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* time.c (init_leap_second_info): use TIMET_MAX.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2009-08-29 18:18:37 +00:00
parent 752027c174
commit 4a9bca2496
2 changed files with 10 additions and 11 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun Aug 30 03:17:25 2009 Tanaka Akira <akr@fsij.org>
* time.c (init_leap_second_info): use TIMET_MAX.
Sun Aug 30 01:15:31 2009 NARUSE, Yui <naruse@ruby-lang.org>
* ext/zlib/zlib.c (gzfile_read_all): use gzfile_newstr;

17
time.c
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@ -45,6 +45,9 @@ typedef unsigned LONG_LONG unsigned_time_t;
# error cannot find integer type which size is same as time_t.
#endif
#define TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (~(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)
VALUE rb_cTime;
static VALUE time_utc_offset _((VALUE));
@ -515,7 +518,7 @@ init_leap_second_info()
* So no one knows leap seconds in the future after the next year.
*/
if (this_year == 0) {
time_t now, max;
time_t now;
struct tm *tm, result;
struct vtm vtm;
VALUE timev;
@ -525,13 +528,8 @@ init_leap_second_info()
if (!tm) return;
this_year = tm->tm_year;
max = ~(time_t)0;
if (max <= (time_t)0) {
/* time_t is signed */
max = (~(unsigned_time_t)0) >> 1;
}
if (max - now < (time_t)(366*86400))
known_leap_seconds_limit = max;
if (TIMET_MAX - now < (time_t)(366*86400))
known_leap_seconds_limit = TIMET_MAX;
else
known_leap_seconds_limit = now + (time_t)(366*86400);
@ -879,9 +877,6 @@ timelocalv(struct vtm *vtm)
return lt(vtm1.utc_offset, vtm2.utc_offset) ? timev1 : timev2;
}
#define TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (~(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)
static struct tm *
localtime_with_gmtoff(const time_t *t, struct tm *result, long *gmtoff)
{