Akihiro Sagawa : kernel32: Resolve an MUI time zone name.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: afad5636cb3a49dff1e40054b47a8407629b3c01
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=afad5636cb3a49dff1e40054b47a8407629b3c01

Author: Akihiro Sagawa <sagawa.aki at gmail.com>
Date:   Fri Dec  7 00:33:26 2018 +0900

kernel32: Resolve an MUI time zone name.

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

---

 dlls/kernel32/time.c | 54 +++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 43 insertions(+), 11 deletions(-)

diff --git a/dlls/kernel32/time.c b/dlls/kernel32/time.c
index 57ad10d..69ebd82 100644
--- a/dlls/kernel32/time.c
+++ b/dlls/kernel32/time.c
@@ -59,6 +59,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(time);
 #define FILETIME2LL( pft, ll) \
     ll = (((LONGLONG)((pft)->dwHighDateTime))<<32) + (pft)-> dwLowDateTime ;
 
+static const WCHAR mui_stdW[] = { 'M','U','I','_','S','t','d',0 };
+static const WCHAR mui_dltW[] = { 'M','U','I','_','D','l','t',0 };
 
 static const int MonthLengths[2][12] =
 {
@@ -367,6 +369,24 @@ static BOOL reg_query_value(HKEY hkey, LPCWSTR name, DWORD type, void *data, DWO
     return TRUE;
 }
 
+static BOOL reg_load_mui_string(HKEY hkey, LPCWSTR value, LPWSTR buffer, DWORD size)
+{
+    static const WCHAR advapi32W[] = {'a','d','v','a','p','i','3','2','.','d','l','l',0};
+    DWORD (WINAPI *pRegLoadMUIStringW)(HKEY, LPCWSTR, LPWSTR, DWORD, DWORD *, DWORD, LPCWSTR);
+    HMODULE hDll;
+    BOOL ret = FALSE;
+
+    hDll = LoadLibraryExW(advapi32W, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
+    if (hDll) {
+        pRegLoadMUIStringW = (void *)GetProcAddress(hDll, "RegLoadMUIStringW");
+        if (pRegLoadMUIStringW &&
+            !pRegLoadMUIStringW(hkey, value, buffer, size, NULL, 0, NULL))
+            ret = TRUE;
+        FreeLibrary(hDll);
+    }
+    return ret;
+}
+
 /***********************************************************************
  *  TIME_GetSpecificTimeZoneInfo
  *
@@ -406,8 +426,15 @@ static BOOL TIME_GetSpecificTimeZoneInfo( const WCHAR *key_name, WORD year,
     if (!TIME_GetSpecificTimeZoneKey( key_name, &time_zone_key ))
         return FALSE;
 
-    if (!reg_query_value( time_zone_key, stdW, REG_SZ, tzinfo->StandardName, sizeof(tzinfo->StandardName)) ||
-        !reg_query_value( time_zone_key, dltW, REG_SZ, tzinfo->DaylightName, sizeof(tzinfo->DaylightName)))
+    if (!reg_load_mui_string( time_zone_key, mui_stdW, tzinfo->StandardName, sizeof(tzinfo->StandardName) ) &&
+        !reg_query_value( time_zone_key, stdW, REG_SZ, tzinfo->StandardName, sizeof(tzinfo->StandardName) ))
+    {
+        NtClose( time_zone_key );
+        return FALSE;
+    }
+
+    if (!reg_load_mui_string( time_zone_key, mui_dltW, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) ) &&
+        !reg_query_value( time_zone_key, dltW, REG_SZ, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) ))
     {
         NtClose( time_zone_key );
         return FALSE;
@@ -577,17 +604,14 @@ BOOL WINAPI SetSystemTimeAdjustment( DWORD dwTimeAdjustment, BOOL bTimeAdjustmen
  *  TIME_ZONE_ID_STANDARD   Current time is standard time
  *  TIME_ZONE_ID_DAYLIGHT   Current time is daylight savings time
  */
-DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION tzinfo )
+DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION ret )
 {
-    NTSTATUS status;
+    DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
+    DWORD time_zone_id;
 
-    status = RtlQueryTimeZoneInformation( (RTL_TIME_ZONE_INFORMATION*)tzinfo );
-    if ( status != STATUS_SUCCESS )
-    {
-        SetLastError( RtlNtStatusToDosError(status) );
-        return TIME_ZONE_ID_INVALID;
-    }
-    return TIME_ZoneID( tzinfo );
+    time_zone_id = GetDynamicTimeZoneInformation( &tzinfo );
+    memcpy( ret, &tzinfo, sizeof(*ret) );
+    return time_zone_id;
 }
 
 /***********************************************************************
@@ -1437,6 +1461,7 @@ BOOL WINAPI GetSystemTimes(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFIL
 DWORD WINAPI GetDynamicTimeZoneInformation(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo)
 {
     NTSTATUS status;
+    HANDLE time_zone_key;
 
     status = RtlQueryDynamicTimeZoneInformation( (RTL_DYNAMIC_TIME_ZONE_INFORMATION*)tzinfo );
     if ( status != STATUS_SUCCESS )
@@ -1444,6 +1469,13 @@ DWORD WINAPI GetDynamicTimeZoneInformation(DYNAMIC_TIME_ZONE_INFORMATION *tzinfo
         SetLastError( RtlNtStatusToDosError(status) );
         return TIME_ZONE_ID_INVALID;
     }
+
+    if (!TIME_GetSpecificTimeZoneKey( tzinfo->TimeZoneKeyName, &time_zone_key ))
+        return TIME_ZONE_ID_INVALID;
+    reg_load_mui_string( time_zone_key, mui_stdW, tzinfo->StandardName, sizeof(tzinfo->StandardName) );
+    reg_load_mui_string( time_zone_key, mui_dltW, tzinfo->DaylightName, sizeof(tzinfo->DaylightName) );
+    NtClose( time_zone_key );
+
     return TIME_ZoneID( (TIME_ZONE_INFORMATION*)tzinfo );
 }