ntdll: Lookup DynamicDST based on current year, instead of year of daylight date.

When there are no further time changes, the function find_dst_change() will return (year_end + 1). This patch ensures that we don't lookup the wrong DynamicDST entry in such a case.

ntdll: Lookup DynamicDST based on current year, instead of year of daylight date.
3977ebaf · Sebastian Lackner · Alexandre Julliard · 487472b3 · 3977ebaf
Commit 3977ebaf authored Aug 04, 2015 by Sebastian Lackner Committed by Alexandre Julliard Aug 04, 2015
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time.c dlls/ntdll/time.c +3 -3

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--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -584,7 +584,7 @@ static BOOL reg_query_value(HKEY hkey, LPCWSTR name, DWORD type, void *data, DWO
    return TRUE;
 }

-static void find_reg_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi)
+static void find_reg_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi, int year)
 {
    static const WCHAR Time_ZonesW[] = { 'M','a','c','h','i','n','e','\\',
        'S','o','f','t','w','a','r','e','\\',
@@ -600,7 +600,7 @@ static void find_reg_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi)
    UNICODE_STRING nameW, nameDynamicW;
    WCHAR buf[128], yearW[16];

-    sprintfW(yearW, fmtW, tzi->DaylightDate.wYear);
+    sprintfW(yearW, fmtW, year);

    attrDynamic.Length = sizeof(attrDynamic);
    attrDynamic.RootDirectory = 0; /* will be replaced later */
@@ -856,7 +856,7 @@ static int init_tz_info(RTL_DYNAMIC_TIME_ZONE_INFORMATION *tzi)
            tzi->StandardBias);
    }

-    find_reg_tz_info(tzi);
+    find_reg_tz_info(tzi, current_year + 1900);
    cached_tzi = *tzi;

    RtlLeaveCriticalSection( &TIME_tz_section );