commit daf17e9bc8aa4aae570d9746a724ba5f3fdc7cb9
author Victor Stinner <victor.stinner@haypocalc.com> Wed May 25 22:52:37 2011 +0200
committer Victor Stinner <victor.stinner@haypocalc.com> Wed May 25 22:52:37 2011 +0200
tree 95d10cf2f029b0e2bdccd9bbd8fcf6193c739e6b
parent 5100a405dc6abe7f28597248b3dea415c2089d4a

Issue #12175: RawIOBase.readall() now returns None if read() returns None.

Modules/_io/iobase.c

diff --git a/Modules/_io/iobase.c b/Modules/_io/iobase.c
index e129ca9..176761d 100644
--- a/Modules/_io/iobase.c
+++ b/Modules/_io/iobase.c
@@ -814,6 +814,14 @@
             Py_DECREF(chunks);
             return NULL;
         }
+        if (data == Py_None) {
+            if (PyList_GET_SIZE(chunks) == 0) {
+                Py_DECREF(chunks);
+                return data;
+            }
+            Py_DECREF(data);
+            break;
+        }
         if (!PyBytes_Check(data)) {
             Py_DECREF(chunks);
             Py_DECREF(data);