/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1987-2012 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* pax compress format
*/
#include "format.h"
static int
compress_getprologue(Pax_t* pax, Format_t* fp, Archive_t* ap, File_t* f, unsigned char* buf, size_t size)
{
if (size < 2 || buf[0] != 0x1f || buf[1] != 0x9d)
return 0;
ap->uncompressed = ap->io->size * 3;
return 1;
}
static Compress_format_t pax_compress_data =
{
0,
{ 0 },
{ "zcat" },
};
Format_t pax_compress_format =
{
"compress",
"lz",
"Lempel-Ziv compression",
0,
COMPRESS|IN|OUT,
0,
0,
0,
PAXNEXT(compress),
&pax_compress_data,
0,
compress_getprologue,
};
PAXLIB(compress)