1 /* A replacement function, for systems that lack strndup.
2
3 Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2018 Free Software
4 Foundation, Inc.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 3, or (at your option) any
9 later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <https://www.gnu.org/licenses/>. */
18
19 #include <config.h>
20
21 #include <string.h>
22
23 #include <stdlib.h>
24
25 char *
strndup(char const * s,size_t n)26 strndup (char const *s, size_t n)
27 {
28 size_t len = strnlen (s, n);
29 char *new = malloc (len + 1);
30
31 if (new == NULL)
32 return NULL;
33
34 new[len] = '\0';
35 return memcpy (new, s, len);
36 }
37