From a0490929c3ddc666d25535de73cda33923232797 Mon Sep 17 00:00:00 2001
From: Maxim Konovalov <maxim@FreeBSD.org>
Date: Fri, 16 Mar 2007 21:46:24 +0000
Subject: [PATCH] o Add ENVIRONMENT section and mention there that TMPDIR is
 ignored when issetugid(3) is true.

PR:		docs/108346
Obtained from:	OpenBSD
MFC after:	1 week
---
 lib/libc/stdio/tmpnam.3 | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/libc/stdio/tmpnam.3 b/lib/libc/stdio/tmpnam.3
index 6dd88bfff583..66652b741716 100644
--- a/lib/libc/stdio/tmpnam.3
+++ b/lib/libc/stdio/tmpnam.3
@@ -32,7 +32,7 @@
 .\"     @(#)tmpnam.3	8.2 (Berkeley) 11/17/93
 .\" $FreeBSD$
 .\"
-.Dd November 17, 1993
+.Dd March 18, 2007
 .Dt TMPFILE 3
 .Os
 .Sh NAME
@@ -152,6 +152,19 @@ return a pointer to a file name on success, and a
 .Dv NULL
 pointer
 on error.
+.Sh ENVIRONMENT
+.Bl -tag -width Ds
+.It Ev TMPDIR
+.Pf [ Fn tempnam
+only]
+If set,
+the directory in which the temporary file is stored.
+.Ev TMPDIR
+is ignored for processes
+for which
+.Xr issetugid 2
+is true.
+.El
 .Sh COMPATIBILITY
 These interfaces are provided from System V and
 .Tn ANSI