gnu/dist/texinfo/lib/substring.c

   1 /*      $NetBSD$        */
   2
   3 /* substring.c -- extract substring.
   4    Id: substring.c,v 1.2 2004/04/11 17:56:46 karl Exp
   5
   6    Copyright (C) 1999, 2004 Free Software Foundation, Inc.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2, or (at your option)
  11    any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License along
  19    with this program; if not, write to the Free Software Foundation, Inc.,
  20    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #include "system.h"
  23
  24 char *
  25 substring (const char *start, const char *end)
  26 {
  27   char *result = xmalloc (end - start + 1);
  28   char *scan_result = result;
  29   const char *scan = start;
  30
  31   while (scan < end)
  32     *scan_result++ = *scan++;
  33
  34   *scan_result = 0;
  35   return result;
  36 }
  37