[GR-52132] Fix automatically "byref"-ing structs passed as pointers

timfel · timfel · commit 3d375926d1d5 · 2024-02-15T17:20:30.000+01:00
diff --git a/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ctypes/PyCPointerTypeBuiltins.java b/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ctypes/PyCPointerTypeBuiltins.java
@@ -197,7 +197,7 @@ static PyCArgObject byref(Node inliningTarget, Object obj,
             parg.tag = 'P';
             parg.pffi_type = ffi_type_pointer;
             parg.obj = cdata;
-            parg.valuePointer = cdata.b_ptr;
+            parg.valuePointer = cdata.b_ptr.createReference();
             return parg;
         }
 

Original file line number	Diff line number	Diff line change
`@@ -197,7 +197,7 @@ static PyCArgObject byref(Node inliningTarget, Object obj,`
`197`	`197`	`parg.tag = 'P';`
`198`	`198`	`parg.pffi_type = ffi_type_pointer;`
`199`	`199`	`parg.obj = cdata;`
`200`		`- parg.valuePointer = cdata.b_ptr;`
	`200`	`+ parg.valuePointer = cdata.b_ptr.createReference();`
`201`	`201`	`return parg;`
`202`	`202`	`}`
`203`	`203`