lua/ffi/luaconf.rs
1// The MIT License (MIT)
2//
3// Copyright (c) 2014 J.C. Moyer
4//
5// Permission is hereby granted, free of charge, to any person obtaining a copy
6// of this software and associated documentation files (the "Software"), to deal
7// in the Software without restriction, including without limitation the rights
8// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9// copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21// THE SOFTWARE.
22
23//! Contains definitions from `luaconf.h`.
24
25pub use super::glue::LUAL_BUFFERSIZE;
26pub use super::glue::LUA_NUMBER;
27pub use super::glue::LUA_INTEGER;
28pub use super::glue::LUA_UNSIGNED;
29
30pub use super::glue::{LUA_IDSIZE};
31pub use super::glue::{LUA_MININTEGER, LUA_MAXINTEGER};
32
33pub use super::glue::LUAI_MAXSTACK;
34pub use super::glue::LUAL_NUMSIZES;
35
36pub use super::glue::LUA_KCONTEXT;
37
38use libc::c_int;
39
40#[inline(always)]
41pub unsafe fn lua_numtointeger(n: LUA_NUMBER, p: *mut LUA_INTEGER) -> c_int {
42 if n >= (LUA_MININTEGER as LUA_NUMBER) && n < -(LUA_MININTEGER as LUA_NUMBER) {
43 *p = n as LUA_INTEGER;
44 1
45 } else {
46 0
47 }
48}
49