Add sq_contains implementation.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index b9223eb..da12da2 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -2737,6 +2737,49 @@
return -1;
}
+int PyUnicode_Contains(PyObject *container,
+ PyObject *element)
+{
+ PyUnicodeObject *u = NULL, *v = NULL;
+ int result;
+ register const Py_UNICODE *p, *e;
+ register Py_UNICODE ch;
+
+ /* Coerce the two arguments */
+ u = (PyUnicodeObject *)PyUnicode_FromObject(container);
+ if (u == NULL)
+ goto onError;
+ v = (PyUnicodeObject *)PyUnicode_FromObject(element);
+ if (v == NULL)
+ goto onError;
+
+ /* Check v in u */
+ if (PyUnicode_GET_SIZE(v) != 1) {
+ PyErr_SetString(PyExc_TypeError,
+ "string member test needs char left operand");
+ goto onError;
+ }
+ ch = *PyUnicode_AS_UNICODE(v);
+ p = PyUnicode_AS_UNICODE(u);
+ e = p + PyUnicode_GET_SIZE(u);
+ result = 0;
+ while (p < e) {
+ if (*p++ == ch) {
+ result = 1;
+ break;
+ }
+ }
+
+ Py_DECREF(u);
+ Py_DECREF(v);
+ return result;
+
+onError:
+ Py_XDECREF(u);
+ Py_XDECREF(v);
+ return -1;
+}
+
/* Concat to string or Unicode object giving a new Unicode object. */
PyObject *PyUnicode_Concat(PyObject *left,
@@ -3817,6 +3860,7 @@
(intintargfunc) unicode_slice, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
+ (objobjproc)PyUnicode_Contains, /*sq_contains*/
};
static int