Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/include/demangle.h b/src/include/demangle.h
new file mode 100644
index 000000000..9e46d952f
--- /dev/null
+++ b/src/include/demangle.h
@@ -0,0 +1,48 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 Allen Samuels <allen.samuels@sandisk.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_INCLUDE_DEMANGLE
+#define CEPH_INCLUDE_DEMANGLE
+
+//// Stole this code from http://stackoverflow.com/questions/281818/unmangling-the-result-of-stdtype-infoname
+#ifdef __GNUG__
+#include <cstdlib>
+#include <memory>
+#include <cxxabi.h>
+
+static std::string ceph_demangle(const char* name)
+{
+  int status = -4; // some arbitrary value to eliminate the compiler warning
+
+  // enable c++11 by passing the flag -std=c++11 to g++
+  std::unique_ptr<char, void(*)(void*)> res {
+    abi::__cxa_demangle(name, NULL, NULL, &status),
+    std::free
+  };
+
+  return (status == 0) ? res.get() : name ;
+}
+
+#else
+
+// does nothing if not g++
+static std::string demangle(const char* name)
+{
+  return name;
+}
+
+#endif
+
+
+#endif