X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=lib%2Flist%2Flist.c;h=b781bc65ac4fb5d04e11979f8a4dfe10cb25690e;hp=d9bc5324f25a645223a496de0292188e02da7cb1;hb=1bb9ed4ffbbd1b186b30702d3c4104d5597d0888;hpb=08b9b747db92ce682e094ef86f48321d29fc44d6

diff --git a/lib/list/list.c b/lib/list/list.c
index d9bc532..b781bc6 100644
--- a/lib/list/list.c
+++ b/lib/list/list.c
@@ -7,13 +7,20 @@ void list_init(struct list *list)
 	list->head.prev = &list->head;
 }
 
-void list_add(struct list *list, struct list_item *new)
+void list_insert_before(struct list_item *next, struct list_item *new)
 {
-	new->next = list->head.next;
-	new->prev = &list->head;
+	new->next = next;
+	new->prev = next->prev;
+	next->prev->next = new;
+	next->prev = new;
+}
 
-	list->head.next->prev = new;
-	list->head.next = new;
+void list_insert_after(struct list_item *prev, struct list_item *new)
+{
+	new->next = prev->next;
+	new->prev = prev;
+	prev->next->prev = new;
+	prev->next = new;
 }
 
 void list_remove(struct list_item *item)
@@ -21,4 +28,3 @@ void list_remove(struct list_item *item)
 	item->next->prev = item->prev;
 	item->prev->next = item->next;
 }
-