1*0a6a1f1dSLionel Sambuc /* $NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include <sys/cdefs.h>
30*0a6a1f1dSLionel Sambuc __COPYRIGHT("@(#) Copyright (c) 2008\
31*0a6a1f1dSLionel Sambuc The NetBSD Foundation, inc. All rights reserved.");
32*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: h_stpncpy.c,v 1.2 2014/04/07 15:09:20 christos Exp $");
33*0a6a1f1dSLionel Sambuc
34*0a6a1f1dSLionel Sambuc #include <stdio.h>
35*0a6a1f1dSLionel Sambuc #include <string.h>
36*0a6a1f1dSLionel Sambuc #include <unistd.h>
37*0a6a1f1dSLionel Sambuc #include <stdlib.h>
38*0a6a1f1dSLionel Sambuc
39*0a6a1f1dSLionel Sambuc int
main(int argc,char * argv[])40*0a6a1f1dSLionel Sambuc main(int argc, char *argv[])
41*0a6a1f1dSLionel Sambuc {
42*0a6a1f1dSLionel Sambuc char b[10];
43*0a6a1f1dSLionel Sambuc int len = atoi(argv[1]);
44*0a6a1f1dSLionel Sambuc #if __GNUC_PREREQ__(4, 8)
45*0a6a1f1dSLionel Sambuc char *q = stpncpy(b, "1020202020202", len);
46*0a6a1f1dSLionel Sambuc
47*0a6a1f1dSLionel Sambuc if (q - b != len)
48*0a6a1f1dSLionel Sambuc abort();
49*0a6a1f1dSLionel Sambuc #else
50*0a6a1f1dSLionel Sambuc // gcc-4.5 lacks __builtin___stpncpy_chk, lose.
51*0a6a1f1dSLionel Sambuc (void)strncpy(b, "1020202020202", len);
52*0a6a1f1dSLionel Sambuc #endif
53*0a6a1f1dSLionel Sambuc
54*0a6a1f1dSLionel Sambuc (void)printf("%*.*s\n", len, len, b);
55*0a6a1f1dSLionel Sambuc return 0;
56*0a6a1f1dSLionel Sambuc }
57