KNF.
This commit is contained in:
itojun
parent
dae4d45d30
commit
e72a5afeb3
@ -1,4 +1,4 @@
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/* $NetBSD: rthdr.c,v 1.12 2002/06/27 10:22:12 itojun Exp $ */
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/* $NetBSD: rthdr.c,v 1.13 2003/06/06 06:43:18 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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@ -31,7 +31,7 @@
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: rthdr.c,v 1.12 2002/06/27 10:22:12 itojun Exp $");
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__RCSID("$NetBSD: rthdr.c,v 1.13 2003/06/06 06:43:18 itojun Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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@ -58,288 +58,222 @@ __weak_alias(inet6_rthdr_space,_inet6_rthdr_space)
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size_t
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inet6_rthdr_space(type, seg)
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int type, seg;
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int type, seg;
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{
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switch(type) {
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case IPV6_RTHDR_TYPE_0:
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if (seg < 1 || seg > 23)
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return(0);
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return(CMSG_SPACE(sizeof(struct in6_addr) * (seg - 1)
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+ sizeof(struct ip6_rthdr0)));
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_space: unknown type(%d)\n", type);
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#endif
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return(0);
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}
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switch (type) {
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case IPV6_RTHDR_TYPE_0:
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if (seg < 1 || seg > 23)
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return (0);
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return (CMSG_SPACE(sizeof(struct in6_addr) * (seg - 1) +
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sizeof(struct ip6_rthdr0)));
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default:
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return (0);
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}
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}
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struct cmsghdr *
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inet6_rthdr_init(bp, type)
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void *bp;
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int type;
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void *bp;
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int type;
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{
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struct cmsghdr *ch;
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struct ip6_rthdr *rthdr;
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struct cmsghdr *ch;
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struct ip6_rthdr *rthdr;
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_DIAGASSERT(bp != NULL);
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_DIAGASSERT(bp != NULL);
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ch = (struct cmsghdr *)bp;
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(ch);
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ch = (struct cmsghdr *)bp;
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(ch);
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ch->cmsg_level = IPPROTO_IPV6;
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ch->cmsg_type = IPV6_RTHDR;
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ch->cmsg_level = IPPROTO_IPV6;
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ch->cmsg_type = IPV6_RTHDR;
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switch(type) {
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case IPV6_RTHDR_TYPE_0:
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ch->cmsg_len = CMSG_LEN(sizeof(struct ip6_rthdr0) - sizeof(struct in6_addr));
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(void)memset(rthdr, 0, sizeof(struct ip6_rthdr0));
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rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
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return(ch);
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_init: unknown type(%d)\n", type);
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#endif
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return(NULL);
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}
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switch (type) {
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case IPV6_RTHDR_TYPE_0:
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ch->cmsg_len = CMSG_LEN(sizeof(struct ip6_rthdr0) -
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sizeof(struct in6_addr));
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(void)memset(rthdr, 0, sizeof(struct ip6_rthdr0));
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rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
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return (ch);
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default:
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return (NULL);
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}
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}
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int
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inet6_rthdr_add(cmsg, addr, flags)
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struct cmsghdr *cmsg;
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const struct in6_addr *addr;
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u_int flags;
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struct cmsghdr *cmsg;
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const struct in6_addr *addr;
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u_int flags;
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{
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struct ip6_rthdr *rthdr;
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struct ip6_rthdr *rthdr;
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(addr != NULL);
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(addr != NULL);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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switch(rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_add: unsupported flag(%u)\n", flags);
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#endif
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return(-1);
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}
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if (rt0->ip6r0_segleft == 23) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_add: segment overflow\n");
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#endif
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return(-1);
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}
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if (flags == IPV6_RTHDR_STRICT) {
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int c, b;
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c = rt0->ip6r0_segleft / 8;
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b = rt0->ip6r0_segleft % 8;
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rt0->ip6r0_slmap[c] |= (1 << (7 - b));
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}
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rt0->ip6r0_segleft++;
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(void)memcpy(((caddr_t)(void *)rt0) + ((rt0->ip6r0_len + 1) << 3), addr,
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sizeof(struct in6_addr));
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rt0->ip6r0_len += sizeof(struct in6_addr) >> 3;
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cmsg->cmsg_len = CMSG_LEN((rt0->ip6r0_len + 1) << 3);
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break;
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}
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_add: unknown type(%u)\n",
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rthdr->ip6r_type);
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#endif
