'IntPoint' -> 'point2int' + ensure that casted value fits in

destination type
This commit is contained in:
Roberto Ierusalimschy
2014-06-26 13:17:35 -03:00
parent 54ac5960a8
commit c94f11d783
2 changed files with 5 additions and 5 deletions

View File

@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.115 2014/04/15 14:28:20 roberto Exp roberto $
** $Id: llimits.h,v 1.116 2014/04/15 16:32:49 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -44,11 +44,11 @@ typedef unsigned char lu_byte;
/*
** conversion of pointer to integer
** conversion of pointer to integer:
** this is for hashing only; there is no problem if the integer
** cannot hold the whole pointer value
*/
#define IntPoint(p) ((unsigned int)(lu_mem)(p))
#define point2int(p) ((unsigned int)((lu_mem)(p) & UINT_MAX))