make sure length is unsigned

d7552439 · Benjamin Peterson · 34ef7c4e · d7552439
Commit d7552439 authored Oct 15, 2014 by Benjamin Peterson
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Objects/unicodeobject.c Objects/unicodeobject.c +1 -1

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--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -9489,7 +9489,7 @@ case_operation(PyObject *self,
        PyErr_SetString(PyExc_OverflowError, "string is too long");
        return NULL;
    }
-    tmp = PyMem_MALLOC(sizeof(Py_UCS4) * 3 * length);
+    tmp = PyMem_MALLOC(sizeof(Py_UCS4) * 3 * (size_t)length);
    if (tmp == NULL)
        return PyErr_NoMemory();
    newlength = perform(kind, data, length, tmp, &maxchar);