xref: /netbsd-src/external/gpl2/texinfo/dist/lib/substring.c (revision 29619d2afe564e54d657b83e5a3ae89584f83720)
1 /*	$NetBSD: substring.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $	*/
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 *
substring(const char * start,const char * end)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 
38