exit 1
}
+IMAGE=${3:-openwrt-combined.img}
+
# Make sure provided images are 64k aligned.
-kern=$(tempfile)
-root=$(tempfile)
+kern="${IMAGE}.kernel"
+root="${IMAGE}.rootfs"
dd if="$1" of="$kern" bs=$BLKSZ conv=sync 2>/dev/null
dd if="$2" of="$root" bs=$BLKSZ conv=sync 2>/dev/null
$(stat -c "%s" "$kern") $(stat -c "%s" "$root") "${md5%% *}" | \
dd bs=$BLKSZ conv=sync;
cat "$kern" "$root"
-) > ${3:-openwrt-combined.img} 2>/dev/null
+) > ${IMAGE} 2>/dev/null
# Clean up.
rm -f "$kern" "$root"