Branch data     Line data    Source code

       1                 :            : /* Duplicate a bounded initial segment of a string, with out-of-memory
       2                 :            :    checking.
       3                 :            :    Copyright (C) 2003, 2006, 2007, 2009, 2010 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 *
      30                 :          6 : xstrndup (const char *string, size_t n)
      31                 :            : {
      32                 :          6 :   char *s = strndup (string, n);
      33         [ -  + ]:          6 :   if (! s)
      34                 :          0 :     xalloc_die ();
      35                 :          6 :   return s;
      36                 :            : }