Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
39 lines
824 B
C
Executable File
39 lines
824 B
C
Executable File
/* $Id: inet6_rth_init.c 1.1 03/12/09 09:57:45+02:00 anttit@tcs.hut.fi $ */
|
|
|
|
/* This is a substitute for a missing inet6_rth_init(). */
|
|
|
|
#include <stdio.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/ip6.h>
|
|
|
|
#ifndef IPV6_RTHDR_TYPE_2
|
|
#define IPV6_RTHDR_TYPE_2 2
|
|
#endif
|
|
|
|
void *inet6_rth_init(void *bp, socklen_t bplen, int type,
|
|
int segments)
|
|
{
|
|
struct ip6_rthdr *rth = (struct ip6_rthdr *)bp;
|
|
uint8_t type_len = 0;
|
|
|
|
if (type == IPV6_RTHDR_TYPE_0) {
|
|
type_len = 8;
|
|
*(uint32_t *)(rth+1) = 0;
|
|
} else if (type == IPV6_RTHDR_TYPE_2) {
|
|
type_len = 8;
|
|
*(uint32_t *)(rth+1) = 0;
|
|
} else
|
|
return NULL;
|
|
|
|
if (bplen < type_len + segments * sizeof(struct in6_addr))
|
|
return NULL;
|
|
|
|
rth->ip6r_nxt = 0;
|
|
rth->ip6r_len = segments << 1;
|
|
rth->ip6r_type = type;
|
|
rth->ip6r_segleft = 0;
|
|
|
|
return bp;
|
|
}
|