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.  */
29char *
30xstrndup (const char *string, size_t n)
31{
32  char *s = strndup (string, n);
33  if (! s)
34    xalloc_die ();
35  return s;
36}
37