kernel32: Use Rtl function when the time zone name is useless.

Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kernel32: Use Rtl function when the time zone name is useless.
2ce076a5 · Akihiro Sagawa · Alexandre Julliard · 51f7680d · 2ce076a5
Commit 2ce076a5 authored Dec 18, 2018 by Akihiro Sagawa Committed by Alexandre Julliard Dec 17, 2018
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time.c dlls/kernel32/time.c +4 -5

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--- a/dlls/kernel32/time.c
+++ b/dlls/kernel32/time.c
@@ -689,8 +689,7 @@ BOOL WINAPI SystemTimeToTzSpecificLocalTime(
    }
    else
    {
-        if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
-            return FALSE;
+        RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
    }

    if (!SystemTimeToFileTime(lpUniversalTime, &ft))
@@ -735,8 +734,7 @@ BOOL WINAPI TzSpecificLocalTimeToSystemTime(
    }
    else
    {
-        if (GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_INVALID)
-            return FALSE;
+        RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
    }

    if (!SystemTimeToFileTime(lpLocalTime, &ft))
@@ -1314,7 +1312,8 @@ VOID WINAPI GetSystemTime(LPSYSTEMTIME systime)
 BOOL WINAPI GetDaylightFlag(void)
 {
    TIME_ZONE_INFORMATION tzinfo;
-    return GetTimeZoneInformation( &tzinfo) == TIME_ZONE_ID_DAYLIGHT;
+    RtlQueryTimeZoneInformation((RTL_TIME_ZONE_INFORMATION *)&tzinfo);
+    return (TIME_ZoneID(&tzinfo) == TIME_ZONE_ID_DAYLIGHT);
 }

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