1*b636d99dSDavid van Moolenbroek /*
2*b636d99dSDavid van Moolenbroek * Copyright (c) 1988, 1993
3*b636d99dSDavid van Moolenbroek * The Regents of the University of California. All rights reserved.
4*b636d99dSDavid van Moolenbroek *
5*b636d99dSDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without
6*b636d99dSDavid van Moolenbroek * modification, are permitted provided that the following conditions
7*b636d99dSDavid van Moolenbroek * are met:
8*b636d99dSDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright
9*b636d99dSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer.
10*b636d99dSDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright
11*b636d99dSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer in the
12*b636d99dSDavid van Moolenbroek * documentation and/or other materials provided with the distribution.
13*b636d99dSDavid van Moolenbroek * 3. All advertising materials mentioning features or use of this software
14*b636d99dSDavid van Moolenbroek * must display the following acknowledgement:
15*b636d99dSDavid van Moolenbroek * This product includes software developed by the University of
16*b636d99dSDavid van Moolenbroek * California, Berkeley and its contributors.
17*b636d99dSDavid van Moolenbroek * 4. Neither the name of the University nor the names of its contributors
18*b636d99dSDavid van Moolenbroek * may be used to endorse or promote products derived from this software
19*b636d99dSDavid van Moolenbroek * without specific prior written permission.
20*b636d99dSDavid van Moolenbroek *
21*b636d99dSDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22*b636d99dSDavid van Moolenbroek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23*b636d99dSDavid van Moolenbroek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24*b636d99dSDavid van Moolenbroek * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25*b636d99dSDavid van Moolenbroek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26*b636d99dSDavid van Moolenbroek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27*b636d99dSDavid van Moolenbroek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28*b636d99dSDavid van Moolenbroek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29*b636d99dSDavid van Moolenbroek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30*b636d99dSDavid van Moolenbroek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31*b636d99dSDavid van Moolenbroek * SUCH DAMAGE.
32*b636d99dSDavid van Moolenbroek */
33*b636d99dSDavid van Moolenbroek
34*b636d99dSDavid van Moolenbroek #include <stddef.h>
35*b636d99dSDavid van Moolenbroek #include <stdlib.h>
36*b636d99dSDavid van Moolenbroek #include <string.h>
37*b636d99dSDavid van Moolenbroek
38*b636d99dSDavid van Moolenbroek #include "interface.h"
39*b636d99dSDavid van Moolenbroek
40*b636d99dSDavid van Moolenbroek char *
strdup(str)41*b636d99dSDavid van Moolenbroek strdup(str)
42*b636d99dSDavid van Moolenbroek const char *str;
43*b636d99dSDavid van Moolenbroek {
44*b636d99dSDavid van Moolenbroek size_t len;
45*b636d99dSDavid van Moolenbroek char *copy;
46*b636d99dSDavid van Moolenbroek
47*b636d99dSDavid van Moolenbroek len = strlen(str) + 1;
48*b636d99dSDavid van Moolenbroek if ((copy = malloc(len)) == NULL)
49*b636d99dSDavid van Moolenbroek return (NULL);
50*b636d99dSDavid van Moolenbroek memcpy(copy, str, len);
51*b636d99dSDavid van Moolenbroek return (copy);
52*b636d99dSDavid van Moolenbroek }
53