| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef _CRT_RAND_S |
| #define _CRT_RAND_S |
| #endif |
| |
| #include "platform/globals.h" |
| #if defined(HOST_OS_WINDOWS) |
| |
| #include "bin/crypto.h" |
| |
| namespace dart { |
| namespace bin { |
| |
| bool Crypto::GetRandomBytes(intptr_t count, uint8_t* buffer) { |
| uint32_t num; |
| intptr_t read = 0; |
| while (read < count) { |
| if (rand_s(&num) != 0) { |
| return false; |
| } |
| for (int i = 0; i < 4 && read < count; i++) { |
| buffer[read] = num >> (i * 8); |
| read++; |
| } |
| } |
| return true; |
| } |
| |
| } // namespace bin |
| } // namespace dart |
| |
| #endif // defined(HOST_OS_WINDOWS) |
