#!/bin/sh# SPDX-License-Identifier: GPL-2.0-only # bootconfig utility functions XBC_TMPFILE=XBC_BASEDIR=`dirname $0`BOOTCONFIG=${BOOTCONFIG:=$XBC_BASEDIR/../bootconfig}if [ ! -x "$BOOTCONFIG" ]; then	BOOTCONFIG=`which bootconfig`	if [ -z "$BOOTCONFIG" ]; then		echo "Erorr: bootconfig command is not found" 1>&2		exit 1	fifi xbc_cleanup() {	if [ "$XBC_TMPFILE" ]; then		rm -f "$XBC_TMPFILE"	fi} xbc_init() { # bootconfig-file	xbc_cleanup	XBC_TMPFILE=`mktemp bconf-XXXX`	trap xbc_cleanup EXIT TERM 	$BOOTCONFIG -l $1 > $XBC_TMPFILE || exit 1} nr_args() { # args	echo $#} xbc_get_val() { # key [maxnum]	if [ "$2" ]; then		MAXOPT="-L $2"	fi	grep "^$1 =" $XBC_TMPFILE | cut -d= -f2- | \		sed -e 's/", /" /g' -e "s/',/' /g" | \		xargs $MAXOPT -n 1 echo} xbc_has_key() { # key	grep -q "^$1 =" $XBC_TMPFILE} xbc_has_branch() { # prefix-key	grep -q "^$1" $XBC_TMPFILE} xbc_subkeys() { # prefix-key depth	__keys=`echo $1 | sed "s/\./ /g"`	__s=`nr_args $__keys`	grep "^$1" $XBC_TMPFILE | cut -d= -f1| cut -d. -f$((__s + 1))-$((__s + $2)) | uniq}