/* testcase for time structure issues
 * Robin H. Johnson <robbat2@gentoo.org>
 * 1. the times should never decrease.
 * 2. depending on the sync behavior of your filesystem, NOT having the
 *    unlink() call but having an existing file may give you the OLD file
 *    timestamp
 */
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#define pb(s) stat(f, &buf); printf("%s %ld.%ld\n",s,(long int)buf.st_mtime,(long int)buf.st_mtim.tv_nsec);

int main(int argc, char** argv) {
	if(argc != 2) 
		return 1;
	char* f = argv[1];
	int i;
	struct stat buf;
	pb("before");
	//unlink(f);
	int fd = open(f,O_CREAT|O_WRONLY,0600);
	pb("created");
	close(fd);
	for(i = 5; i; i--) {
		pb("utimes");
		if(i>1) {
			utimes(f, NULL);
			usleep(5000);
		}
	}
}