From 9dd4b5a781c60d169e5742910dc26344df1e4cf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@FreeBSD.org>
Date: Mon, 18 Dec 2000 14:35:54 +0000
Subject: [PATCH] If no device is specified, check the CDROM environment
 variable before picking the default device.

---
 usr.sbin/cdcontrol/cdcontrol.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/usr.sbin/cdcontrol/cdcontrol.c b/usr.sbin/cdcontrol/cdcontrol.c
index 0161bdd2a90..7af88374e04 100644
--- a/usr.sbin/cdcontrol/cdcontrol.c
+++ b/usr.sbin/cdcontrol/cdcontrol.c
@@ -197,6 +197,10 @@ int main (int argc, char **argv)
 	if (argc > 0 && ! strcasecmp (*argv, "help"))
 		usage ();
 
+	if (! cdname) {
+		cdname = getenv("CDROM");
+	}
+
 	if (! cdname) {
 		cdname = DEFAULT_CD_DRIVE;
 		warnx("no CD device name specified, defaulting to %s", cdname);