From: Victor Stinner <victor.stinner@gmail.com>
Date: Wed, 3 Oct 2012 21:03:46 +0000 (+0200)
Subject: PyUnicode_Format(): disable overallocation when we are writing the last part
X-Git-Tag: v3.4.0a1~2392
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a049443fab2442fff090470f8a4ec7a7c79c83ff;p=thirdparty%2FPython%2Fcpython.git

PyUnicode_Format(): disable overallocation when we are writing the last part
of the output string
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 09067e919c46..53f0fb5a3f10 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -13583,8 +13583,10 @@ PyUnicode_Format(PyObject *format, PyObject *args)
                 fmtpos++;
                 fmtcnt--;
             }
-            if (fmtcnt < 0)
+            if (fmtcnt < 0) {
                 fmtpos--;
+                writer.overallocate = 0;
+            }
             sublen = fmtpos - nonfmtpos;
             maxchar = _PyUnicode_FindMaxChar(uformat,
                                              nonfmtpos, nonfmtpos + sublen);