archive_version_details.c revision 316337 
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 316337 2017-03-31 20:16:24Z mm $");
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
49#include "archive.h"
50#include "archive_private.h"
51#include "archive_string.h"
52
53const char *
54archive_version_details(void)
55{
56	static struct archive_string str;
57	static int init = 0;
58	const char *zlib = archive_zlib_version();
59	const char *liblzma = archive_liblzma_version();
60	const char *bzlib = archive_bzlib_version();
61	const char *liblz4 = archive_liblz4_version();
62
63	if (!init) {
64		archive_string_init(&str);
65
66		archive_strcat(&str, ARCHIVE_VERSION_STRING);
67		if (zlib != NULL) {
68			archive_strcat(&str, " zlib/");
69			archive_strcat(&str, zlib);
70		}
71		if (liblzma) {
72			archive_strcat(&str, " liblzma/");
73			archive_strcat(&str, liblzma);
74		}
75		if (bzlib) {
76			const char *p = bzlib;
77			const char *sep = strchr(p, ',');
78			if (sep == NULL)
79				sep = p + strlen(p);
80			archive_strcat(&str, " bz2lib/");
81			archive_strncat(&str, p, sep - p);
82		}
83		if (liblz4) {
84			archive_strcat(&str, " liblz4/");
85			archive_strcat(&str, liblz4);
86		}
87	}
88	return str.s;
89}
90
91const char *
92archive_zlib_version(void)
93{
94#ifdef HAVE_ZLIB_H
95	return ZLIB_VERSION;
96#else
97	return NULL;
98#endif
99}
100
101const char *
102archive_liblzma_version(void)
103{
104#ifdef HAVE_LZMA_H
105	return LZMA_VERSION_STRING;
106#else
107	return NULL;
108#endif
109}
110
111const char *
112archive_bzlib_version(void)
113{
114#ifdef HAVE_BZLIB_H
115	return BZ2_bzlibVersion();
116#else
117	return NULL;
118#endif
119}
120
121const char *
122archive_liblz4_version(void)
123{
124#if defined(HAVE_LZ4_H) && defined(HAVE_LIBLZ4)
125#define str(s) #s
126#define NUMBER(x) str(x)
127	return NUMBER(LZ4_VERSION_MAJOR) "." NUMBER(LZ4_VERSION_MINOR) "." NUMBER(LZ4_VERSION_RELEASE);
128#undef NUMBER
129#undef str
130#else
131	return NULL;
132#endif
133}
134