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pyo3_ffi/cpython/
pyhash.rs

1#[cfg(Py_3_14)]
2use crate::Py_ssize_t;
3#[cfg(Py_3_13)]
4use crate::{PyObject, Py_hash_t};
5#[cfg(any(Py_3_13, not(PyPy)))]
6use core::ffi::c_void;
7#[cfg(not(PyPy))]
8use core::ffi::{c_char, c_int};
9
10#[cfg(not(PyPy))]
11#[repr(C)]
12#[derive(Copy, Clone)]
13pub struct PyHash_FuncDef {
14    pub hash:
15        Option<extern "C" fn(arg1: *const c_void, arg2: crate::Py_ssize_t) -> crate::Py_hash_t>,
16    pub name: *const c_char,
17    pub hash_bits: c_int,
18    pub seed_bits: c_int,
19}
20
21extern_libpython! {
22    #[cfg(not(PyPy))]
23    pub fn PyHash_GetFuncDef() -> *mut PyHash_FuncDef;
24    #[cfg(Py_3_13)]
25    pub fn Py_HashPointer(ptr: *const c_void) -> Py_hash_t;
26    #[cfg(Py_3_13)]
27    pub fn PyObject_GenericHash(obj: *mut PyObject) -> Py_hash_t;
28    #[cfg(Py_3_14)]
29    pub fn Py_HashBuffer(ptr: *const c_void, len: Py_ssize_t) -> Py_hash_t;
30}