moved tree_* functions to tree.h/.c

1 files changed, 35 insertions, 0 deletions

diff --git a/src/tree.h b/src/tree.h
new file mode 100644
index 0000000..958b5ed
--- /dev/null
+++ b/src/tree.h
@@ -0,0 +1,35 @@
+/*
+ * tree.h
+ * (c) 2019 Jonas Gunz
+ * License: MIT
+ * */
+
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+
+struct tree_node {
+	char* key;
+	void* data;
+	struct tree_node* above;
+	struct tree_node* below;
+};
+
+int tree_insert	( struct tree_node** _root, char* _key, void* _data );
+
+int tree_balance( struct tree_node** _root );
+
+void* tree_get	( struct tree_node** _root, char* _query );
+
+int tree_destroy( struct tree_node** _root );
+
+/**
+ * ignore-case alphabetical string compare
+ * returns:
+ * 0  :: _1 == _2
+ * -1 :: _1 <  _2
+ * +1 :: _1 >  _2
+ * */
+int string_compare ( char* _1, char* _2 );
+