C++ Winsock2 recv junk - c++

Question

So I am writing a Windows chat and for testing purposes my client program sends a "hello" message to the server every 300 ms.
First couple messages come good but then like for no reason they start to become junk-
Obviously I want to fix it and I seek for your help :) Here is my code:
Send function:
bool Target::Send(char *message)
{
int length = strlen(message);
int result = send(this->ccSock, (char*)&length, sizeof(int), 0);
if (result <= 0)
return false;
Sleep(10);
result = send(this->ccSock, message, length, 0);
return ((result > 0) ? true : false);
}
Receive function:
Message Server::Receive(SOCKET socket)
{
int length = 0;
int result = recv(socket, (char*)&length, sizeof(int), 0);
Sleep(10);
char *rcvData = new char[length];
result = recv(socket, rcvData, length, 0);
return { rcvData, result };
}
Message struct:
struct Message {
char *msg;
int size;
};
Main send code:
while (true)
{
if (!target->Send("hello"))
{
cout << "Connection broken\n";
target->Clean();
break;
}
Sleep(300);
}
Main receive code:
while (target.sock)
{
Message message = server->Receive(target.sock);
if (message.size > 0)
cout << message.msg << " (" << message.size << ")\n";
else
{
cout << "Target disconnected\n";
server->Clean();
break;
}
Sleep(1);
}
I would really appreciate your help as well as explanation why this is happening!

Answer 1

Your buffer is not null terminated. So when you are trying to print it using std::cout buffer overrun occurs. Correct version of receive code should be:
char *rcvData = new char[length+1];
result = recv(socket, rcvData, length, 0);
rcvData[length] = '\0';
Also you never free allocated memory buffer, so your code leaks it on each Receive call.