diff options
Diffstat (limited to 'share/man/man3/CMSG_DATA.3')
| -rw-r--r-- | share/man/man3/CMSG_DATA.3 | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/share/man/man3/CMSG_DATA.3 b/share/man/man3/CMSG_DATA.3 index 28e5b498ad2..1beb705b425 100644 --- a/share/man/man3/CMSG_DATA.3 +++ b/share/man/man3/CMSG_DATA.3 @@ -1,7 +1,7 @@ -.\" $OpenBSD: CMSG_DATA.3,v 1.4 2008/03/15 16:27:48 deraadt Exp $ +.\" $OpenBSD: CMSG_DATA.3,v 1.5 2008/03/24 16:11:07 deraadt Exp $ .\" Written by Jared Yanovich <jaredy@openbsd.org> .\" Public domain, July 3, 2005 -.Dd $Mdocdate: March 15 2008 $ +.Dd $Mdocdate: March 24 2008 $ .Dt CMSG_DATA 3 .Os .Sh NAME @@ -61,10 +61,9 @@ This routine determines the size in bytes of a control message, 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 +This value is what is normally stored in the .Fa cmsg_len -and -.Fa msg_msgcontrollen . +of each control message. This routine accounts for any alignment constraints on the beginning of ancillary data. .It Fn CMSG_NXTHDR mhdr cmsg @@ -99,7 +98,7 @@ union { memset(&msg, 0, sizeof(msg)); msg.msg_control = &cmsgbuf.buf; -msg.msg_controllen = CMSG_LEN(sizeof(int)); +msg.msg_controllen = sizeof(cmsgbuf.buf); cmsg = CMSG_FIRSTHDR(&msg); cmsg->cmsg_len = CMSG_LEN(sizeof(int)); @@ -122,7 +121,7 @@ union { memset(&msg, 0, sizeof(msg)); msg.msg_control = &cmsgbuf.buf; -msg.msg_controllen = CMSG_LEN(sizeof(int)); +msg.msg_controllen = sizeof(cmsgbuf.buf); if (recvmsg(s, &msg, 0) == -1) err(1, "recvmsg"); |