From: Mike D. Lowis <mike@mdlowis.com>
Date: Fri, 3 Jun 2011 16:38:56 +0000 (-0400)
Subject: Fixed bug in LL_Get and added LL_Length function
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=1681e5b27373c2a7d3d373e39f3867618853b447;p=projs%2Flibcds.git

Fixed bug in LL_Get and added LL_Length function
---

diff --git a/src/linked_list/linked_list.c b/src/linked_list/linked_list.c
index 3cab7bb..a0df8ac 100644
--- a/src/linked_list/linked_list.c
+++ b/src/linked_list/linked_list.c
@@ -43,7 +43,7 @@ LinkedList_T* LL_Get( LinkedList_T* list, int index )
 	int current = 0;
 	LinkedList_T* node = list;
 	LinkedList_T* indexed_node = NULL;
-	while ((node != NULL) && (node->next != NULL))
+	while ((node != NULL))
 	{
 		if ( current == index )
 		{
@@ -106,3 +106,14 @@ void LL_Free( LinkedList_T* list, BOOL free_contents)
 	}
 }
 
+U32 LL_Length(LinkedList_T* list)
+{
+	U32 length = 0;
+	LinkedList_T* item = list;
+	for ( item = list; item != NULL; item = item->next )
+	{
+		length++;	
+	}
+	return length;
+}
+
diff --git a/src/linked_list/linked_list.h b/src/linked_list/linked_list.h
index 881b1aa..551a1da 100644
--- a/src/linked_list/linked_list.h
+++ b/src/linked_list/linked_list.h
@@ -104,6 +104,16 @@ void LL_Delete( LinkedList_T* list, int index, BOOL free_contents);
  * */
 void LL_Free( LinkedList_T* list, BOOL free_contents);
 
-#define LL_FOREACH(item,list) for( item = list; item != NULL; item = item->next )
+/**
+ * @brief Returns the number of elements in the list.
+ * 
+ * Loops through the supplied list and returns a count of the number of elements
+ * contained in the list.
+ *
+ * @param list        The list to be counted.
+ *
+ * @return The number of elements in the list.
+ **/
+U32 LL_Length(LinkedList_T* list);
 
 #endif