diff options
Diffstat (limited to 'libguile/variable.h')
-rw-r--r-- | libguile/variable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/variable.h b/libguile/variable.h index 8d4abc028..a8e9efc18 100644 --- a/libguile/variable.h +++ b/libguile/variable.h @@ -56,7 +56,7 @@ extern int scm_tc16_variable; #define SCM_VARVCELL(V) SCM_CDR(V) -#define SCM_VARIABLEP(X) (SCM_NIMP(X) && (scm_tc16_variable == SCM_UNPACK_CAR(X))) +#define SCM_VARIABLEP(X) (!SCM_IMP (X) && SCM_CELL_TYPE (X) == scm_tc16_variable) #define SCM_UDVARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) #define SCM_DEFVARIABLEP(X) (SCM_VARIABLEP(X) && !SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) |