From a9022b5972dc49d86f617a27940fafe9c4d0e7e7 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Thu, 9 Jun 2011 13:46:28 +0000
Subject: Initial import of (very old) vidoom sources.

---
 list.h | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 list.h

(limited to 'list.h')

diff --git a/list.h b/list.h
new file mode 100644
index 0000000..f3c67ac
--- /dev/null
+++ b/list.h
@@ -0,0 +1,104 @@
+/*
+
+    viDOOM - level editor for DOOM
+
+    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    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 of the License, 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.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Provides a double-linked list
+
+    $Id$
+
+*/
+
+#ifndef VIDOOM_LIST_H
+
+#define VIDOOM_LIST_H
+
+/* Opaque types for the list and iterator.  NULL is the null list and iterator.
+*/
+struct VIDOOM_List;
+typedef struct VIDOOM_List *List;
+
+struct VIDOOM_Iterator;
+typedef struct VIDOOM_Iterator *Iterator;
+
+
+/* Create a list
+*/
+List		ListNew(int type_size);
+
+/* Free a list object
+*/
+List		ListClear(List l);
+
+/* Free all elements in a list
+*/
+List		ListEmpty(List l);
+
+/* Return number of elements in list
+*/
+int		ListSize(List l);
+
+/* Create an iterator over the list
+*/
+Iterator	ListIterator(List l);
+
+/* Destory an iterator
+*/
+Iterator	IteratorClear(Iterator i);
+
+/* Get data for pointed to by this iterator object
+*/
+void		*IteratorData(Iterator i);
+
+/* Move the iterator to the next element.  NULL once done.
+*/
+Iterator	IteratorNext(Iterator i);
+
+/* Move the iterator to the previous element.  NULL once done.
+*/
+Iterator	IteratorPrev(Iterator i);
+
+/* Replace the data currently stored in this this position with the new one
+*/
+Iterator	IteratorUpdate(Iterator i,void *data);
+
+/* Delete the data currently stored in this position and move the iterator to
+   the next element.
+*/
+Iterator	IteratorDelete(Iterator i);
+
+/* Append to the tail of the the list
+*/
+void		ListAppend(List l,void *data);
+
+/* Insert at the head of the the list
+*/
+void		ListInsert(List l,void *data);
+
+/* Return an iterator for the searched element.  Note the fist void* passed
+   to the predicate will be of the type stored in the lists.  The second
+   argument will be whatever was passed as data.
+*/
+Iterator	ListFindElem(List l,int (*pred)(void *, void *),void *data);
+
+#endif
+
+
+/* END OF FILE */
-- 
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