[src/trunk]: src/lib/libc/sys Clarify msgsz.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0a7444477f2f
branches:  trunk
changeset: 788853:0a7444477f2f
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Jul 24 11:42:50 2013 +0000

description:
Clarify msgsz.

diffstat:

 lib/libc/sys/msgrcv.2 |  6 ++++--
 lib/libc/sys/msgsnd.2 |  6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diffs (41 lines):

diff -r 98a232f75b8f -r 0a7444477f2f lib/libc/sys/msgrcv.2
--- a/lib/libc/sys/msgrcv.2     Wed Jul 24 09:05:53 2013 +0000
+++ b/lib/libc/sys/msgrcv.2     Wed Jul 24 11:42:50 2013 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: msgrcv.2,v 1.20 2012/05/15 11:37:01 reinoud Exp $
+.\"    $NetBSD: msgrcv.2,v 1.21 2013/07/24 11:42:50 skrll Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
 .\" All rights reserved.
@@ -90,8 +90,10 @@
 will be received.
 .El
 .Pp
+The argument
 .Fa msgsz
-specifies the maximum length of the requested message.
+specifies the size in bytes of
+.Va mtext .
 If the received message has a length greater than
 .Fa msgsz
 it will be silently truncated if the
diff -r 98a232f75b8f -r 0a7444477f2f lib/libc/sys/msgsnd.2
--- a/lib/libc/sys/msgsnd.2     Wed Jul 24 09:05:53 2013 +0000
+++ b/lib/libc/sys/msgsnd.2     Wed Jul 24 11:42:50 2013 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: msgsnd.2,v 1.18 2010/04/30 04:06:20 jruoho Exp $
+.\"    $NetBSD: msgsnd.2,v 1.19 2013/07/24 11:42:50 skrll Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
 .\" All rights reserved.
@@ -69,7 +69,9 @@
 .Xr msgrcv 2 ) .
 The
 .Va mtext
-field is an array of bytes, with size up to the system limit
+field is an array of bytes of length
+.Fa msgsz ,
+with size up to the system limit
 .Dv MSGMAX .
 .Pp
 If the number of bytes already on the message queue plus