[[ Bug 22711 ]] Fix crash when calling copy on non-field text chunk

livecodepanos · livecodepanos · commit cfef977e00a2 · 2020-07-02T13:46:21.000+03:00
This patch fixes a crash when calling copy on non-field text chunk.
Now a suitable error is thrown if this is the case.
diff --git a/docs/notes/bugfix-22711.md b/docs/notes/bugfix-22711.md
@@ -0,0 +1 @@
+# Fix crash when calling the `copy` command with a text chunk of a non-field object
diff --git a/engine/src/cmdsc.cpp b/engine/src/cmdsc.cpp
@@ -185,6 +185,12 @@ void MCClipboardCmd::exec_ctxt(MCExecContext& ctxt)
                 return;
             }
             
+            if (t_obj_chunk . object -> gettype() != CT_FIELD)
+            {
+                ctxt . LegacyThrow(EE_CHUNK_BADCONTAINER);
+                return;
+            }
+            
             if (iscut())
                 MCPasteboardExecCutTextToClipboard(ctxt, t_obj_chunk);
             else

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+# Fix crash when calling the `copy` command with a text chunk of a non-field object