X-Git-Url: http://the.earth.li/gitweb/?a=blobdiff_plain;f=ll.c;h=debf52b278759d9702f6cad1b729a6931f8bac08;hb=32851537d44f08b08ed317cbc4281ce003f84fa4;hp=71103786483d2bfc1fb7eeaf8879b9b894f06ea1;hpb=e02c731dfbb288c736f2cd09a9b6df0507c59ddd;p=onak.git

diff --git a/ll.c b/ll.c
index 7110378..debf52b 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 1.4 2003/06/04 20:57:10 noodles Exp $
  */
 
 #include <assert.h>
@@ -81,3 +83,29 @@ 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.
+ */
+struct ll *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 NULL;
+}