diff options
Diffstat (limited to 'libguile/weaks.h')
-rw-r--r-- | libguile/weaks.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libguile/weaks.h b/libguile/weaks.h index 5cb8bc388..fc16f8bf8 100644 --- a/libguile/weaks.h +++ b/libguile/weaks.h @@ -3,7 +3,7 @@ #ifndef SCM_WEAKS_H #define SCM_WEAKS_H -/* Copyright (C) 1995,1996,2000,2001, 2003, 2006, 2008, 2009 Free Software Foundation, Inc. +/* Copyright (C) 1995,1996,2000,2001, 2003, 2006, 2008, 2009, 2011 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -50,7 +50,7 @@ SCM_INTERNAL SCM scm_doubly_weak_pair (SCM car, SCM cdr); /* Testing the weak component(s) of a cell for reachability. */ #define SCM_WEAK_PAIR_WORD_DELETED_P(_cell, _word) \ - (SCM_CELL_OBJECT ((_cell), (_word)) == SCM_PACK (NULL)) + (SCM_UNPACK (SCM_CELL_OBJECT ((_cell), (_word))) == 0) #define SCM_WEAK_PAIR_CAR_DELETED_P(_cell) \ (SCM_WEAK_PAIR_WORD_DELETED_P ((_cell), 0)) #define SCM_WEAK_PAIR_CDR_DELETED_P(_cell) \ |