diff options
Diffstat (limited to 'src/ffi.rs')
| -rw-r--r-- | src/ffi.rs | 21 |
1 files changed, 10 insertions, 11 deletions
@@ -3,24 +3,19 @@ #![allow(unused)] use std::ptr; +use std::mem; use std::os::raw::{c_char, c_double, c_int, c_longlong, c_void}; pub type lua_Integer = c_longlong; pub type lua_Number = c_double; pub enum lua_State {} -pub type lua_Alloc = unsafe extern "C" fn( - ud: *mut c_void, - ptr: *mut c_void, - osize: usize, - nsize: usize, -) -> *mut c_void; +pub type lua_Alloc = + unsafe extern "C" fn(ud: *mut c_void, ptr: *mut c_void, osize: usize, nsize: usize) + -> *mut c_void; pub type lua_KContext = *mut c_void; -pub type lua_KFunction = unsafe extern "C" fn( - state: *mut lua_State, - status: c_int, - ctx: lua_KContext, -) -> c_int; +pub type lua_KFunction = + unsafe extern "C" fn(state: *mut lua_State, status: c_int, ctx: lua_KContext) -> c_int; pub type lua_CFunction = unsafe extern "C" fn(state: *mut lua_State) -> c_int; pub const LUA_OK: c_int = 0; @@ -177,6 +172,10 @@ extern "C" { pub fn luaL_len(push_state: *mut lua_State, index: c_int) -> lua_Integer; } +pub unsafe fn lua_getextraspace(state: *mut lua_State) -> *mut c_void { + (state as *mut c_void).offset(-(mem::size_of::<*mut c_void>() as isize)) +} + pub unsafe fn lua_pop(state: *mut lua_State, n: c_int) { lua_settop(state, -n - 1); } |