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LibJS: Construct ArrayBuffer with max byte length when provided

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This commit is contained in:
ForLoveOfCats
2022-02-19 23:31:59 -05:00
committed by Linus Groh
parent e8416b603f
commit e01ee4e30b
Notes: sideshowbarker 2024-07-17 18:01:43 +09:00 
Author: https://github.com/ForLoveOfCats
Commit: https://github.com/SerenityOS/serenity/commit/e01ee4e30b
Pull-request: https://github.com/SerenityOS/serenity/pull/12595
Reviewed-by: https://github.com/davidot
Reviewed-by: https://github.com/linusg
2 changed files with 22 additions and 6 deletions
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Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
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@@ -39,6 +39,7 @@ public:
// Used by allocate_array_buffer() to attach the data block after construction
void set_buffer(ByteBuffer buffer) { m_buffer = move(buffer); }
void set_max_byte_length(size_t max_byte_length) { m_max_byte_length = max_byte_length; }
Value detach_key() const { return m_detach_key; }
void set_detach_key(Value detach_key) { m_detach_key = detach_key; }
@@ -73,6 +74,7 @@ private:
// The various detach related members of ArrayBuffer are not used by any ECMA262 functionality,
// but are required to be available for the use of various harnesses like the Test262 test runner.
Value m_detach_key;
Optional<size_t> m_max_byte_length;
};
ThrowCompletionOr<ArrayBuffer*> allocate_array_buffer(GlobalObject&, FunctionObject& constructor, size_t byte_length, Optional<size_t> max_byte_length = {});