1 files changed, 63 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/i18n/strcasecmp.c b/usr/src/lib/libc/port/i18n/strcasecmp.c
new file mode 100644
index 0000000000..44bcf2c9e4
--- /dev/null
+++ b/usr/src/lib/libc/port/i18n/strcasecmp.c
@@ -0,0 +1,63 @@
+/*
+ * 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) 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*
+ * Portions of this source code were derived from Berkeley 4.3 BSD
+ * under license from the Regents of the University of California.
+ */
+
+#include "lint.h"
+#include <sys/types.h>
+#include <strings.h>
+#include <ctype.h>
+
+int
+strcasecmp(const char *s1, const char *s2)
+{
+	extern int charset_is_ascii;
+	extern int ascii_strcasecmp(const char *s1, const char *s2);
+	int *cm;
+	const uchar_t *us1;
+	const uchar_t *us2;
+
+	/*
+	 * If we are in a locale that uses the ASCII character set
+	 * (C or POSIX), use the fast ascii_strcasecmp() function.
+	 */
+	if (charset_is_ascii)
+		return (ascii_strcasecmp(s1, s2));
+
+	cm = __trans_lower;
+	us1 = (const uchar_t *)s1;
+	us2 = (const uchar_t *)s2;
+
+	while (cm[*us1] == cm[*us2++])
+		if (*us1++ == '\0')
+			return (0);
+	return (cm[*us1] - cm[*(us2 - 1)]);
+}