contrib/texinfo-4/lib/substring.c

   1 /* substring.c -- extract substring.
   2    $Id: substring.c,v 1.2 2004/04/11 17:56:46 karl Exp $
   3
   4    Copyright (C) 1999, 2004 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License along
  17    with this program; if not, write to the Free Software Foundation, Inc.,
  18    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #include "system.h"
  21
  22 char *
  23 substring (const char *start, const char *end)
  24 {
  25   char *result = xmalloc (end - start + 1);
  26   char *scan_result = result;
  27   const char *scan = start;
  28
  29   while (scan < end)
  30     *scan_result++ = *scan++;
  31
  32   *scan_result = 0;
  33   return result;
  34 }
  35