src/vol/test/ltlist.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /* ltlist - a standalone program to dump the link count table. */
  11
  12 #include <afsconfig.h>
  13 #include <afs/param.h>
  14
  15
  16 #include <stdio.h>
  17 #ifdef AFS_NT40_ENV
  18 #include <windows.h>
  19 #include <io.h>
  20 #endif
  21
  22 main(int ac, char **av)
  23 {
  24     FILE *fp;
  25     unsigned short row;
  26     int i;
  27     int count;
  28     int stamp[2];
  29
  30     if (ac != 2) {
  31         printf("Usage ltlist <filename>\n");
  32         exit(1);
  33     }
  34
  35     fp = fopen(av[1], "r");
  36     if (!fp) {
  37         printf("Can't open %s for reading.\n");
  38         exit(1);
  39     }
  40
  41     /* Print the magic and version numbers in hex. */
  42     count = fread((void *)stamp, 1, 8, fp);
  43     if (count != 8) {
  44         if (feof(fp)) {
  45             printf("Only read %d bytes of %s, wanted 8 for stamp.\n", count,
  46                    av[1]);
  47         } else {
  48 #ifdef AFS_NT40_ENV
  49             printf("NT Error %d reading 8 bytes from %s\n", GetLastError(),
  50                    av[1]);
  51 #else
  52             perror("fread");
  53 #endif
  54         }
  55         exit(1);
  56     }
  57
  58     printf("magic=0x%x, version=0x%x\n", stamp[0], stamp[1]);
  59
  60     printf("%10s %2s %2s %2s %2s %2s\n", "Vnode", "F1", "F2", "F3", "F4",
  61            "F5");
  62     i = 0;
  63     while (fread((void *)&row, 1, 2, fp)) {
  64         printf("%10d %2d %2d %2d %2d %2d\n", i, (int)(row & 0x7),
  65                (int)((row >> 3) & 0x7), (int)((row >> 6) & 0x7),
  66                (int)((row >> 9) & 0x7), (int)((row >> 12) & 0x7));
  67         i++;
  68     }
  69 }