From 096991428f304681d26e971cd7af6c13b67f48ca Mon Sep 17 00:00:00 2001
From: Eric Pouech <eric.pouech@orange.fr>
Date: Thu, 2 Oct 2008 22:00:34 +0200
Subject: [PATCH] msvcrt: Implemented wcsncpy_s.

---
 dlls/msvcrt/msvcrt.spec |  1 +
 dlls/msvcrt/wcs.c       | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/dlls/msvcrt/msvcrt.spec b/dlls/msvcrt/msvcrt.spec
index ecdce4f9a71..c54d33e7286 100644
--- a/dlls/msvcrt/msvcrt.spec
+++ b/dlls/msvcrt/msvcrt.spec
@@ -772,6 +772,7 @@
 @ cdecl wcsncat(wstr wstr long) ntdll.wcsncat
 @ cdecl wcsncmp(wstr wstr long) ntdll.wcsncmp
 @ cdecl wcsncpy(ptr wstr long) ntdll.wcsncpy
+@ cdecl wcsncpy_s(ptr long wstr long) MSVCRT_wcsncpy_s
 @ cdecl wcspbrk(wstr wstr) MSVCRT_wcspbrk
 @ cdecl wcsrchr(wstr long) ntdll.wcsrchr
 @ cdecl wcsspn(wstr wstr) ntdll.wcsspn
diff --git a/dlls/msvcrt/wcs.c b/dlls/msvcrt/wcs.c
index 8eccb39552b..5c80092d73b 100644
--- a/dlls/msvcrt/wcs.c
+++ b/dlls/msvcrt/wcs.c
@@ -1046,3 +1046,34 @@ INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, con
 
     return 0;
 }
+
+/******************************************************************
+ *		wcsncpy_s (MSVCRT.@)
+ */
+INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
+                            MSVCRT_size_t count )
+{
+    INT size = 0;
+
+    if (!wcDest || !numElement)
+        return MSVCRT_EINVAL;
+
+    wcDest[0] = 0;
+
+    if (!wcSrc)
+    {
+        return MSVCRT_EINVAL;
+    }
+
+    size = min(strlenW(wcSrc), count);
+
+    if (size >= numElement)
+    {
+        return MSVCRT_ERANGE;
+    }
+
+    memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
+    wcDest[size] = '\0';
+
+    return 0;
+}