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newlib-cygwin
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* localtime.cc (__cygwin_gettzoffset): New function for access from 

newlib.
	(__cygwin_gettzname): Ditto.
This commit is contained in:
Corinna Vinschen 2015-01-08 09:37:16 +00:00
parent ee65ca81d7
commit fc55214612
2 changed files with 31 additions and 0 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2015-01-08 Corinna Vinschen <corinna@vinschen.de>
* localtime.cc (__cygwin_gettzoffset): New function for access from
newlib.
(__cygwin_gettzname): Ditto.
2015-01-07 Corinna Vinschen <corinna@vinschen.de>
* localtime.cc (tzload): Fix loading latest timezone offsets into

25
winsup/cygwin/localtime.cc
View File

@ -2558,3 +2558,28 @@ posix2time(time_t t)
}
#endif /* defined STD_INSPIRED */
extern "C" long
__cygwin_gettzoffset (const struct tm *tmp)
{
#ifdef TM_GMTOFF
if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
return tmp->TM_GMTOFF;
#endif /* defined TM_GMTOFF */
__tzinfo_type *tz = __gettzinfo ();
/* The sign of this is exactly opposite the envvar TZ. We
could directly use the global _timezone for tm_isdst==0,
but have to use __tzrule for daylight savings. */
long offset = -tz->__tzrule[tmp->tm_isdst > 0].offset;
return offset;
}
extern "C" const char *
__cygwin_gettzname (const struct tm *tmp)
{
#ifdef TM_ZONE
if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
return tmp->TM_ZONE;
#endif
return _tzname[tmp->tm_isdst > 0];
}