Replace our broken wcswcs with the working upstream one.

Change-Id: I2952684df5674d10f0564d92c2cd42597725c0e3

libc/upstream-openbsd/lib/libc/string/wcsstr.c

@@ -0,0 +1,70 @@
+/*	$OpenBSD: wcsstr.c,v 1.3 2005/08/08 08:05:37 espie Exp $	*/
+/*	$NetBSD: wcsstr.c,v 1.3 2003/03/05 20:18:17 tshiozak Exp $	*/
+
+/*-
+ * Copyright (c)1999 Citrus Project,
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	citrus Id: wcsstr.c,v 1.2 2000/12/21 05:07:25 itojun Exp
+ */
+
+#include <wchar.h>
+
+wchar_t *
+#ifdef WCSWCS
+wcswcs(const wchar_t *big, const wchar_t *little)
+#else
+wcsstr(const wchar_t *big, const wchar_t *little)
+#endif
+{
+	const wchar_t *p;
+	const wchar_t *q;
+	const wchar_t *r;
+
+	if (!*little) {
+		/* LINTED interface specification */
+		return (wchar_t *)big;
+	}
+	if (wcslen(big) < wcslen(little))
+		return NULL;
+
+	p = big;
+	q = little;
+	while (*p) {
+		q = little;
+		r = p;
+		while (*q) {
+			if (*r != *q)
+				break;
+			q++;
+			r++;
+		}
+		if (!*q) {
+			/* LINTED interface specification */
+			return (wchar_t *)p;
+		}
+		p++;
+	}
+	return NULL;
+}

libc/upstream-openbsd/lib/libc/string/wcswcs.c

@@ -0,0 +1,5 @@
+/*	$OpenBSD: wcswcs.c,v 1.1 2005/04/13 16:35:58 espie Exp $	*/
+/* $NetBSD: wcswcs.c,v 1.1 2003/03/05 20:18:17 tshiozak Exp $ */
+
+#define WCSWCS
+#include "wcsstr.c"