static imgtoolerr_t imgtool_floppy_open_internal(imgtool_image *image, imgtool_stream *f, int noclose)
{
floperr_t ferr;
imgtoolerr_t err;
struct imgtool_floppy_image *fimg;
const imgtool_class *imgclass;
const struct FloppyFormat *format;
imgtoolerr_t (*open)(imgtool_image *image, imgtool_stream *f);
fimg = (struct imgtool_floppy_image *) imgtool_image_extra_bytes(image);
imgclass = &imgtool_image_module(image)->imgclass;
format = (const struct FloppyFormat *) imgclass->derived_param;
open = (imgtoolerr_t (*)(imgtool_image *, imgtool_stream *)) imgtool_get_info_ptr(imgclass, IMGTOOLINFO_PTR_FLOPPY_OPEN);
/* open up the floppy */
ferr = floppy_open(f, noclose ? &imgtool_noclose_ioprocs : &imgtool_ioprocs,
NULL, format, FLOPPY_FLAGS_READWRITE, &fimg->floppy);
if (ferr)
{
err = imgtool_floppy_error(ferr);
return err;
}
if (open)
{
err = open(image, NULL);
if (err)
return err;
}
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t datapack_read_file(imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *destf)
{
imgtool_image *image = imgtool_partition_image(partition);
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
int index = seek_file_name(pack, filename);
if (index >= 0)
{
if ((pack->pack_index[index].type & 0x7f) == 0x01)
{
// ODB files
stream_seek(pack->stream, 0x10, SEEK_SET);
get_odb(pack->stream, destf, pack->pack_index[index].type, pack->pack_index[index].id);
}
else if ((pack->pack_index[index].type & 0x7f) == 0x03)
{
// OB3/OPL files
stream_seek(pack->stream, pack->pack_index[index].data_rec, SEEK_SET);
get_ob3(pack->stream, destf, pack->pack_index[index].type, pack->pack_index[index].id);
}
else
{
// Other files
return IMGTOOLERR_UNIMPLEMENTED;
}
return IMGTOOLERR_SUCCESS;
}
else
return IMGTOOLERR_FILENOTFOUND;
}
static imgtoolerr_t datapack_write_file( imgtool_partition *partition, const char *filename, const char *fork, imgtool_stream *sourcef, util::option_resolution *opts)
{
imgtool_image *image = imgtool_partition_image(partition);
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
static const UINT8 data_head[4] = {0x02, 0x80, 0x00, 0x00};
UINT8 head[3];
UINT16 size = 0;
UINT8 type = opts->lookup_int('T');
UINT8 file_id = opts->lookup_int('I');
if (!pack->eop)
return IMGTOOLERR_CORRUPTIMAGE;
// if not file_id is specified get the first free (for ODB only)
if (file_id == 0 && type == 3)
{
file_id = get_free_file_id(pack);
if (file_id == 0xff)
return IMGTOOLERR_NOSPACE;
}
stream_read(sourcef, head, 3);
stream_seek(pack->stream, pack->eop, SEEK_SET);
if (type == 0)
type = (!strncmp((char*)head, "ORG", 3)) ? 1 : 2;
switch (type)
{
case 1: //OB3 file
put_name_record(pack->stream, filename, 0x83, file_id);
stream_write(pack->stream, data_head, 4);
size = put_ob3(sourcef, pack->stream);
break;
case 2: //OPL file
put_name_record(pack->stream, filename, 0x83, file_id);
stream_write(pack->stream, data_head, 4);
size = put_opl(sourcef, pack->stream);
break;
case 3: //ODB file
put_name_record(pack->stream, filename, 0x81, file_id);
size = put_odb(sourcef, pack->stream, file_id);
break;
}
if (type != 3)
{
// update the OB3/OPL long record size
stream_seek(pack->stream, pack->eop + 13, SEEK_SET);
stream_putc(pack->stream, (size>>8) & 0xff);
stream_putc(pack->stream, size & 0xff);
}
static imgtoolerr_t datapack_free_space( imgtool_partition *partition, UINT64 *size)
{
imgtool_image *image = imgtool_partition_image( partition);
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
UINT32 pack_size = 0;
stream_seek(pack->stream, 0x07, SEEK_SET);
stream_read(pack->stream, &pack_size, 1);
if (size)
*size = (pack_size * 0x2000) - pack->eop;
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t datapack_open( imgtool_image *image, imgtool_stream *stream)
{
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
char opk_magic[4];
stream_read(stream, opk_magic, 4);
if(strcmp(opk_magic, "OPK\0"))
return IMGTOOLERR_UNEXPECTED;
pack->stream = stream;
if (update_pack_index(pack))
return IMGTOOLERR_SUCCESS;
else
