SocketRecvBuffer: Eliminate memmove

Since we don't try to read into buffer if buffer is not empty, we
don't have to memmove things.  This commit mostly rewrites
SocketRecvBuffer.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/HttpConnection.cc b/src/HttpConnection.cc
index ff043e20..c3767b24 100644
--- a/src/HttpConnection.cc
+++ b/src/HttpConnection.cc
@@ -157,12 +157,12 @@ std::unique_ptr<HttpResponse> HttpConnection::receiveResponse()
     httpResponse->setHttpHeader(proc->getResult());
     httpResponse->setHttpRequest(outstandingHttpRequests_.front()->
                                  popHttpRequest());
-    socketRecvBuffer_->shiftBuffer(proc->getLastBytesProcessed());
+    socketRecvBuffer_->drain(proc->getLastBytesProcessed());
     outstandingHttpRequests_.pop_front();
     return httpResponse;
   }
 
-  socketRecvBuffer_->shiftBuffer(proc->getLastBytesProcessed());
+  socketRecvBuffer_->drain(proc->getLastBytesProcessed());
   return nullptr;
 }