kernel32: Implement Get{Time,Date}FormatEx.

dlls/api-ms-win-core-datetime-l1-1-1/api-ms-win-core-datetime-l1-1-1.spec

 @ stdcall GetDateFormatA(long long ptr str ptr long) kernel32.GetDateFormatA
-@ stub GetDateFormatEx
+@ stdcall GetDateFormatEx(wstr long ptr wstr ptr long wstr) kernel32.GetDateFormatEx
 @ stdcall GetDateFormatW(long long ptr wstr ptr long) kernel32.GetDateFormatW
 @ stdcall GetTimeFormatA(long long ptr str ptr long) kernel32.GetTimeFormatA
-@ stub GetTimeFormatEx
+@ stdcall GetTimeFormatEx(wstr long ptr wstr ptr long) kernel32.GetTimeFormatEx
 @ stdcall GetTimeFormatW(long long ptr wstr ptr long) kernel32.GetTimeFormatW

dlls/kernel32/kernel32.spec

@@ -510,6 +510,7 @@
 @ stdcall -norelay GetCurrentThread()
 @ stdcall -norelay GetCurrentThreadId()
 @ stdcall GetDateFormatA(long long ptr str ptr long)
+@ stdcall GetDateFormatEx(wstr long ptr wstr ptr long wstr)
 @ stdcall GetDateFormatW(long long ptr wstr ptr long)
 @ stdcall GetDaylightFlag()
 @ stdcall GetDefaultCommConfigA(str ptr long)
@@ -680,6 +681,7 @@
 @ stdcall GetTickCount()
 @ stdcall -ret64 GetTickCount64()
 @ stdcall GetTimeFormatA(long long ptr str ptr long)
+@ stdcall GetTimeFormatEx(wstr long ptr wstr ptr long)
 @ stdcall GetTimeFormatW(long long ptr wstr ptr long)
 @ stdcall GetTimeZoneInformation(ptr)
 @ stdcall GetThreadUILanguage()

dlls/kernel32/lcformat.c

@@ -846,6 +846,45 @@ INT WINAPI GetDateFormatA( LCID lcid, DWORD dwFlags, const SYSTEMTIME* lpTime,
                                 lpFormat, lpDateStr, cchOut);
 }
 
+/******************************************************************************
+ * GetDateFormatEx [KERNEL32.@]
+ *
+ * Format a date for a given locale.
+ *
+ * PARAMS
+ *  localename [I] Locale to format for
+ *  flags      [I] LOCALE_ and DATE_ flags from "winnls.h"
+ *  date       [I] Date to format
+ *  format     [I] Format string, or NULL to use the locale defaults
+ *  outbuf     [O] Destination for formatted string
+ *  bufsize    [I] Size of outbuf, or 0 to calculate the resulting size
+ *  calendar   [I] Reserved, must be NULL
+ *
+ * See GetDateFormatA for notes.
+ *
+ * RETURNS
+ *  Success: The number of characters written to outbuf, or that would have
+ *           been written if bufsize is 0.
+ *  Failure: 0. Use GetLastError() to determine the cause.
+ */
+INT WINAPI GetDateFormatEx(LPCWSTR localename, DWORD flags,
+                           const SYSTEMTIME* date, LPCWSTR format,
+                           LPWSTR outbuf, INT bufsize, LPCWSTR calendar)
+{
+  TRACE("(%s,0x%08x,%p,%s,%p,%d,%s)\n", debugstr_w(localename), flags,
+        date, debugstr_w(format), outbuf, bufsize, debugstr_w(calendar));
+
+  /* Parameter is currently reserved and Windows errors if set */
+  if (calendar != NULL)
+  {
+    SetLastError(ERROR_INVALID_PARAMETER);
+    return 0;
+  }
+
+  return NLS_GetDateTimeFormatW(LocaleNameToLCID(localename, 0),
+                                flags | DATE_DATEVARSONLY, date, format,
+                                outbuf, bufsize);
+}
 
 /******************************************************************************
  * GetDateFormatW	[KERNEL32.@]
@@ -914,6 +953,38 @@ INT WINAPI GetTimeFormatA(LCID lcid, DWORD dwFlags, const SYSTEMTIME* lpTime,
 }
 
 /******************************************************************************
+ * GetTimeFormatEx [KERNEL32.@]
+ *
+ * Format a date for a given locale.
+ *
+ * PARAMS
+ *  localename [I] Locale to format for
+ *  flags      [I] LOCALE_ and TIME_ flags from "winnls.h"
+ *  time       [I] Time to format
+ *  format     [I] Formatting overrides
+ *  outbuf     [O] Destination for formatted string
+ *  bufsize    [I] Size of outbuf, or 0 to calculate the resulting size
+ *
+ * See GetTimeFormatA for notes.
+ *
+ * RETURNS
+ *  Success: The number of characters written to outbuf, or that would have
+ *           have been written if bufsize is 0.
+ *  Failure: 0. Use GetLastError() to determine the cause.
+ */
+INT WINAPI GetTimeFormatEx(LPCWSTR localename, DWORD flags,
+                           const SYSTEMTIME* time, LPCWSTR format,
+                           LPWSTR outbuf, INT bufsize)
+{
+  TRACE("(%s,0x%08x,%p,%s,%p,%d)\n", debugstr_w(localename), flags, time,
+        debugstr_w(format), outbuf, bufsize);
+
+  return NLS_GetDateTimeFormatW(LocaleNameToLCID(localename, 0),
+                                flags | TIME_TIMEVARSONLY, time, format,
+                                outbuf, bufsize);
+}
+
+/******************************************************************************
  *		GetTimeFormatW	[KERNEL32.@]
  *
  * See GetTimeFormatA.

include/winnls.h

@@ -827,6 +827,7 @@ WINBASEAPI INT         WINAPI GetCurrencyFormatA(LCID,DWORD,LPCSTR,const CURRENC
 WINBASEAPI INT         WINAPI GetCurrencyFormatW(LCID,DWORD,LPCWSTR,const CURRENCYFMTW*,LPWSTR,INT);
 #define                       GetCurrencyFormat WINELIB_NAME_AW(GetCurrencyFormat)
 WINBASEAPI INT         WINAPI GetDateFormatA(LCID,DWORD,const SYSTEMTIME*,LPCSTR,LPSTR,INT);
+WINBASEAPI INT         WINAPI GetDateFormatEx(LPCWSTR,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT,LPCWSTR);
 WINBASEAPI INT         WINAPI GetDateFormatW(LCID,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);
 #define                       GetDateFormat WINELIB_NAME_AW(GetDateFormat)
 WINBASEAPI INT         WINAPI GetGeoInfoA(GEOID,GEOTYPE,LPSTR,INT,LANGID);
@@ -850,6 +851,7 @@ WINBASEAPI LCID        WINAPI GetSystemDefaultLCID(void);
 WINBASEAPI LANGID      WINAPI GetSystemDefaultUILanguage(void);
 WINBASEAPI LCID        WINAPI GetThreadLocale(void);
 WINBASEAPI INT         WINAPI GetTimeFormatA(LCID,DWORD,const SYSTEMTIME*,LPCSTR,LPSTR,INT);
+WINBASEAPI INT         WINAPI GetTimeFormatEx(LPCWSTR,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);
 WINBASEAPI INT         WINAPI GetTimeFormatW(LCID,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);
 #define                       GetTimeFormat WINELIB_NAME_AW(GetTimeFormat)
 WINBASEAPI LANGID      WINAPI GetUserDefaultLangID(void);