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      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 Public
      8  * License.
      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 
     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 
     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