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/* Copyright (C) 2015-2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* Bindings to engine services, see \a https://www.lua.org/manual/5.2/manual.html#luaL_newlib for the reference.
*/
#pragma once
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
#include "daemon/engine.h"
/** @internal Compatibility wrapper for Lua 5.0 - 5.2 */
#if LUA_VERSION_NUM >= 502
#define register_lib(L, name, lib) \
luaL_newlib((L), (lib))
#else
#define lua_rawlen(L, obj) \
lua_objlen((L), (obj))
#define register_lib(L, name, lib) \
luaL_openlib((L), (name), (lib), 0)
#endif
#if !LUA_HAS_SETFUNCS
/* Adapted from Lua 5.2.0 */
static inline void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
luaL_checkstack(L, nup+1, "too many upvalues");
for (; l->name != NULL; l++) { /* fill the table with given functions */
int i;
lua_pushstring(L, l->name);
for (i = 0; i < nup; i++) /* copy upvalues to the top */
lua_pushvalue(L, -(nup+1));
lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
lua_settable(L, -(nup + 3));
}
lua_pop(L, nup); /* remove upvalues */
}
#endif
/**
* Load 'modules' package.
* @param L scriptable
* @return number of packages to load
*/
int lib_modules(lua_State *L);
/**
* Load 'net' package.
* @param L scriptable
* @return number of packages to load
*/
int lib_net(lua_State *L);
/**
* Load 'cache' package.
* @param L scriptable
* @return number of packages to load
*/
int lib_cache(lua_State *L);
/**
* Load 'event' package.
* @param L scriptable
* @return number of packages to load
*/
int lib_event(lua_State *L);
/**
* Load worker API.
* @param L scriptable
* @return number of packages to load
*/
int lib_worker(lua_State *L);
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