return IMGTOOLERR_CORRUPTIMAGE;
}
static imgtoolerr_t imgtool_floppy_create(imgtool_image *image, imgtool_stream *f, option_resolution *opts)
{
floperr_t ferr;
imgtoolerr_t err = IMGTOOLERR_SUCCESS;
struct imgtool_floppy_image *fimg;
const imgtool_class *imgclass;
const struct FloppyFormat *format;
imgtoolerr_t (*create)(imgtool_image *, imgtool_stream *, option_resolution *);
imgtoolerr_t (*open)(imgtool_image *image, imgtool_stream *f);
fimg = (struct imgtool_floppy_image *) imgtool_image_extra_bytes(image);
imgclass = &imgtool_image_module(image)->imgclass;
format = (const struct FloppyFormat *) imgclass->derived_param;
create = (imgtoolerr_t (*)(imgtool_image *, imgtool_stream *, option_resolution *)) imgtool_get_info_ptr(imgclass, IMGTOOLINFO_PTR_FLOPPY_CREATE);
open = (imgtoolerr_t (*)(imgtool_image *, imgtool_stream *)) imgtool_get_info_ptr(imgclass, IMGTOOLINFO_PTR_FLOPPY_OPEN);
/* open up the floppy */
ferr = floppy_create(f, &imgtool_ioprocs, format, opts, &fimg->floppy);
if (ferr)
{
err = imgtool_floppy_error(ferr);
goto done;
}
/* do we have to do extra stuff when creating the image? */
if (create)
{
err = create(image, NULL, opts);
if (err)
goto done;
}
/* do we have to do extra stuff when opening the image? */
if (open)
{
err = open(image, NULL);
if (err)
goto done;
}
done:
return err;
}
static imgtoolerr_t datapack_next_enum(imgtool_directory *enumeration, imgtool_dirent *ent)
{
imgtool_image *image = imgtool_directory_image(enumeration);
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
psion_iter *iter = (psion_iter*)imgtool_directory_extrabytes(enumeration);
UINT8 data = 0;
if (!pack->pack_index[iter->index].name_rec)
{
ent->eof = 1;
return IMGTOOLERR_SUCCESS;
}
memcpy(ent->filename, pack->pack_index[iter->index].filename, 8);
sprintf(ent->attr, "Type: %02x ID: %02x", pack->pack_index[iter->index].type, pack->pack_index[iter->index].id);
if (pack->pack_index[iter->index].data_rec)
{
stream_seek(pack->stream, pack->pack_index[iter->index].data_rec + 2, SEEK_SET);
ent->filesize = get_long_rec_size(pack->stream);
}
// seek all file's records
if (pack->pack_index[iter->index].id >= 0x90)
{
stream_seek(pack->stream, 0x10, SEEK_SET);
while (seek_next_record(pack->stream, pack->pack_index[iter->index].id))
{
stream_read(pack->stream, &data, 1);
stream_seek(pack->stream, data + 1, SEEK_CUR);
ent->filesize +=data;
}
}
iter->index++;
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t datapack_create( imgtool_image *image, imgtool_stream *stream, util::option_resolution *opts)
{
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
static const UINT8 opk_magic[4] = {'O', 'P', 'K', 0x00};
UINT8 pack_head[8] = {0x40, 0x00, 0x59, 0x01, 0x01, 0x01, 0x00, 0x00};
UINT16 checksum;
pack_head[0] |= (opts->lookup_int('R')) ? 0x00 : 0x02;
pack_head[0] |= (opts->lookup_int('P')) ? 0x04 : 0x00;
pack_head[0] |= (opts->lookup_int('W')) ? 0x00 : 0x08;
pack_head[0] |= (opts->lookup_int('B')) ? 0x00 : 0x10;
pack_head[0] |= (opts->lookup_int('C')) ? 0x20 : 0x00;
pack_head[1] = opts->lookup_int('S');
checksum = head_checksum(pack_head);
stream_write(stream, opk_magic, 4);
stream_fill(stream, 0x00, 2);
stream_write(stream, pack_head, 8);
stream_putc(stream, (checksum>>8) & 0xff);
stream_putc(stream, checksum & 0xff);
put_name_record(stream, "MAIN", 0x81, 0x90);
stream_fill(stream, 0xff, 2);
update_opk_head(stream);
pack->stream = stream;
if (update_pack_index(pack))
return IMGTOOLERR_SUCCESS;
else
return IMGTOOLERR_CORRUPTIMAGE;
}
void *imgtool_floppy_extrabytes(imgtool_image *img)
{
struct imgtool_floppy_image *fimg;
fimg = (struct imgtool_floppy_image *) imgtool_image_extra_bytes(img);
return fimg + 1;
}
floppy_image_legacy *imgtool_floppy(imgtool_image *img)
{
struct imgtool_floppy_image *fimg;
fimg = (struct imgtool_floppy_image *) imgtool_image_extra_bytes(img);
return fimg->floppy;
}
static void datapack_close( imgtool_image *image)
{
psion_pack *pack = (psion_pack*)imgtool_image_extra_bytes(image);
stream_close( pack->stream );
}