lib: const a couple linklist apis

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

diff --git a/lib/linklist.c b/lib/linklist.c
index e8ba9edc128473a18ff9bca2dd6b7a46fd8655f8..0d1efdf3aa1f363147e3ed6e21533bff435d4f45 100644 (file)
--- a/lib/linklist.c
+++ b/lib/linklist.c
@@ -246,7 +246,7 @@ void listnode_move_to_tail(struct list *l, struct listnode *n)
        LISTNODE_ATTACH(l, n);
 }
 
-void listnode_delete(struct list *list, void *val)
+void listnode_delete(struct list *list, const void *val)
 {
        struct listnode *node = listnode_lookup(list, val);
 
@@ -307,7 +307,7 @@ void list_delete(struct list **list)
        *list = NULL;
 }
 
-struct listnode *listnode_lookup(struct list *list, void *data)
+struct listnode *listnode_lookup(struct list *list, const void *data)
 {
        struct listnode *node;
 

diff --git a/lib/linklist.h b/lib/linklist.h
index da42aa268827d275a0f215368df081f9a997d761..d23d425d627fee83ac5e61cf036417c811f2dd90 100644 (file)
--- a/lib/linklist.h
+++ b/lib/linklist.h
@@ -180,7 +180,7 @@ extern void listnode_move_to_tail(struct list *list, struct listnode *node);
  * data
  *    data to insert into list
  */
-extern void listnode_delete(struct list *list, void *data);
+extern void listnode_delete(struct list *list, const void *data);
 
 /*
  * Find the listnode corresponding to an element in a list.
@@ -194,7 +194,7 @@ extern void listnode_delete(struct list *list, void *data);
  * Returns:
  *    pointer to listnode storing the given data if found, NULL otherwise
  */
-extern struct listnode *listnode_lookup(struct list *list, void *data);
+extern struct listnode *listnode_lookup(struct list *list, const void *data);
 
 /*
  * Retrieve the element at the head of a list.