From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Tue, 4 Jan 2011 21:58:10 +0000 (+0000)
Subject: Issue #9566: explain why (int)len cannot underflow
X-Git-Tag: v3.2rc1~190
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ed7e2224542a595a8c1a5e9be92a467983329a28;p=thirdparty%2FPython%2Fcpython.git

Issue #9566: explain why (int)len cannot underflow
---

diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index dea682d412e5..21ab0882ca1a 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -839,6 +839,7 @@ readinst(char *buf, int buf_size, PyObject *meth)
 finally:
     Py_XDECREF(arg);
     Py_XDECREF(str);
+    /* len <= buf_size <= INT_MAX (see above) */
     return (int)len;
 }