RTM Project

DLL/dll.h

@@ -0,0 +1,47 @@
+#ifndef DLL_H
+#define DLL_H
+	
+/*
+* Data Structure definations for
+* generic cicular doubly linked
+* list.
+*/
+
+typedef struct dll_node_ {
+
+	void* data;
+	struct dll_node_* next;
+	struct dll_node_* prev;
+
+}dll_node_t;
+
+typedef struct dll_ {
+	
+	dll_node_t* head;
+	dll_node_t* tail;
+
+}dll_t;
+
+/*
+* DLL API'S
+*/
+
+dll_t* init_dll();
+
+void append(dll_t* dll, void* data);
+
+void del(dll_t* dll, dll_node_t* node);
+
+void deinit_dll(dll_t* dll);
+
+#define ITERATE_DLL( dll, data_ptr, struct_type ) { \
+	dll_node_t* c_ptr = dll->head->next;    \
+	while( c_ptr != dll->head ){		\
+		struct_type* data_ptr = (struct_type* )c_ptr->data;	\
+		c_ptr = c_ptr->next;
+
+#define ITERATE_DLL_END() }
+
+
+
+#endif