definition for LUA_UNSIGNEDBITS (number of bits in a LUA_UNSIGNED)
diff --git a/luaconf.h b/luaconf.h
index 144f51b..1f9d5f3 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -1,5 +1,5 @@
/*
-** $Id: luaconf.h,v 1.266 2018/03/02 18:31:51 roberto Exp roberto $
+** $Id: luaconf.h,v 1.267 2018/03/09 14:56:02 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@@ -447,6 +447,7 @@
@@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
@@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
@@ LUA_MAXUNSIGNED is the maximum value for a LUA_UNSIGNED.
+@@ LUA_UNSIGNEDBITS is the number of bits in a LUA_UNSIGNED.
@@ lua_integer2str converts an integer to a string.
*/
@@ -468,6 +469,8 @@
#define LUA_MAXUNSIGNED (~(lua_Unsigned)0)
+#define LUA_UNSIGNEDBITS (sizeof(LUA_UNSIGNED) * CHAR_BIT)
+
/* now the variable definitions */
