From 8bf49d16a637cca0cd116450dfcabc4c941baf6c Mon Sep 17 00:00:00 2001
From: ticktock35 <ticktock35@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Sun, 14 Dec 2008 23:10:56 -0500
Subject: * Add ipkg for future development

git-svn-id: http://opkg.googlecode.com/svn/trunk@3 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---
(limited to 'void_list.h')

diff --git a/void_list.h b/void_list.h
new file mode 100644
index 0000000..7642905
--- /dev/null
+++ b/void_list.h
@@ -0,0 +1,59 @@
+/* void_list.h - the itsy package management system
+
+   Carl D. Worth
+
+   Copyright (C) 2001 University of Southern California
+
+   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 VOID_LIST_H
+#define VOID_LIST_H
+
+typedef struct void_list_elt void_list_elt_t;
+struct void_list_elt
+{
+    void_list_elt_t *next;
+    void *data;
+};
+
+typedef struct void_list void_list_t;
+struct void_list
+{
+    void_list_elt_t pre_head;
+    void_list_elt_t *head;
+    void_list_elt_t *tail;
+};
+
+static inline int void_list_empty(void_list_t *list)
+{
+     if (list->head == NULL)
+	  return 1;
+     else
+	  return 0;
+}
+
+int void_list_elt_init(void_list_elt_t *elt, void *data);
+void void_list_elt_deinit(void_list_elt_t *elt);
+
+int void_list_init(void_list_t *list);
+void void_list_deinit(void_list_t *list);
+
+int void_list_append(void_list_t *list, void *data);
+int void_list_push(void_list_t *list, void *data);
+void_list_elt_t *void_list_pop(void_list_t *list);
+
+void *void_list_remove(void_list_t *list, void_list_elt_t **iter);
+/* remove element containing elt data, using cmp(elt->data, target_data) == 0. */
+typedef int (*void_list_cmp_t)(const void *, const void *);
+void *void_list_remove_elt(void_list_t *list, const void *target_data, void_list_cmp_t cmp);
+
+#endif
--
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