asiva@google.com
b4d9e0d620
native functions do not have to call Dart_EnterScope/Dart_ExitScope when they callback into the VM. Remove Dart_EnterScope/Dart_ExitScope calls around native functions in 'bin' directory. R=regis@google.com, srdjan@google.com Review URL: https://codereview.chromium.org//22303002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25827 260f80e4-7a28-3924-810f-c04153c831b5
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/crypto.h"
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#include "bin/dartutils.h"
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#include "include/dart_api.h"
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namespace dart {
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namespace bin {
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void FUNCTION_NAME(Crypto_GetRandomBytes)(Dart_NativeArguments args) {
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Dart_Handle count_obj = Dart_GetNativeArgument(args, 0);
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int64_t count = 0;
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if (!DartUtils::GetInt64Value(count_obj, &count)) {
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Dart_Handle error =
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DartUtils::NewString("Invalid argument, must be an int.");
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Dart_ThrowException(error);
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}
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uint8_t* buffer = new uint8_t[count];
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ASSERT(buffer != NULL);
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if (!Crypto::GetRandomBytes(count, buffer)) {
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delete[] buffer;
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Dart_ThrowException(DartUtils::NewDartOSError());
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}
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Dart_Handle result = Dart_NewTypedData(Dart_TypedData_kUint8, count);
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if (Dart_IsError(result)) {
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delete[] buffer;
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Dart_Handle error = DartUtils::NewString("Failed to allocate storage.");
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Dart_ThrowException(error);
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}
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Dart_ListSetAsBytes(result, 0, buffer, count);
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Dart_SetReturnValue(args, result);
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delete[] buffer;
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}
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} // namespace bin
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} // namespace dart
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