1*8d67ca89SAndroid Build Coastguard Worker /* $OpenBSD: strcmp.c,v 1.9 2015/08/31 02:53:57 guenther Exp $ */
2*8d67ca89SAndroid Build Coastguard Worker
3*8d67ca89SAndroid Build Coastguard Worker /*-
4*8d67ca89SAndroid Build Coastguard Worker * Copyright (c) 1990 The Regents of the University of California.
5*8d67ca89SAndroid Build Coastguard Worker * All rights reserved.
6*8d67ca89SAndroid Build Coastguard Worker *
7*8d67ca89SAndroid Build Coastguard Worker * This code is derived from software contributed to Berkeley by
8*8d67ca89SAndroid Build Coastguard Worker * Chris Torek.
9*8d67ca89SAndroid Build Coastguard Worker *
10*8d67ca89SAndroid Build Coastguard Worker * Redistribution and use in source and binary forms, with or without
11*8d67ca89SAndroid Build Coastguard Worker * modification, are permitted provided that the following conditions
12*8d67ca89SAndroid Build Coastguard Worker * are met:
13*8d67ca89SAndroid Build Coastguard Worker * 1. Redistributions of source code must retain the above copyright
14*8d67ca89SAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer.
15*8d67ca89SAndroid Build Coastguard Worker * 2. Redistributions in binary form must reproduce the above copyright
16*8d67ca89SAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer in the
17*8d67ca89SAndroid Build Coastguard Worker * documentation and/or other materials provided with the distribution.
18*8d67ca89SAndroid Build Coastguard Worker * 3. Neither the name of the University nor the names of its contributors
19*8d67ca89SAndroid Build Coastguard Worker * may be used to endorse or promote products derived from this software
20*8d67ca89SAndroid Build Coastguard Worker * without specific prior written permission.
21*8d67ca89SAndroid Build Coastguard Worker *
22*8d67ca89SAndroid Build Coastguard Worker * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*8d67ca89SAndroid Build Coastguard Worker * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*8d67ca89SAndroid Build Coastguard Worker * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*8d67ca89SAndroid Build Coastguard Worker * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*8d67ca89SAndroid Build Coastguard Worker * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*8d67ca89SAndroid Build Coastguard Worker * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*8d67ca89SAndroid Build Coastguard Worker * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*8d67ca89SAndroid Build Coastguard Worker * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*8d67ca89SAndroid Build Coastguard Worker * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*8d67ca89SAndroid Build Coastguard Worker * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*8d67ca89SAndroid Build Coastguard Worker * SUCH DAMAGE.
33*8d67ca89SAndroid Build Coastguard Worker */
34*8d67ca89SAndroid Build Coastguard Worker
35*8d67ca89SAndroid Build Coastguard Worker #include <string.h>
36*8d67ca89SAndroid Build Coastguard Worker
37*8d67ca89SAndroid Build Coastguard Worker /*
38*8d67ca89SAndroid Build Coastguard Worker * Compare strings.
39*8d67ca89SAndroid Build Coastguard Worker */
40*8d67ca89SAndroid Build Coastguard Worker int
strcmp_gc(const char * s1,const char * s2)41*8d67ca89SAndroid Build Coastguard Worker strcmp_gc(const char *s1, const char *s2)
42*8d67ca89SAndroid Build Coastguard Worker {
43*8d67ca89SAndroid Build Coastguard Worker while (*s1 == *s2++)
44*8d67ca89SAndroid Build Coastguard Worker if (*s1++ == 0)
45*8d67ca89SAndroid Build Coastguard Worker return (0);
46*8d67ca89SAndroid Build Coastguard Worker return (*(unsigned char *)s1 - *(unsigned char *)--s2);
47*8d67ca89SAndroid Build Coastguard Worker }
48