1 files changed, 83 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/locale/wcscasecmp.c b/usr/src/lib/libc/port/locale/wcscasecmp.c
new file mode 100644
index 0000000000..ef0b734435
--- /dev/null
+++ b/usr/src/lib/libc/port/locale/wcscasecmp.c
@@ -0,0 +1,83 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013 Garrett D'Amore <garrett@damore.org>
+ */
+
+/*
+ * Compare strings ignoring case difference.
+ *	returns:  s1>s2: >0  s1==s2: 0  s1<s2: <0
+ * All letters are converted to the lowercase and compared.
+ */
+
+#include "lint.h"
+#include <stdlib.h>
+#include <wchar.h>
+#include <locale.h>
+#include "libc.h"
+
+/* Legacy Sun interfaces */
+#pragma weak wscasecmp = wcscasecmp
+#pragma weak wsncasecmp = wcsncasecmp
+
+int
+wcscasecmp_l(const wchar_t *s1, const wchar_t *s2, locale_t loc)
+{
+	if (s1 == s2)
+		return (0);
+
+	while (towlower_l(*s1, loc) == towlower_l(*s2, loc)) {
+		if (*s1 == 0)
+			return (0);
+		s1++;
+		s2++;
+	}
+	return (towlower_l(*s1, loc) - towlower_l(*s2, loc));
+}
+
+int
+wcscasecmp(const wchar_t *s1, const wchar_t *s2)
+{
+	return (wcscasecmp_l(s1, s2, uselocale(NULL)));
+}
+
+int
+wcsncasecmp_l(const wchar_t *s1, const wchar_t *s2, size_t n, locale_t loc)
+{
+	if (s1 == s2)
+		return (0);
+
+	while ((towlower_l(*s1, loc) == towlower_l(*s2, loc)) && n--) {
+		if (*s1 == 0)
+			return (0);
+		s1++;
+		s2++;
+	}
+	return (towlower_l(*s1, loc) - towlower_l(*s2, loc));
+}
+
+int
+wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n)
+{
+	return (wcsncasecmp_l(s1, s2, n, uselocale(NULL)));
+}