[sanitizer_common] Apply modernize-use-nullptr, other minor fixes

- Trim spaces.
- Use nullptr in place of 0 for pointer variables.
- Use '!p' in place of 'p == 0' for null pointer checks.

Patch by Eugene Zelenko!

Differential Revision: http://reviews.llvm.org/D13310

llvm-svn: 248964

1 files changed, 4 insertions, 4 deletions

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector1.cc b/compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector1.cc
index 5890b54b933..bd57a403bdc 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector1.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_deadlock_detector1.cc
@@ -71,7 +71,7 @@ DD::DD(const DDFlags *flags)
 }
 
 DDPhysicalThread* DD::CreatePhysicalThread() {
-  return 0;
+  return nullptr;
 }
 
 void DD::DestroyPhysicalThread(DDPhysicalThread *pt) {
@@ -181,10 +181,10 @@ void DD::MutexDestroy(DDCallback *cb,
 
 DDReport *DD::GetReport(DDCallback *cb) {
   if (!cb->lt->report_pending)
-    return 0;
+    return nullptr;
   cb->lt->report_pending = false;
   return &cb->lt->rep;
 }
 
-}  // namespace __sanitizer
-#endif  // #if SANITIZER_DEADLOCK_DETECTOR_VERSION == 1
+} // namespace __sanitizer
+#endif // #if SANITIZER_DEADLOCK_DETECTOR_VERSION == 1