commit 11e762dbcd5400b2d53af51cd21ac681f25b9585
parent 5c9cb5f0b108435204d03f5b282dff8a18665b4b
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 26 Feb 2014 09:38:18 -0300
added macro MAX_UINTEGER
Diffstat:
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/llimits.h b/llimits.h
@@ -1,5 +1,5 @@
/*
-** $Id: llimits.h,v 1.108 2013/06/19 14:27:00 roberto Exp roberto $
+** $Id: llimits.h,v 1.109 2013/08/21 19:02:30 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -43,11 +43,13 @@ typedef unsigned char lu_byte;
#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
+/* maximum value for a lua_Unsigned */
+#define MAX_UINTEGER (~(lua_Unsigned)0)
+
/* minimum and maximum values for lua_Integer */
-#define MAX_INTEGER ((lua_Integer)(~(lua_Unsigned)0 >> 1))
+#define MAX_INTEGER ((lua_Integer)(MAX_UINTEGER >> 1))
#define MIN_INTEGER (~MAX_INTEGER)
-
/*
** conversion of pointer to integer
** this is for hashing only; there is no problem if the integer