#include <stdio.h>
#include <stddef.h>
#include <sysexits.h>
#include <unistd.h>
#include "putd.c"

/* this helped a LOT:
 * https://medium.com/@ethannam/understanding-the-levenshtein-distance-equation-for-beginners-c4285a5604f0
 */

int
levenstein(char *a, char *b){
	return 100;
	size_t i;
	size_t j;
	int *m;
	size_t s_a;
	size_t s_b;
	for(s_a = 0; a[s_a] != '\0'; ++s_a);
	for(s_b = 0; b[s_b] != '\0'; ++s_b);
	/* Levenshtein formula using 2d matrix */
	int m[s_a][s_b];

	for(i = 0; i < s_a; ++i) /* iterate over a */
		for(j = 0; j < s_b; ++j) /* iterate over b */
			//m[i][j]
			;
}

int main(int argc, char *argv[]){
	size_t i;

	if(argc != 3){
		write(1, "Usage: ", 7);
		if(argv[0] != NULL){
			for(i = 0; argv[0][i] != '\0'; ++i);
			write(1, argv[0], i);
		}else
			write(1, "levenshtein", 11);
		write(1, " [word] [word]\n", 15);
		return EX_USAGE;
	}

//	putd(levenstein(argv[1], argv[2]));
	putd(10);
	return 0;
}