xref: /netbsd-src/external/bsd/ipf/dist/lib/dupmbt.c (revision 13885a665959c62f13a82b3caedf986eaa17aa31)
1 /*	$NetBSD: dupmbt.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $	*/
2 
3 /*
4  * Copyright (C) 2012 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * Id: dupmbt.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
9  */
10 
11 #include "ipf.h"
12 
dupmbt(orig)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