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