#
# Copyright (c) 2022-2023, Jesús Daniel Colmenares Oviedo <DtxdF@disroot.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
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#   list of conditions and the following disclaimer.
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#   this software without specific prior written permission.
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lib_load "${LIBDIR}/select"

lib_devfs_get_available_ruleset()
{
	case "${DEVFS_ASSIGN_ALGO}" in
		fsmn) lib_select_find_smallest_missing_number `lib_devfs_showallsets` ;;
		fnfs) lib_select_find_number_from_start "${DEVFS_FNFS}" `lib_devfs_showallsets` ;;
		*) lib_err ${EX_CONFIG} -- "${DEVFS_ASSIGN_ALGO}: Invalid algorithm." ;;
	esac
}

lib_devfs_showallsets()
{
	local rulesets

	rulesets=`lib_devfs_showsets && lib_devfs_get_assigned_rulesets` || exit $?
	rulesets=`printf "%s\n" "${rulesets}" | sort -n | uniq` || exit $?

	echo "${rulesets}"
}

lib_devfs_get_assigned_rulesets()
{
	cat "${JAILDIR}/"*/conf/boot/devfs_ruleset 2> /dev/null

	return 0
}

lib_devfs_showsets()
{
	devfs rule showsets
}
