function joinPosix() {
	var str;
	var p;
	var i;

	str = '';
	str += arguments[ 0 ];
	for ( i = 1; i < arguments.length; i++ ) {
		p = arguments[ i ];
		if ( p ) {
			if ( p[ p.length-1 ] !== '/' ) {
				str += '/';
			}
			str += p;
		}
	}
	return str;
}
Mock joining a path according to the POSIX path convention.

@private
@param {...string} p - path components
@returns {string} path