10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*6812Sraf * Common Development and Distribution License (the "License").
6*6812Sraf * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
211219Sraf
22*6812Sraf /*
23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24*6812Sraf * Use is subject to license terms.
25*6812Sraf */
26*6812Sraf
270Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
320Sstevel@tonic-gate #include <sys/types.h>
330Sstevel@tonic-gate #include "libmail.h"
340Sstevel@tonic-gate
350Sstevel@tonic-gate /*
360Sstevel@tonic-gate * This routine looks for string2 in string1.
370Sstevel@tonic-gate * If found, it returns the position string2 is found at,
380Sstevel@tonic-gate * otherwise it returns a -1.
390Sstevel@tonic-gate */
400Sstevel@tonic-gate int
substr(char * string1,char * string2)410Sstevel@tonic-gate substr(char *string1, char *string2)
420Sstevel@tonic-gate {
430Sstevel@tonic-gate int i, j, len1, len2;
440Sstevel@tonic-gate
450Sstevel@tonic-gate /* the size of the substring will always fit into an int */
460Sstevel@tonic-gate /*LINTED*/
470Sstevel@tonic-gate len1 = (int)strlen(string1);
480Sstevel@tonic-gate /*LINTED*/
490Sstevel@tonic-gate len2 = (int)strlen(string2);
500Sstevel@tonic-gate for (i = 0; i < len1 - len2 + 1; i++) {
51*6812Sraf for (j = 0; j < len2 && string1[i+j] == string2[j]; j++)
52*6812Sraf continue;
530Sstevel@tonic-gate if (j == len2)
540Sstevel@tonic-gate return (i);
550Sstevel@tonic-gate }
560Sstevel@tonic-gate return (-1);
570Sstevel@tonic-gate }
58