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Fix resize_compact()

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Issue #26217: resize_compact() must set wstr_length to 0 after freeing the wstr
string. Otherwise, an assertion fails in _PyUnicode_CheckConsistency().
This commit is contained in:
Victor Stinner 2016-01-27 16:56:53 +01:00
parent 3743432302
commit 5bc03a6d4d
1 changed files with 2 additions and 0 deletions
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2
Objects/unicodeobject.c
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@ -748,6 +748,8 @@ resize_compact(PyObject *unicode, Py_ssize_t length)
else if (_PyUnicode_HAS_WSTR_MEMORY(unicode)) { else if (_PyUnicode_HAS_WSTR_MEMORY(unicode)) {
PyObject_DEL(_PyUnicode_WSTR(unicode)); PyObject_DEL(_PyUnicode_WSTR(unicode));
_PyUnicode_WSTR(unicode) = NULL; _PyUnicode_WSTR(unicode) = NULL;
if (!PyUnicode_IS_ASCII(unicode))
_PyUnicode_WSTR_LENGTH(unicode) = 0;
} }
#ifdef Py_DEBUG #ifdef Py_DEBUG
unicode_fill_invalid(unicode, old_length); unicode_fill_invalid(unicode, old_length);