static imgtoolerr_t process_bml3_file(struct bml3_dirent *ent, imgtool_image *img, imgtool_stream *destf, size_t *size)
{
imgtoolerr_t err;
size_t remaining_size, granule_size;
bml3_diskinfo *info = bml3_get_diskinfo(img);
struct granule_list_t granule_list;
granule_list.granule_count = 0;
err = list_granules(ent, img, &granule_list);
if (err)
return err;
err = get_file_size(ent, img, &granule_list, size);
if (err)
return err;
if (destf) {
remaining_size = *size;
granule_size = info->granule_sectors * info->sector_size;
for (int c = 0; c < granule_list.granule_count; c++) {
if (granule_size >= remaining_size)
granule_size = remaining_size;
transfer_from_granule(img, granule_list.granules[c], granule_size, destf);
remaining_size -= granule_size;
}
}
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t process_rsdos_file(struct rsdos_dirent *ent, imgtool_image *img, imgtool_stream *destf, size_t *size)
{
floperr_t ferr;
size_t s, lastgransize;
UINT8 granule_count;
unsigned char i = 0, granule;
UINT8 usedmap[MAX_GRANULEMAP_SIZE]; /* Used to detect infinite loops */
UINT8 granule_map[MAX_GRANULEMAP_SIZE];
ferr = get_granule_map(img, granule_map, &granule_count);
if (ferr)
return imgtool_floppy_error(ferr);
memset(usedmap, 0, granule_count);
lastgransize = ent->lastsectorbytes_lsb + (((int) ent->lastsectorbytes_msb) << 8);
s = 0;
granule = ent->first_granule;
while(!usedmap[granule] && ((i = granule_map[granule]) < granule_count))
{
usedmap[granule] = 1;
if (destf)
transfer_from_granule(img, granule, 9*256, destf);
/* i is the next granule */
s += (256 * 9);
granule = i;
}
if ((i < 0xc0) || (i > 0xc9))
return IMGTOOLERR_CORRUPTIMAGE;
if (lastgransize)
i--;
lastgransize += (256 * (i - 0xc0));
if (destf)
transfer_from_granule(img, granule, lastgransize, destf);
if (size)
*size = s + lastgransize;
return IMGTOOLERR_SUCCESS;
}
