1 /*
2  * version.c - Return the version of the library
3  *
4  * Copyright (C) 2014 Karel Zak <kzak@redhat.com>
5  *
6  * See COPYING.libmount for the License of this software.
7  */
8 
9 /**
10  * SECTION: version-utils
11  * @title: Version functions
12  * @short_description: functions to get the library version.
13  *
14  * Note that library version is not the same thing as SONAME version. The
15  * libsmarcols uses symbols versioning and SONAME is not modified for releases.
16  *
17  * The library version and symbols version follow util-linux package versioning.
18  */
19 
20 #include <ctype.h>
21 
22 #include "smartcolsP.h"
23 
24 static const char *lib_version = LIBSMARTCOLS_VERSION;
25 
26 /**
27  * scols_parse_version_string:
28  * @ver_string: version string (e.g "2.18.0")
29  *
30  * Returns: release version code.
31  */
scols_parse_version_string(const char * ver_string)32 int scols_parse_version_string(const char *ver_string)
33 {
34 	const char *cp;
35 	int version = 0;
36 
37 	assert(ver_string);
38 
39 	for (cp = ver_string; *cp; cp++) {
40 		if (*cp == '.')
41 			continue;
42 		if (!isdigit(*cp))
43 			break;
44 		version = (version * 10) + (*cp - '0');
45 	}
46 	return version;
47 }
48 
49 /**
50  * scols_get_library_version:
51  * @ver_string: return pointer to the static library version string if not NULL
52  *
53  * Returns: release version number.
54  */
scols_get_library_version(const char ** ver_string)55 int scols_get_library_version(const char **ver_string)
56 {
57 	if (ver_string)
58 		*ver_string = lib_version;
59 
60 	return scols_parse_version_string(lib_version);
61 }
62 
63