1*479ab7f0SSascha Wildner /*
2*479ab7f0SSascha Wildner * Copyright (c) 1988, 1993
3*479ab7f0SSascha Wildner * The Regents of the University of California. All rights reserved.
4*479ab7f0SSascha Wildner *
5*479ab7f0SSascha Wildner * Redistribution and use in source and binary forms, with or without
6*479ab7f0SSascha Wildner * modification, are permitted provided that the following conditions
7*479ab7f0SSascha Wildner * are met:
8*479ab7f0SSascha Wildner * 1. Redistributions of source code must retain the above copyright
9*479ab7f0SSascha Wildner * notice, this list of conditions and the following disclaimer.
10*479ab7f0SSascha Wildner * 2. Redistributions in binary form must reproduce the above copyright
11*479ab7f0SSascha Wildner * notice, this list of conditions and the following disclaimer in the
12*479ab7f0SSascha Wildner * documentation and/or other materials provided with the distribution.
13*479ab7f0SSascha Wildner * 3. Neither the name of the University nor the names of its contributors
14*479ab7f0SSascha Wildner * may be used to endorse or promote products derived from this software
15*479ab7f0SSascha Wildner * without specific prior written permission.
16*479ab7f0SSascha Wildner *
17*479ab7f0SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*479ab7f0SSascha Wildner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*479ab7f0SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*479ab7f0SSascha Wildner * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*479ab7f0SSascha Wildner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*479ab7f0SSascha Wildner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*479ab7f0SSascha Wildner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*479ab7f0SSascha Wildner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*479ab7f0SSascha Wildner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*479ab7f0SSascha Wildner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*479ab7f0SSascha Wildner * SUCH DAMAGE.
28*479ab7f0SSascha Wildner *
29*479ab7f0SSascha Wildner * @(#)strdup.c 8.1 (Berkeley) 6/4/93
30*479ab7f0SSascha Wildner * $DragonFly: src/lib/libstand/strdup.c,v 1.3 2005/12/11 02:27:26 swildner Exp $
31*479ab7f0SSascha Wildner */
32*479ab7f0SSascha Wildner
33*479ab7f0SSascha Wildner #include "stand.h"
34*479ab7f0SSascha Wildner #include <stddef.h>
35*479ab7f0SSascha Wildner #include <string.h>
36*479ab7f0SSascha Wildner
37*479ab7f0SSascha Wildner char *
strdup(const char * str)38*479ab7f0SSascha Wildner strdup(const char *str)
39*479ab7f0SSascha Wildner {
40*479ab7f0SSascha Wildner size_t len;
41*479ab7f0SSascha Wildner char *copy = NULL;
42*479ab7f0SSascha Wildner
43*479ab7f0SSascha Wildner if (str != NULL) {
44*479ab7f0SSascha Wildner len = strlen(str) + 1;
45*479ab7f0SSascha Wildner if ((copy = malloc(len)) == NULL)
46*479ab7f0SSascha Wildner return (NULL);
47*479ab7f0SSascha Wildner memcpy(copy, str, len);
48*479ab7f0SSascha Wildner }
49*479ab7f0SSascha Wildner return (copy);
50*479ab7f0SSascha Wildner }
51