1 /* Duplicate a bounded initial segment of a string, with out-of-memory
2 checking.
3 Copyright (C) 2003, 2006-2007, 2009-2012 Free Software Foundation, Inc.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <config.h>
19
20 /* Specification. */
21 #include "xstrndup.h"
22
23 #include <string.h>
24 #include "xalloc.h"
25
26 /* Return a newly allocated copy of at most N bytes of STRING.
27 In other words, return a copy of the initial segment of length N of
28 STRING. */
29 char *
xstrndup(const char * string,size_t n)30 xstrndup (const char *string, size_t n)
31 {
32 char *s = strndup (string, n);
33 if (! s)
34 xalloc_die ();
35 return s;
36 }
37