drop module 'package'

Just like with `require`, we don't we don't know how to sandbox it.

(Though we still have `require` because standard libraries outside apps
need it. I need to make sure apps can't invoke `require`..)

src/linit.c

@@ -16,7 +16,6 @@
 
 static const luaL_Reg lualibs[] = {
   {"", luaopen_base},
-  {LUA_LOADLIBNAME, luaopen_package},
   {LUA_TABLIBNAME, luaopen_table},
   {LUA_IOLIBNAME, luaopen_io},
   {LUA_OSLIBNAME, luaopen_os},

src/loadlib.c

@@ -306,22 +306,6 @@ static int ll_loadfunc (lua_State *L, const char *path, const char *sym) {
 }
 
 
-static int ll_loadlib (lua_State *L) {
-  const char *path = luaL_checkstring(L, 1);
-  const char *init = luaL_checkstring(L, 2);
-  int stat = ll_loadfunc(L, path, init);
-  if (stat == 0)  /* no errors? */
-    return 1;  /* return the loaded function */
-  else {  /* error; error message is on stack top */
-    lua_pushnil(L);
-    lua_insert(L, -2);
-    lua_pushstring(L, (stat == ERRLIB) ?  LIB_FAIL : "init");
-    return 3;  /* return nil, error message, and where */
-  }
-}
-
-
-
 /*
 ** {======================================================
 ** 'require' function
@@ -569,19 +553,6 @@ static int ll_module (lua_State *L) {
 }
 
 
-static int ll_seeall (lua_State *L) {
-  luaL_checktype(L, 1, LUA_TTABLE);
-  if (!lua_getmetatable(L, 1)) {
-    lua_createtable(L, 0, 1); /* create new metatable */
-    lua_pushvalue(L, -1);
-    lua_setmetatable(L, 1);
-  }
-  lua_pushvalue(L, LUA_GLOBALSINDEX);
-  lua_setfield(L, -2, "__index");  /* mt.__index = _G */
-  return 0;
-}
-
-
 /* }====================================================== */
 
 
@@ -606,13 +577,6 @@ static void setpath (lua_State *L, const char *fieldname, const char *envname,
 }
 
 
-static const luaL_Reg pk_funcs[] = {
-  {"loadlib", ll_loadlib},
-  {"seeall", ll_seeall},
-  {NULL, NULL}
-};
-
-
 static const luaL_Reg ll_funcs[] = {
   {"module", ll_module},
   {"require", ll_require},
@@ -630,8 +594,6 @@ LUALIB_API int luaopen_package (lua_State *L) {
   luaL_newmetatable(L, "_LOADLIB");
   lua_pushcfunction(L, gctm);
   lua_setfield(L, -2, "__gc");
-  /* create `package' table */
-  luaL_register(L, LUA_LOADLIBNAME, pk_funcs);
 #if defined(LUA_COMPAT_LOADLIB) 
   lua_getfield(L, -1, "loadlib");
   lua_setfield(L, LUA_GLOBALSINDEX, "loadlib");

src/luaconf.h

@@ -267,13 +267,6 @@
 */
 #undef LUA_COMPAT_GETN
 
-/*
-@@ LUA_COMPAT_LOADLIB controls compatibility about global loadlib.
-** CHANGE it to undefined as soon as you do not need a global 'loadlib'
-** function (the function is still available as 'package.loadlib').
-*/
-#undef LUA_COMPAT_LOADLIB
-
 /*
 @@ LUA_COMPAT_VARARG controls compatibility with old vararg feature.
 ** CHANGE it to undefined as soon as your programs use only '...' to

src/lualib.h

@@ -60,9 +60,6 @@ LUALIB_API int (luaopen_ssl_config) (lua_State *L);
 #define LUA_DBLIBNAME	"debug"
 LUALIB_API int (luaopen_debug) (lua_State *L);
 
-#define LUA_LOADLIBNAME	"package"
-LUALIB_API int (luaopen_package) (lua_State *L);
-
 
 /* open all previous libraries */
 LUALIB_API void (luaL_openlibs) (lua_State *L);