xstrndup.c revision cea198a11f15a2eb071d98491ca9a8bc8cebfbc4 
1/* Duplicate a bounded initial segment of a string, with out-of-memory
2   checking.
3   Copyright (C) 2003 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 2, or (at your option)
8   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, write to the Free Software Foundation,
17   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18
19#ifdef HAVE_CONFIG_H
20# include <config.h>
21#endif
22
23/* Specification.  */
24#include "xstrndup.h"
25
26#include "strndup.h"
27#include "xalloc.h"
28
29/* Return a newly allocated copy of at most N bytes of STRING.
30   In other words, return a copy of the initial segment of length N of
31   STRING.  */
32char *
33xstrndup (const char *string, size_t n)
34{
35  char *s = strndup (string, n);
36  if (! s)
37    xalloc_die ();
38  return s;
39}
40