cpython/Objects/stringlib/eq.h at 3.5 · python/cpython · GitHub

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/* Fast unicode equal function optimized for dictobject.c and setobject.c */

/* Return 1 if two unicode objects are equal, 0 if not.

* unicode_eq() is called when the hash of two unicode objects is equal.

Py_LOCAL_INLINE(int)

unicode_eq(PyObject *aa, PyObject *bb)

{

PyUnicodeObject *a = (PyUnicodeObject *)aa;

PyUnicodeObject *b = (PyUnicodeObject *)bb;

if (PyUnicode_READY(a) == -1 || PyUnicode_READY(b) == -1) {

assert(0 && "unicode_eq ready fail");

return 0;

}

if (PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b))

return 0;

if (PyUnicode_GET_LENGTH(a) == 0)

return 1;

if (PyUnicode_KIND(a) != PyUnicode_KIND(b))

return 0;

return memcmp(PyUnicode_1BYTE_DATA(a), PyUnicode_1BYTE_DATA(b),

PyUnicode_GET_LENGTH(a) * PyUnicode_KIND(a)) == 0;

}