1 /*
2  * version.c --- Return the version of the ext2 library
3  *
4  * Copyright (C) 1997 Theodore Ts'o.
5  *
6  * %Begin-Header%
7  * This file may be redistributed under the terms of the GNU Library
8  * General Public License, version 2.
9  * %End-Header%
10  */
11 
12 #if HAVE_UNISTD_H
13 #include <unistd.h>
14 #endif
15 #include <string.h>
16 #include <stdio.h>
17 #include <ctype.h>
18 
19 #include "ext2_fs.h"
20 #include "ext2fs.h"
21 
22 #include "../../version.h"
23 
24 static const char *lib_version = E2FSPROGS_VERSION;
25 static const char *lib_date = E2FSPROGS_DATE;
26 
ext2fs_parse_version_string(const char * ver_string)27 int ext2fs_parse_version_string(const char *ver_string)
28 {
29 	const char *cp;
30 	int version = 0, dot_count = 0;
31 
32 	for (cp = ver_string; *cp; cp++) {
33 		if (*cp == '.') {
34 			if (dot_count++)
35 				break;
36 			else
37 				continue;
38 		}
39 		if (!isdigit(*cp))
40 			break;
41 		version = (version * 10) + (*cp - '0');
42 	}
43 	return version;
44 }
45 
46 
ext2fs_get_library_version(const char ** ver_string,const char ** date_string)47 int ext2fs_get_library_version(const char **ver_string,
48 			       const char **date_string)
49 {
50 	if (ver_string)
51 		*ver_string = lib_version;
52 	if (date_string)
53 		*date_string = lib_date;
54 
55 	return ext2fs_parse_version_string(lib_version);
56 }
57