use libc::size_t;
use std::ffi::{c_int, c_void};
use crate::object::*;
use crate::pyport::Py_ssize_t;
extern_libpython! {
pub fn PyObject_Malloc(size: size_t) -> *mut c_void;
pub fn PyObject_Calloc(nelem: size_t, elsize: size_t) -> *mut c_void;
pub fn PyObject_Realloc(ptr: *mut c_void, new_size: size_t) -> *mut c_void;
pub fn PyObject_Free(ptr: *mut c_void);
pub fn PyObject_Init(arg1: *mut PyObject, arg2: *mut PyTypeObject) -> *mut PyObject;
pub fn PyObject_InitVar(
arg1: *mut PyVarObject,
arg2: *mut PyTypeObject,
arg3: Py_ssize_t,
) -> *mut PyVarObject;
fn _PyObject_New(typeobj: *mut PyTypeObject) -> *mut PyObject;
fn _PyObject_NewVar(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut PyVarObject;
}
#[inline]
pub unsafe fn PyObject_New<T>(typeobj: *mut PyTypeObject) -> *mut T {
_PyObject_New(typeobj).cast()
}
#[inline]
pub unsafe fn PyObject_NewVar<T>(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut T {
_PyObject_NewVar(typeobj, n).cast()
}
extern_libpython! {
pub fn PyGC_Collect() -> Py_ssize_t;
#[cfg(Py_3_10)]
pub fn PyGC_Enable() -> c_int;
#[cfg(Py_3_10)]
pub fn PyGC_Disable() -> c_int;
#[cfg(Py_3_10)]
pub fn PyGC_IsEnabled() -> c_int;
}
#[inline]
pub unsafe fn PyType_IS_GC(t: *mut PyTypeObject) -> c_int {
PyType_HasFeature(t, Py_TPFLAGS_HAVE_GC)
}
extern_libpython! {
fn _PyObject_GC_Resize(op: *mut PyVarObject, n: Py_ssize_t) -> *mut PyVarObject;
}
#[inline]
pub unsafe fn PyObject_GC_Resize<T>(op: *mut PyObject, n: Py_ssize_t) -> *mut T {
_PyObject_GC_Resize(op.cast(), n).cast()
}
extern_libpython! {
fn _PyObject_GC_New(typeobj: *mut PyTypeObject) -> *mut PyObject;
fn _PyObject_GC_NewVar(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut PyVarObject;
pub fn PyObject_GC_Track(arg1: *mut c_void);
pub fn PyObject_GC_UnTrack(arg1: *mut c_void);
pub fn PyObject_GC_Del(arg1: *mut c_void);
}
#[inline]
pub unsafe fn PyObject_GC_New<T>(typeobj: *mut PyTypeObject) -> *mut T {
_PyObject_GC_New(typeobj).cast()
}
#[inline]
pub unsafe fn PyObject_GC_NewVar<T>(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut T {
_PyObject_GC_NewVar(typeobj, n).cast()
}
extern_libpython! {
#[cfg(Py_3_9)]
pub fn PyObject_GC_IsTracked(arg1: *mut PyObject) -> c_int;
#[cfg(Py_3_9)]
pub fn PyObject_GC_IsFinalized(arg1: *mut PyObject) -> c_int;
}