libcnary: return removed/detached index in node_list_remove/node_detach

2 files changed, 7 insertions, 4 deletions

diff --git a/libcnary/node.c b/libcnary/node.c
index 264c78e..0a8f414 100644
--- a/libcnary/node.c
+++ b/libcnary/node.c
@@ -95,11 +95,12 @@ int node_attach(node_t* parent, node_t* child) {
 }
 
 int node_detach(node_t* parent, node_t* child) {
-	if (!parent || !child) return 0;
-	if (node_list_remove(parent->children, child) == 0) {
+	if (!parent || !child) return -1;
+	int index = node_list_remove(parent->children, child);
+	if (index >= 0) {
 		parent->count--;
 	}
-	return 0;
+	return index;
 }
 
 int node_insert(node_t* parent, unsigned int index, node_t* child)
diff --git a/libcnary/node_list.c b/libcnary/node_list.c
index 78f450e..5b291e7 100644
--- a/libcnary/node_list.c
+++ b/libcnary/node_list.c
@@ -124,6 +124,7 @@ int node_list_remove(node_list_t* list, node_t* node) {
 	if (!list || !node) return -1;
 	if (list->count == 0) return -1;
 
+	int index = 0;
 	node_t* n;
 	for (n = list->begin; n; n = n->next) {
 		if (node == n) {
@@ -144,8 +145,9 @@ int node_list_remove(node_list_t* list, node_t* node) {
 				list->begin = newnode;
 			}
 			list->count--;
-			return 0;
+			return index;
 		}
+		index++;
 	}	
 	return -1;
 }