#!/bin/sh

# udev CALLOUT script
# return compat devfs-names for ide-devices
# CALLOUT, BUS="ide", PROGRAM="/etc/udev/ide-devfs-compat.sh %k %b %n", ID="hd*", NAME="%1c", SYMLINK="%2c"

HOST=${2%\.[0-9]}
TARGET=${2#[0-9]\.}

if [ -z ${HOST#[13579]} ]; then
	HOST=`expr $HOST - 1`
	BUS="1"
else
	BUS="0"
fi

get_dev_number() {
	local x=
	local num=0
	local MEDIA=
	
	for x in /proc/ide/*/media; do
		if [ -e "$x" ]; then
			MEDIA=`cat $x`
			if [ "$MEDIA" = "$2" ]; then
				num=`expr $num + 1`
			fi
			if [ "$x" = "/proc/ide/$1/media" ]; then
				break
			fi
		fi
	done
	
	echo `expr $num - 1`
}

if [ -z "$3" ]; then
	MEDIA=`cat /proc/ide/$1/media`
	if [ "$MEDIA" = "cdrom" ]; then
		echo $1 cdroms/cdrom`get_dev_number $1 cdrom`
	elif [ "$MEDIA" = "disk" ]; then
		echo $1 discs/disc`get_dev_number $1 disk`/disc
	fi
else
	echo $1 discs/disc`get_dev_number $1 disk`/part$3
fi