Detecting file modifications the efficient way using the inotify library

file_event_iNotify.h

#include <sys/inotify.h> //filesystem events
class tinyListener {
public:
	string name, list_name;
	void addListener(string s) {
		list_name = s;
	}
	bool good() {
		return (list_name == name);
	}
	bool listenModify() {
		long int	event_size = sizeof(struct inotify_event), 
					buf_size =  1024 * ( event_size + 16 ) ;
		struct inotify_event *event;
		int length, i=0;
		char buffer[buf_size];

		int feed = inotify_init();
		if( feed < 0 ) { return 0; /*cant get inode base*/ } // perm error
		int watch = inotify_add_watch(feed, ".", IN_MODIFY);
		length = read( feed, buffer, buf_size );
		if( length < 0 ) { return 0; /*cant read directory*/ } // bad spelling
			i = 0;
			while ( i < length ) {
				event = ( struct inotify_event * ) &buffer[ i ];
				if ( event->len ) {
					if ( event->mask && IN_MODIFY ) {
						name = event->name;
						return 1;
					}
				}
				i += event_size + event->len;
			}
		inotify_rm_watch(feed, watch);
		close(feed);
		return 0;
	}
};