lib/xstrndup.c

   1 /* Duplicate a bounded initial segment of a string, with out-of-memory
   2    checking.
   3    Copyright (C) 2003, 2006, 2007 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 #include <config.h>
  20
  21 /* Specification.  */
  22 #include "xstrndup.h"
  23
  24 #include <string.h>
  25 #include "xalloc.h"
  26
  27 /* Return a newly allocated copy of at most N bytes of STRING.
  28    In other words, return a copy of the initial segment of length N of
  29    STRING.  */
  30 char *
  31 xstrndup (const char *string, size_t n)
  32 {
  33   char *s = strndup (string, n);
  34   if (! s)
  35     xalloc_die ();
  36   return s;
  37 }