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Everywhere: Convert ByteBuffer factory methods from Optional -> ErrorOr

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Apologies for the enormous commit, but I don't see a way to split this
up nicely. In the vast majority of cases it's a simple change. A few
extra places can use TRY instead of manual error checking though. :^)
This commit is contained in:
Sam Atkins 2022-01-20 17:47:39 +00:00 • committed by Andreas Kling
parent 140f1d9e55
commit 45cf40653a
79 changed files with 202 additions and 274 deletions
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6
Userland/Libraries/LibIPC/Connection.cpp
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@ -167,14 +167,12 @@ ErrorOr<void> ConnectionBase::drain_messages_from_peer()
// Sometimes we might receive a partial message. That's okay, just stash away
// the unprocessed bytes and we'll prepend them to the next incoming message
// in the next run of this function.
auto maybe_remaining_bytes = ByteBuffer::copy(bytes.span().slice(index));
if (!maybe_remaining_bytes.has_value())
return Error::from_string_literal("drain_messages_from_peer: Failed to allocate buffer"sv);
auto remaining_bytes = TRY(ByteBuffer::copy(bytes.span().slice(index)));
if (!m_unprocessed_bytes.is_empty()) {
shutdown();
return Error::from_string_literal("drain_messages_from_peer: Already have unprocessed bytes"sv);
}
m_unprocessed_bytes = maybe_remaining_bytes.release_value();
m_unprocessed_bytes = move(remaining_bytes);
}
if (!m_unprocessed_messages.is_empty()) {