/* fat_unformat()
* @param struct ph_param *params
* @param const struct ph_options *options
* @param alloc_data_t *list_search_space
*
* @returns:
* 0: Completed or not possible
* 1: Stop by user request
* params->offset is set
*/
int fat_unformat(struct ph_param *params, const struct ph_options *options, alloc_data_t *list_search_space)
{
unsigned int sectors_per_cluster=0;
uint64_t start_data=0;
params->blocksize=0;
if(pfind_sectors_per_cluster(params->disk, params->partition, options->verbose, §ors_per_cluster, &start_data, list_search_space)==0)
{
display_message("Can't find FAT cluster size\n");
return 0;
}
if(start_data <= params->partition->part_offset)
{
display_message("FAT filesystem was beginning before the actual partition.");
return 0;
}
start_data *= params->disk->sector_size;
del_search_space(list_search_space, params->partition->part_offset, start_data - 1);
{
uint64_t offset=start_data;
params->blocksize=sectors_per_cluster * params->disk->sector_size;
#ifdef HAVE_NCURSES
if(options->expert>0)
params->blocksize=menu_choose_blocksize(params->blocksize, params->disk->sector_size, &offset);
#endif
update_blocksize(params->blocksize, list_search_space, offset);
}
/* start_data is relative to the disk */
return fat_unformat_aux(params, options, start_data, list_search_space);
}
int QPhotorec::photorec(alloc_data_t *list_search_space)
{
pstatus_t ind_stop=PSTATUS_OK;
const unsigned int blocksize_is_known=params->blocksize;
params_reset(params, options);
/* make the first recup_dir */
params->dir_num=photorec_mkdir(params->recup_dir, params->dir_num);
for(params->pass=0; params->status!=STATUS_QUIT; params->pass++)
{
timer->start();
switch(params->status)
{
case STATUS_UNFORMAT:
/* FIXME */
break;
case STATUS_FIND_OFFSET:
{
uint64_t start_offset=0;
if(blocksize_is_known>0)
{
ind_stop=PSTATUS_OK;
if(!td_list_empty(&list_search_space->list))
start_offset=(td_list_entry(list_search_space->list.next, alloc_data_t, list))->start % params->blocksize;
}
else
{
ind_stop=photorec_find_blocksize(list_search_space);
params->blocksize=find_blocksize(list_search_space, params->disk->sector_size, &start_offset);
}
update_blocksize(params->blocksize, list_search_space, start_offset);
}
break;
case STATUS_EXT2_ON_BF:
case STATUS_EXT2_OFF_BF:
/* FIXME */
break;
default:
ind_stop=photorec_aux(list_search_space);
break;
}
timer->stop();
qphotorec_search_updateUI();
session_save(list_search_space, params, options);
switch(ind_stop)
{
case PSTATUS_EACCES:
{
int ret=QMessageBox::warning(this,
tr("QPhotoRec: Failed to create file!"),
tr("Failed to create file! Please choose another destination"),
QMessageBox::Ok| QMessageBox::Cancel, QMessageBox::Ok);
if(ret==QMessageBox::Cancel)
{
params->status=STATUS_QUIT;
}
else
{
setExistingDirectory();
free(params->recup_dir);
QByteArray byteArray = (directoryLabel->text() + "/" + DEFAULT_RECUP_DIR).toUtf8();
params->recup_dir=strdup(byteArray.constData());
params->dir_num=photorec_mkdir(params->recup_dir, params->dir_num);
}
}
break;
case PSTATUS_ENOSPC:
{
int ret=QMessageBox::warning(this,
tr("QPhotoRec: Not enough space!"),
tr("There is not enough space left! Please free disk space and/or choose another destination"),
QMessageBox::Ok| QMessageBox::Cancel, QMessageBox::Ok);
if(ret==QMessageBox::Cancel)
{
params->status=STATUS_QUIT;
}
else
{
setExistingDirectory();
free(params->recup_dir);
QByteArray byteArray = (directoryLabel->text() + "/" + DEFAULT_RECUP_DIR).toUtf8();
params->recup_dir=strdup(byteArray.constData());
params->dir_num=photorec_mkdir(params->recup_dir, params->dir_num);
}
}
break;
case PSTATUS_OK:
status_inc(params, options);
if(params->status==STATUS_QUIT)
unlink("photorec.ses");
break;
case PSTATUS_STOP:
params->status=STATUS_QUIT;
break;
}
update_stats(params->file_stats, list_search_space);
qphotorec_search_updateUI();
}
free_search_space(list_search_space);
free_header_check();
free(params->file_stats);
params->file_stats=NULL;
return 0;
}
