diff options
Diffstat (limited to 'libguile/foreign.c')
-rw-r--r-- | libguile/foreign.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libguile/foreign.c b/libguile/foreign.c index db8e13127..76e43f3ad 100644 --- a/libguile/foreign.c +++ b/libguile/foreign.c @@ -329,9 +329,15 @@ SCM_DEFINE (scm_dereference_pointer, "dereference-pointer", 1, 0, 0, "holds a pointer, return this pointer.") #define FUNC_NAME s_scm_dereference_pointer { + void **ptr; + SCM_VALIDATE_POINTER (1, pointer); - return scm_from_pointer (* (void **) SCM_POINTER_VALUE (pointer), NULL); + ptr = SCM_POINTER_VALUE (pointer); + if (SCM_UNLIKELY (ptr == NULL)) + null_pointer_error (FUNC_NAME); + + return scm_from_pointer (*ptr, NULL); } #undef FUNC_NAME |