From: Barry Warsaw <barry@python.org>
Date: Thu, 22 Feb 2001 22:39:18 +0000 (+0000)
Subject: _PyObject_Dump(): If argument is NULL, print "NULL" instead of
X-Git-Tag: v2.1b1~226
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eefb107a48fd7afea4ea53cf45ea69ae2b227aa0;p=python

_PyObject_Dump(): If argument is NULL, print "NULL" instead of
crashing.
---

diff --git a/Objects/object.c b/Objects/object.c
index eff6d7ad07..8a898f8bbf 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -231,9 +231,13 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
 /* For debugging convenience.  See Misc/gdbinit for some useful gdb hooks */
 void _PyObject_Dump(PyObject* op) 
 {
-	(void)PyObject_Print(op, stderr, 0);
-	fprintf(stderr, "\nrefcounts: %d\n", op->ob_refcnt);
-	fprintf(stderr, "address    : %p\n", op);
+	if (op == NULL)
+		fprintf(stderr, "NULL\n");
+	else {
+		(void)PyObject_Print(op, stderr, 0);
+		fprintf(stderr, "\nrefcounts: %d\n", op->ob_refcnt);
+		fprintf(stderr, "address    : %p\n", op);
+	}
 }
 
 #ifdef WITH_CYCLE_GC