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return(-1);
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}
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switch (rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT)
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return (-1);
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if (rt0->ip6r0_segleft == 23)
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return (-1);
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if (flags == IPV6_RTHDR_STRICT) {
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int c, b;
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c = rt0->ip6r0_segleft / 8;
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b = rt0->ip6r0_segleft % 8;
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rt0->ip6r0_slmap[c] |= (1 << (7 - b));
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}
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rt0->ip6r0_segleft++;
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(void)memcpy(((caddr_t)(void *)rt0) +
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((rt0->ip6r0_len + 1) << 3), addr, sizeof(struct in6_addr));
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rt0->ip6r0_len += sizeof(struct in6_addr) >> 3;
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cmsg->cmsg_len = CMSG_LEN((rt0->ip6r0_len + 1) << 3);
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break;
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}
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default:
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return (-1);
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}
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return(0);
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return (0);
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}
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int
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inet6_rthdr_lasthop(cmsg, flags)
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struct cmsghdr *cmsg;
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unsigned int flags;
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struct cmsghdr *cmsg;
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unsigned int flags;
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{
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struct ip6_rthdr *rthdr;
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struct ip6_rthdr *rthdr;
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(cmsg != NULL);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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switch(rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_lasthop: unsupported flag(%u)\n", flags);
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#endif
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return(-1);
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}
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if (rt0->ip6r0_segleft > 23) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_add: segment overflow\n");
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#endif
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return(-1);
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}
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if (flags == IPV6_RTHDR_STRICT) {
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int c, b;
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c = rt0->ip6r0_segleft / 8;
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b = rt0->ip6r0_segleft % 8;
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rt0->ip6r0_slmap[c] |= (1 << (7 - b));
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}
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break;
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}
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_lasthop: unknown type(%u)\n",
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rthdr->ip6r_type);
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#endif
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return(-1);
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}
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switch (rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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if (flags != IPV6_RTHDR_LOOSE && flags != IPV6_RTHDR_STRICT)
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return (-1);
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if (rt0->ip6r0_segleft > 23)
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return (-1);
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if (flags == IPV6_RTHDR_STRICT) {
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int c, b;
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c = rt0->ip6r0_segleft / 8;
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b = rt0->ip6r0_segleft % 8;
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rt0->ip6r0_slmap[c] |= (1 << (7 - b));
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}
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break;
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}
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default:
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return (-1);
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}
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return(0);
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return (0);
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}
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#if 0
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int
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inet6_rthdr_reverse(in, out)
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const struct cmsghdr *in;
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struct cmsghdr *out;
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const struct cmsghdr *in;
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struct cmsghdr *out;
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{
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_reverse: not implemented yet\n");
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#endif
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return -1;
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return (-1);
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}
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#endif
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int
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inet6_rthdr_segments(cmsg)
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const struct cmsghdr *cmsg;
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const struct cmsghdr *cmsg;
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{
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const struct ip6_rthdr *rthdr;
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const struct ip6_rthdr *rthdr;
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(cmsg != NULL);
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/*LINTED const castaway*/
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rthdr = (const struct ip6_rthdr *)(const void *)CMSG_DATA(cmsg);
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/*LINTED const castaway*/
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rthdr = (const struct ip6_rthdr *)(const void *)CMSG_DATA(cmsg);
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switch(rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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const struct ip6_rthdr0 *rt0 =
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(const struct ip6_rthdr0 *)(const void *)rthdr;
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switch (rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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const struct ip6_rthdr0 *rt0 =
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(const struct ip6_rthdr0 *)(const void *)rthdr;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_segments: invalid size(%u)\n",
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rt0->ip6r0_len);
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#endif
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return -1;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len)
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return (-1);
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return (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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}
