[Python-checkins] cpython: PyUnicode_FindChar() raises a IndexError on invalid index

[victor.stinner]

http://hg.python.org/cpython/rev/6bd6cc7f2c8d
changeset:   72579:6bd6cc7f2c8d
user:        Victor Stinner <victor.stinner at haypocalc.com>
date:        Sun Oct 02 01:08:37 2011 +0200
summary:
  PyUnicode_FindChar() raises a IndexError on invalid index

files:
  Objects/unicodeobject.c |  4 ++++
  1 files changed, 4 insertions(+), 0 deletions(-)


diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -8089,6 +8089,10 @@
     int kind;
     if (PyUnicode_READY(str) == -1)
         return -2;
+    if (start < 0 || end < 0) {
+        PyErr_SetString(PyExc_IndexError, "string index out of range");
+        return -2;
+    }
     if (end > PyUnicode_GET_LENGTH(str))
         end = PyUnicode_GET_LENGTH(str);
     kind = PyUnicode_KIND(str);

-- 
Repository URL: http://hg.python.org/cpython