1 files changed, 18 insertions, 3 deletions
diff --git a/src/idxset.c b/src/idxset.c
index 4442190d..ea609f60 100644
--- a/src/idxset.c
+++ b/src/idxset.c
@@ -291,9 +291,7 @@ void* idxset_rrobin(struct idxset *s, uint32_t *index) {
     if (!e)
         return NULL;
     
-    if (index)
-        *index = e->index;
-
+    *index = e->index;
     return e->data;
 }
 
@@ -308,6 +306,22 @@ void* idxset_first(struct idxset *s, uint32_t *index) {
     return s->iterate_list_head->data;
 }
 
+void *idxset_next(struct idxset *s, uint32_t *index) {
+    struct idxset_entry **a, *e = NULL;
+    assert(s && index);
+
+    if ((a = array_index(s, *index)) && *a)
+        e = (*a)->iterate_next;
+    
+    if (e) {
+        *index = e->index;
+        return e->data;
+    } else {
+        *index = IDXSET_INVALID;
+        return NULL;
+    }
+}
+
 
 int idxset_foreach(struct idxset*s, int (*func)(void *p, uint32_t index, int *del, void*userdata), void *userdata) {
     struct idxset_entry *e;
@@ -341,3 +355,4 @@ int idxset_isempty(struct idxset *s) {
     assert(s);
     return s->n_entries == 0;
 }
+