diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-03-15 16:27:49 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-03-15 16:27:49 +0000 |
| commit | 2353f15379f45d90e504645a87cf159e49bb777f (patch) | |
| tree | 9b165e3bef79fb29024a520a35f4049f17c5505e /share/man/man3/CMSG_DATA.3 | |
| parent | 9be25461b8f9ab996d7fff99c7f04b3d8dcccaa4 (diff) | |
show the correct idiom
Diffstat (limited to 'share/man/man3/CMSG_DATA.3')
| -rw-r--r-- | share/man/man3/CMSG_DATA.3 | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/share/man/man3/CMSG_DATA.3 b/share/man/man3/CMSG_DATA.3 index 7285c8e62e7..28e5b498ad2 100644 --- a/share/man/man3/CMSG_DATA.3 +++ b/share/man/man3/CMSG_DATA.3 @@ -1,7 +1,7 @@ -.\" $OpenBSD: CMSG_DATA.3,v 1.3 2008/03/13 01:49:53 deraadt Exp $ +.\" $OpenBSD: CMSG_DATA.3,v 1.4 2008/03/15 16:27:48 deraadt Exp $ .\" Written by Jared Yanovich <jaredy@openbsd.org> .\" Public domain, July 3, 2005 -.Dd $Mdocdate: March 13 2008 $ +.Dd $Mdocdate: March 15 2008 $ .Dt CMSG_DATA 3 .Os .Sh NAME @@ -62,7 +62,9 @@ which includes the control message header. .Fa len specifies the length of the data held by the control message. This value is what is normally stored in -.Fa cmsg_len . +.Fa cmsg_len +and +.Fa msg_msgcontrollen . This routine accounts for any alignment constraints on the beginning of ancillary data. .It Fn CMSG_NXTHDR mhdr cmsg @@ -97,7 +99,7 @@ union { memset(&msg, 0, sizeof(msg)); msg.msg_control = &cmsgbuf.buf; -msg.msg_controllen = sizeof(cmsgbuf.buf); +msg.msg_controllen = CMSG_LEN(sizeof(int)); cmsg = CMSG_FIRSTHDR(&msg); cmsg->cmsg_len = CMSG_LEN(sizeof(int)); @@ -120,7 +122,7 @@ union { memset(&msg, 0, sizeof(msg)); msg.msg_control = &cmsgbuf.buf; -msg.msg_controllen = sizeof(cmsgbuf.buf); +msg.msg_controllen = CMSG_LEN(sizeof(int)); if (recvmsg(s, &msg, 0) == -1) err(1, "recvmsg"); |