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51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/*
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* Copyright (c) 2004-2016 Maxim Sobolev <sobomax@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* CLOOP format and related constants */
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/*
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* Integer values (block size, number of blocks, offsets)
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* are stored in big-endian (network) order on disk.
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*/
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#define CLOOP_MAGIC_LEN 128
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#define CLOOP_OFS_COMPR 0x0b
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#define CLOOP_OFS_VERSN (CLOOP_OFS_COMPR + 1)
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#define CLOOP_MAJVER_2 '2'
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#define CLOOP_MAJVER_3 '3'
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#define CLOOP_MAJVER_4 '4'
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#define CLOOP_COMP_LIBZ 'V'
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#define CLOOP_COMP_LZMA 'L'
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#define CLOOP_COMP_ZSTD 'Z'
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struct cloop_header {
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char magic[CLOOP_MAGIC_LEN]; /* cloop magic */
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uint32_t blksz; /* block size */
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uint32_t nblocks; /* number of blocks */
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};
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