Function FAT_init_rootdir

src/fat_adv.c:2221–2298

}

int FAT_init_rootdir(disk_t *disk_car, partition_t *partition, const int verbose, char **current_cmd)
{
  unsigned long int fat_length,sector;
  uint64_t start_rootdir,start_data;
  unsigned int error=0;
  struct fat_boot_sector *fat_header;
  unsigned char *buffer;
  if(partition->upart_type!=UP_FAT12 && partition->upart_type!=UP_FAT16)
    return 1;
  if(check_FAT(disk_car,partition,verbose)!=0)
  {
    display_message("Boot sector not valid, can't check FAT.\n");
    return 1;
  }
  buffer=(unsigned char *)MALLOC(disk_car->sector_size);
  fat_header=(struct fat_boot_sector *)buffer;
  if((unsigned)disk_car->pread(disk_car, buffer, disk_car->sector_size, partition->part_offset) != disk_car->sector_size)
  {
    display_message("FAT_init_rootdir: Can't read boot sector\n");
    free(buffer);
    return 1;
  }
  fat_length=le16(fat_header->fat_length)>0?le16(fat_header->fat_length):le32(fat_header->fat32_length);
  start_rootdir=le16(fat_header->reserved)+ fat_header->fats*fat_length;
  start_data=start_rootdir+(get_dir_entries(fat_header)*32+disk_car->sector_size-1)/disk_car->sector_size;
  for(sector=start_rootdir;error==0 && sector<start_data;sector++)
  {
    if((unsigned)disk_car->pread(disk_car, buffer, disk_car->sector_size,
	  partition->part_offset + (uint64_t)sector * disk_car->sector_size) != disk_car->sector_size)
    {
      log_error("FAT_init_rootdir: read error at sector %lu\n", sector);
    }
    else
    {
      unsigned int i;
      for(i=0;error==0 && (i<disk_car->sector_size/0x20);i++)
      {
	if(check_FAT_dir_entry(&buffer[i*0x20],i)==2)
	{
	  error=1;
	}
      }
    }
  }
  if(error==0)
  {
    if(*current_cmd!=NULL)
      log_info("TestDisk doesn't seem needed to reset the root directory.\n");
    else
      display_message("TestDisk doesn't seem needed to reset the root directory.\n");
    free(buffer);
    return 0;
  }
#ifdef HAVE_NCURSES
  if(ask_confirmation("Initialize FAT root directory, confirm ? (Y/N)")!=0)
  {
    int err=0;
    log_info("Initialize FAT root directory\n");