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

int
main(int argc, char* argv[])
{
	char* path = argv[1];
	int fd = open(path, O_WRONLY|O_CREAT, 0644);
	if (fd == -1)
	{
		printf("open failed\n");
		return 1;
	}

	if (argc > 2)
	{
		close(fd);
		fd = open(path, O_WRONLY|O_CREAT, 0644);
	}

	int status = fchmod(fd, 0444);
	if (status == -1)
	{
		printf("chmod failed\n");
		return 2;
	}

	return 0;
}