blob: fd68802267f245420c2c3a7df75ca0d5d2df5703 [file] [log] [blame]
// 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)