Piotr Caban : msvcrt: Copy wcslen implementation from ntdll.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a88d75f4f610080e0f59e71d4c49684917984ede
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=a88d75f4f610080e0f59e71d4c49684917984ede

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Tue Jul 21 12:21:27 2020 +0200

msvcrt: Copy wcslen implementation from ntdll.

Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/msvcrt/wcs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/wcs.c b/dlls/msvcrt/wcs.c
index 4be3de5b2d..affded2438 100644
--- a/dlls/msvcrt/wcs.c
+++ b/dlls/msvcrt/wcs.c
@@ -2658,9 +2658,11 @@ MSVCRT_wchar_t* CDECL MSVCRT_wcsrchr(const MSVCRT_wchar_t *str, MSVCRT_wchar_t c
 /***********************************************************************
  *              wcslen (MSVCRT.@)
  */
-int CDECL MSVCRT_wcslen(const MSVCRT_wchar_t *str)
+MSVCRT_size_t CDECL MSVCRT_wcslen(const MSVCRT_wchar_t *str)
 {
-    return strlenW(str);
+    const MSVCRT_wchar_t *s = str;
+    while (*s) s++;
+    return s - str;
 }
 
 /*********************************************************************