diff options
| author |   jmc <jmc@openbsd.org> | 2012-04-24 12:20:59 +0000 |
|---|---|---|
| committer | jmc <jmc@openbsd.org> | 2012-04-24 12:20:59 +0000 |
| commit | 3110ebe2fe6ee1c3f62b3efc9b7340eb3f04ae8c (patch) | |
| tree | 71aa90e7b3ee3c78d66b6f5f17ea958ab6508ff3 /lib/libc | |
| parent | Add missing prototype. (diff) | |
| download | wireguard-openbsd-3110ebe2fe6ee1c3f62b3efc9b7340eb3f04ae8c.tar.xz wireguard-openbsd-3110ebe2fe6ee1c3f62b3efc9b7340eb3f04ae8c.zip | |
document address truncation; from Steffen Daode Nurpmeso
ok deraadt matthew millert
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/accept.2 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/libc/sys/accept.2 b/lib/libc/sys/accept.2 index b776bda812c..30b9c874c42 100644 --- a/lib/libc/sys/accept.2 +++ b/lib/libc/sys/accept.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: accept.2,v 1.22 2012/04/01 16:48:43 jmc Exp $ +.\" $OpenBSD: accept.2,v 1.23 2012/04/24 12:20:59 jmc Exp $ .\" $NetBSD: accept.2,v 1.7 1996/01/31 20:14:42 mycroft Exp $ .\" .\" Copyright (c) 1983, 1990, 1991, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)accept.2 8.2 (Berkeley) 12/11/93 .\" -.Dd $Mdocdate: April 1 2012 $ +.Dd $Mdocdate: April 24 2012 $ .Dt ACCEPT 2 .Os .Sh NAME @@ -83,6 +83,7 @@ exists for greater portability. It is large enough to hold any of the types that may be returned in the .Fa addr parameter. +.Pp The .Fa addrlen is a value-result parameter; it should initially contain the @@ -90,6 +91,12 @@ amount of space pointed to by .Fa addr ; on return it will contain the actual length (in bytes) of the address returned. +If +.Fa addrlen +does not point to enough space to hold the entire socket address, the +result will be truncated to the initial value of +.Fa addrlen +(in bytes). This call is used with connection-based socket types, currently with .Dv SOCK_STREAM . .Pp |