From f95691896db58441325b8fb166935654ec90ec65 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Wed, 6 Nov 1996 02:01:09 +0000
Subject: add blktochr()

---
 sys/arch/alpha/alpha/conf.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'sys/arch')

diff --git a/sys/arch/alpha/alpha/conf.c b/sys/arch/alpha/alpha/conf.c
index 6cb3cb311a0..f2a566cfda7 100644
--- a/sys/arch/alpha/alpha/conf.c
+++ b/sys/arch/alpha/alpha/conf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: conf.c,v 1.8 1996/10/30 22:38:00 niklas Exp $	*/
+/*	$OpenBSD: conf.c,v 1.9 1996/11/06 02:01:08 deraadt Exp $	*/
 /*	$NetBSD: conf.c,v 1.16 1996/10/18 21:26:57 cgd Exp $	*/
 
 /*-
@@ -270,3 +270,21 @@ chrtoblk(dev)
 		return (NODEV);
 	return (makedev(blkmaj, minor(dev)));
 }
+
+/*
+ * Convert a character device number to a block device number.
+ */
+dev_t
+blktochr(dev)
+	dev_t dev;
+{
+	int blkmaj = major(dev);
+	int i;
+
+	if (blkmaj >= nblkdev)
+		return (NODEV);
+	for (i = 0; i < sizeof(chrtoblktbl)/sizeof(chrtoblktbl[0]); i++)
+		if (blkmaj == chrtoblktbl[i])
+			return (makedev(i, minor(dev)));
+	return (NODEV);
+}
-- 
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