libcnary: return removed/detached index in node_list_remove/node_detach

1 files changed, 4 insertions, 3 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)