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 */ 44 static 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.unistd", luaopen_posix_unistd}, 61 {NULL, NULL} 62 }; 63 64 65 LUALIB_API void luaL_openlibs (lua_State *L) { 66 const luaL_Reg *lib; 67 /* "require" functions from 'loadedlibs' and set results to global table */ 68 for (lib = loadedlibs; lib->func; lib++) { 69 luaL_requiref(L, lib->name, lib->func, 1); 70 lua_pop(L, 1); /* remove lib */ 71 } 72 } 73 74