Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

src: prevent copying ArrayBufferViewContents #44091

Merged
merged 2 commits into from
Aug 6, 2022
Merged

src: prevent copying ArrayBufferViewContents #44091

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d1f3368
src: prevent copying ArrayBufferViewContents
kvakil Aug 2, 2022
d0522f5
fixup! src: prevent copying ArrayBufferViewContents
kvakil Aug 5, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions src/util.h
View file
Open in desktop
Original file line number Diff line number Diff line change
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.
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;
Expand Down