needforspeed: stringlib refactoring (in progress)
diff --git a/Objects/stringlib/partition.h b/Objects/stringlib/partition.h
new file mode 100644
index 0000000..498bc19
--- /dev/null
+++ b/Objects/stringlib/partition.h
@@ -0,0 +1,50 @@
+/* stringlib: partition implementation */
+
+#ifndef STRINGLIB_PARTITION_H
+#define STRINGLIB_PARTITION_H
+
+#include "stringlib/fastsearch.h"
+
+Py_LOCAL(PyObject*)
+partition(PyObject* str_obj, const STRINGLIB_CHAR* str, Py_ssize_t str_len,
+ PyObject* sep_obj, const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
+{
+ PyObject* out;
+ Py_ssize_t pos;
+
+ if (sep_len == 0) {
+ PyErr_SetString(PyExc_ValueError, "empty separator");
+ return NULL;
+ }
+
+ out = PyTuple_New(3);
+ if (!out)
+ return NULL;
+
+ pos = fastsearch(str, str_len, sep, sep_len, FAST_SEARCH);
+
+ if (pos < 0) {
+ Py_INCREF(str_obj);
+ PyTuple_SET_ITEM(out, 0, (PyObject*) str_obj);
+ Py_INCREF(STRINGLIB_EMPTY);
+ PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);
+ Py_INCREF(STRINGLIB_EMPTY);
+ PyTuple_SET_ITEM(out, 2, (PyObject*) STRINGLIB_EMPTY);
+ return out;
+ }
+
+ PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));
+ Py_INCREF(sep_obj);
+ PyTuple_SET_ITEM(out, 1, sep_obj);
+ pos += sep_len;
+ PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));
+
+ if (PyErr_Occurred()) {
+ Py_DECREF(out);
+ return NULL;
+ }
+
+ return out;
+}
+
+#endif