xref: /freebsd/contrib/netbsd-tests/lib/libc/ssp/h_stpncpy.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 /* $NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $ */
2 
3 /*
4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __COPYRIGHT("@(#) Copyright (c) 2008\
31  The NetBSD Foundation, inc. All rights reserved.");
32 __RCSID("$NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $");
33 
34 #include <stdio.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <stdlib.h>
38 
39 int
40 main(int argc, char *argv[])
41 {
42 	char b[10];
43 	int len = atoi(argv[1]);
44 #if __GNUC_PREREQ__(4, 8)
45 	char *q = stpncpy(b, "1020202020202", len);
46 
47 	if (q - b != len)
48 		abort();
49 #else
50 	// gcc-4.5 lacks __builtin___stpncpy_chk, lose.
51 	(void)strncpy(b, "1020202020202", len);
52 #endif
53 
54 	(void)printf("%*.*s\n", len, len, b);
55 	return 0;
56 }
57