From: Armin Rigo <arigo@tunes.org>
Date: Fri, 30 Jul 2004 11:20:18 +0000 (+0000)
Subject: What if you call lst.__init__() while it is being sorted?  :-)
X-Git-Tag: v2.4a2~102
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a37bbf2e5bf9d0854a774cdd1a972d0b7cc9e733;p=python

What if you call lst.__init__() while it is being sorted?  :-)
The invariant checks would break.
---

diff --git a/Objects/listobject.c b/Objects/listobject.c
index 61edd45f3b..bd5b95a33c 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -2315,8 +2315,10 @@ list_init(PyListObject *self, PyObject *args, PyObject *kw)
 		return -1;
 
 	/* Verify list invariants established by PyType_GenericAlloc() */
-	assert(0 <= self->ob_size  &&  self->ob_size <= self->allocated);
-	assert(self->ob_item != NULL  ||  self->allocated == 0);
+	assert(0 <= self->ob_size);
+	assert(self->ob_size <= self->allocated || self->allocated == -1);
+	assert(self->ob_item != NULL ||
+	       self->allocated == 0 || self->allocated == -1);
 
 	/* Empty previous contents */
 	if (self->ob_item != NULL) {