diff options
| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-02-14 02:48:08 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-02-14 02:48:08 +0000 |
| commit | 93ff2adbed2c6b3ee2a2456d5223753921b2fee0 (patch) | |
| tree | 55ebe57005c68b66c1fd34996582416198b4790d /time.c | |
| parent | 3d0c93a90750e4cb01947c14c462f1b96c361d3c (diff) | |
* time.c (search_time_t): support non 32bit time_t environments.
* win32/Makefile.sub (config.h): VC++8 have ``long long'' type.
* win32/Makefile.sub (config.h): VC++8's time_t is 64bit value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'time.c')
| -rw-r--r-- | time.c | 24 |
1 files changed, 12 insertions, 12 deletions
@@ -459,6 +459,16 @@ tmcmp(struct tm *a, struct tm *b) return 0; } +#if SIZEOF_TIME_T == SIZEOF_LONG +typedef unsigned long unsigned_time_t; +#elif SIZEOF_TIME_T == SIZEOF_INT +typedef unsigned int unsigned_time_t; +#elif SIZEOF_TIME_T == SIZEOF_LONG_LONG +typedef unsigned LONG_LONG unsigned_time_t; +#else +# error cannot find integer type which size is same as time_t. +#endif + static time_t search_time_t(struct tm *tptr, int utc_p) { @@ -470,12 +480,12 @@ search_time_t(struct tm *tptr, int utc_p) find_dst = 0 < tptr->tm_isdst; #ifdef NEGATIVE_TIME_T - guess_lo = 1L << (8 * sizeof(time_t) - 1); + guess_lo = (time_t)~((unsigned_time_t)~(time_t)0 >> 1); #else guess_lo = 0; #endif guess_hi = ((time_t)-1) < ((time_t)0) ? - (1UL << (8 * sizeof(time_t) - 1)) - 1 : + (time_t)((unsigned_time_t)~(time_t)0 >> 1) : ~(time_t)0; guess = timegm_noleapsecond(tptr); @@ -1201,16 +1211,6 @@ time_to_s(VALUE time) return rb_str_new(buf, len); } -#if SIZEOF_TIME_T == SIZEOF_LONG -typedef unsigned long unsigned_time_t; -#elif SIZEOF_TIME_T == SIZEOF_INT -typedef unsigned int unsigned_time_t; -#elif SIZEOF_TIME_T == SIZEOF_LONG_LONG -typedef unsigned LONG_LONG unsigned_time_t; -#else -# error cannot find integer type which size is same as time_t. -#endif - static VALUE time_add(struct time_object *tobj, VALUE offset, int sign) { |