freebsd -r1.21:

Document what "msgsz" argument really denotes;
from brian candler (freebsd pr #101145)

Don't say that "msgsz" can be less than 0, it cannot
as it's unsigned (POSIX has the same bug);
from ru@freebsd

ok millert deraadt

1 files changed, 5 insertions, 3 deletions

diff --git a/lib/libc/sys/msgsnd.2 b/lib/libc/sys/msgsnd.2
index 466d4f60d5f..58cf6577a22 100644
--- a/lib/libc/sys/msgsnd.2
+++ b/lib/libc/sys/msgsnd.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: msgsnd.2,v 1.13 2006/08/07 20:00:01 jmc Exp $
+.\"	$OpenBSD: msgsnd.2,v 1.14 2006/10/14 14:30:45 jmc Exp $
 .\"	$NetBSD: msgsnd.2,v 1.2 1997/03/27 08:20:36 mikel Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
@@ -59,7 +59,9 @@ char mtext[1]; /* body of message */
 is an integer greater than 0 that can be used for selecting messages (see
 .Xr msgrcv 2 ) ;
 .Va mtext
-is an array of bytes, with a size up to that of the system limit
+is an array of
+.Fa msgsz
+bytes, with a size between 0 and that of the system limit
 .Pq Dv MSGMAX .
 .Pp
 If the number of bytes already on the message queue plus
@@ -136,7 +138,7 @@ was waiting for a resource to become available in order to deliver the
 message.
 .Pp
 .Fa msgsz
-is less than 0, or greater than
+is greater than
 .Va msg_qbytes .
 .It Bq Er EACCES
 The calling process does not have write access to the message queue.