[Python-checkins] cpython: Issue #15728: Fix leak in PyUnicode_AsWideCharString(). Found by Coverity.

[stefan.krah]

http://hg.python.org/cpython/rev/2703171ddf53
changeset:   78657:2703171ddf53
user:        Stefan Krah <skrah at bytereef.org>
date:        Sun Aug 19 21:52:43 2012 +0200
summary:
  Issue #15728: Fix leak in PyUnicode_AsWideCharString(). Found by Coverity.

files:
  Objects/unicodeobject.c |  6 ++++--
  1 files changed, 4 insertions(+), 2 deletions(-)


diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -2935,8 +2935,10 @@
         return NULL;
     }
     buflen = unicode_aswidechar(unicode, buffer, buflen);
-    if (buflen == -1)
-        return NULL;
+    if (buflen == -1) {
+        PyMem_FREE(buffer);
+        return NULL;
+    }
     if (size != NULL)
         *size = buflen;
     return buffer;

-- 
Repository URL: http://hg.python.org/cpython