c/lua:extraspace

c/lua/luaconf.go

@@ -1,5 +1,7 @@
 package lua
 
+import "unsafe"
+
 /*
 ** {==================================================================
 ** Macros that affect the API and must be stable (that is, must be the
@@ -20,6 +22,15 @@ const (
 	MAXSTACK = 1000000
 )
 
+/*
+@@ LUA_EXTRASPACE defines the size of a raw memory area associated with
+** a Lua state with very fast access.
+** CHANGE it if you need a different size.
+*/
+const (
+	EXTRASPACE = unsafe.Sizeof(uintptr(0))
+)
+
 /*
 @@ LUA_IDSIZE gives the maximum size for the description of the source
 ** of a function in debug information.