freebsd-skq/lib/libarchive/archive_read_support_compression_all.c
kientzle d60e57a219 Merge r585,r669 from libarchive.googlecode.com: If zlib is unavailable,
use external "gunzip" instead.  With this in place, we can unconditionally
enable gzip read support.
2009-03-07 02:51:18 +00:00

49 lines
2.0 KiB
C

/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive.h"
int
archive_read_support_compression_all(struct archive *a)
{
#if HAVE_BZLIB_H
archive_read_support_compression_bzip2(a);
#endif
/* The decompress code doesn't use an outside library. */
archive_read_support_compression_compress(a);
/* Gzip decompress falls back to "gunzip" command-line. */
archive_read_support_compression_gzip(a);
#if HAVE_LZMADEC_H
/* LZMA bidding is subject to false positives because
* the LZMA file format has a very weak signature. It
* may not be feasible to include LZMA detection here. */
/* archive_read_support_compression_lzma(a); */
#endif
return (ARCHIVE_OK);
}