//#!/usr/local/bin/tcc -run

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>

int main(int argc, char** argv) {

	if(argc != 3) {
		fprintf(stderr, "Usage: %s infile outfile\n", argv[0]);
		return 1;
	}

	int in = open(argv[1], O_RDONLY);
	if(in == -1) {
		fprintf(stderr, "%s: Could not open in-file: %s\n", argv[0], argv[1]);
		return 1;
	}

	int out = open(argv[2], O_WRONLY | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR);
	if(out == -1) {
		close(in);
		fprintf(stderr, "%s: Could not open out-file: %s\n", argv[0], argv[2]);
		return 1;
	}

	const size_t OUTBUFFSIZE = 10;
	char outbuff[OUTBUFFSIZE];
	time_t inbuff;

	//read until end
	while(1) {
		size_t rc = read(in, &inbuff, sizeof(inbuff));

		if(rc != sizeof(inbuff)) break;

		//prnt to file
		size_t count = dprintf(out, "%u\n", inbuff);
		
		if(count == 0) {
			fprintf(stderr, "%s: Writing failed\n", argv[0]);
			break;
		}
	}

	close(in);
	close(out);

	printf("Successfull!\n");

	return 0;
}