[PATCH v3 1/1] msvcrt: Optimize _ismbcspace_l for ASCII range.

[Piotr Caban]

From: Piotr Caban

---
 dlls/msvcrt/mbcs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/msvcrt/mbcs.c b/dlls/msvcrt/mbcs.c
index bd4245c2c53..4dac29d5888 100644
--- a/dlls/msvcrt/mbcs.c
+++ b/dlls/msvcrt/mbcs.c
@@ -1957,6 +1957,7 @@ int CDECL _ismbcalnum(unsigned int ch)
  */
 int CDECL _ismbcspace_l(unsigned int ch, _locale_t locale)
 {
+    if (ch <= 0x7f) return MSVCRT__ctype[ch + 1] & _SPACE;
     return _iswspace_l( msvcrt_mbc_to_wc_l(ch, locale), locale );
 }