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authorTheo de Raadt <deraadt@cvs.openbsd.org>1996-11-06 01:45:19 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1996-11-06 01:45:19 +0000
commit9d029c6d927add68cc28d77ebddf624c20da1ca7 (patch)
tree696ce905b1b1d36eff5d1e7bfab141a97763decc
parent209267a8f5c6f17c1117de57a923ebcc1ffd189c (diff)
add blktochr()
-rw-r--r--sys/arch/mvme68k/mvme68k/conf.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/arch/mvme68k/mvme68k/conf.c b/sys/arch/mvme68k/mvme68k/conf.c
index 18954a24b8d..baf50c1365f 100644
--- a/sys/arch/mvme68k/mvme68k/conf.c
+++ b/sys/arch/mvme68k/mvme68k/conf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf.c,v 1.10 1996/10/19 13:26:09 mickey Exp $ */
+/* $OpenBSD: conf.c,v 1.11 1996/11/06 01:45:18 deraadt Exp $ */
/*-
* Copyright (c) 1995 Theo de Raadt
@@ -334,6 +334,24 @@ chrtoblk(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);
+}
+
+/*
* This entire table could be autoconfig()ed but that would mean that
* the kernel's idea of the console would be out of sync with that of
* the standalone boot. I think it best that they both use the same