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authorGreg J. Badros <gjb@cs.washington.edu>2000-03-09 18:58:58 +0000
committerGreg J. Badros <gjb@cs.washington.edu>2000-03-09 18:58:58 +0000
commitc209c88e54d08a557a297836200e16e20355df02 (patch)
treedce0d672bc0a63be5f658c65269c9a4144da1c67 /libguile/gc.h
parentdf8bb2dc3988d24c0f64bd2cc5fa01a31825d11a (diff)
downloadguile-c209c88e54d08a557a297836200e16e20355df02.tar.gz
*.[ch]: make a distinction between SCM as a generic
name for a Scheme object (now a void*), and SCM as 32 bit word for storing tags and immediates (now a long int). Introduced SCM_ASWORD and SCM_ASSCM for conversion. Fixed various dubious code in the process: arbiter.c (use macros), unif.c (scm_array_p),
Diffstat (limited to 'libguile/gc.h')
-rw-r--r--libguile/gc.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/libguile/gc.h b/libguile/gc.h
index c06526b02..d971caa89 100644
--- a/libguile/gc.h
+++ b/libguile/gc.h
@@ -50,12 +50,12 @@
#include "libguile/__scm.h"
-#define SCM_FREEP(x) (SCM_NIMP(x) && SCM_CAR(x)==scm_tc_free_cell)
+#define SCM_FREEP(x) (SCM_NIMP(x) && SCM_CARW (x)==scm_tc_free_cell)
#define SCM_NFREEP(x) (!SCM_FREEP(x))
/* 1. This shouldn't be used on immediates.
2. It thinks that subrs are always unmarked (harmless). */
-#define SCM_MARKEDP(x) ((SCM_CAR(x) & 5) == 5 \
+#define SCM_MARKEDP(x) ((SCM_CARW (x) & 5) == 5 \
? SCM_GC8MARKP(x) \
: SCM_GCMARKP(x))
#define SCM_NMARKEDP(x) (!SCM_MARKEDP(x))