msvcrt: Added _wcstoul_l implementation.

dlls/msvcrt/msvcrt.spec

@@ -1124,7 +1124,7 @@
 @ cdecl _wcstombs_s_l(ptr ptr long wstr long ptr) MSVCRT__wcstombs_s_l
 @ cdecl -ret64 _wcstoui64(wstr ptr long) MSVCRT__wcstoui64
 @ cdecl -ret64 _wcstoui64_l(wstr ptr long ptr) MSVCRT__wcstoui64_l
-# stub _wcstoul_l(wstr ptr long ptr)
+@ cdecl _wcstoul_l(wstr ptr long ptr) MSVCRT__wcstoul_l
 @ cdecl _wcsupr(wstr) ntdll._wcsupr
 # stub _wcsupr_l(wstr ptr)
 @ cdecl _wcsupr_s(wstr long) MSVCRT__wcsupr_s
@@ -1501,7 +1501,7 @@
 @ cdecl wcstol(wstr ptr long) ntdll.wcstol
 @ cdecl wcstombs(ptr ptr long) MSVCRT_wcstombs
 @ cdecl wcstombs_s(ptr ptr long wstr long) MSVCRT_wcstombs_s
-@ cdecl wcstoul(wstr ptr long) ntdll.wcstoul
+@ cdecl wcstoul(wstr ptr long) MSVCRT_wcstoul
 @ stub wcsxfrm(ptr wstr long)
 @ cdecl wctob(long) MSVCRT_wctob
 @ cdecl wctomb(ptr long) MSVCRT_wctomb

dlls/msvcrt/wcs.c

@@ -1586,6 +1586,29 @@ unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
     return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
 }
 
+/*********************************************************************
+ *  _wcstoul_l (MSVCRT.@)
+ */
+MSVCRT_ulong __cdecl MSVCRT__wcstoul_l(const MSVCRT_wchar_t *s,
+        MSVCRT_wchar_t **end, int base, MSVCRT__locale_t locale)
+{
+    __int64 ret = MSVCRT__wcstoui64_l(s, end, base, locale);
+
+    if(ret > MSVCRT_ULONG_MAX) {
+        ret = MSVCRT_ULONG_MAX;
+        *MSVCRT__errno() = MSVCRT_ERANGE;
+    }
+    return ret;
+}
+
+/*********************************************************************
+   *  wcstoul (MSVCRT.@)
+    */
+MSVCRT_ulong __cdecl MSVCRT_wcstoul(const MSVCRT_wchar_t *s, MSVCRT_wchar_t **end, int base)
+{
+    return MSVCRT__wcstoul_l(s, end, base, NULL);
+}
+
 /******************************************************************
  *  wcsnlen (MSVCRT.@)
  */