cpython/Modules/_uuidmodule.c

64 lines
1.4 KiB
C

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include <uuid/uuid.h>
/* bpo-11063: libuuid on macOS doesn't provide uuid_generate_time_safe(),
only uuid_generate_time(). */
#ifndef __APPLE__
# define HAVE_TIME_SAFE
#endif
static PyObject *
py_uuid_generate_time_safe(void)
{
#ifdef HAVE_TIME_SAFE
uuid_t out;
int res;
res = uuid_generate_time_safe(out);
return Py_BuildValue("y#i", (const char *) out, sizeof(out), res);
#else
uuid_t out;
uuid_generate_time(out);
return Py_BuildValue("y#O", (const char *) out, sizeof(out), Py_None);
#endif
}
static PyMethodDef uuid_methods[] = {
{"generate_time_safe", (PyCFunction) py_uuid_generate_time_safe, METH_NOARGS, NULL},
{NULL, NULL, 0, NULL} /* sentinel */
};
static struct PyModuleDef uuidmodule = {
PyModuleDef_HEAD_INIT,
.m_name = "_uuid",
.m_size = -1,
.m_methods = uuid_methods,
};
PyMODINIT_FUNC
PyInit__uuid(void)
{
PyObject *mod;
assert(sizeof(uuid_t) == 16);
#ifdef HAVE_TIME_SAFE
int has_uuid_generate_time_safe = 1;
#else
int has_uuid_generate_time_safe = 0;
#endif
mod = PyModule_Create(&uuidmodule);
if (mod == NULL) {
return NULL;
}
if (PyModule_AddIntConstant(mod, "has_uuid_generate_time_safe",
has_uuid_generate_time_safe) < 0) {
return NULL;
}
return mod;
}