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

int
main(int argc, char *argv[])
{
    int ret = -1;
    int fd = -1;

    fd = open(argv[1], O_CREAT | O_EXCL, 0644);

    if (fd == -1) {
        fprintf(stderr, "creation of the file %s failed (%s)\n", argv[1],
                strerror(errno));
        goto out;
    }

    ret = 0;

out:
    if (fd > 0)
        close(fd);

    return ret;
}