util_handle_key.v

module winreg

import winerror

// get_length_reg_value retrieves the exact length of the registry value.
//
// If any permission error occurs, it will return a winerror.ErrorRegistry.
fn (h HandleKey) get_lenth_reg_value(reg string) !u32 {
	size := u32(0)
	result := C.RegQueryValueEx(h.hkey_ptr, reg.to_wide(), 0, 0, 0, &size)

	if result != winerror.error_success {
		return winerror.ErrorRegistry{
			code_error_c: result
		}
	}

	return size
}

// get_type_reg_value retrieves the exact type of the registry value.
// Ex: REG_SZ, REG_DWORD, REG_BINARY, etc...
//
// If any permission error occurs, it will return a winerror.ErrorRegistry
fn (h HandleKey) get_type_reg_value(reg string) !u32 {
	dw_type := u32(0)
	result := C.RegQueryValueEx(h.hkey_ptr, reg.to_wide(), 0, &dw_type, 0, 0)

	if result != winerror.error_success {
		return winerror.ErrorRegistry{
			code_error_c: result
		}
	}

	return dw_type
}