Merge branch 'master' into 1.1

[tinc] / src / list.c

diff --git a/src/list.c b/src/list.c
index a26c58d..9b67791 100644 (file)
--- a/src/list.c
+++ b/src/list.c
@@ -91,6 +91,46 @@ list_node_t *list_insert_tail(list_t *list, void *data) {
        return node;
 }
 
+list_node_t *list_insert_after(list_t *list, list_node_t *after, void *data) {
+       list_node_t *node;
+
+       node = list_alloc_node();
+
+       node->data = data;
+       node->next = after->next;
+       node->prev = after;
+       after->next = node;
+
+       if(node->next)
+               node->next->prev = node;
+       else
+               list->tail = node;
+
+       list->count++;
+
+       return node;
+}
+
+list_node_t *list_insert_before(list_t *list, list_node_t *before, void *data) {
+       list_node_t *node;
+
+       node = list_alloc_node();
+
+       node->data = data;
+       node->next = before;
+       node->prev = before->prev;
+       before->prev = node;
+
+       if(node->prev)
+               node->prev->next = node;
+       else
+               list->head = node;
+
+       list->count++;
+
+       return node;
+}
+
 void list_unlink_node(list_t *list, list_node_t *node) {
        if(node->prev)
                node->prev->next = node->next;