17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21e8031f0aSraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24e8031f0aSraf * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 27*7257d1b4Sraf /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7257d1b4Sraf /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 30*7257d1b4Sraf #pragma ident "%Z%%M% %I% %E% SMI" 31*7257d1b4Sraf 327c478bd9Sstevel@tonic-gate #include <sys/types.h> 337c478bd9Sstevel@tonic-gate #include "libmail.h" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * This routine looks for string2 in string1. 377c478bd9Sstevel@tonic-gate * If found, it returns the position string2 is found at, 387c478bd9Sstevel@tonic-gate * otherwise it returns a -1. 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate int 417c478bd9Sstevel@tonic-gate substr(char *string1, char *string2) 427c478bd9Sstevel@tonic-gate { 437c478bd9Sstevel@tonic-gate int i, j, len1, len2; 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* the size of the substring will always fit into an int */ 467c478bd9Sstevel@tonic-gate /*LINTED*/ 477c478bd9Sstevel@tonic-gate len1 = (int)strlen(string1); 487c478bd9Sstevel@tonic-gate /*LINTED*/ 497c478bd9Sstevel@tonic-gate len2 = (int)strlen(string2); 507c478bd9Sstevel@tonic-gate for (i = 0; i < len1 - len2 + 1; i++) { 51*7257d1b4Sraf for (j = 0; j < len2 && string1[i+j] == string2[j]; j++) 52*7257d1b4Sraf continue; 537c478bd9Sstevel@tonic-gate if (j == len2) 547c478bd9Sstevel@tonic-gate return (i); 557c478bd9Sstevel@tonic-gate } 567c478bd9Sstevel@tonic-gate return (-1); 577c478bd9Sstevel@tonic-gate } 58