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/*
** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $
** Initialization of libraries for lua.c and other clients
** See Copyright Notice in lua.h
*/
#define linit_c
#define LUA_LIB
/*
** If you embed Lua in your program and need to open the standard
** libraries, call luaL_openlibs in your program. If you need a
** different set of libraries, copy this file to your project and edit
** it to suit your needs.
**
** You can also *preload* libraries, so that a later 'require' can
** open the library, which is already linked to the application.
** For that, do the following code:
**
** luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
** lua_pushcfunction(L, luaopen_modname);
** lua_setfield(L, -2, modname);
** lua_pop(L, 1); // remove PRELOAD table
*/
#include "lprefix.h"
#include <stddef.h>
#include <stdlib.h>
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
#include "lposix.h"
#include "bootstrap.h"
/*
** these libs are loaded by lua.c and are readily available to any Lua
** program
*/
static const luaL_Reg loadedlibs[] = {
{"_G", luaopen_base},
{LUA_LOADLIBNAME, luaopen_package},
{LUA_COLIBNAME, luaopen_coroutine},
{LUA_TABLIBNAME, luaopen_table},
{LUA_IOLIBNAME, luaopen_io},
{LUA_OSLIBNAME, luaopen_os},
{LUA_STRLIBNAME, luaopen_string},
{LUA_MATHLIBNAME, luaopen_math},
{LUA_UTF8LIBNAME, luaopen_utf8},
{LUA_DBLIBNAME, luaopen_debug},
#if defined(LUA_COMPAT_BITLIB)
{LUA_BITLIBNAME, luaopen_bit32},
#endif
/* FreeBSD Extensions */
{"posix", luaopen_posix},
{NULL, NULL}
};
#ifdef BOOTSTRAPPING
static void __attribute__((constructor)) flua_init_env(void) {
/*
* This happens in the middle of luaopen_package(). We could move it into
* flua_setup_mods(), but it seems better to avoid its timing being so
* important that it would break some of our bootstrap modules if someone
* were to reorder things.
*/
if (getenv("LUA_PATH") == NULL)
setenv("LUA_PATH", BOOTSTRAP_FLUA_PATH, 1);
}
static void flua_setup_mods (lua_State *L) {
const luaL_Reg **flib;
SET_FOREACH(flib, FLUA_MODULE_SETNAME) {
luaL_requiref(L, (*flib)->name, (*flib)->func, 1);
lua_pop(L, 1); /* remove lib */
}
};
#endif
LUALIB_API void luaL_openlibs (lua_State *L) {
const luaL_Reg *lib;
/* "require" functions from 'loadedlibs' and set results to global table */
for (lib = loadedlibs; lib->func; lib++) {
luaL_requiref(L, lib->name, lib->func, 1);
lua_pop(L, 1); /* remove lib */
}
#ifdef BOOTSTRAPPING
flua_setup_mods(L);
#endif
}
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