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#
# Copyright (C) 2010-2011 OpenWrt.org
#

# use default "image" for PART_NAME
# use default for platform_do_upgrade()

platform_check_image() {
        [ "${ARGC}" -gt 1 ] && { echo 'Too many arguments. Only flash file expected.'; return 1; }

        local hardware="$(board_name)"
        local magic="$(get_magic_word "$1")"
        local magic_long="$(get_magic_long "$1")"

        case "${hardware}" in
         # hardware with a direct uImage partition
         # image header format as described in U-Boot's include/image.h
         # see http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=blob;f=include/image.h
         'Linksys WRT350N v2')
                [ "${magic_long}" != '27051956' ] && {
                        echo "Invalid image type ${magic_long}."
                        return 1
                }
                return 0
                ;;
         # Netgear WNR854T (has uImage as file inside a JFFS2 partition)
         'Netgear WNR854T')
                [ "${magic}" != '8519' ] && {
                        echo "Invalid image type ${magic}."
                        return 1
                }
                return 0
                ;;
        esac

        echo "Sysupgrade is not yet supported on ${hardware}."
        return 1
}