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#include "parts.h"
#include <stddef.h> // for offsetof()
// This defines two classes that contain all the simple member types, one
// using "new" Py_-prefixed API, and the other using "old" <structmember.h>.
// They should behave identically in Python.
typedef struct {
char bool_member;
char byte_member;
unsigned char ubyte_member;
short short_member;
unsigned short ushort_member;
int int_member;
unsigned int uint_member;
long long_member;
unsigned long ulong_member;
Py_ssize_t pyssizet_member;
float float_member;
double double_member;
char inplace_member[6];
long long longlong_member;
unsigned long long ulonglong_member;
} all_structmembers;
typedef struct {
PyObject_HEAD
all_structmembers structmembers;
} test_structmembers;
static struct PyMemberDef test_members_newapi[] = {
{"T_BOOL", Py_T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
{"T_BYTE", Py_T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
{"T_UBYTE", Py_T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
{"T_SHORT", Py_T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
{"T_USHORT", Py_T_USHORT, offsetof(test_structmembers, structmembers.ushort_member), 0, NULL},
{"T_INT", Py_T_INT, offsetof(test_structmembers, structmembers.int_member), 0, NULL},
{"T_UINT", Py_T_UINT, offsetof(test_structmembers, structmembers.uint_member), 0, NULL},
{"T_LONG", Py_T_LONG, offsetof(test_structmembers, structmembers.long_member), 0, NULL},
{"T_ULONG", Py_T_ULONG, offsetof(test_structmembers, structmembers.ulong_member), 0, NULL},
{"T_PYSSIZET", Py_T_PYSSIZET, offsetof(test_structmembers, structmembers.pyssizet_member), 0, NULL},
{"T_FLOAT", Py_T_FLOAT, offsetof(test_structmembers, structmembers.float_member), 0, NULL},
{"T_DOUBLE", Py_T_DOUBLE, offsetof(test_structmembers, structmembers.double_member), 0, NULL},
{"T_STRING_INPLACE", Py_T_STRING_INPLACE, offsetof(test_structmembers, structmembers.inplace_member), 0, NULL},
{"T_LONGLONG", Py_T_LONGLONG, offsetof(test_structmembers, structmembers.longlong_member), 0, NULL},
{"T_ULONGLONG", Py_T_ULONGLONG, offsetof(test_structmembers, structmembers.ulonglong_member), 0, NULL},
{NULL}
};
static PyObject *
test_structmembers_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
static char *keywords[] = {
"T_BOOL", "T_BYTE", "T_UBYTE", "T_SHORT", "T_USHORT",
"T_INT", "T_UINT", "T_LONG", "T_ULONG", "T_PYSSIZET",
"T_FLOAT", "T_DOUBLE", "T_STRING_INPLACE",
"T_LONGLONG", "T_ULONGLONG",
NULL};
static const char fmt[] = "|bbBhHiIlknfds#LK";
test_structmembers *ob;
const char *s = NULL;
Py_ssize_t string_len = 0;
ob = PyObject_New(test_structmembers, type);
if (ob == NULL) {
return NULL;
}
memset(&ob->structmembers, 0, sizeof(all_structmembers));
if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords,
&ob->structmembers.bool_member,
&ob->structmembers.byte_member,
&ob->structmembers.ubyte_member,
&ob->structmembers.short_member,
&ob->structmembers.ushort_member,
&ob->structmembers.int_member,
&ob->structmembers.uint_member,
&ob->structmembers.long_member,
&ob->structmembers.ulong_member,
&ob->structmembers.pyssizet_member,
&ob->structmembers.float_member,
&ob->structmembers.double_member,
&s, &string_len,
&ob->structmembers.longlong_member,
&ob->structmembers.ulonglong_member))
{
Py_DECREF(ob);
return NULL;
}
if (s != NULL) {
if (string_len > 5) {
Py_DECREF(ob);
PyErr_SetString(PyExc_ValueError, "string too long");
return NULL;
}
strcpy(ob->structmembers.inplace_member, s);
}
else {
strcpy(ob->structmembers.inplace_member, "");
}
return (PyObject *)ob;
}
static PyType_Slot test_structmembers_slots[] = {
{Py_tp_new, test_structmembers_new},
{Py_tp_members, test_members_newapi},
{0},
};
static PyType_Spec test_structmembers_spec = {
.name = "_testcapi._test_structmembersType_NewAPI",
.flags = Py_TPFLAGS_DEFAULT,
.basicsize = sizeof(test_structmembers),
.slots = test_structmembers_slots,
};
#include <structmember.h>
static struct PyMemberDef test_members[] = {
{"T_BOOL", T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
{"T_BYTE", T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
{"T_UBYTE", T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
{"T_SHORT", T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
{"T_USHORT", T_USHORT, offsetof(test_structmembers, structmembers.ushort_member), 0, NULL},
{"T_INT", T_INT, offsetof(test_structmembers, structmembers.int_member), 0, NULL},
{"T_UINT", T_UINT, offsetof(test_structmembers, structmembers.uint_member), 0, NULL},
{"T_LONG", T_LONG, offsetof(test_structmembers, structmembers.long_member), 0, NULL},
{"T_ULONG", T_ULONG, offsetof(test_structmembers, structmembers.ulong_member), 0, NULL},
{"T_PYSSIZET", T_PYSSIZET, offsetof(test_structmembers, structmembers.pyssizet_member), 0, NULL},
{"T_FLOAT", T_FLOAT, offsetof(test_structmembers, structmembers.float_member), 0, NULL},
{"T_DOUBLE", T_DOUBLE, offsetof(test_structmembers, structmembers.double_member), 0, NULL},
{"T_STRING_INPLACE", T_STRING_INPLACE, offsetof(test_structmembers, structmembers.inplace_member), 0, NULL},
{"T_LONGLONG", T_LONGLONG, offsetof(test_structmembers, structmembers.longlong_member), 0, NULL},
{"T_ULONGLONG", T_ULONGLONG, offsetof(test_structmembers, structmembers.ulonglong_member), 0, NULL},
{NULL}
};
static void
test_structmembers_free(PyObject *ob)
{
PyObject_Free(ob);
}
/* Designated initializers would work too, but this does test the *old* API */
static PyTypeObject test_structmembersType_OldAPI= {
PyVarObject_HEAD_INIT(NULL, 0)
"test_structmembersType_OldAPI",
sizeof(test_structmembers), /* tp_basicsize */
0, /* tp_itemsize */
test_structmembers_free, /* destructor tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
0, /* tp_flags */
"Type containing all structmember types",
0, /* traverseproc tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
test_members, /* tp_members */
0,
0,
0,
0,
0,
0,
0,
0,
test_structmembers_new, /* tp_new */
};
int
_PyTestCapi_Init_Structmember(PyObject *m)
{
int res;
res = PyType_Ready(&test_structmembersType_OldAPI);
if (res < 0) {
return -1;
}
res = PyModule_AddObjectRef(
m,
"_test_structmembersType_OldAPI",
(PyObject *)&test_structmembersType_OldAPI);
if (res < 0) {
return -1;
}
PyObject *test_structmembersType_NewAPI = PyType_FromModuleAndSpec(
m, &test_structmembers_spec, NULL);
if (!test_structmembersType_NewAPI) {
return -1;
}
res = PyModule_AddType(m, (PyTypeObject*)test_structmembersType_NewAPI);
Py_DECREF(test_structmembersType_NewAPI);
if (res < 0) {
return -1;
}
return 0;
}
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