view Objects/stringlib/eq.h @ 71285:8bc9dbc61ba6 3.2

Issue #12326: document the recommended idiom for checking sys.platform on Unix systems. Also, point to the various alternatives.
author Antoine Pitrou <solipsis@pitrou.net>
date Sat, 09 Jul 2011 15:54:23 +0200
parents cab14be0ada1
children 8beaa9a37387
line wrap: on
line source

/* 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)
{
    register PyUnicodeObject *a = (PyUnicodeObject *)aa;
    register PyUnicodeObject *b = (PyUnicodeObject *)bb;

    if (a->length != b->length)
        return 0;
    if (a->length == 0)
        return 1;
    if (a->str[0] != b->str[0])
        return 0;
    if (a->length == 1)
        return 1;
    return memcmp(a->str, b->str, a->length * sizeof(Py_UNICODE)) == 0;
}