2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include <sys/types.h>
2N/A#include "libmail.h"
2N/A
2N/A/*
2N/A * This routine looks for string2 in string1.
2N/A * If found, it returns the position string2 is found at,
2N/A * otherwise it returns a -1.
2N/A */
2N/Aint
2N/Asubstr(char *string1, char *string2)
2N/A{
2N/A int i, j, len1, len2;
2N/A
2N/A /* the size of the substring will always fit into an int */
2N/A /*LINTED*/
2N/A len1 = (int)strlen(string1);
2N/A /*LINTED*/
2N/A len2 = (int)strlen(string2);
2N/A for (i = 0; i < len1 - len2 + 1; i++) {
2N/A for (j = 0; j < len2 && string1[i+j] == string2[j]; j++)
2N/A continue;
2N/A if (j == len2)
2N/A return (i);
2N/A }
2N/A return (-1);
2N/A}