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return (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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}
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_segments: unknown type(%u)\n",
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rthdr->ip6r_type);
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#endif
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return -1;
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}
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default:
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return (-1);
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}
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}
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struct in6_addr *
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inet6_rthdr_getaddr(cmsg, idx)
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struct cmsghdr *cmsg;
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int idx;
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struct cmsghdr *cmsg;
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int idx;
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{
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struct ip6_rthdr *rthdr;
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struct ip6_rthdr *rthdr;
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(cmsg != NULL);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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rthdr = (struct ip6_rthdr *)(void *)CMSG_DATA(cmsg);
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switch(rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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int naddr;
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switch (rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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struct ip6_rthdr0 *rt0 = (struct ip6_rthdr0 *)(void *)rthdr;
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int naddr;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getaddr: invalid size(%u)\n",
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rt0->ip6r0_len);
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#endif
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return NULL;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len)
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return NULL;
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naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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if (idx <= 0 || naddr < idx)
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return NULL;
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return &rt0->ip6r0_addr[idx - 1];
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}
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naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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if (idx <= 0 || naddr < idx) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getaddr: invalid index(%d)\n", idx);
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#endif
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return NULL;
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}
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return &rt0->ip6r0_addr[idx - 1];
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}
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getaddr: unknown type(%u)\n",
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rthdr->ip6r_type);
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#endif
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return NULL;
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}
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default:
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return NULL;
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}
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}
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int
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inet6_rthdr_getflags(cmsg, idx)
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const struct cmsghdr *cmsg;
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int idx;
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const struct cmsghdr *cmsg;
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int idx;
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{
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const struct ip6_rthdr *rthdr;
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const struct ip6_rthdr *rthdr;
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_DIAGASSERT(cmsg != NULL);
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_DIAGASSERT(cmsg != NULL);
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/*LINTED const castaway*/
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rthdr = (const struct ip6_rthdr *)(const void *)CMSG_DATA(cmsg);
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/*LINTED const castaway*/
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rthdr = (const struct ip6_rthdr *)(const void *)CMSG_DATA(cmsg);
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switch(rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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const struct ip6_rthdr0 *rt0 = (const struct ip6_rthdr0 *)
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(const void *)rthdr;
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int naddr;
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switch (rthdr->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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{
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const struct ip6_rthdr0 *rt0 = (const struct ip6_rthdr0 *)
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(const void *)rthdr;
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int naddr;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getflags: invalid size(%u)\n",
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rt0->ip6r0_len);
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#endif
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return -1;
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if (rt0->ip6r0_len % 2 || 46 < rt0->ip6r0_len)
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return (-1);
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naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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if (idx < 0 || naddr < idx)
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return (-1);
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if (rt0->ip6r0_slmap[idx / 8] & (0x80 >> (idx % 8)))
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return IPV6_RTHDR_STRICT;
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else
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return IPV6_RTHDR_LOOSE;
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}
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naddr = (rt0->ip6r0_len * 8) / sizeof(struct in6_addr);
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if (idx < 0 || naddr < idx) {
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getflags: invalid index(%d)\n", idx);
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#endif
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return -1;
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}
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if (rt0->ip6r0_slmap[idx / 8] & (0x80 >> (idx % 8)))
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return IPV6_RTHDR_STRICT;
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else
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return IPV6_RTHDR_LOOSE;
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}
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default:
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#ifdef DEBUG
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fprintf(stderr, "inet6_rthdr_getflags: unknown type(%u)\n",
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rthdr->ip6r_type);
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#endif
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return -1;
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}
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default:
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return (-1);
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}
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||||
}
|
||||
|
||||
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Reference in New Issue
Block a user