1/* $FreeBSD$ */ 2/* 3** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $ 4** Initialization of libraries for lua.c and other clients 5** See Copyright Notice in lua.h 6*/ 7 8 9#define linit_c 10#define LUA_LIB 11 12/* 13** If you embed Lua in your program and need to open the standard 14** libraries, call luaL_openlibs in your program. If you need a 15** different set of libraries, copy this file to your project and edit 16** it to suit your needs. 17** 18** You can also *preload* libraries, so that a later 'require' can 19** open the library, which is already linked to the application. 20** For that, do the following code: 21** 22** luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE); 23** lua_pushcfunction(L, luaopen_modname); 24** lua_setfield(L, -2, modname); 25** lua_pop(L, 1); // remove PRELOAD table 26*/ 27 28#include "lprefix.h" 29 30 31#include <stddef.h> 32 33#include "lua.h" 34 35#include "lualib.h" 36#include "lauxlib.h" 37#include "lfs.h" 38#include "lposix.h" 39 40/* 41** these libs are loaded by lua.c and are readily available to any Lua 42** program 43*/ 44static const luaL_Reg loadedlibs[] = { 45 {"_G", luaopen_base}, 46 {LUA_LOADLIBNAME, luaopen_package}, 47 {LUA_COLIBNAME, luaopen_coroutine}, 48 {LUA_TABLIBNAME, luaopen_table}, 49 {LUA_IOLIBNAME, luaopen_io}, 50 {LUA_OSLIBNAME, luaopen_os}, 51 {LUA_STRLIBNAME, luaopen_string}, 52 {LUA_MATHLIBNAME, luaopen_math}, 53 {LUA_UTF8LIBNAME, luaopen_utf8}, 54 {LUA_DBLIBNAME, luaopen_debug}, 55#if defined(LUA_COMPAT_BITLIB) 56 {LUA_BITLIBNAME, luaopen_bit32}, 57#endif 58 /* FreeBSD Extensions */ 59 {"lfs", luaopen_lfs}, 60 {"posix.sys.stat", luaopen_posix_sys_stat}, 61 {"posix.unistd", luaopen_posix_unistd}, 62 {NULL, NULL} 63}; 64 65 66LUALIB_API void luaL_openlibs (lua_State *L) { 67 const luaL_Reg *lib; 68 /* "require" functions from 'loadedlibs' and set results to global table */ 69 for (lib = loadedlibs; lib->func; lib++) { 70 luaL_requiref(L, lib->name, lib->func, 1); 71 lua_pop(L, 1); /* remove lib */ 72 } 73} 74 75