commit 761fcd03aa71d16225850a797f6a7c67c12800ed
author Guido van Rossum <guido@python.org> Mon Apr 12 22:51:20 1999 +0000
committer Guido van Rossum <guido@python.org> Mon Apr 12 22:51:20 1999 +0000
tree 90af6eacaa907fb8617aa8413044e377fcd2a979
parent fe23ad72833f2106f7056037778ebebc3023553d

Fix accidentally reversed NULL test in load_mark().  Suggested by
Tamito Kajiyama.  (This caused a bug only on platforms where malloc(0)
returns NULL.)

Modules/cPickle.c

diff --git a/Modules/cPickle.c b/Modules/cPickle.c
index 614ff06..a661c66 100644
--- a/Modules/cPickle.c
+++ b/Modules/cPickle.c
@@ -3295,7 +3295,7 @@
     if ((self->num_marks + 1) >= self->marks_size) {
         s=self->marks_size+20;
         if (s <= self->num_marks) s=self->num_marks + 1;
-        if (self->marks)
+        if (self->marks == NULL)
             self->marks=(int *)malloc(s * sizeof(int));
         else
             self->marks=(int *)realloc(self->marks, s * sizeof(int));