release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/version.c

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