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SickRage/tornado/speedups.c

53 lines
1.0 KiB
C

#define PY_SSIZE_T_CLEAN
#include <Python.h>
static PyObject* websocket_mask(PyObject* self, PyObject* args) {
const char* mask;
Py_ssize_t mask_len;
const char* data;
Py_ssize_t data_len;
Py_ssize_t i;
PyObject* result;
char* buf;
if (!PyArg_ParseTuple(args, "s#s#", &mask, &mask_len, &data, &data_len)) {
return NULL;
}
result = PyBytes_FromStringAndSize(NULL, data_len);
if (!result) {
return NULL;
}
buf = PyBytes_AsString(result);
for (i = 0; i < data_len; i++) {
buf[i] = data[i] ^ mask[i % 4];
}
return result;
}
static PyMethodDef methods[] = {
{"websocket_mask", websocket_mask, METH_VARARGS, ""},
{NULL, NULL, 0, NULL}
};
#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef speedupsmodule = {
PyModuleDef_HEAD_INIT,
"speedups",
NULL,
-1,
methods
};
PyMODINIT_FUNC
PyInit_speedups() {
return PyModule_Create(&speedupsmodule);
}
#else // Python 2.x
PyMODINIT_FUNC
initspeedups() {
Py_InitModule("tornado.speedups", methods);
}
#endif