lib_generic/display_options.c

   1 /*
   2  * (C) Copyright 2000-2002
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25
  26 int display_options (void)
  27 {
  28         extern char version_string[];
  29
  30 #if defined(BUILD_TAG)
  31         printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
  32 #else
  33         printf ("\n\n%s\n\n", version_string);
  34 #endif
  35         return 0;
  36 }
  37
  38 /*
  39  * print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
  40  * allow for optional trailing string (like "\n")
  41  */
  42 void print_size (ulong size, const char *s)
  43 {
  44         ulong m, n;
  45         ulong d = 1 << 20;              /* 1 MB */
  46         char  c = 'M';
  47
  48         if (size < d) {                 /* print in kB */
  49                 c = 'k';
  50                 d = 1 << 10;
  51         }
  52
  53         n = size / d;
  54
  55         m = (10 * (size - (n * d)) + (d / 2) ) / d;
  56
  57         if (m >= 10) {
  58                 m -= 10;
  59                 n += 1;
  60         }
  61
  62         printf ("%2ld", n);
  63         if (m) {
  64                 printf (".%ld", m);
  65         }
  66         printf (" %cB%s", c, s);
  67 }