fixed up the telnet to work (using support from Linus Nielsen)

lib/telnet.c

@@ -872,7 +872,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
         }
       }
 
-      if(FD_ISSET(sockfd, &readfd))
+      if(FD_ISSET(sockfd, &readfd)) {
         Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
 
         /* if we receive 0 or less here, the server closed the connection and
@@ -885,7 +885,9 @@ CURLcode Curl_telnet(struct connectdata *conn)
         telrcv(data, (unsigned char *)buf, nread);
       }
     }
-  return CURLE_OK;
+  }
+  /* mark this as "no further transfer wanted" */
+  return Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
 }
 
 

lib/transfer.c

@@ -161,6 +161,12 @@ _Transfer(struct connectdata *c_conn)
   Curl_pgrsTime(data, TIMER_PRETRANSFER);
   Curl_speedinit(data);
 
+  if((conn->sockfd == -1) &&
+     (conn->writesockfd == -1)) {
+    /* nothing to read, nothing to write, we're already OK! */
+    return CURLE_OK;
+  }
+
   if (!conn->getheader) {
     header = FALSE;
     if(conn->size > 0)