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src: prevent copying ArrayBufferViewContents #44091

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merged 2 commits into from Aug 6, 2022
Merged

src: prevent copying ArrayBufferViewContents #44091

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d1f3368
src: prevent copying ArrayBufferViewContents
kvakil Aug 2, 2022
d0522f5
fixup! src: prevent copying ArrayBufferViewContents
kvakil Aug 5, 2022
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10 changes: 10 additions & 0 deletions src/util.h
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Expand Up @@ -498,6 +498,9 @@ class ArrayBufferViewContents {
public:
ArrayBufferViewContents() = default;

ArrayBufferViewContents(const ArrayBufferViewContents&) = delete;
void operator=(const ArrayBufferViewContents&) = delete;

explicit inline ArrayBufferViewContents(v8::Local<v8::Value> value);
explicit inline ArrayBufferViewContents(v8::Local<v8::Object> value);
explicit inline ArrayBufferViewContents(v8::Local<v8::ArrayBufferView> abv);
Expand All @@ -507,6 +510,13 @@ class ArrayBufferViewContents {
inline size_t length() const { return length_; }

private:
// Declaring operator new and delete as deleted is not spec compliant.
// Therefore declare them private instead to disable dynamic alloc
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void* operator new(size_t size);
void* operator new[](size_t size);
void operator delete(void*, size_t);
void operator delete[](void*, size_t);

T stack_storage_[kStackStorageSize];
T* data_ = nullptr;
size_t length_ = 0;
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