From 2e46a6ce8cf3aa1da8c02c802313e773b34aee1e Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Mon, 16 Sep 2013 00:20:30 +0200
Subject: [PATCH] Add wcspbrk(3).

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

diff --git a/libc/Makefile b/libc/Makefile
index e1946cba..ba50ab99 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -188,6 +188,7 @@ wchar/wcslen.o \
 wchar/wcsncat.o \
 wchar/wcsncmp.o \
 wchar/wcsncpy.o \
+wchar/wcspbrk.o \
 wchar/wcsrchr.o \
 wchar/wcsrtombs.o \
 wchar/wcsspn.o \
diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index cd1e9e45..5d8fd8a1 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -76,6 +76,7 @@ size_t wcslen(const wchar_t*);
 wchar_t* wcsncat(wchar_t* __restrict, const wchar_t* __restrict, size_t);
 int wcsncmp(const wchar_t*, const wchar_t*, size_t);
 wchar_t* wcsncpy(wchar_t* __restrict, const wchar_t* __restrict, size_t);
+wchar_t* wcspbrk(const wchar_t*, const wchar_t*);
 wchar_t* wcsrchr(const wchar_t*, 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*);
@@ -113,7 +114,6 @@ 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* wcspbrk(const wchar_t*, const wchar_t*);
 wchar_t* wcsstr(const wchar_t* __restrict, const wchar_t* __restrict);
 wchar_t* wcswcs(const wchar_t*, const wchar_t*);
 wchar_t* wmemchr(const wchar_t*, wchar_t, size_t);
diff --git a/libc/wchar/wcspbrk.cpp b/libc/wchar/wcspbrk.cpp
new file mode 100644
index 00000000..89ae3b3c
--- /dev/null
+++ b/libc/wchar/wcspbrk.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/wcspbrk.cpp
+    Search a wide string for any of a set of wide characters.
+
+*******************************************************************************/
+
+#include <wchar.h>
+
+extern "C" wchar_t* wcspbrk(const wchar_t* str, const wchar_t* accept)
+{
+	size_t rejectlen = wcscspn(str, accept);
+	if ( !str[rejectlen] )
+		return NULL;
+	return (wchar_t*) str + rejectlen;
+}