X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/e02c731dfbb288c736f2cd09a9b6df0507c59ddd..9a96aa6edb1d8033124fe81b945c7e76f37d6087:/ll.c

diff --git a/ll.c b/ll.c
index 7110378..b823d23 100644
--- a/ll.c
+++ b/ll.c
@@ -4,6 +4,8 @@
  * Jonathan McDowell <noodles@earth.li>
  *
  * Copyright 2000-2002 Project Purple
+ *
+ * $Id: ll.c,v 1.5 2003/10/04 10:21:41 noodles Exp $
  */
 
 #include <assert.h>
@@ -81,3 +83,28 @@ unsigned long llsize(struct ll *curll)
 
 	return count;
 }
+
+/**
+ *	llfree - Frees a linked list.
+ *	@curll: The list to free.
+ *	@objectfree: A pointer to a free function for the object.
+ *
+ * 	Walks through a list and free it. If a function is provided for
+ * 	objectfree then it's called for each element to free them, if it's NULL
+ * 	just the list is freed.
+ */
+void llfree(struct ll *curll, void (*objectfree) (void *object))
+{
+	struct ll *nextll;
+
+	while (curll != NULL) {
+		nextll = curll->next;
+		if (curll->object != NULL && objectfree != NULL) {
+			objectfree(curll->object);
+			curll->object = NULL;
+		}
+		free(curll);
+		curll = nextll;
+	}
+	return;
+}