1 /* @(#)strlcpy.c	1.4 09/07/08 Copyright 2006-2009 J. Schilling */
2 #include <schily/mconfig.h>
3 #ifndef lint
4 static	UConst char sccsid[] =
5 	"@(#)strlcpy.c	1.4 09/07/08 Copyright 2006-2009 J. Schilling";
6 #endif
7 /*
8  *	strlcpy() to be used if missing in libc
9  *
10  *	Copyright (c) 2006-2009 J. Schilling
11  */
12 /*
13  * The contents of this file are subject to the terms of the
14  * Common Development and Distribution License, Version 1.0 only
15  * (the "License").  You may not use this file except in compliance
16  * with the License.
17  *
18  * See the file CDDL.Schily.txt in this distribution for details.
19  *
20  * When distributing Covered Code, include this CDDL HEADER in each
21  * file and include the License file CDDL.Schily.txt from this distribution.
22  */
23 
24 #include <schily/standard.h>
25 #include <schily/unistd.h>
26 #include <schily/libport.h>
27 
28 #ifndef	HAVE_STRLCPY
29 
30 EXPORT size_t
31 strlcpy(s1, s2, len)
32 	register char		*s1;
33 	register const char	*s2;
34 	register size_t		len;
35 {
36 	const char		 *os2	= s2;
37 
38 	if (len > 0) {
39 		while (--len > 0 && (*s1++ = *s2++) != '\0')
40 			;
41 		if (len == 0) {
42 			*s1 = '\0';
43 			while (*s2++ != '\0')
44 				;
45 		}
46 	} else {
47 		while (*s2++ != '\0')
48 			;
49 	}
50 	return (--s2 - os2);
51 }
52 #endif	/* HAVE_STRLCPY */
53