ceph/src/civetweb/src/third_party/lua-5.3.1/src/linit.c

   1 /*
   2 ** $Id: linit.c,v 1.38 2015/01/05 13:48:33 roberto Exp $
   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, "_PRELOAD");
  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 */
  42 static const luaL_Reg loadedlibs[] = {
  43   {"_G", 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 #if defined(LUA_COMPAT_BITLIB)
  54   {LUA_BITLIBNAME, luaopen_bit32},
  55 #endif
  56   {NULL, NULL}
  57 };
  58
  59
  60 LUALIB_API void luaL_openlibs (lua_State *L) {
  61   const luaL_Reg *lib;
  62   /* "require" functions from 'loadedlibs' and set results to global table */
  63   for (lib = loadedlibs; lib->func; lib++) {
  64     luaL_requiref(L, lib->name, lib->func, 1);
  65     lua_pop(L, 1);  /* remove lib */
  66   }
  67 }
  68