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Correctly use the returned value from GetTimeZoneInformation.

This commit is contained in:
Rein Klazes 2004-10-25 21:48:57 +00:00 committed by Alexandre Julliard
parent c41d0c9a4b
commit 4ca34c4b2f
2 changed files with 17 additions and 8 deletions
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19
dlls/msvcrt/tests/time.c
View File

@ -57,9 +57,11 @@ static void test_mktime()
char TZ_env[256];
int secs;
ok (res != 0, "GetTimeZoneInformation faile\n");
ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
/* Bias may be positive or negative, to use offset of one day */
secs= SECSPERDAY - tzinfo.Bias*SECSPERMIN;
secs= SECSPERDAY - (tzinfo.Bias +
( res == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
( res == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ))) * SECSPERMIN;
my_tm.tm_mday = 1 + secs/SECSPERDAY;
secs = secs % SECSPERDAY;
my_tm.tm_hour = secs / SECSPERHOUR;
@ -87,15 +89,19 @@ static void test_localtime()
{
TIME_ZONE_INFORMATION tzinfo;
DWORD res = GetTimeZoneInformation(&tzinfo);
time_t gmt = (time_t)(SECSPERDAY + tzinfo.Bias*SECSPERMIN);
time_t gmt = (time_t)(SECSPERDAY + (tzinfo.Bias +
( res == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
( res == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ))) * SECSPERMIN);
char TZ_env[256];
struct tm* lt;
ok (res != 0, "GetTimeZoneInformation faile\n");
ok (res != TIME_ZONE_ID_INVALID, "GetTimeZoneInformation failed\n");
lt = localtime(&gmt);
ok(((lt->tm_year == 70) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
(lt->tm_mday == 2) && (lt->tm_wday == 5) && (lt->tm_hour == 0) &&
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst == 0)),
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst ==
(res == TIME_ZONE_ID_DAYLIGHT))),
"Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
lt->tm_min, lt->tm_sec, lt->tm_isdst);
@ -105,7 +111,8 @@ static void test_localtime()
lt = localtime(&gmt);
ok(((lt->tm_year == 70) && (lt->tm_mon == 0) && (lt->tm_yday == 1) &&
(lt->tm_mday == 2) && (lt->tm_wday == 5) && (lt->tm_hour == 0) &&
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst == 0)),
(lt->tm_min == 0) && (lt->tm_sec == 0) && (lt->tm_isdst ==
(res == TIME_ZONE_ID_DAYLIGHT))),
"Wrong date:Year %4d mon %2d yday %3d mday %2d wday %1d hour%2d min %2d sec %2d dst %2d\n",
lt->tm_year, lt->tm_mon, lt->tm_yday, lt->tm_mday, lt->tm_wday, lt->tm_hour,
lt->tm_min, lt->tm_sec, lt->tm_isdst);

6
dlls/msvcrt/time.c
View File

@ -124,7 +124,7 @@ struct MSVCRT_tm* MSVCRT_localtime(const MSVCRT_time_t* secs)
tzid = GetTimeZoneInformation(&tzinfo);
if (tzid == TIME_ZONE_ID_UNKNOWN) {
if (tzid == TIME_ZONE_ID_UNKNOWN || tzid == TIME_ZONE_ID_INVALID) {
tm.tm_isdst = -1;
} else {
tm.tm_isdst = (tzid == TIME_ZONE_ID_DAYLIGHT?1:0);
@ -234,7 +234,9 @@ void _ftime(struct MSVCRT__timeb *buf)
buf->time = time / TICKSPERSEC - SECS_1601_TO_1970;
buf->millitm = (time % TICKSPERSEC) / TICKSPERMSEC;
buf->timezone = tzinfo.Bias;
buf->timezone = tzinfo.Bias +
( tzid == TIME_ZONE_ID_STANDARD ? tzinfo.StandardBias :
( tzid == TIME_ZONE_ID_DAYLIGHT ? tzinfo.DaylightBias : 0 ));
buf->dstflag = (tzid == TIME_ZONE_ID_DAYLIGHT?1:0);
}