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author | Greg J. Badros <gjb@cs.washington.edu> | 1999-12-16 03:46:42 +0000 |
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committer | Greg J. Badros <gjb@cs.washington.edu> | 1999-12-16 03:46:42 +0000 |
commit | d3a6bc94840464e1af8109de5dddd5859560c679 (patch) | |
tree | 87475ee6d125df4493b89e5e6a9a13933c8ab356 /libguile/feature.h | |
parent | f353a9e2323b3957cd8475bcf10f7b489a8ce000 (diff) | |
download | guile-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/feature.h')
-rw-r--r-- | libguile/feature.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libguile/feature.h b/libguile/feature.h index aa61c740f..8ba59891b 100644 --- a/libguile/feature.h +++ b/libguile/feature.h @@ -42,11 +42,14 @@ * If you write modifications of your own for GUILE, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. */ + +/* 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" -#define SCM_HOOKP(x) (SCM_TYP16 (x) == scm_tc16_hook) +#define SCM_HOOKP(x) (SCM_NIMP(x) && (SCM_TYP16 (x) == scm_tc16_hook)) #define SCM_HOOK_ARITY(hook) (SCM_CAR (hook) >> 16) #define SCM_HOOK_NAME(hook) SCM_CADR (hook) #define SCM_HOOK_PROCEDURES(hook) SCM_CDDR (hook) |