VM: Re-format to use at most one newline between functions

runtime/bin/file_system_watcher_linux.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "platform/globals.h"
 #if defined(HOST_OS_LINUX)
 
 #include "bin/file_system_watcher.h"
 
 #include <errno.h>        // NOLINT
 #include <sys/inotify.h>  // NOLINT
 
 #include "bin/fdutils.h"
 #include "bin/socket.h"
 #include "platform/signal_blocker.h"
 
 namespace dart {
 namespace bin {
 
 bool FileSystemWatcher::IsSupported() {
   return true;
 }
 
-
 intptr_t FileSystemWatcher::Init() {
   int id = NO_RETRY_EXPECTED(inotify_init1(IN_CLOEXEC));
   if (id < 0) {
     return -1;
   }
   // Some systems dosn't support setting this as non-blocking. Since watching
   // internals are kept away from the user, we know it's possible to continue,
   // even if setting non-blocking fails.
   FDUtils::SetNonBlocking(id);
   return id;
 }
 
-
 void FileSystemWatcher::Close(intptr_t id) {
   USE(id);
 }
 
-
 intptr_t FileSystemWatcher::WatchPath(intptr_t id,
                                       const char* path,
                                       int events,
                                       bool recursive) {
   int list_events = IN_DELETE_SELF | IN_MOVE_SELF;
   if ((events & kCreate) != 0) {
     list_events |= IN_CREATE;
   }
   if ((events & kModifyContent) != 0) {
     list_events |= IN_CLOSE_WRITE | IN_ATTRIB;
   }
   if ((events & kDelete) != 0) {
     list_events |= IN_DELETE;
   }
   if ((events & kMove) != 0) {
     list_events |= IN_MOVE;
   }
   int path_id = NO_RETRY_EXPECTED(inotify_add_watch(id, path, list_events));
   if (path_id < 0) {
     return -1;
   }
   return path_id;
 }
 
-
 void FileSystemWatcher::UnwatchPath(intptr_t id, intptr_t path_id) {
   VOID_NO_RETRY_EXPECTED(inotify_rm_watch(id, path_id));
 }
 
-
 intptr_t FileSystemWatcher::GetSocketId(intptr_t id, intptr_t path_id) {
   USE(path_id);
   return id;
 }
 
-
 static int InotifyEventToMask(struct inotify_event* e) {
   int mask = 0;
   if ((e->mask & IN_CLOSE_WRITE) != 0) {
     mask |= FileSystemWatcher::kModifyContent;
   }
   if ((e->mask & IN_ATTRIB) != 0) {
     mask |= FileSystemWatcher::kModefyAttribute;
   }
   if ((e->mask & IN_CREATE) != 0) {
     mask |= FileSystemWatcher::kCreate;
   }
   if ((e->mask & IN_MOVE) != 0) {
     mask |= FileSystemWatcher::kMove;
   }
   if ((e->mask & IN_DELETE) != 0) {
     mask |= FileSystemWatcher::kDelete;
   }
   if ((e->mask & (IN_DELETE_SELF | IN_MOVE_SELF)) != 0) {
     mask |= FileSystemWatcher::kDeleteSelf;
   }
   if ((e->mask & IN_ISDIR) != 0) {
     mask |= FileSystemWatcher::kIsDir;
   }
   return mask;
 }
 
-
 Dart_Handle FileSystemWatcher::ReadEvents(intptr_t id, intptr_t path_id) {
   USE(path_id);
   const intptr_t kEventSize = sizeof(struct inotify_event);
   const intptr_t kBufferSize = kEventSize + NAME_MAX + 1;
   uint8_t buffer[kBufferSize];
   intptr_t bytes =
       SocketBase::Read(id, buffer, kBufferSize, SocketBase::kAsync);
   if (bytes < 0) {
     return DartUtils::NewDartOSError();
   }
   const intptr_t kMaxCount = bytes / kEventSize;
   Dart_Handle events = Dart_NewList(kMaxCount);
   intptr_t offset = 0;
   intptr_t i = 0;
   while (offset < bytes) {
     struct inotify_event* e =
         reinterpret_cast<struct inotify_event*>(buffer + offset);
     if ((e->mask & IN_IGNORED) == 0) {
       Dart_Handle event = Dart_NewList(5);
       int mask = InotifyEventToMask(e);
       Dart_ListSetAt(event, 0, Dart_NewInteger(mask));
       Dart_ListSetAt(event, 1, Dart_NewInteger(e->cookie));
       if (e->len > 0) {
-        Dart_ListSetAt(event, 2, Dart_NewStringFromUTF8(
-                                     reinterpret_cast<uint8_t*>(e->name),
-                                     strlen(e->name)));
+        Dart_ListSetAt(
+            event, 2,
+            Dart_NewStringFromUTF8(reinterpret_cast<uint8_t*>(e->name),
+                                   strlen(e->name)));
       } else {
         Dart_ListSetAt(event, 2, Dart_Null());
       }
       Dart_ListSetAt(event, 3, Dart_NewBoolean(e->mask & IN_MOVED_TO));
       Dart_ListSetAt(event, 4, Dart_NewInteger(e->wd));
       Dart_ListSetAt(events, i, event);
       i++;
     }
     offset += kEventSize + e->len;
   }
   ASSERT(offset == bytes);
   return events;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_LINUX)
 
 #endif  // !defined(DART_IO_DISABLED)