Check for null global.

csound · Dec 13, 2017 · 7e75992 · 7e75992
1 parent 3c950d7
commit 7e75992
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/include/OpcodeBase.hpp b/include/OpcodeBase.hpp
@@ -85,7 +85,11 @@ template<typename T> int CreateGlobalPointer(CSOUND *csound, const char *name, T
 template<typename T> T *QueryGlobalPointer(CSOUND *csound, const char *name, T*& pointer)
 {
     T **pointer_to_pointer = static_cast<T **>(csound->QueryGlobalVariableNoCheck(csound, name));
-    pointer = *pointer_to_pointer;
+    if (pointer_to_pointer != 0) {
+        pointer = *pointer_to_pointer;
+    } else {
+        pointer = 0;
+    }
     return pointer;
 }