Function find_dir_entries

src/fat_adv.c:700–753

#endif

static int find_dir_entries(disk_t *disk_car,const partition_t *partition, const unsigned int offset,const int verbose)
{
  uint64_t hd_offset;
  unsigned int i;
  int dir_entry_found=0;
  unsigned char *buffer=(unsigned char *)MALLOC(disk_car->sector_size);
  for(i=0, hd_offset=partition->part_offset+(uint64_t)offset*disk_car->sector_size;
      i<200 && i<offset;
      i++, hd_offset-=disk_car->sector_size)
  {
    if((unsigned)disk_car->pread(disk_car, buffer, disk_car->sector_size, hd_offset) != disk_car->sector_size)
    {
      log_error("dir_entries: read error, dir_entries>=%u (%u sectors)\n",i*(disk_car->sector_size/32),i);
    }
    else
    {
      unsigned int j;
      /* A directory entry is 32 bytes long 	*
       * Entries has allocated by whole sector 	*/
      for(j=disk_car->sector_size/32-1;j>0;j--)
      {
        if(verbose>1)
        {
          log_verbose("find_dir_entries sector=%u entry=%u dir_entry_found=%d\n",
	      offset-i, j, dir_entry_found);
        }
        if(dir_entry_found==0)
        { /* Should be between the last directory entries and the first cluster */
          switch(check_FAT_dir_entry(&buffer[j*32],j))
          {
            case 0:	/* Empty entry */
              break;
            case 1:	/* Non empty entry */
              dir_entry_found=1;
              break;
            case 2:	/* Failed */
              free(buffer);
              return 0;
          }
        }
        else
        {
          if(check_FAT_dir_entry(&buffer[j*32],j)!=1)
          { /* Must be in the FAT table */
            free(buffer);
            return (i-1)*(disk_car->sector_size/32);
          }
        }
      }
    }
  }
  free(buffer);
  return 0;
}

static int analyse_dir_entries(disk_t *disk_car,const partition_t *partition, const unsigned int offset,const int verbose)
{