xref: /netbsd-src/external/bsd/ipf/dist/lib/dupmbt.c (revision b757af438b42b93f8c6571f026d8b8ef3eaf5fc9)
1 /*	$NetBSD: dupmbt.c,v 1.1.1.1 2012/03/23 21:20:08 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2009 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * Id: dupmbt.c,v 1.3.2.1 2012/01/26 05:44:26 darren_r Exp
9  */
10 
11 #include "ipf.h"
12 
13 mb_t *dupmbt(orig)
14 	mb_t *orig;
15 {
16 	mb_t *m;
17 
18 	m = (mb_t *)malloc(sizeof(mb_t));
19 	if (m == NULL)
20 		return NULL;
21 	m->mb_len = orig->mb_len;
22 	m->mb_next = NULL;
23 	m->mb_data = (char *)m->mb_buf + (orig->mb_data - (char *)orig->mb_buf);
24 	bcopy(orig->mb_data, m->mb_data, m->mb_len);
25 	return m;
26 }
27