From 81e4e6a2d644539f199cbe73a6ffff8c46823be9 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Wed, 16 Dec 1998 04:39:23 +0000
Subject: [PATCH] Add reminder to return memory allocated by this call.

Obtained from: OpenBSD
---
 lib/libc/gen/setmode.3 | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/libc/gen/setmode.3 b/lib/libc/gen/setmode.3
index 4c85b30e2a38..bc38fd3e1193 100644
--- a/lib/libc/gen/setmode.3
+++ b/lib/libc/gen/setmode.3
@@ -81,10 +81,19 @@ is to modify future file modes correctly.
 .Pp
 If the mode passed to
 .Fn setmode
-is invalid,
+is invalid or if memory cannot be allocated for the return value,
 .Fn setmode
 returns
 .Dv NULL . 
+.Pp
+The value returned from 
+.Fn setmode 
+is obtained from 
+.Fn malloc 
+and should be returned to the system with
+.Fn free 
+when the program is done with it, generally after a call to 
+.Fn getmode .  
 .Sh ERRORS
 The
 .Fn setmode