test_sbfctablesize.c

   1 #include <stdio.h>
   2
   3 #include "fsck.h"
   4 #include "fsck_helper.h"
   5 #include "sofs09.h"
   6
   7 testresult_t test_sbfctablesize (void)
   8 {
   9     testresult_t ret;
  10     SOSuperBlock *sb;
  11     int fctshortage, fctexcess;
  12
  13     fetch_superblock(&sb);
  14
  15     /* ceil(a/b) = (a + b - 1)/b */
  16
  17     ret = nice;
  18
  19     if (sb->fctable_size < ((sb->dzone_size-1)+RPB-1)/RPB) {
  20         fctshortage = (sb->dzone_size+RPB-1)/RPB - (sb->fctable_size);
  21         printf("FCT too small (even considering that the root directory block "
  22                "will never be there) by %d blocks.\n", fctshortage);
  23         ret = corrupt;
  24     }
  25
  26     if (sb->fctable_size > (sb->dzone_size+RPB-1)/RPB) {
  27         fctexcess = (sb->fctable_size) - (sb->dzone_size+RPB-1)/RPB;
  28         printf("FCT too big by %d blocks.\n", fctexcess);
  29         ret = weird;
  30     }
  31
  32     return ret;
  33 }