commit 2da63cc338a0356a59ce42cad9af8e1e368c9fbf
author Mark Dickinson <dickinsm@gmail.com> Thu Jul 29 21:43:24 2010 +0000
committer Mark Dickinson <dickinsm@gmail.com> Thu Jul 29 21:43:24 2010 +0000
tree 2033ee8fe22c1cfb0dfe96320a1fa5a6d69950ce
parent 8a550f3149662b0a5eb448afd659c95afe42cd0b

Merged revisions 83239 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83239 | mark.dickinson | 2010-07-29 22:41:59 +0100 (Thu, 29 Jul 2010) | 2 lines

  Issue #9422:  Fix memory leak when re-initializing a struct.Struct object.
........

Modules/_struct.c

diff --git a/Modules/_struct.c b/Modules/_struct.c
index c1db286..74d846a 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -1233,6 +1233,9 @@
         PyErr_NoMemory();
         return -1;
     }
+    /* Free any s_codes value left over from a previous initialization. */
+    if (self->s_codes != NULL)
+        PyMem_FREE(self->s_codes);
     self->s_codes = codes;
 
     s = fmt;