archive_version_details.c revision 370535 
1/*-
2 * Copyright (c) 2009-2012,2014 Michihiro NAKAJIMA
3 * Copyright (c) 2003-2007 Tim Kientzle
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "archive_platform.h"
28__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/archive_version_details.c 370535 2021-09-10 08:34:36Z git2svn $");
29
30#ifdef HAVE_STDLIB_H
31#include <stdlib.h>
32#endif
33#ifdef HAVE_STRING_H
34#include <string.h>
35#endif
36#ifdef HAVE_ZLIB_H
37#include <zlib.h>
38#endif
39#ifdef HAVE_LZMA_H
40#include <lzma.h>
41#endif
42#ifdef HAVE_BZLIB_H
43#include <bzlib.h>
44#endif
45#ifdef HAVE_LZ4_H
46#include <lz4.h>
47#endif
48#ifdef HAVE_ZSTD_H
49#include <zstd.h>
50#endif
51
52#include "archive.h"
53#include "archive_private.h"
54#include "archive_string.h"
55
56const char *
57archive_version_details(void)
58{
59	static struct archive_string str;
60	static int init = 0;
61	const char *zlib = archive_zlib_version();
62	const char *liblzma = archive_liblzma_version();
63	const char *bzlib = archive_bzlib_version();
64	const char *liblz4 = archive_liblz4_version();
65	const char *libzstd = archive_libzstd_version();
66
67	if (!init) {
68		archive_string_init(&str);
69
70		archive_strcat(&str, ARCHIVE_VERSION_STRING);
71		if (zlib != NULL) {
72			archive_strcat(&str, " zlib/");
73			archive_strcat(&str, zlib);
74		}
75		if (liblzma) {
76			archive_strcat(&str, " liblzma/");
77			archive_strcat(&str, liblzma);
78		}
79		if (bzlib) {
80			const char *p = bzlib;
81			const char *sep = strchr(p, ',');
82			if (sep == NULL)
83				sep = p + strlen(p);
84			archive_strcat(&str, " bz2lib/");
85			archive_strncat(&str, p, sep - p);
86		}
87		if (liblz4) {
88			archive_strcat(&str, " liblz4/");
89			archive_strcat(&str, liblz4);
90		}
91		if (libzstd) {
92			archive_strcat(&str, " libzstd/");
93			archive_strcat(&str, libzstd);
94		}
95	}
96	return str.s;
97}
98
99const char *
100archive_zlib_version(void)
101{
102#ifdef HAVE_ZLIB_H
103	return ZLIB_VERSION;
104#else
105	return NULL;
106#endif
107}
108
109const char *
110archive_liblzma_version(void)
111{
112#ifdef HAVE_LZMA_H
113	return LZMA_VERSION_STRING;
114#else
115	return NULL;
116#endif
117}
118
119const char *
120archive_bzlib_version(void)
121{
122#ifdef HAVE_BZLIB_H
123	return BZ2_bzlibVersion();
124#else
125	return NULL;
126#endif
127}
128
129const char *
130archive_liblz4_version(void)
131{
132#if defined(HAVE_LZ4_H) && defined(HAVE_LIBLZ4)
133#define str(s) #s
134#define NUMBER(x) str(x)
135	return NUMBER(LZ4_VERSION_MAJOR) "." NUMBER(LZ4_VERSION_MINOR) "." NUMBER(LZ4_VERSION_RELEASE);
136#undef NUMBER
137#undef str
138#else
139	return NULL;
140#endif
141}
142
143const char *
144archive_libzstd_version(void)
145{
146#if HAVE_ZSTD_H && HAVE_LIBZSTD
147	return ZSTD_VERSION_STRING;
148#else
149	return NULL;
150#endif
151}
152