From 43e56dfed6deda657150c33cbaea700c60543cd0 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Mon, 23 Oct 2017 22:49:42 -0400
Subject: MqTree: Add foreach debugging output

---
(limited to 'src')

diff --git a/src/tree.c b/src/tree.c
index 2a146f3..0034d09 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -58,9 +58,23 @@ print_tree(MqTree *node)
 	print_tree_recurse(node, 0);
 }
 
+static void
+print_node(MqTree *node)
+{
+	g_print("\t0x%" PRIxPTR "\n", (uintptr_t) node);
+}
+
+static void
+print_head(const gchar *head, MqTree *node)
+{
+	g_print("%s, at 0x%" PRIxPTR "\n", head, (uintptr_t) node);
+}
+
 #else  /* MQ_TREE_DEBUG */
 
 #define print_tree(node)
+#define print_node(node)
+#define print_head(head, node)
 
 #endif  /* MQ_TREE_DEBUG */
 
@@ -205,6 +219,7 @@ foreach(MqTree *node, gboolean (*cb)(MqTree *node, gpointer user_data),
 {
 	for (; node; node = node->next) {
 		/* XXX: Warning: Does not skip root node */
+		print_node(node);
 		if (cb(node, user_data) == MQ_TREE_STOP) {
 			return MQ_TREE_STOP;
 		}
@@ -224,6 +239,8 @@ void
 mq_tree_foreach(MqTree *node, gboolean (*cb)(MqTree *node, gpointer user_data),
 	gpointer user_data)
 {
+	print_head("foreach", node);
+
 	foreach(node->root->first_child, cb, user_data);
 }
 
@@ -232,6 +249,7 @@ foreach_from(MqTree *node, gboolean (*cb)(MqTree *node, gpointer user_data),
 	gpointer user_data)
 {
 	for (; node; node = node->next) {
+		print_node(node);
 		if (cb(node, user_data) == MQ_TREE_STOP) {
 			return MQ_TREE_STOP;
 		}
@@ -256,5 +274,7 @@ void
 mq_tree_foreach_from(MqTree *node,
 	gboolean (*cb)(MqTree *node, gpointer user_data), gpointer user_data)
 {
+	print_head("foreach from", node);
+
 	foreach_from(node, cb, user_data);
 }
--
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