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LibCore: fix UDP Server receive to trim buffer to actuall bytes receiveed

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This commit is contained in:
Muhammad Zahalqa 2020-08-08 16:02:28 +03:00 • committed by Andreas Kling
parent d9470bdae7
commit 043d548b39
1 changed files with 3 additions and 1 deletions
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4
Libraries/LibCore/UDPServer.cpp
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@ -79,13 +79,15 @@ bool UDPServer::bind(const IPv4Address& address, u16 port)
ByteBuffer UDPServer::receive(size_t size, sockaddr_in& in)
{
auto buf = ByteBuffer::create_zeroed(size);
auto buf = ByteBuffer::create_uninitialized(size);
socklen_t in_len = sizeof(in);
ssize_t rlen = ::recvfrom(m_fd, buf.data(), size, 0, (sockaddr*)&in, &in_len);
if (rlen < 0) {
dbg() << "recvfrom: " << strerror(errno);
return {};
}
buf.trim(rlen);
return buf;
}