1/* 2** $Id: linit.c,v 1.32 2011/04/08 19:17:36 roberto Exp $ 3** Initialization of libraries for lua.c and other clients 4** See Copyright Notice in lua.h 5*/ 6 7 8/* 9** If you embed Lua in your program and need to open the standard 10** libraries, call luaL_openlibs in your program. If you need a 11** different set of libraries, copy this file to your project and edit 12** it to suit your needs. 13*/ 14 15 16#define linit_c 17#define LUA_LIB 18 19#include "lua.h" 20 21#include "lualib.h" 22#include "lauxlib.h" 23 24 25/* 26** these libs are loaded by lua.c and are readily available to any Lua 27** program 28*/ 29static const luaL_Reg loadedlibs[] = { 30 {"_G", luaopen_base}, 31 {LUA_LOADLIBNAME, luaopen_package}, 32 {LUA_COLIBNAME, luaopen_coroutine}, 33 {LUA_TABLIBNAME, luaopen_table}, 34 {LUA_IOLIBNAME, luaopen_io}, 35 {LUA_OSLIBNAME, luaopen_os}, 36 {LUA_STRLIBNAME, luaopen_string}, 37 {LUA_BITLIBNAME, luaopen_bit32}, 38 {LUA_MATHLIBNAME, luaopen_math}, 39 {LUA_DBLIBNAME, luaopen_debug}, 40 {NULL, NULL} 41}; 42 43 44/* 45** these libs are preloaded and must be required before used 46*/ 47static const luaL_Reg preloadedlibs[] = { 48 {NULL, NULL} 49}; 50 51 52LUALIB_API void luaL_openlibs (lua_State *L) { 53 const luaL_Reg *lib; 54 /* call open functions from 'loadedlibs' and set results to global table */ 55 for (lib = loadedlibs; lib->func; lib++) { 56 luaL_requiref(L, lib->name, lib->func, 1); 57 lua_pop(L, 1); /* remove lib */ 58 } 59 /* add open functions from 'preloadedlibs' into 'package.preload' table */ 60 luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD"); 61 for (lib = preloadedlibs; lib->func; lib++) { 62 lua_pushcfunction(L, lib->func); 63 lua_setfield(L, -2, lib->name); 64 } 65 lua_pop(L, 1); /* remove _PRELOAD table */ 66} 67 68