1  /* Duplicate a bounded initial segment of a string, with out-of-memory
       2     checking.
       3     Copyright (C) 2003, 2006-2007, 2009-2021 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 <https://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 *
      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  }