1 /* @(#)wcsncpy.c	1.6 10/05/07 Copyright 2006-2010 J. Schilling */
2 #include <schily/mconfig.h>
3 #ifndef lint
4 static	UConst char sccsid[] =
5 	"@(#)wcsncpy.c	1.6 10/05/07 Copyright 2006-2010 J. Schilling";
6 #endif
7 /*
8  *	wcsncpy() to be used if missing in libc
9  *
10  *	Copyright (c) 2006-2010 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  * A copy of the CDDL is also available via the Internet at
20  * http://www.opensource.org/licenses/cddl1.txt
21  *
22  * When distributing Covered Code, include this CDDL HEADER in each
23  * file and include the License file CDDL.Schily.txt from this distribution.
24  */
25 
26 #include <schily/standard.h>
27 #include <schily/unistd.h>
28 #include <schily/wchar.h>
29 #include <schily/schily.h>
30 
31 #ifndef	HAVE_WCSNCPY
32 
33 EXPORT wchar_t *
wcsncpy(s1,s2,len)34 wcsncpy(s1, s2, len)
35 	register wchar_t	*s1;
36 	register const wchar_t	*s2;
37 	register size_t		len;
38 {
39 	wchar_t	 *ret	= s1;
40 
41 	if (len == 0)
42 		return (ret);
43 
44 	do {
45 		if ((*s1++ = *s2++) == '\0')
46 			break;
47 	} while (--len > 0);
48 	if (len > 0) {
49 		while (--len > 0)
50 			*s1++ = '\0';
51 	}
52 	return (ret);
53 }
54 #endif	/* HAVE_WCSNCPY */
55