| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_CONNECTIVITY_BLUETOOTH_CORE_BT_HOST_COMMON_RANDOM_H_ |
| #define SRC_CONNECTIVITY_BLUETOOTH_CORE_BT_HOST_COMMON_RANDOM_H_ |
| |
| #include <zircon/syscalls.h> |
| |
| namespace bt { |
| |
| template <typename T> |
| T Random() { |
| static_assert(std::is_trivial_v<T> && !std::is_pointer_v<T>, |
| "Type cannot be filled with random bytes"); |
| T t; |
| zx_cprng_draw(&t, sizeof(T)); |
| return t; |
| } |
| |
| } // namespace bt |
| |
| #endif // SRC_CONNECTIVITY_BLUETOOTH_CORE_BT_HOST_COMMON_RANDOM_H_ |
