From d738c8d18bcc5651109b3a46103d6aa983772e68 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 7 Dec 2022 15:12:52 -0300
Subject: New function 'luaL_openselectedlibs'

Makes it easier to start Lua with only some standard libraries.
---
 lualib.h | 39 ++++++++++++++++++++++++++-------------
 1 file changed, 26 insertions(+), 13 deletions(-)

(limited to 'lualib.h')

diff --git a/lualib.h b/lualib.h
index 26255290..e124cf1b 100644
--- a/lualib.h
+++ b/lualib.h
@@ -14,39 +14,52 @@
 /* version suffix for environment variable names */
 #define LUA_VERSUFFIX          "_" LUA_VERSION_MAJOR "_" LUA_VERSION_MINOR
 
-
+#define LUA_GK		1
 LUAMOD_API int (luaopen_base) (lua_State *L);
 
+#define LUA_LOADLIBNAME	"package"
+#define LUA_LOADLIBK	(LUA_GK << 1)
+LUAMOD_API int (luaopen_package) (lua_State *L);
+
+
 #define LUA_COLIBNAME	"coroutine"
+#define LUA_COLIBK	(LUA_LOADLIBK << 1)
 LUAMOD_API int (luaopen_coroutine) (lua_State *L);
 
-#define LUA_TABLIBNAME	"table"
-LUAMOD_API int (luaopen_table) (lua_State *L);
+#define LUA_DBLIBNAME	"debug"
+#define LUA_DBLIBK	(LUA_COLIBK << 1)
+LUAMOD_API int (luaopen_debug) (lua_State *L);
 
 #define LUA_IOLIBNAME	"io"
+#define LUA_IOLIBK	(LUA_DBLIBK << 1)
 LUAMOD_API int (luaopen_io) (lua_State *L);
 
+#define LUA_MATHLIBNAME	"math"
+#define LUA_MATHLIBK	(LUA_IOLIBK << 1)
+LUAMOD_API int (luaopen_math) (lua_State *L);
+
 #define LUA_OSLIBNAME	"os"
+#define LUA_OSLIBK	(LUA_MATHLIBK << 1)
 LUAMOD_API int (luaopen_os) (lua_State *L);
 
 #define LUA_STRLIBNAME	"string"
+#define LUA_STRLIBK	(LUA_OSLIBK << 1)
 LUAMOD_API int (luaopen_string) (lua_State *L);
 
+#define LUA_TABLIBNAME	"table"
+#define LUA_TABLIBK	(LUA_STRLIBK << 1)
+LUAMOD_API int (luaopen_table) (lua_State *L);
+
 #define LUA_UTF8LIBNAME	"utf8"
+#define LUA_UTF8LIBK	(LUA_TABLIBK << 1)
 LUAMOD_API int (luaopen_utf8) (lua_State *L);
 
-#define LUA_MATHLIBNAME	"math"
-LUAMOD_API int (luaopen_math) (lua_State *L);
-
-#define LUA_DBLIBNAME	"debug"
-LUAMOD_API int (luaopen_debug) (lua_State *L);
-
-#define LUA_LOADLIBNAME	"package"
-LUAMOD_API int (luaopen_package) (lua_State *L);
 
+/* open selected libraries */
+LUALIB_API void (luaL_openselectedlibs) (lua_State *L, int what);
 
-/* open all previous libraries */
-LUALIB_API void (luaL_openlibs) (lua_State *L);
+/* open all libraries */
+#define luaL_openlibs(L)	luaL_openselectedlibs(L, ~0)
 
 
 #endif
-- 
cgit v1.2.3-55-g6feb