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authorGreg J. Badros <gjb@cs.washington.edu>1999-12-16 03:46:42 +0000
committerGreg J. Badros <gjb@cs.washington.edu>1999-12-16 03:46:42 +0000
commitd3a6bc94840464e1af8109de5dddd5859560c679 (patch)
tree87475ee6d125df4493b89e5e6a9a13933c8ab356 /libguile/stacks.h
parentf353a9e2323b3957cd8475bcf10f7b489a8ce000 (diff)
downloadguile-d3a6bc94840464e1af8109de5dddd5859560c679.tar.gz
* *.h: Use SCM_NIMP(X) && in all the FOOP macros.
* *.[ch]: Use do { ... } while (0) idiom in macros that expanded to a bare block.
Diffstat (limited to 'libguile/stacks.h')
-rw-r--r--libguile/stacks.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/libguile/stacks.h b/libguile/stacks.h
index f92fa9a94..246e15183 100644
--- a/libguile/stacks.h
+++ b/libguile/stacks.h
@@ -45,6 +45,9 @@
*
* The author can be reached at djurfeldt@nada.kth.se
* Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+ gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
#include "libguile/__scm.h"
@@ -72,11 +75,11 @@ typedef struct scm_stack {
extern SCM scm_stack_type;
-#define SCM_STACKP(obj) (SCM_STRUCTP (obj) && SCM_STRUCT_VTABLE (obj) == scm_stack_type)
+#define SCM_STACKP(obj) (SCM_NIMP(obj) && \
+ SCM_STRUCTP (obj) && SCM_STRUCT_VTABLE (obj) == scm_stack_type)
#define SCM_STACK_LENGTH(stack) (SCM_STACK (stack) -> length)
#define SCM_FRAMEP(obj) (SCM_CONSP (obj) \
- && SCM_NIMP (SCM_CAR (obj)) \
&& SCM_STACKP (SCM_CAR (obj)) \
&& SCM_INUMP (SCM_CDR (obj))) \