msvcrt: Add _scwprintf_p_l implementation.

dlls/msvcr100/msvcr100.spec

@@ -1266,7 +1266,7 @@
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcr110/msvcr110.spec

@@ -1623,7 +1623,7 @@
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcr120/msvcr120.spec

@@ -1634,7 +1634,7 @@
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcr120_app/msvcr120_app.spec

@@ -1360,7 +1360,7 @@
 @ varargs _scwprintf(wstr) msvcr120._scwprintf
 @ varargs _scwprintf_l(wstr ptr) msvcr120._scwprintf_l
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr) msvcr120._scwprintf_p_l
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr) msvcr120._seh_longjmp_unwind4
 @ stdcall -arch=i386 _seh_longjmp_unwind(ptr) msvcr120._seh_longjmp_unwind
 @ cdecl -arch=i386 _set_SSE2_enable(long) msvcr120._set_SSE2_enable

dlls/msvcr80/msvcr80.spec

@@ -944,7 +944,7 @@
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcr90/msvcr90.spec

@@ -920,7 +920,7 @@
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
 @ stub _scwprintf_p
-@ stub _scwprintf_p_l
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcrt/msvcrt.spec

@@ -889,7 +889,7 @@
 @ varargs _scprintf_p_l(str ptr)
 @ varargs _scwprintf(wstr)
 @ varargs _scwprintf_l(wstr ptr)
-# stub _scwprintf_p_l(wstr ptr)
+@ varargs _scwprintf_p_l(wstr ptr)
 @ cdecl _searchenv(str str ptr)
 @ cdecl _searchenv_s(str str ptr long)
 @ stdcall -arch=i386 _seh_longjmp_unwind4(ptr)

dlls/msvcrt/wcs.c

@@ -1634,6 +1634,20 @@ int WINAPIV _scwprintf_l( const wchar_t *format, _locale_t locale, ... )
 }
 
 /*********************************************************************
+ *		_scwprintf_p_l (MSVCRT.@)
+ */
+int WINAPIV _scwprintf_p_l( const wchar_t *format, _locale_t locale, ... )
+{
+    va_list ap;
+    int r;
+
+    va_start( ap, locale );
+    r = vswprintf_p_l_opt( NULL, INT_MAX, format, 0, locale, ap );
+    va_end( ap );
+    return r;
+}
+
+/*********************************************************************
  *		_scwprintf (MSVCRT.@)
  */
 int WINAPIV _scwprintf( const wchar_t *format, ... )