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