2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Compressed stream header struct
39 * Compression algorithm signature. 4 letters as a 32bits integer
41 #define COMPRESS_NONE 0x4e4f4e45 /* used for incompressible block */
42 #define COMPRESS_GZIP 0x475a4950
43 #define COMPRESS_LZO1X 0x4c5a4f58
46 * Compression header version
48 #define COMP_HEAD_VERSION 0x1
50 /* Compressed data stream header */
52 uint32_t magic; /* compression algo used in this compressed data stream */
53 uint16_t level; /* compression level used */
54 uint16_t version; /* for futur evolution */
55 uint32_t size; /* compressed size of the original data */