#!/bin/rc
if(~ $#* 0){
	echo usage: $0 file ... >[1=2]
	exit usage
}
awk 'BEGIN{
	n=0
}
function hex(h){
	v=0
	h=tolower(h)
	if(!sub(/^0x/, "", h))
		return h
	for(i=1; i<=length(h); ++i){
		x=index("0123456789abcdef", substr(h, i, 1))
		if(!x)
			return -1
		v=(16*v)+x-1
	}
	return v
}
{
	if(FNR == 1){
		if(NR == 1){
			hx=$1
			hy=$2
		}
		next
	}
	if(length($3) == 0)
		next
	f=$3
	d=FILENAME
	if(sub(/\/[^\/]+$/, "", d))
		f=sprintf("%s/%s", d, f)
	if(system(sprintf("test -e %s", f))){
		printf("%s:%d missing %s\n", FILENAME, FNR, f) >"/fd/2"
		next
	}
	s = hex($1)
	e = hex($2)
	if(e < s)
		next
	for(i=0; i<n; i++){
		if(s >= as[i] && s <= ae[i])
			s = ae[i]+1
		if(e >= as[i] && e <= ae[i])
			e = as[i]-1
		if(s > e)
			next
	}
	as[n] = hex($1)
	ae[n] = hex($2)
	ax[n] = f
	n++;
}
END{
	printf("%d %d\n", hx, hy)
	for(i=0; i<n; i++){
		printf("0x%.4x	0x%.4x	", as[i], ae[i])
		system(sprintf("cleanname %s", ax[i]))
	}
}' $1 `{awk '{
	x=$1
	y=$2
	if(NR == 1){
		hx=x
		hy=y
	}
	a=y-hy
	if(a < 0)
		a = -a
	printf("%d	%s\n", a, FILENAME)
	nextfile
}' $* | sort | uniq | awk '{print $2}'}