[issue4445] String allocations waste 3 bytes of memory on average.

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

Suggestion:

#define PyStringObject_SIZE (offsetof(PyStringObject, ob_sval) + 1)


 	/* Inline PyObject_NewVar */
-	op = (PyStringObject *)PyObject_MALLOC(sizeof(PyStringObject) + size);
 	/* Inline PyObject_NewVar */
+	op = (PyStringObject *)PyObject_MALLOC(PyStringObject_SIZE + size);

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4445>
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