LibCore: fix UDP Server receive to trim buffer to actuall bytes recei…

…veed
lanmonster · Aug 9, 2020 · 043d548 · 043d548
1 parent d9470bd
commit 043d548
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Libraries/LibCore/UDPServer.cpp b/Libraries/LibCore/UDPServer.cpp
@@ -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;
 }