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Diffstat (limited to 'src/lib/formats/jfd_dsk.cpp')
-rw-r--r--src/lib/formats/jfd_dsk.cpp25
1 files changed, 18 insertions, 7 deletions
diff --git a/src/lib/formats/jfd_dsk.cpp b/src/lib/formats/jfd_dsk.cpp
index 947d6ba4022..7a1da472356 100644
--- a/src/lib/formats/jfd_dsk.cpp
+++ b/src/lib/formats/jfd_dsk.cpp
@@ -158,9 +158,13 @@
*********************************************************************/
-#include <zlib.h>
#include "formats/jfd_dsk.h"
+#include "ioprocs.h"
+
+#include <zlib.h>
+
+
static const uint8_t JFD_HEADER[4] = { 'J', 'F', 'D', 'I' };
static const uint8_t GZ_HEADER[2] = { 0x1f, 0x8b };
@@ -183,11 +187,14 @@ const char *jfd_format::extensions() const
return "jfd";
}
-int jfd_format::identify(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants)
+int jfd_format::identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants)
{
- uint64_t size = io_generic_size(io);
+ uint64_t size;
+ if (io.length(size))
+ return 0;
std::vector<uint8_t> img(size);
- io_generic_read(io, &img[0], 0, size);
+ size_t actual;
+ io.read_at(0, &img[0], size, actual);
int err;
std::vector<uint8_t> gz_ptr(4);
@@ -221,11 +228,15 @@ int jfd_format::identify(io_generic *io, uint32_t form_factor, const std::vector
return 0;
}
-bool jfd_format::load(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image)
+bool jfd_format::load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image)
{
- uint64_t size = io_generic_size(io);
+ uint64_t size;
+ if (io.length(size))
+ return false;
+
std::vector<uint8_t> img(size);
- io_generic_read(io, &img[0], 0, size);
+ size_t actual;
+ io.read_at(0, &img[0], size, actual);
int err;
std::vector<uint8_t> gz_ptr;