#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main(int argc, char *argv[]) {
	char *buffer = 0;
	if (argc > 1) {
		int file_descriptor = open(argv[1], O_RDONLY);
		assert(file_descriptor != -1);

		struct stat file_stat;
		assert(stat(argv[1], &file_stat) != -1);
		size_t file_size = file_stat.st_size;

		buffer = malloc(file_size);
		assert(buffer);
		assert(read(file_descriptor, buffer, file_size) != -1);

		assert(close(file_descriptor) != -1);
	}
	return 0;
}