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luaur_vm/functions/
lua_tothread.rs

1use core::ffi::c_int;
2
3use crate::functions::index_2_addr::index2addr;
4use crate::macros::ttisthread::ttisthread;
5use crate::records::lua_state::lua_State as LuaStateRecord;
6use crate::type_aliases::lua_state::lua_State;
7use crate::type_aliases::stk_id::StkId;
8
9#[allow(non_snake_case)]
10pub unsafe fn lua_tothread(L: *mut lua_State, idx: c_int) -> *mut lua_State {
11    let o: StkId = index2addr(L, idx);
12
13    if !ttisthread!(o) {
14        core::ptr::null_mut()
15    } else {
16        core::ptr::addr_of_mut!((*(*o).value.gc).th) as *mut LuaStateRecord
17    }
18}