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1 /* Fast unicode equal function optimized for dictobject.c and setobject.c */
2 
3 /* Return 1 if two unicode objects are equal, 0 if not.
4  * unicode_eq() is called when the hash of two unicode objects is equal.
5  */
6 Py_LOCAL_INLINE(int)
unicode_eq(PyObject * aa,PyObject * bb)7 unicode_eq(PyObject *aa, PyObject *bb)
8 {
9     assert(PyUnicode_Check(aa));
10     assert(PyUnicode_Check(bb));
11     assert(PyUnicode_IS_READY(aa));
12     assert(PyUnicode_IS_READY(bb));
13 
14     PyUnicodeObject *a = (PyUnicodeObject *)aa;
15     PyUnicodeObject *b = (PyUnicodeObject *)bb;
16 
17     if (PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b))
18         return 0;
19     if (PyUnicode_GET_LENGTH(a) == 0)
20         return 1;
21     if (PyUnicode_KIND(a) != PyUnicode_KIND(b))
22         return 0;
23     return memcmp(PyUnicode_1BYTE_DATA(a), PyUnicode_1BYTE_DATA(b),
24                   PyUnicode_GET_LENGTH(a) * PyUnicode_KIND(a)) == 0;
25 }
26