kernelbase: Reimplement GetCalendarInfoEx/W using the locale.nls data.

dlls/kernel32/lcformat.c

@@ -1763,12 +1763,10 @@ int WINAPI GetCalendarInfoA( LCID lcid, CALID id, CALTYPE type, LPSTR data, int
     int ret, sizeW = size;
     LPWSTR dataW = NULL;
 
-    if (NLS_IsUnicodeOnlyLcid(lcid))
-    {
-        SetLastError(ERROR_INVALID_PARAMETER);
-        return 0;
-    }
-    if (!size && !(type & CAL_RETURN_NUMBER)) sizeW = GetCalendarInfoW( lcid, id, type, NULL, 0, NULL );
+    if (type & CAL_RETURN_NUMBER)
+        return GetCalendarInfoW( lcid, id, type, (WCHAR *)data, size, val ) * sizeof(WCHAR);
+
+    if (!size) sizeW = GetCalendarInfoW( lcid, id, type, NULL, 0, NULL );
     if (!(dataW = HeapAlloc(GetProcessHeap(), 0, sizeW * sizeof(WCHAR)))) return 0;
 
     ret = GetCalendarInfoW( lcid, id, type, dataW, sizeW, val );

include/winnls.h

@@ -908,6 +908,7 @@ WINBASEAPI BOOL        WINAPI GetCPInfoExA(UINT,DWORD,LPCPINFOEXA);
 WINBASEAPI BOOL        WINAPI GetCPInfoExW(UINT,DWORD,LPCPINFOEXW);
 #define                       GetCPInfoEx WINELIB_NAME_AW(GetCPInfoEx)
 WINBASEAPI INT         WINAPI GetCalendarInfoA(LCID,DWORD,DWORD,LPSTR,INT,LPDWORD);
+WINBASEAPI INT         WINAPI GetCalendarInfoEx(const WCHAR*,CALID,const WCHAR*,CALTYPE,WCHAR*,INT,DWORD*);
 WINBASEAPI INT         WINAPI GetCalendarInfoW(LCID,DWORD,DWORD,LPWSTR,INT,LPDWORD);
 #define                       GetCalendarInfo WINELIB_NAME_AW(GetCalendarInfo)
 WINBASEAPI INT         WINAPI GetCurrencyFormatA(LCID,DWORD,LPCSTR,const CURRENCYFMTA*,LPSTR,INT);