Enforce "Rule-of-Three/Five".

[simgrid.git] / src / xbt / backtrace.cpp

diff --git a/src/xbt/backtrace.cpp b/src/xbt/backtrace.cpp
index 9e732d7..b9f4009 100644 (file)
--- a/src/xbt/backtrace.cpp
+++ b/src/xbt/backtrace.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2005-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2005-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -46,16 +46,13 @@ std::unique_ptr<char, void(*)(void*)> demangle(const char* name)
 {
 #ifdef __GXX_ABI_VERSION
   int status;
-  auto res = std::unique_ptr<char, void(*)(void*)>(
-    abi::__cxa_demangle(name, nullptr, nullptr, &status),
-    std::free
-  );
+  auto res = std::unique_ptr<char, void (*)(void*)>(abi::__cxa_demangle(name, nullptr, nullptr, &status), &std::free);
   if (res != nullptr)
     return res;
   // We did not manage to resolve this. Probably because this is not a mangled symbol:
 #endif
   // Return the symbol:
-  return std::unique_ptr<char, void(*)(void*)>(xbt_strdup(name), std::free);
+  return std::unique_ptr<char, void (*)(void*)>(xbt_strdup(name), &std::free);
 }
 
 class BacktraceImpl {
@@ -87,6 +84,27 @@ Backtrace::Backtrace(const Backtrace& bt)
     impl_->ref();
 }
 
+Backtrace::Backtrace(Backtrace&& bt)
+{
+  impl_    = bt.impl_;
+  bt.impl_ = nullptr;
+}
+
+Backtrace& Backtrace::operator=(const Backtrace& rhs)
+{
+  impl_ = rhs.impl_;
+  if (impl_)
+    impl_->ref();
+  return *this;
+}
+
+Backtrace& Backtrace::operator=(Backtrace&& rhs)
+{
+  impl_     = rhs.impl_;
+  rhs.impl_ = nullptr;
+  return *this;
+}
+
 Backtrace::~Backtrace()
 {
   if (impl_ != nullptr && impl_->unref()) {