Fix Clang-tidy modernize-use-nullptr warnings; other minor fixes.

llvm-svn: 261179

1 files changed, 9 insertions, 14 deletions

diff --git a/lldb/source/Target/OperatingSystem.cpp b/lldb/source/Target/OperatingSystem.cpp
index 8ba52683877..9b4f2120bef 100644
--- a/lldb/source/Target/OperatingSystem.cpp
+++ b/lldb/source/Target/OperatingSystem.cpp
@@ -1,4 +1,4 @@
-//===-- OperatingSystem.cpp --------------------------------------------*- C++ -*-===//
+//===-- OperatingSystem.cpp -------------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,22 +7,21 @@
 //
 //===----------------------------------------------------------------------===//
 
-
-#include "lldb/Target/OperatingSystem.h"
 // C Includes
 // C++ Includes
 // Other libraries and framework includes
+// Project includes
+#include "lldb/Target/OperatingSystem.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Target/Thread.h"
 
 using namespace lldb;
 using namespace lldb_private;
 
-
 OperatingSystem*
 OperatingSystem::FindPlugin (Process *process, const char *plugin_name)
 {
-    OperatingSystemCreateInstance create_callback = NULL;
+    OperatingSystemCreateInstance create_callback = nullptr;
     if (plugin_name)
     {
         ConstString const_plugin_name(plugin_name);
@@ -30,20 +29,20 @@ OperatingSystem::FindPlugin (Process *process, const char *plugin_name)
         if (create_callback)
         {
             std::unique_ptr<OperatingSystem> instance_ap(create_callback(process, true));
-            if (instance_ap.get())
+            if (instance_ap)
                 return instance_ap.release();
         }
     }
     else
     {
-        for (uint32_t idx = 0; (create_callback = PluginManager::GetOperatingSystemCreateCallbackAtIndex(idx)) != NULL; ++idx)
+        for (uint32_t idx = 0; (create_callback = PluginManager::GetOperatingSystemCreateCallbackAtIndex(idx)) != nullptr; ++idx)
         {
             std::unique_ptr<OperatingSystem> instance_ap(create_callback(process, false));
-            if (instance_ap.get())
+            if (instance_ap)
                 return instance_ap.release();
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 
@@ -52,10 +51,7 @@ OperatingSystem::OperatingSystem (Process *process) :
 {
 }
 
-OperatingSystem::~OperatingSystem()
-{
-}
-
+OperatingSystem::~OperatingSystem() = default;
 
 bool
 OperatingSystem::IsOperatingSystemPluginThread (const lldb::ThreadSP &thread_sp)
@@ -64,4 +60,3 @@ OperatingSystem::IsOperatingSystemPluginThread (const lldb::ThreadSP &thread_sp)
         return thread_sp->IsOperatingSystemPluginThread();
     return false;
 }
-