From 329881f38d72bafdfcd7c878a060c67e6fea7de7 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Mon, 16 Sep 2013 15:12:30 +0200
Subject: [PATCH] Add wmemcpy(3).

---
 libc/Makefile          |  1 +
 libc/include/wchar.h   |  2 +-
 libc/wchar/wmemcpy.cpp | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 libc/wchar/wmemcpy.cpp

diff --git a/libc/Makefile b/libc/Makefile
index e41fff60..d898febc 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -201,6 +201,7 @@ wchar/wcstoul.o \
 wchar/wcsxfrm.o \
 wchar/wmemchr.o \
 wchar/wmemcmp.o \
+wchar/wmemcpy.o \
 wctype/wctype.o \
 
 HOSTEDOBJS=\
diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index feae8546..96a2c147 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -89,6 +89,7 @@ unsigned long wcstoul(const wchar_t* __restrict, wchar_t** __restrict, int);
 size_t wcsxfrm(wchar_t* __restrict, const wchar_t* __restrict, size_t);
 wchar_t* wmemchr(const wchar_t*, wchar_t, size_t);
 int wmemcmp(const wchar_t*, const wchar_t*, size_t);
+wchar_t* wmemcpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
 
 /* TODO: These are not implemented in sortix libc yet. */
 #if defined(__SORTIX_SHOW_UNIMPLEMENTED)
@@ -116,7 +117,6 @@ int wscanf(const wchar_t* __restrict, ...);
 long double wcstold(const wchar_t* __restrict, wchar_t** __restrict);
 size_t wcsftime(wchar_t* __restrict, size_t, const wchar_t* __restrict, const struct tm* __restrict);
 wchar_t* fgetws(wchar_t* __restrict, int, FILE* __restrict);
-wchar_t* wmemcpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
 wchar_t* wmemmove(wchar_t*, const wchar_t*, size_t);
 wchar_t* wmemset(wchar_t*, wchar_t, size_t);
 wint_t btowc(int);
diff --git a/libc/wchar/wmemcpy.cpp b/libc/wchar/wmemcpy.cpp
new file mode 100644
index 00000000..0db403a5
--- /dev/null
+++ b/libc/wchar/wmemcpy.cpp
@@ -0,0 +1,33 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C Library is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    wchar/wmemcpy.cpp
+    Copy wide memory between non-overlapping regions.
+
+*******************************************************************************/
+
+#include <wchar.h>
+
+extern "C"
+wchar_t* wmemcpy(wchar_t* restrict dst, const wchar_t* restrict src, size_t n)
+{
+	for ( size_t i = 0; i < n; i++ )
+		dst[i] = src[i];
+	return dst;
+}