commit d10d6ae2fad2c1963e119ed7bc031b723603b363
author Berker Peksag <berker.peksag@gmail.com> Tue May 12 17:01:05 2015 +0300
committer Berker Peksag <berker.peksag@gmail.com> Tue May 12 17:01:05 2015 +0300
tree f20bea510727f668e68c89320a18a8a81c8ba36f
parent 1aa5e1d63e6452234065e73e59b9f4db2c2efdeb

Issue #23796: peak and read1 methods of BufferedReader now raise ValueError
if they called on a closed object.

Patch by John Hergenroeder.

Modules/_io/bufferedio.c

diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index 2c90648..23ba3df 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -871,6 +871,8 @@
     PyObject *res = NULL;
 
     CHECK_INITIALIZED(self)
+    CHECK_CLOSED(self, "peek of closed file")
+
     if (!ENTER_BUFFERED(self))
         return NULL;
 
@@ -947,6 +949,9 @@
                         "read length must be positive");
         return NULL;
     }
+
+    CHECK_CLOSED(self, "read of closed file")
+
     if (n == 0)
         return PyBytes_FromStringAndSize(NULL, 0);