1 files changed, 48 insertions, 0 deletions
diff --git a/StdLib/LibC/Wchar/Concatenation.c b/StdLib/LibC/Wchar/Concatenation.c
new file mode 100644
index 0000000000..cf595a461f
--- /dev/null
+++ b/StdLib/LibC/Wchar/Concatenation.c
@@ -0,0 +1,48 @@
+/** @file
+    Concatenation Functions for <wchar.h>.
+
+    Unless explicitly stated otherwise, if the execution of a function declared
+    in this file causes copying to take place between objects that overlap, the
+    behavior is undefined.
+
+    Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+    This program and the accompanying materials are licensed and made available under
+    the terms and conditions of the BSD License that accompanies this distribution.
+    The full text of the license may be found at
+    http://opensource.org/licenses/bsd-license.php.
+
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#include  <Uefi.h>
+#include  <Library/BaseLib.h>
+#include  <Library/BaseMemoryLib.h>
+
+#include  <LibConfig.h>
+
+#include  <wchar.h>
+
+/** The wcscat function appends a copy of the wide string pointed to by s2
+    (including the terminating null wide character) to the end of the wide
+    string pointed to by s1. The initial wide character of s2 overwrites the
+    null wide character at the end of s1.
+
+    @return   The wcscat function returns the value of s1.
+**/
+wchar_t *wcscat(wchar_t * __restrict s1, const wchar_t * __restrict s2)
+{
+  return (wchar_t *)StrCat( (CHAR16 *)s1, (CONST CHAR16 *)s2);
+}
+
+/** The wcsncat function appends not more than n wide characters (a null wide
+    character and those that follow it are not appended) from the array pointed
+    to by s2 to the end of the wide string pointed to by s1. The initial wide
+    character of s2 overwrites the null wide character at the end of s1.
+    A terminating null wide character is always appended to the result.
+
+    @return   The wcsncat function returns the value of s1.
+**/
+wchar_t *wcsncat(wchar_t * __restrict s1, const wchar_t * __restrict s2, size_t n)
+{
+  return (wchar_t *)StrnCat( (CHAR16 *)s1, (CONST CHAR16 *)s2, (UINTN)n);
+}