Python: Attempt to free allocated string after use

NativeAPI: Use UTF8 for string encoding

Author: mos9527

TypeTreeGeneratorAPI/NativeAPI.cs

@@ -192,8 +192,8 @@ unsafe public static int TypeTreeGenerator_getMonoBehaviorDefinitions(IntPtr typ
                 {
                     string module = typeNames[i].Module.Name;
                     string fullName = typeNames[i].FullName;
-                    Marshal.WriteIntPtr(arrayPtr, (i * 2) * Marshal.SizeOf<IntPtr>(), Marshal.StringToCoTaskMemAnsi(module));
-                    Marshal.WriteIntPtr(arrayPtr, (i * 2 + 1) * Marshal.SizeOf<IntPtr>(), Marshal.StringToCoTaskMemAnsi(fullName));
+                    Marshal.WriteIntPtr(arrayPtr, (i * 2) * Marshal.SizeOf<IntPtr>(), Marshal.StringToCoTaskMemUTF8(module));
+                    Marshal.WriteIntPtr(arrayPtr, (i * 2 + 1) * Marshal.SizeOf<IntPtr>(), Marshal.StringToCoTaskMemUTF8(fullName));
                 }
 
                 Marshal.WriteIntPtr(arrAddrPtr, arrayPtr);

bindings/python/TypeTreeGeneratorAPI/TypeTreeGenerator.py

@@ -159,10 +159,13 @@ def get_monobehavior_definitions(self) -> List[Tuple[str, str]]:
             ctypes.byref(names_ptr),
             ctypes.byref(names_cnt),
         ), "failed to get module exports"
-        names_array = ctypes.cast(
+        ptr_array = ctypes.cast(
             names_ptr, ctypes.POINTER(ctypes.c_char_p * names_cnt.value)
-        ).contents
-        names = [name.decode("ascii") for name in names_array]
+        )
+        names = [name.decode("utf-8") for name in ptr_array.contents]
+        for ptr in ptr_array:
+            ptr = ctypes.cast(ptr, ctypes.c_void_p).value
+            DLL.FreeCoTaskMem(ptr)
         DLL.FreeCoTaskMem(names_ptr)
         return [(module, fullname) for module, fullname in zip(names[::2], names[1::2])]