1*cf7dd858SToomas Soome /*
2*cf7dd858SToomas Soome * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
3*cf7dd858SToomas Soome * All rights reserved.
4*cf7dd858SToomas Soome *
5*cf7dd858SToomas Soome * Redistribution and use in source and binary forms, with or without
6*cf7dd858SToomas Soome * modification, are permitted provided that the following conditions
7*cf7dd858SToomas Soome * are met:
8*cf7dd858SToomas Soome * 1. Redistributions of source code must retain the above copyright
9*cf7dd858SToomas Soome * notice, this list of conditions and the following disclaimer.
10*cf7dd858SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
11*cf7dd858SToomas Soome * notice, this list of conditions and the following disclaimer in the
12*cf7dd858SToomas Soome * documentation and/or other materials provided with the distribution.
13*cf7dd858SToomas Soome *
14*cf7dd858SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*cf7dd858SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*cf7dd858SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*cf7dd858SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*cf7dd858SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*cf7dd858SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*cf7dd858SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*cf7dd858SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*cf7dd858SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*cf7dd858SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*cf7dd858SToomas Soome * SUCH DAMAGE.
25*cf7dd858SToomas Soome */
26*cf7dd858SToomas Soome
27*cf7dd858SToomas Soome #include <sys/cdefs.h>
28*cf7dd858SToomas Soome #include <string.h>
29*cf7dd858SToomas Soome
30*cf7dd858SToomas Soome char *
stpncpy(char * __restrict dst,const char * __restrict src,size_t n)31*cf7dd858SToomas Soome stpncpy(char * __restrict dst, const char * __restrict src, size_t n)
32*cf7dd858SToomas Soome {
33*cf7dd858SToomas Soome
34*cf7dd858SToomas Soome for (; n--; dst++, src++) {
35*cf7dd858SToomas Soome if (!(*dst = *src)) {
36*cf7dd858SToomas Soome char *ret = dst;
37*cf7dd858SToomas Soome while (n--)
38*cf7dd858SToomas Soome *++dst = '\0';
39*cf7dd858SToomas Soome return (ret);
40*cf7dd858SToomas Soome }
41*cf7dd858SToomas Soome }
42*cf7dd858SToomas Soome return (dst);
43*cf7dd858SToomas Soome }
44