lua

commit 8d50a998e381a444829effd5437d52e8ae6c7ee5
parent bdd10a08b179d9825c1862ff8ac94cb62799e19f
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Mon,  2 Apr 2018 10:58:06 -0300

definition for LUA_UNSIGNEDBITS (number of bits in a LUA_UNSIGNED)

Diffstat:
M
luaconf.h
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git 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 */