# SPDX-License-Identifier: CDDL-1.0
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#

. $STF_SUITE/tests/functional/devices/devices.cfg
. $STF_SUITE/include/libtest.shlib

#
# Create block file or character file according to parameter.
#
# $1 device file type
# $2 file name
# $3 device path (used for 'b' device type)
#
function create_dev_file
{
	typeset filetype=$1
	typeset filename=$2
	typeset devstr=$3

	case $filetype in
	b)
		case $(uname) in
		Linux)
			#
			# stat(1) --format=FORMAT tokens
			# %t - major device type in hex
			# %T - minor device type in hex
			#
			major=$(printf '%d' 0x$(stat -L -c "%t" "$devstr"))
			minor=$(printf '%d' 0x$(stat -L -c "%T" "$devstr"))
			log_must mknod $filename b "${major}" "${minor}"
			;;
		*)
			#
			# Get the device file information. i.e:
			# $devstr:      block special (28/768)
			#
			devstr=$(file $devstr)
			major=${devstr##*\(}
			major=${major%%/*}
			minor=${devstr##*/}
			minor=${minor%\)}
			log_must mknod $filename b $major $minor
			;;
		esac
		;;
	c)
		#
		# Create device file '/dev/null', $devstr is unused.
		#
		case $(uname) in
		Linux)
			#
			# stat(1) --format=FORMAT tokens
			# %t - major device type in hex
			# %T - minor device type in hex
			#
			major=$(printf '%d' 0x$(stat -c "%t" /dev/null))
			minor=$(printf '%d' 0x$(stat -c "%T" /dev/null))
			log_must mknod $filename c "${major}" "${minor}"
			;;
		FreeBSD)
			#
			# Create device file '/dev/null'
			#
			major=13
			minor=2
			log_must mknod $filename b $major $minor
			;;
		*)
			major=$(getmajor mm)
			minor=2
			log_must mknod $filename b $major $minor
			;;
		esac
		;;
	*)
		log_fail "'$filetype' is wrong."
		;;
	esac

	return 0
}

function cleanup
{
	log_must zfs set devices=on $TESTPOOL/$TESTFS
	log_must rm -f $TESTDIR/$TESTFILE1
	log_must rm -f $TESTDIR/$TESTFILE2
	log_must rm -f $TESTDIR/$TESTFILE1.out1
	log_must rm -f $TESTDIR/$TESTFILE1.out2
}
