diff options
| author |   deraadt <deraadt@openbsd.org> | 2008-03-13 01:49:52 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2008-03-13 01:49:52 +0000 |
| commit | 0827ab619365b217a3dee3503c2c210f927659d7 (patch) | |
| tree | af9bed5ba5fce34c5b492f01176224f43e7c203d /usr.sbin/ripd/packet.c | |
| parent | "usage:" should precede the first statement only (diff) | |
| download | wireguard-openbsd-0827ab619365b217a3dee3503c2c210f927659d7.tar.xz wireguard-openbsd-0827ab619365b217a3dee3503c2c210f927659d7.zip | |
Correct CMSG_SPACE and CMSG_LEN usage everywhere in the tree. Due to
an extensive discussion with otto, kettenis, millert, and hshoexer
Diffstat (limited to 'usr.sbin/ripd/packet.c')
| -rw-r--r-- | usr.sbin/ripd/packet.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/usr.sbin/ripd/packet.c b/usr.sbin/ripd/packet.c index b2f6e0d43a6..e314cbadeab 100644 --- a/usr.sbin/ripd/packet.c +++ b/usr.sbin/ripd/packet.c @@ -1,4 +1,4 @@ -/* $OpenBSD: packet.c,v 1.7 2007/10/24 20:52:50 claudio Exp $ */ +/* $OpenBSD: packet.c,v 1.8 2008/03/13 01:49:53 deraadt Exp $ */ /* * Copyright (c) 2006 Michele Marchetto <mydecay@openbeer.it> @@ -79,7 +79,10 @@ send_packet(struct iface *iface, void *pkt, size_t len, struct sockaddr_in *dst) void recv_packet(int fd, short event, void *bula) { - char cbuf[CMSG_SPACE(sizeof(struct sockaddr_dl))]; + union { + struct cmsghdr hdr; + char buf[CMSG_SPACE(sizeof(struct sockaddr_dl))]; + } cmsgbuf; struct sockaddr_in src; struct iovec iov; struct msghdr msg; @@ -109,8 +112,8 @@ recv_packet(int fd, short event, void *bula) msg.msg_namelen = sizeof(src); msg.msg_iov = &iov; msg.msg_iovlen = 1; - msg.msg_control = cbuf; - msg.msg_controllen = sizeof(cbuf); + msg.msg_control = &cmsgbuf.buf; + msg.msg_controllen = sizeof(&cmsgbuf.buf); if ((r = recvmsg(fd, &msg, 0)) == -1) { if (errno != EINTR && errno != EAGAIN) |