Fixed a bug in clist_insert_after() when list is empty.

2 files changed, 3 insertions, 1 deletions

diff --git a/stc/clist.h b/stc/clist.h
index 4ff9c114..67ed0586 100644
--- a/stc/clist.h
+++ b/stc/clist.h
@@ -237,7 +237,7 @@ STC_API size_t _clist_size(const clist_void* self);
     clist_##X##_insert_after(clist_##X* self, clist_##X##_iter_t pos, Value value) { \

         clist_##X##_node_t* node = pos.val ? _clist_node(X, pos.val) : NULL; \

         _c_clist_insert_after(self, X, node, value); \

-        if (node == self->last && pos._state == 0) self->last = entry; \

+        if (!node || node == self->last && pos._state == 0) self->last = entry; \

         pos.val = &entry->value, pos._state = 0; return pos; \

     } \

     STC_API clist_##X##_iter_t \

diff --git a/stc/cptr.h b/stc/cptr.h
index c3ab1f74..19543c96 100644
--- a/stc/cptr.h
+++ b/stc/cptr.h
@@ -149,6 +149,8 @@ typedef long atomic_count_t;
     }

 #endif

 

+#define csptr_pointer_compare(x, y) ((x)->get - (y)->get)

+

 #define using_csptr(...) c_MACRO_OVERLOAD(using_csptr, __VA_ARGS__)

 

 #define using_csptr_2(X, Value) \