Experiment with other type of iterator. Does not compile.

1 files changed, 3 insertions, 3 deletions

diff --git a/include/stc/cstack.h b/include/stc/cstack.h
index 46d209ca..3986e366 100644
--- a/include/stc/cstack.h
+++ b/include/stc/cstack.h
@@ -170,12 +170,12 @@ STC_INLINE i_keyraw _cx_memb(_value_toraw)(const _cx_value* val)
 #endif // !_i_no_clone
 
 STC_INLINE _cx_iter _cx_memb(_begin)(const _cx_self* self)
-    { return c_make(_cx_iter){(_cx_value*)self->data}; }
+    { return c_make(_cx_iter){self->size ? (_cx_value*)self->data : NULL, (_cx_value*)self->data + self->size}; }
 
 STC_INLINE _cx_iter _cx_memb(_end)(const _cx_self* self)
-    { return c_make(_cx_iter){(_cx_value*)self->data + self->size}; }
+    { return c_make(_cx_iter){NULL}; }
 
-STC_INLINE void _cx_memb(_next)(_cx_iter* it) { ++it->ref; }
+STC_INLINE void _cx_memb(_next)(_cx_iter* it) { if (++it->ref == it->_end) it->ref = NULL; }
 
 STC_INLINE _cx_iter _cx_memb(_advance)(_cx_iter it, intptr_t offs)
     { it.ref += offs; return it; }