From 93eda97b84453549aaac8917d3b7e1c8b56901c7 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Sun, 24 Mar 2013 00:29:31 +0100
Subject: [PATCH] Add wcslen(3).

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

diff --git a/libc/Makefile b/libc/Makefile
index b7be3eb4..1e0d9b70 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -131,6 +131,7 @@ vfscanf.o \
 vsscanf.o \
 wcrtomb.o \
 wcscpy.o \
+wcslen.o \
 wctomb.o \
 wctype.o \
 
diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index 2c92e70d..00d62976 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -64,6 +64,7 @@ struct tm;
 size_t wcrtomb(char* restrict, wchar_t, mbstate_t* restrict);
 size_t mbrtowc(wchar_t* restrict, const char* restrict, size_t, mbstate_t* restrict);
 wchar_t* wcscpy(wchar_t* restrict, const wchar_t* restrict);
+size_t wcslen(const wchar_t*);
 
 /* TODO: These are not implemented in sortix libc yet. */
 #if defined(__SORTIX_SHOW_UNIMPLEMENTED)
@@ -99,7 +100,6 @@ size_t mbrlen(const char* restrict, size_t, mbstate_t* restrict);
 size_t mbsrtowcs(wchar_t* restrict, const char** restrict, size_t, mbstate_t* restrict);
 size_t wcscspn(const wchar_t*, const wchar_t*);
 size_t wcsftime(wchar_t* restrict, size_t, const wchar_t* restrict, const struct tm* restrict);
-size_t wcslen(const wchar_t*);
 size_t wcsrtombs(char* restrict, const wchar_t** restrict, size_t, mbstate_t* restrict);
 size_t wcsspn(const wchar_t*, const wchar_t*);
 size_t wcsxfrm(wchar_t* restrict, const wchar_t* restrict, size_t);
diff --git a/libc/wcslen.cpp b/libc/wcslen.cpp
new file mode 100644
index 00000000..f792b160
--- /dev/null
+++ b/libc/wcslen.cpp
@@ -0,0 +1,33 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 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/>.
+
+    wcslen.cpp
+    Returns the length of a string.
+
+*******************************************************************************/
+
+#include <string.h>
+
+extern "C" size_t wcslen(const wchar_t* str)
+{
+	size_t ret = 0;
+	while ( str[ret] )
+		ret++;
+	return ret;
+}