[cwittich] 39014: add _mbsnbcpy_s to msvcrt (imported from wine)

Author: cwittich
Date: Thu Jan 22 08:41:57 2009
New Revision: 39014

URL: http://svn.reactos.org/svn/reactos?rev=39014&view=rev
Log:
add _mbsnbcpy_s to msvcrt (imported from wine)

Modified:
    trunk/reactos/dll/win32/msvcrt/msvcrt.def
    trunk/reactos/include/crt/mbstring.h
    trunk/reactos/lib/sdk/crt/mbstring/mbsncpy.c

Modified: trunk/reactos/dll/win32/msvcrt/msvcrt.def
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/msvcrt/msvcrt.de…
==============================================================================
--- trunk/reactos/dll/win32/msvcrt/msvcrt.def [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/msvcrt/msvcrt.def [iso-8859-1] Thu Jan 22 08:41:57 2009
@@ -847,4 +847,6 @@
   wprintf @841
   wscanf @842
 
+  _mbsnbcpy_s
+  
   _swprintf=swprintf

Modified: trunk/reactos/include/crt/mbstring.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/crt/mbstring.h?rev…
==============================================================================
--- trunk/reactos/include/crt/mbstring.h [iso-8859-1] (original)
+++ trunk/reactos/include/crt/mbstring.h [iso-8859-1] Thu Jan 22 08:41:57 2009
@@ -75,6 +75,7 @@
   _CRTIMP size_t __cdecl _mbsnbcnt(const unsigned char *_Str,size_t _MaxCount);
   _CRTIMP size_t __cdecl _mbsnbcnt_l(const unsigned char *_Str,size_t _MaxCount,_locale_t
_Locale);
   _CRTIMP unsigned char *__cdecl _mbsnbcpy(unsigned char *_Dest,const unsigned char
*_Source,size_t _Count);
+  _CRTIMP int __cdecl _mbsnbcpy_s(unsigned char* dst, size_t size, const unsigned char*
src, size_t n);
   _CRTIMP unsigned char *__cdecl _mbsnbcpy_l(unsigned char *_Dest,const unsigned char
*_Source,size_t _Count,_locale_t _Locale);
   _CRTIMP int __cdecl _mbsnbicmp(const unsigned char *_Str1,const unsigned char
*_Str2,size_t _MaxCount);
   _CRTIMP int __cdecl _mbsnbicmp_l(const unsigned char *_Str1,const unsigned char
*_Str2,size_t _MaxCount,_locale_t _Locale);

Modified: trunk/reactos/lib/sdk/crt/mbstring/mbsncpy.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/mbstring/mbsnc…
==============================================================================
--- trunk/reactos/lib/sdk/crt/mbstring/mbsncpy.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/mbstring/mbsncpy.c [iso-8859-1] Thu Jan 22 08:41:57 2009
@@ -10,6 +10,7 @@
  *
  */
 
+#include <precomp.h>
 #include <mbstring.h>
 
 extern int g_mbcp_is_multibyte;
@@ -91,3 +92,66 @@
   while (n--) *dst++ = 0;
   return ret;
 }
+
+/*
+ * Unlike _mbsnbcpy this function does not pad the rest of the dest
+ * string with 0
+*/
+int CDECL _mbsnbcpy_s(unsigned char* dst, size_t size, const unsigned char* src, size_t
n)
+{
+    size_t pos = 0;
+
+    if(!dst || size == 0)
+        return EINVAL;
+    if(!src)
+    {
+        dst[0] = '\0';
+        return EINVAL;
+    }
+    if(!n)
+        return 0;
+
+    if(g_mbcp_is_multibyte)
+    {
+        int is_lead = 0;
+        while (*src && n)
+        {
+            if(pos == size)
+            {
+                dst[0] = '\0';
+                return ERANGE;
+            }
+            is_lead = (!is_lead && _ismbblead(*src));
+            n--;
+            dst[pos++] = *src++;
+        }
+
+        if (is_lead) /* if string ends with a lead, remove it */
+            dst[pos - 1] = 0;
+    }
+    else
+    {
+        while (n)
+        {
+            n--;
+            if(pos == size)
+            {
+                dst[0] = '\0';
+                return ERANGE;
+            }
+
+            if(!(*src)) break;
+            dst[pos++] = *src++;
+        }
+    }
+
+    if(pos < size)
+        dst[pos] = '\0';
+    else
+    {
+        dst[0] = '\0';
+        return ERANGE;
+    }
+
+    return 0;
+}