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AK/ByteBuffer+Everywhere: Handle errors in ByteBuffer::slice()

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This commit is contained in:
Matthias Zimmerman 2022-06-13 05:20:42 -07:00 • committed by Linus Groh
parent c0486f93d4
commit c10d48b72c
12 changed files with 45 additions and 34 deletions
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6
Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
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@ -130,7 +130,8 @@ Value ArrayBuffer::get_value(size_t byte_index, [[maybe_unused]] bool is_typed_a
// FIXME: Check for shared buffer
auto raw_value = buffer_impl().slice(byte_index, element_size);
// FIXME: Propagate errors.
auto raw_value = MUST(buffer_impl().slice(byte_index, element_size));
return raw_bytes_to_numeric<T>(global_object(), move(raw_value), is_little_endian);
}
@ -218,7 +219,8 @@ Value ArrayBuffer::get_modify_set_value(size_t byte_index, Value value, ReadWrit
// FIXME: Check for shared buffer
auto raw_bytes_read = buffer_impl().slice(byte_index, sizeof(T));
// FIXME: Propagate errors.
auto raw_bytes_read = MUST(buffer_impl().slice(byte_index, sizeof(T)));
auto raw_bytes_modified = operation(raw_bytes_read, raw_bytes);
raw_bytes_modified.span().copy_to(buffer_impl().span().slice(byte_index));

3
Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp
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@ -246,7 +246,8 @@ static ThrowCompletionOr<Value> atomic_compare_exchange_impl(GlobalObject& globa
// 14. Else,
// a. Let rawBytesRead be a List of length elementSize whose elements are the sequence of elementSize bytes starting with block[indexedPosition].
auto raw_bytes_read = block.slice(indexed_position, sizeof(T));
// FIXME: Propagate errors.
auto raw_bytes_read = MUST(block.slice(indexed_position, sizeof(T)));
// b. If ByteListEqual(rawBytesRead, expectedBytes) is true, then
// i. Store the individual bytes of replacementBytes into block, starting at block[indexedPosition].