plist: update API

3 files changed, 15 insertions, 6 deletions

diff --git a/plist.c b/plist.c
index 4da76d1..501310d 100644
--- a/plist.c
+++ b/plist.c
@@ -31,12 +31,10 @@
 #include "plist.h"
 
 void
-plist_add(struct plist *plist, struct plist_node *pnode, unsigned int priority)
+plist_add(struct plist *plist, struct plist_node *pnode)
 {
     struct plist_node *next;
 
-    pnode->priority = priority;
-
     if (plist_empty(plist)) {
         list_insert_head(&plist->list, &pnode->node);
         list_insert_head(&plist->prio_list, &pnode->prio_node);
diff --git a/plist.h b/plist.h
index 3839e4a..c6f93c1 100644
--- a/plist.h
+++ b/plist.h
@@ -99,6 +99,15 @@ plist_node_init(struct plist_node *pnode, unsigned int priority)
 }
 
 /*
+ * Return the priority associated with a node.
+ */
+static inline unsigned int
+plist_node_priority(const struct plist_node *pnode)
+{
+    return pnode->priority;
+}
+
+/*
  * Return true if pnode is in no priority lists.
  */
 static inline bool
@@ -203,9 +212,10 @@ plist_singular(const struct plist *plist)
 
 /*
  * Add a node to a priority list.
+ *
+ * The node must be initialized before calling this function.
  */
-void plist_add(struct plist *plist, struct plist_node *pnode,
-               unsigned int priority);
+void plist_add(struct plist *plist, struct plist_node *pnode);
 
 /*
  * Remove a node from a priority list.
diff --git a/test/test_plist.c b/test/test_plist.c
index 94a27d6..672ee69 100644
--- a/test/test_plist.c
+++ b/test/test_plist.c
@@ -57,8 +57,9 @@ add_obj(struct plist *list, unsigned int priority)
     }
 
     obj->priority = priority;
+    plist_node_init(&obj->node, priority);
     printf("add: %p:%u\n", obj, obj->priority);
-    plist_add(list, &obj->node, priority);
+    plist_add(list, &obj->node);
     return obj;
 }