OpenSolaris Launch

1 files changed, 59 insertions, 0 deletions

diff --git a/usr/src/lib/libmail/common/substr.c b/usr/src/lib/libmail/common/substr.c
new file mode 100644
index 0000000000..74c7be8de7
--- /dev/null
+++ b/usr/src/lib/libmail/common/substr.c
@@ -0,0 +1,59 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+/*
+ * Copyright (c) 1999, by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/*LINTLIBRARY*/
+
+#include "synonyms.h"
+#include <sys/types.h>
+#include "libmail.h"
+
+/*
+ *	This routine looks for string2 in string1.
+ *	If found, it returns the position string2 is found at,
+ *	otherwise it returns a -1.
+ */
+int
+substr(char *string1, char *string2)
+{
+	int i, j, len1, len2;
+
+	/* the size of the substring will always fit into an int */
+	/*LINTED*/
+	len1 = (int)strlen(string1);
+	/*LINTED*/
+	len2 = (int)strlen(string2);
+	for (i = 0; i < len1 - len2 + 1; i++) {
+		for (j = 0; j < len2 && string1[i+j] == string2[j]; j++);
+		if (j == len2)
+			return (i);
+	}
+	return (-1);
+}