From: Guido van Rossum <guido@python.org>
Date: Tue, 27 Feb 2007 20:57:45 +0000 (+0000)
Subject: Fix off-by-one bug in memmove() call in bytes_insert().
X-Git-Tag: v3.0a1~1139
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4fc8ae424f915d07ff56d32dceec3d2c4a89560e;p=python

Fix off-by-one bug in memmove() call in bytes_insert().
Fix by Pete Shinners (for his own bug :-).
---

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index f7de8bdd86..f07130d809 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2313,7 +2313,7 @@ bytes_insert(PyBytesObject *self, PyObject *args)
     }
     if (where > n)
         where = n;
-    memmove(self->ob_bytes + where + 1, self->ob_bytes + where, n - where + 1);
+    memmove(self->ob_bytes + where + 1, self->ob_bytes + where, n - where);
     self->ob_bytes[where] = value;
 
     Py_RETURN_NONE;