1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * Get matching substring
31*0Sstevel@tonic-gate */
32*0Sstevel@tonic-gate #include <string.h>
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate #pragma weak strstr = _strstr
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate char *
_strstr(s1,s2)37*0Sstevel@tonic-gate _strstr(s1, s2)
38*0Sstevel@tonic-gate register char *s1, *s2;
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate int s2len = strlen(s2); /* length of the second string */
41*0Sstevel@tonic-gate /*
42*0Sstevel@tonic-gate * If the length of the second string is 0,
43*0Sstevel@tonic-gate * return the first argument.
44*0Sstevel@tonic-gate */
45*0Sstevel@tonic-gate if (s2len == 0)
46*0Sstevel@tonic-gate return (s1);
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate while (strlen(s1) >= s2len) {
49*0Sstevel@tonic-gate if (strncmp(s1, s2, s2len) == 0)
50*0Sstevel@tonic-gate return (s1);
51*0Sstevel@tonic-gate s1++;
52*0Sstevel@tonic-gate }
53*0Sstevel@tonic-gate return (0);
54*0Sstevel@tonic-gate }
55