From 6fbf66fad3367b24fd6743bcd50254902fd9c8d5 Mon Sep 17 00:00:00 2001 From: james Date: Mon, 26 Sep 2005 05:28:27 +0000 Subject: This is the start of the BETA21 branch. It includes the --topology feature, and TAP-Win32 driver changes to allow non-admin access. git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@580 e7ae566f-a301-0410-adde-c780ea21d3b5 --- circ_list.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 circ_list.h (limited to 'circ_list.h') diff --git a/circ_list.h b/circ_list.h new file mode 100644 index 0000000..3859199 --- /dev/null +++ b/circ_list.h @@ -0,0 +1,78 @@ +/* + * OpenVPN -- An application to securely tunnel IP networks + * over a single UDP port, with support for SSL/TLS-based + * session authentication and key exchange, + * packet encryption, packet authentication, and + * packet compression. + * + * Copyright (C) 2002-2005 OpenVPN Solutions LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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 (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef CIRC_LIST_H +#define CIRC_LIST_H + +#include "basic.h" +#include "integer.h" +#include "error.h" + +#define CIRC_LIST(name, type) \ +struct name { \ + int x_head; \ + int x_size; \ + int x_cap; \ + int x_sizeof; \ + type x_list[EMPTY_ARRAY_SIZE]; \ +} + +#define CIRC_LIST_PUSH(obj, item) \ +{ \ + (obj)->x_head = modulo_add ((obj)->x_head, -1, (obj)->x_cap); \ + (obj)->x_list[(obj)->x_head] = (item); \ + (obj)->x_size = min_int ((obj)->x_size + 1, (obj)->x_cap); \ +} + +#define CIRC_LIST_SIZE(obj) \ + ((obj)->x_size) + +#define CIRC_LIST_INDEX(obj, index) \ + modulo_add ((obj)->x_head, \ + index_verify ((index), (obj)->x_size, __FILE__, __LINE__), \ + (obj)->x_cap) + +#define CIRC_LIST_ITEM(obj, index) \ + ((obj)->x_list[CIRC_LIST_INDEX((obj), (index))]) + +#define CIRC_LIST_RESET(obj) \ +{ \ + (obj)->x_head = 0; \ + (obj)->x_size = 0; \ +} + +#define CIRC_LIST_ALLOC(dest, list_type, size) \ +{ \ + const int so = sizeof (list_type) + sizeof ((dest)->x_list[0]) * (size); \ + (dest) = (list_type *) malloc (so); \ + check_malloc_return (dest); \ + memset ((dest), 0, so); \ + (dest)->x_cap = size; \ + (dest)->x_sizeof = so; \ +} + +#define CIRC_LIST_FREE(dest) \ + free (dest) + +#endif -- cgit