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LibCore: Make UDPServer::receive() return ErrorOr<ByteBuffer>

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This is a first step towards handling OOM errors instead of just
crashing the program.

Now UDPServer's method `receive()` return memory allocation
errors explicitly with help of ErrorOr.

This removes one FIXME and make a bunch of new ones. :(
This commit is contained in:
Alexander Narsudinov 2022-12-18 00:15:54 +03:00 • committed by Andreas Kling
parent 9ae9d82a03
commit 767529ebf5
6 changed files with 19 additions and 17 deletions
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5
Userland/Libraries/LibCore/UDPServer.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Alexander Narsudinov <a.narsudinov@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -23,8 +24,8 @@ public:
bool is_bound() const { return m_bound; }
bool bind(IPv4Address const& address, u16 port);
ByteBuffer receive(size_t size, sockaddr_in& from);
ByteBuffer receive(size_t size)
ErrorOr<ByteBuffer> receive(size_t size, sockaddr_in& from);
ErrorOr<ByteBuffer> receive(size_t size)
{
struct sockaddr_in saddr;
return receive(size, saddr);