xref: /netbsd-src/external/bsd/ipf/dist/lib/dupmbt.c (revision 13885a665959c62f13a82b3caedf986eaa17aa31)
1*13885a66Sdarrenr /*	$NetBSD: dupmbt.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $	*/
2bc4097aaSchristos 
3bc4097aaSchristos /*
4c9d5dc6cSdarrenr  * Copyright (C) 2012 by Darren Reed.
5bc4097aaSchristos  *
6bc4097aaSchristos  * See the IPFILTER.LICENCE file for details on licencing.
7bc4097aaSchristos  *
8*13885a66Sdarrenr  * Id: dupmbt.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
9bc4097aaSchristos  */
10bc4097aaSchristos 
11bc4097aaSchristos #include "ipf.h"
12bc4097aaSchristos 
dupmbt(orig)13bc4097aaSchristos mb_t *dupmbt(orig)
14bc4097aaSchristos 	mb_t *orig;
15bc4097aaSchristos {
16bc4097aaSchristos 	mb_t *m;
17bc4097aaSchristos 
18bc4097aaSchristos 	m = (mb_t *)malloc(sizeof(mb_t));
19bc4097aaSchristos 	if (m == NULL)
20bc4097aaSchristos 		return NULL;
21bc4097aaSchristos 	m->mb_len = orig->mb_len;
22bc4097aaSchristos 	m->mb_next = NULL;
23bc4097aaSchristos 	m->mb_data = (char *)m->mb_buf + (orig->mb_data - (char *)orig->mb_buf);
24bc4097aaSchristos 	bcopy(orig->mb_data, m->mb_data, m->mb_len);
25bc4097aaSchristos 	return m;
26bc4097aaSchristos }
27