1 files changed, 95 insertions, 0 deletions
diff --git a/libexec/flua/linit_flua.c b/libexec/flua/linit_flua.c
new file mode 100644
index 000000000000..65356c938671
--- /dev/null
+++ b/libexec/flua/linit_flua.c
@@ -0,0 +1,95 @@
+/*
+** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $
+** Initialization of libraries for lua.c and other clients
+** See Copyright Notice in lua.h
+*/
+
+
+#define linit_c
+#define LUA_LIB
+
+/*
+** If you embed Lua in your program and need to open the standard
+** libraries, call luaL_openlibs in your program. If you need a
+** different set of libraries, copy this file to your project and edit
+** it to suit your needs.
+**
+** You can also *preload* libraries, so that a later 'require' can
+** open the library, which is already linked to the application.
+** For that, do the following code:
+**
+**  luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
+**  lua_pushcfunction(L, luaopen_modname);
+**  lua_setfield(L, -2, modname);
+**  lua_pop(L, 1);  // remove PRELOAD table
+*/
+
+#include "lprefix.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "lua.h"
+
+#include "lualib.h"
+#include "lauxlib.h"
+#include "lposix.h"
+
+#include "bootstrap.h"
+
+/*
+** these libs are loaded by lua.c and are readily available to any Lua
+** program
+*/
+static const luaL_Reg loadedlibs[] = {
+  {"_G", luaopen_base},
+  {LUA_LOADLIBNAME, luaopen_package},
+  {LUA_COLIBNAME, luaopen_coroutine},
+  {LUA_TABLIBNAME, luaopen_table},
+  {LUA_IOLIBNAME, luaopen_io},
+  {LUA_OSLIBNAME, luaopen_os},
+  {LUA_STRLIBNAME, luaopen_string},
+  {LUA_MATHLIBNAME, luaopen_math},
+  {LUA_UTF8LIBNAME, luaopen_utf8},
+  {LUA_DBLIBNAME, luaopen_debug},
+#if defined(LUA_COMPAT_BITLIB)
+  {LUA_BITLIBNAME, luaopen_bit32},
+#endif
+  /* FreeBSD Extensions */
+  {"posix", luaopen_posix},
+  {NULL, NULL}
+};
+
+#ifdef BOOTSTRAPPING
+static void __attribute__((constructor)) flua_init_env(void) {
+  /*
+   * This happens in the middle of luaopen_package().  We could move it into
+   * flua_setup_mods(), but it seems better to avoid its timing being so
+   * important that it would break some of our bootstrap modules if someone
+   * were to reorder things.
+   */
+  if (getenv("LUA_PATH") == NULL)
+    setenv("LUA_PATH", BOOTSTRAP_FLUA_PATH, 1);
+}
+
+static void flua_setup_mods (lua_State *L) {
+  const luaL_Reg **flib;
+
+  SET_FOREACH(flib, FLUA_MODULE_SETNAME) {
+    luaL_requiref(L, (*flib)->name, (*flib)->func, 1);
+    lua_pop(L, 1);  /* remove lib */
+  }
+};
+#endif
+
+LUALIB_API void luaL_openlibs (lua_State *L) {
+  const luaL_Reg *lib;
+  /* "require" functions from 'loadedlibs' and set results to global table */
+  for (lib = loadedlibs; lib->func; lib++) {
+    luaL_requiref(L, lib->name, lib->func, 1);
+    lua_pop(L, 1);  /* remove lib */
+  }
+#ifdef BOOTSTRAPPING
+  flua_setup_mods(L);
+#endif
+}