Fixed time zone calculation.

95ffdc1d · Martin Fuchs · Alexandre Julliard · b7a8eefb · 95ffdc1d
Commit 95ffdc1d authored Feb 11, 2003 by Martin Fuchs Committed by Alexandre Julliard Feb 11, 2003
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Showing with 4 additions and 5 deletions

time.c dlls/kernel/time.c +4 -5

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--- a/dlls/kernel/time.c
+++ b/dlls/kernel/time.c
@@ -350,7 +350,6 @@ static BOOL _GetTimezoneBias(
 *
 * RETURNS
 *
- *  Returns true when the local time was calculated.
 *  Returns TRUE when the local time was calculated.
 *
 */
@@ -385,8 +384,8 @@ BOOL WINAPI SystemTimeToTzSpecificLocalTime(
    if (!_GetTimezoneBias(&tzinfo, lpUniversalTime, &lBias))
        return FALSE;

-    bias = lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
-    t += bias;
+    bias = (LONGLONG)lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
+    t -= bias;

    ft.dwLowDateTime  = (UINT)t;
    ft.dwHighDateTime = (UINT)(t >> 32);
@@ -435,8 +434,8 @@ BOOL WINAPI TzSpecificLocalTimeToSystemTime(
    if (!_GetTimezoneBias(&tzinfo, lpUniversalTime, &lBias))
        return FALSE;

-    bias = lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
-    t -= bias;
+    bias = (LONGLONG)lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
+    t += bias;

    ft.dwLowDateTime  = (UINT)t;
    ft.dwHighDateTime = (UINT)(t >> 32);