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Change definition of `lua_State` to opaque struct

This commit is contained in:
Alex Orlenko 2021-08-27 14:43:25 +01:00
parent 09af3e021a
commit f71db80a74
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GPG Key ID: 4C150C250863B96D
1 changed files with 7 additions and 2 deletions
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9
src/ffi/lua.rs
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@ -23,6 +23,7 @@
//! Contains definitions from `lua.h`.
use std::marker::{PhantomData, PhantomPinned};
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
use std::os::raw::c_uchar;
use std::os::raw::{c_char, c_int, c_void};
@ -81,7 +82,11 @@ pub const LUA_ERRERR: c_int = 5;
pub const LUA_ERRERR: c_int = 6;
/// A raw Lua state associated with a thread.
pub type lua_State = c_void;
#[repr(C)]
pub struct lua_State {
_data: [u8; 0],
_marker: PhantomData<(*mut u8, PhantomPinned)>,
}
// basic types
pub const LUA_TNONE: c_int = -1;
@ -621,7 +626,7 @@ extern "C" {
#[cfg(any(feature = "lua54", feature = "lua53"))]
#[inline(always)]
pub unsafe fn lua_getextraspace(L: *mut lua_State) -> *mut c_void {
L.offset(-super::glue::LUA_EXTRASPACE as isize) as *mut c_void
(L as *mut c_char).offset(-super::glue::LUA_EXTRASPACE as isize) as *mut c_void
}
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]