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Reduce tzset calls

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Set up-to-date flag always when calling tzset().
This commit is contained in:
Nobuyoshi Nakada 2019-12-17 10:48:17 +09:00
parent d6a2bce64a
commit ebe5b66ca8
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GPG key ID: 4BC7D6DF58D8DF60
1 changed files with 10 additions and 7 deletions
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17
time.c
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@ -673,16 +673,21 @@ static VALUE tm_from_time(VALUE klass, VALUE time);
bool ruby_tz_uptodate_p;
static void
update_tz(void)
{
if (ruby_tz_uptodate_p) return;
ruby_tz_uptodate_p = true;
tzset();
}
static struct tm *
rb_localtime_r(const time_t *t, struct tm *result)
{
#if defined __APPLE__ && defined __LP64__
if (*t != (time_t)(int)*t) return NULL;
#endif
if (!ruby_tz_uptodate_p) {
ruby_tz_uptodate_p = true;
tzset();
}
update_tz();
#ifdef HAVE_GMTIME_R
result = localtime_r(t, result);
#else
@ -3140,9 +3145,7 @@ find_time_t(struct tm *tptr, int utc_p, time_t *tp)
find_dst = 0 < tptr->tm_isdst;
/* /etc/localtime might be changed. reload it. */
if (!ruby_tz_uptodate_p) {
tzset();
}
update_tz();
tm0 = *tptr;
if (tm0.tm_mon < 0) {