QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/quic/quic_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_session.h"
 
 #include "base/stl_util.h"
 #include "net/quic/crypto/proof_verifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flags.h"
@@ skipping 319 matching lines @@
       return;
     }
     if (!connection_->CanWriteStreamData()) {
       return;
     }
     QuicStreamId stream_id = write_blocked_streams_.PopFront();
     if (stream_id == kCryptoStreamId) {
       has_pending_handshake_ = false;  // We just popped it.
     }
     ReliableQuicStream* stream = GetStream(stream_id);
-    if (stream != NULL && !stream->flow_controller()->IsBlocked()) {
+    if (stream != nullptr && !stream->flow_controller()->IsBlocked()) {
       // If the stream can't write all bytes, it'll re-add itself to the blocked
       // list.
       stream->OnCanWrite();
     }
   }
 }
 
 bool QuicSession::WillingAndAbleToWrite() const {
   // If the crypto or headers streams are blocked, we want to schedule a write -
   // they don't get blocked by connection level flow control. Otherwise only
@@ skipping 263 matching lines @@
   }
   if (stream_id == kHeadersStreamId) {
     return headers_stream_.get();
   }
   return GetDataStream(stream_id);
 }
 
 QuicDataStream* QuicSession::GetDataStream(const QuicStreamId stream_id) {
   if (stream_id == kCryptoStreamId) {
     DLOG(FATAL) << "Attempt to call GetDataStream with the crypto stream id";
-    return NULL;
+    return nullptr;
   }
   if (stream_id == kHeadersStreamId) {
     DLOG(FATAL) << "Attempt to call GetDataStream with the headers stream id";
-    return NULL;
+    return nullptr;
   }
 
   DataStreamMap::iterator it = stream_map_.find(stream_id);
   if (it != stream_map_.end()) {
     return it->second;
   }
 
   if (IsClosedStream(stream_id)) {
-    return NULL;
+    return nullptr;
   }
 
   if (stream_id % 2 == next_stream_id_ % 2) {
     // We've received a frame for a locally-created stream that is not
     // currently active.  This is an error.
     if (connection()->connected()) {
       connection()->SendConnectionClose(QUIC_PACKET_FOR_NONEXISTENT_STREAM);
     }
-    return NULL;
+    return nullptr;
   }
 
   return GetIncomingDataStream(stream_id);
 }
 
 QuicDataStream* QuicSession::GetIncomingDataStream(QuicStreamId stream_id) {
   if (IsClosedStream(stream_id)) {
-    return NULL;
+    return nullptr;
   }
 
   implicitly_created_streams_.erase(stream_id);
   if (stream_id > largest_peer_created_stream_id_) {
     if (stream_id - largest_peer_created_stream_id_ > kMaxStreamIdDelta) {
       // We may already have sent a connection close due to multiple reset
       // streams in the same packet.
       if (connection()->connected()) {
         LOG(ERROR) << "Trying to get stream: " << stream_id
                    << ", largest peer created stream: "
                    << largest_peer_created_stream_id_
                    << ", max delta: " << kMaxStreamIdDelta;
         connection()->SendConnectionClose(QUIC_INVALID_STREAM_ID);
       }
-      return NULL;
+      return nullptr;
     }
     if (largest_peer_created_stream_id_ == 0) {
       if (is_server()) {
         largest_peer_created_stream_id_= 3;
       } else {
         largest_peer_created_stream_id_= 1;
       }
     }
     for (QuicStreamId id = largest_peer_created_stream_id_ + 2;
          id < stream_id;
          id += 2) {
       implicitly_created_streams_.insert(id);
     }
     largest_peer_created_stream_id_ = stream_id;
   }
   QuicDataStream* stream = CreateIncomingDataStream(stream_id);
-  if (stream == NULL) {
-    return NULL;
+  if (stream == nullptr) {
+    return nullptr;
   }
   ActivateStream(stream);
   return stream;
 }
 
 void QuicSession::set_max_open_streams(size_t max_open_streams) {
   DVLOG(1) << "Setting max_open_streams_ to " << max_open_streams;
   max_open_streams_ = max_open_streams;
 }
 
@@ skipping 20 matching lines @@
       implicitly_created_streams_.count(id) == 0;
 }
 
 size_t QuicSession::GetNumOpenStreams() const {
   return stream_map_.size() + implicitly_created_streams_.size();
 }
 
 void QuicSession::MarkWriteBlocked(QuicStreamId id, QuicPriority priority) {
 #ifndef NDEBUG
   ReliableQuicStream* stream = GetStream(id);
-  if (stream != NULL) {
+  if (stream != nullptr) {
     LOG_IF(DFATAL, priority != stream->EffectivePriority())
         << ENDPOINT << "Stream " << id
         << "Priorities do not match.  Got: " << priority
         << " Expected: " << stream->EffectivePriority();
   } else {
     LOG(DFATAL) << "Marking unknown stream " << id << " blocked.";
   }
 #endif
 
   if (id == kCryptoStreamId) {
@@ skipping 37 matching lines @@
 
   // Disable stream level flow control based on negotiated version. Streams may
   // have been created with a different version.
   if (version < QUIC_VERSION_21) {
     GetCryptoStream()->flow_controller()->Disable();
     headers_stream_->flow_controller()->Disable();
   }
 }
 
 }  // namespace net