luacjson 0.1.3

extend for Lua 5.3
Documentation 
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extern crate td_rlua;

#[allow(improper_ctypes)]
extern "C" {
    pub fn luaopen_cjson(L : *mut td_rlua::lua_State) -> libc::c_int ;
}

extern "C" fn safe_luaopen_cjson(lua: *mut td_rlua::lua_State) -> libc::c_int {
    unsafe {
        luaopen_cjson(lua)
    }
}

/// custom lua load func
extern "C" fn load_func(lua: *mut td_rlua::lua_State) -> libc::c_int {
    let path:String = td_rlua::LuaRead::lua_read(lua).unwrap_or(String::new());
    if &path == "cjson" {
        unsafe {
            td_rlua::lua_pushcfunction(lua, safe_luaopen_cjson);
        }
        return 1;
    }
    return 0;
}

pub fn enable_cjson(lua : &mut td_rlua::Lua) {
    lua.add_lualoader(load_func);
}