(Releng) Fix memory leak when __cxa_demangle is called

gegelatilib/include/data/arrayWrapper.h

@@ -53,9 +53,10 @@
 #define DEMANGLE_TYPEID_NAME(name) name
 #elif __GNUC__
 #include <cxxabi.h>
+std::string demangle(const char* name);
 /// Macro for getting type name in human readable format.
 #define DEMANGLE_TYPEID_NAME(name)                                             \
-    abi::__cxa_demangle(name, nullptr, nullptr, nullptr)
+    demangle(name).c_str()
 #else
 #error Unsupported compiler (yet): Check need for name demangling of typeid.name().
 #endif

gegelatilib/src/data/demangle.cpp

@@ -0,0 +1,20 @@
+#include "data/arrayWrapper.h"
+
+#ifdef __GNUC__
+std::string demangle(const char* name)
+{
+    int status = -4;
+    char* demangleValue = abi::__cxa_demangle(name, nullptr, nullptr, &status);
+    std::string result;
+    if (status == 0) {
+        result = std::string{demangleValue};
+        free(demangleValue);
+    }
+    else {
+        throw std::runtime_error("Error while trying to demangle the value. "
+                                 "Return code of abi::__cxa_demangle is " +
+                                 std::to_string(status));
+    }
+    return result;
+}
+#endif