diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-11-06 01:35:45 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-11-06 01:35:45 +0000 |
| commit | 1ef47398324136945975a96d73ca08b5cdcaedca (patch) | |
| tree | 0c635e8b346635e24d16140f3dbde8a3fc3c55d6 /sys/arch/i386 | |
| parent | 595b4055ca3401d562e87711eead46dbae7a4902 (diff) | |
add blktochr()
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/i386/conf.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/conf.c b/sys/arch/i386/i386/conf.c index 2442e8eda1d..80863341d02 100644 --- a/sys/arch/i386/i386/conf.c +++ b/sys/arch/i386/i386/conf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: conf.c,v 1.25 1996/11/06 01:35:06 deraadt Exp $ */ +/* $OpenBSD: conf.c,v 1.26 1996/11/06 01:35:25 deraadt Exp $ */ /* $NetBSD: conf.c,v 1.75 1996/05/03 19:40:20 christos Exp $ */ /* @@ -376,6 +376,24 @@ 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 |