static imgtoolerr_t rsdos_diskimage_nextenum(imgtool::directory &enumeration, imgtool_dirent &ent)
{
floperr_t ferr;
imgtoolerr_t err;
size_t filesize;
rsdos_direnum *rsenum;
rsdos_dirent rsent;
imgtool::image &image(enumeration.image());
rsenum = (rsdos_direnum *) enumeration.extra_bytes();
/* Did we hit the end of file before? */
if (rsenum->eof)
goto eof;
do
{
if (rsenum->index >= MAX_DIRENTS)
goto eof;
ferr = get_rsdos_dirent(image, rsenum->index++, rsent);
if (ferr)
return imgtool_floppy_error(ferr);
}
while(rsent.filename[0] == '\0');
// now are we at the eof point?
if (rsent.filename[0] == -1)
{
rsenum->eof = 1;
eof:
ent.eof = 1;
}
else
{
/* Not the end of file */
err = process_rsdos_file(&rsent, image, nullptr, filesize);
if (err)
return err;
if (filesize == ((size_t) -1))
{
/* corrupt! */
ent.filesize = 0;
ent.corrupt = 1;
}
else
{
ent.filesize = filesize;
ent.corrupt = 0;
}
ent.eof = 0;
std::string fname = get_dirent_fname(rsent);
snprintf(ent.filename, ARRAY_LENGTH(ent.filename), "%s", fname.c_str());
snprintf(ent.attr, ARRAY_LENGTH(ent.attr), "%d %c", (int) rsent.ftype, (char) (rsent.asciiflag + 'B'));
}
return IMGTOOLERR_SUCCESS;
}
static imgtoolerr_t rsdos_diskimage_readfile(imgtool::partition &partition, const char *fname, const char *fork, imgtool::stream &destf)
{
imgtoolerr_t err;
struct rsdos_dirent ent;
size_t size;
imgtool::image &img(partition.image());
err = lookup_rsdos_file(img, fname, ent);
if (err)
return err;
err = process_rsdos_file(&ent, img, &destf, size);
if (err)
return err;
if (size == (size_t) -1)
return IMGTOOLERR_CORRUPTIMAGE;
return (imgtoolerr_t)0;
}
static imgtoolerr_t rsdos_diskimage_readfile(imgtool_partition *partition, const char *fname, const char *fork, imgtool_stream *destf)
{
imgtoolerr_t err;
struct rsdos_dirent ent;
size_t size;
imgtool_image *img = imgtool_partition_image(partition);
err = lookup_rsdos_file(img, fname, &ent, NULL);
if (err)
return err;
err = process_rsdos_file(&ent, img, destf, &size);
if (err)
return err;
if (size == (size_t) -1)
return IMGTOOLERR_CORRUPTIMAGE;
return (imgtoolerr_t)0;
}
static imgtoolerr_t rsdos_diskimage_nextenum(imgtool_directory *enumeration, imgtool_dirent *ent)
{
floperr_t ferr;
imgtoolerr_t err;
size_t filesize;
struct rsdos_direnum *rsenum;
struct rsdos_dirent rsent;
char fname[13];
imgtool_image *image;
image = imgtool_directory_image(enumeration);
rsenum = (struct rsdos_direnum *) imgtool_directory_extrabytes(enumeration);
/* Did we hit the end of file before? */
if (rsenum->eof)
goto eof;
do
{
if (rsenum->index >= MAX_DIRENTS)
goto eof;
ferr = get_rsdos_dirent(image, rsenum->index++, &rsent);
if (ferr)
return imgtool_floppy_error(ferr);
}
while(rsent.fname[0] == '\0');
/* Now are we at the eof point? */
if (rsent.fname[0] == -1)
{
rsenum->eof = 1;
eof:
ent->eof = 1;
}
else
{
/* Not the end of file */
err = process_rsdos_file(&rsent, image, NULL, &filesize);
if (err)
return err;
if (filesize == ((size_t) -1))
{
/* corrupt! */
ent->filesize = 0;
ent->corrupt = 1;
}
else
{
ent->filesize = filesize;
ent->corrupt = 0;
}
ent->eof = 0;
get_dirent_fname(fname, &rsent);
snprintf(ent->filename, ARRAY_LENGTH(ent->filename), "%s", fname);
snprintf(ent->attr, ARRAY_LENGTH(ent->attr), "%d %c", (int) rsent.ftype, (char) (rsent.asciiflag + 'B'));
}
return IMGTOOLERR_SUCCESS;
}
