1228753Smm/*-
2228753Smm * Copyright (c) 2003-2007 Tim Kientzle
3228753Smm * All rights reserved.
4228753Smm *
5228753Smm * Redistribution and use in source and binary forms, with or without
6228753Smm * modification, are permitted provided that the following conditions
7228753Smm * are met:
8228753Smm * 1. Redistributions of source code must retain the above copyright
9228753Smm *    notice, this list of conditions and the following disclaimer.
10228753Smm * 2. Redistributions in binary form must reproduce the above copyright
11228753Smm *    notice, this list of conditions and the following disclaimer in the
12228753Smm *    documentation and/or other materials provided with the distribution.
13228753Smm *
14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24228753Smm */
25228753Smm
26228753Smm#include "archive_platform.h"
27229592Smm__FBSDID("$FreeBSD$");
28228753Smm
29228753Smm#include "archive.h"
30228753Smm
31228753Smmint
32228753Smmarchive_read_support_compression_all(struct archive *a)
33228753Smm{
34228753Smm	/* Bzip falls back to "bunzip2" command-line */
35228753Smm	archive_read_support_compression_bzip2(a);
36228753Smm	/* The decompress code doesn't use an outside library. */
37228753Smm	archive_read_support_compression_compress(a);
38228753Smm	/* Gzip decompress falls back to "gunzip" command-line. */
39228753Smm	archive_read_support_compression_gzip(a);
40228753Smm	/* The LZMA file format has a very weak signature, so it
41228753Smm	 * may not be feasible to keep this here, but we'll try.
42228753Smm	 * This will come back out if there are problems. */
43228753Smm	/* Lzma falls back to "unlzma" command-line program. */
44228753Smm	archive_read_support_compression_lzma(a);
45228753Smm	/* Xz falls back to "unxz" command-line program. */
46228753Smm	archive_read_support_compression_xz(a);
47228753Smm	/* The decode code doesn't use an outside library. */
48228753Smm	archive_read_support_compression_uu(a);
49228753Smm	/* The decode code doesn't use an outside library. */
50228753Smm	archive_read_support_compression_rpm(a);
51228753Smm
52228753Smm	/* Note: We always return ARCHIVE_OK here, even if some of the
53228753Smm	 * above return ARCHIVE_WARN.  The intent here is to enable
54228753Smm	 * "as much as possible."  Clients who need specific
55228753Smm	 * compression should enable those individually so they can
56228753Smm	 * verify the level of support. */
57228753Smm	/* Clear any warning messages set by the above functions. */
58228753Smm	archive_clear_error(a);
59228753Smm	return (ARCHIVE_OK);
60228753Smm}
61