| /* |
| * Python UUID module that wraps libuuid - |
| * DCE compatible Universally Unique Identifier library. |
| */ |
| |
| #define PY_SSIZE_T_CLEAN |
| |
| #include "Python.h" |
| #ifdef HAVE_UUID_UUID_H |
| #include <uuid/uuid.h> |
| #elif defined(HAVE_UUID_H) |
| #include <uuid.h> |
| #endif |
| |
| static PyObject * |
| py_uuid_generate_time_safe(PyObject *Py_UNUSED(context), |
| PyObject *Py_UNUSED(ignored)) |
| { |
| uuid_t uuid; |
| #ifdef HAVE_UUID_GENERATE_TIME_SAFE |
| int res; |
| |
| res = uuid_generate_time_safe(uuid); |
| return Py_BuildValue("y#i", (const char *) uuid, sizeof(uuid), res); |
| #elif defined(HAVE_UUID_CREATE) |
| uint32_t status; |
| uuid_create(&uuid, &status); |
| # if defined(HAVE_UUID_ENC_BE) |
| unsigned char buf[sizeof(uuid)]; |
| uuid_enc_be(buf, &uuid); |
| return Py_BuildValue("y#i", buf, sizeof(uuid), (int) status); |
| # else |
| return Py_BuildValue("y#i", (const char *) &uuid, sizeof(uuid), (int) status); |
| # endif |
| #else |
| uuid_generate_time(uuid); |
| return Py_BuildValue("y#O", (const char *) uuid, sizeof(uuid), Py_None); |
| #endif |
| } |
| |
| static int |
| uuid_exec(PyObject *module) { |
| assert(sizeof(uuid_t) == 16); |
| #ifdef HAVE_UUID_GENERATE_TIME_SAFE |
| int has_uuid_generate_time_safe = 1; |
| #else |
| int has_uuid_generate_time_safe = 0; |
| #endif |
| if (PyModule_AddIntConstant(module, "has_uuid_generate_time_safe", |
| has_uuid_generate_time_safe) < 0) { |
| return -1; |
| } |
| return 0; |
| } |
| |
| static PyMethodDef uuid_methods[] = { |
| {"generate_time_safe", py_uuid_generate_time_safe, METH_NOARGS, NULL}, |
| {NULL, NULL, 0, NULL} /* sentinel */ |
| }; |
| |
| static PyModuleDef_Slot uuid_slots[] = { |
| {Py_mod_exec, uuid_exec}, |
| {0, NULL} |
| }; |
| |
| static struct PyModuleDef uuidmodule = { |
| PyModuleDef_HEAD_INIT, |
| .m_name = "_uuid", |
| .m_size = 0, |
| .m_methods = uuid_methods, |
| .m_slots = uuid_slots, |
| }; |
| |
| PyMODINIT_FUNC |
| PyInit__uuid(void) |
| { |
| return PyModuleDef_Init(&uuidmodule); |
| } |