From: Guido van Rossum <guido@python.org>
Date: Tue, 16 Feb 1999 19:40:02 +0000 (+0000)
Subject: Check for potential error returned by _ungetch().
X-Git-Tag: v1.5.2b2~39
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6543e88d2ac6a5d4dd7e6e4aae3305eeeaa65d8f;p=thirdparty%2FPython%2Fcpython.git

Check for potential error returned by _ungetch().
---

diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index fd46c0f3c26c..21be21a5c9f2 100755
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -165,7 +165,8 @@ static PyObject *msvcrt_ungetch(PyObject *self, PyObject *args)
 	if (!PyArg_ParseTuple(args, "c:ungetch", &ch))
 		return NULL;
 
-	_ungetch(ch);
+	if (_ungetch(ch) == EOF)
+		return PyErr_SetFromErrno(PyExc_IOError);
 	Py_INCREF(Py_None);
 	return Py_None;
 }