Delete RecvLine function

No longer necessary since #5161 / 845c86d128.

src/net.cpp

@@ -157,56 +157,6 @@ CAddress GetLocalAddress(const CNetAddr *paddrPeer)
     return ret;
 }
 
-bool RecvLine(SOCKET hSocket, string& strLine)
-{
-    strLine = "";
-    while (true)
-    {
-        char c;
-        int nBytes = recv(hSocket, &c, 1, 0);
-        if (nBytes > 0)
-        {
-            if (c == '\n')
-                continue;
-            if (c == '\r')
-                return true;
-            strLine += c;
-            if (strLine.size() >= 9000)
-                return true;
-        }
-        else if (nBytes <= 0)
-        {
-            boost::this_thread::interruption_point();
-            if (nBytes < 0)
-            {
-                int nErr = WSAGetLastError();
-                if (nErr == WSAEMSGSIZE)
-                    continue;
-                if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
-                {
-                    MilliSleep(10);
-                    continue;
-                }
-            }
-            if (!strLine.empty())
-                return true;
-            if (nBytes == 0)
-            {
-                // socket closed
-                LogPrint("net", "socket closed\n");
-                return false;
-            }
-            else
-            {
-                // socket error
-                int nErr = WSAGetLastError();
-                LogPrint("net", "recv failed: %s\n", NetworkErrorString(nErr));
-                return false;
-            }
-        }
-    }
-}
-
 int GetnScore(const CService& addr)
 {
     LOCK(cs_mapLocalHost);

src/net.h

@@ -61,7 +61,6 @@ unsigned int ReceiveFloodSize();
 unsigned int SendBufferSize();
 
 void AddOneShot(std::string strDest);
-bool RecvLine(SOCKET hSocket, std::string& strLine);
 void AddressCurrentlyConnected(const CService& addr);
 CNode* FindNode(const CNetAddr& ip);
 CNode* FindNode(const std::string& addrName);