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authorBenjamin Peterson <benjamin@python.org>2014-04-14 02:31:42 (GMT)
committerBenjamin Peterson <benjamin@python.org>2014-04-14 02:31:42 (GMT)
commit584f5cbf16980f21c58bf7ce7e451e022355fa3d (patch)
tree5fb3623c73a49499d71d382723c283f3b83a8478 /Modules/_json.c
parentd5aa487cceac54fdf2b5c073157b899b3c8c9c94 (diff)
parent156285c35f8ff856883f09394653b000331e3e33 (diff)
downloadcpython-584f5cbf16980f21c58bf7ce7e451e022355fa3d.zip
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merge 3.3
Diffstat (limited to 'Modules/_json.c')
-rw-r--r--Modules/_json.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/Modules/_json.c b/Modules/_json.c
index 125101f..7d627cb 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -941,7 +941,10 @@ scan_once_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_
kind = PyUnicode_KIND(pystr);
length = PyUnicode_GET_LENGTH(pystr);
- if (idx >= length) {
+ if (idx < 0)
+ /* Compatibility with Python version. */
+ idx += length;
+ if (idx < 0 || idx >= length) {
raise_stop_iteration(idx);
return NULL;
}