d1a883ee019c0076c01a4f132 /internal.h | |
| parent | 5426842df30fcf2d3251e9235bfb54d7c848602f (diff) | |
internal.h: use SIGNEDNESS_OF_TIME_T
* configure.in (RUBY_REPLACE_TYPE): define SIGNEDNESS_OF_type same as
check_signedness of mkmf.rb.
* internal.h (TIMET_MAX, TIMET_MIN, TIMET_MAX_PLUS_ONE): use
SIGNEDNESS_OF_TIME_T.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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]; |