opkg: introduce the protype of active_list

     This can be used for upgrade path



git-svn-id: http://opkg.googlecode.com/svn/trunk@166 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 36 insertions, 0 deletions

diff --git a/libopkg/active_list.h b/libopkg/active_list.h
new file mode 100644
index 0000000..6744234
--- /dev/null
+++ b/libopkg/active_list.h
@@ -0,0 +1,36 @@
+/* active_list.h - the opkg package management system
+
+   Tick Chen <tick@openmoko.com>
+
+   Copyright (C) 2008 Openmoko Inc. 
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+*/
+
+#ifndef ACTIVE_LIST_H
+#define ACTIVE_LIST_H
+
+#include "list.h"
+
+struct active_list {
+    struct list_head node;
+    struct list_head depend;
+    char walked;
+    struct active_list *depended;
+}  __attribute__((packed));
+
+struct active_list * active_list_next(struct active_list *head, struct active_list *ptr);
+void active_list_init(struct active_list *ptr);
+void active_list_clear(struct active_list *head);
+void active_list_add_depend(struct active_list *node, struct active_list *depend);
+void active_list_add(struct active_list *head, struct active_list *node);
+
+#endif