SPL_METHOD(SplFileInfo, __construct)
{
	spl_filesystem_object *intern;
	char *path;
	int len;
	zend_error_handling error_handling;

	zend_replace_error_handling(EH_THROW, spl_ce_RuntimeException, &error_handling TSRMLS_CC);

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &path, &len) == FAILURE) {
		zend_restore_error_handling(&error_handling TSRMLS_CC);
		return;
	}

	intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC);

	spl_filesystem_info_set_filename(intern, path, len, 1 TSRMLS_CC);

	zend_restore_error_handling(&error_handling TSRMLS_CC);

	/* intern->type = SPL_FS_INFO; already set */
}
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.