diff options
Diffstat (limited to 'libguile/filesys.h')
-rw-r--r-- | libguile/filesys.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libguile/filesys.h b/libguile/filesys.h index 294cc2368..c503f4fea 100644 --- a/libguile/filesys.h +++ b/libguile/filesys.h @@ -42,6 +42,9 @@ * 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 <stdio.h> @@ -50,8 +53,8 @@ extern long scm_tc16_dir; -#define SCM_DIRP(x) (SCM_TYP16(x)==(scm_tc16_dir)) -#define SCM_OPDIRP(x) (SCM_CAR(x)==(scm_tc16_dir | SCM_OPN)) +#define SCM_DIRP(x) (SCM_NIMP(x) && (SCM_TYP16(x)==(scm_tc16_dir))) +#define SCM_OPDIRP(x) (SCM_NIMP(x) && (SCM_CAR(x)==(scm_tc16_dir | SCM_OPN))) extern SCM scm_chown SCM_P ((SCM object, SCM owner, SCM group)); |