1 /* @(#)strcmp.c	1.6 09/06/07 Copyright 1985,2009 J. Schilling */
2 /*
3  *	strcmp() to be used if missing in libc
4  *
5  *	Copyright (c) 1985,2009 J. Schilling
6  */
7 /*
8  * The contents of this file are subject to the terms of the
9  * Common Development and Distribution License, Version 1.0 only
10  * (the "License").  You may not use this file except in compliance
11  * with the License.
12  *
13  * See the file CDDL.Schily.txt in this distribution for details.
14  * A copy of the CDDL is also available via the Internet at
15  * http://www.opensource.org/licenses/cddl1.txt
16  *
17  * When distributing Covered Code, include this CDDL HEADER in each
18  * file and include the License file CDDL.Schily.txt from this distribution.
19  */
20 
21 #include <schily/standard.h>
22 #include <schily/schily.h>
23 
24 #ifndef	HAVE_STRCMP
25 
26 EXPORT int
strcmp(s1,s2)27 strcmp(s1, s2)
28 	register const char	*s1;
29 	register const char	*s2;
30 {
31 	if (s1 == s2)
32 		return (0);
33 
34 	while (*s1 == *s2++) {
35 		if (*s1++ == '\0')
36 			return (0);
37 	}
38 	return (*(unsigned char *)s1 - *(unsigned char *)(--s2));
39 }
40 
41 #endif
42