/* written by Jarett Stevens 
program to return true (0) if a file is 
older than a given number of seconds
usage: older <seconds> <filename> */

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


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

	long int	seconds  = 0 ;
	time_t		curr_time ;
	struct stat	old_file_stat ;

	/* usage: older <seconds> <filename> */
	if (argc != 3) return(1) ;

	seconds = atoi(argv[1]) ;
	if (seconds <1) return(1) ;

	curr_time = time(NULL);
	
	if ( stat(argv[2], &old_file_stat) ) {
		perror(argv[2]) ;
		return(1) ;
	}

	if ((curr_time - old_file_stat.st_mtime) > seconds ) return(0) ;
		else return(1) ;
}