diff options
author | 2021-08-22 09:06:15 +1000 | |
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committer | 2021-08-22 09:06:15 +1000 | |
commit | e8bbea1fc6e94e14768509d322f6c624403ffb36 (patch) | |
tree | 74dd1606a900d83de8aecff17a6737af4113308d /src/lib/formats/ibmxdf_dsk.cpp | |
parent | e319bde5fc3696d7f48f62b15b6366c4377fe5d1 (diff) |
formats, osd, util: Started refactoring file I/O stuff. (#8456)
Added more modern generic I/O interfaces with implementation backed by stdio, osd_file and core_file, replacing io_generic. Also replaced core_file's build-in zlib compression with a filter.
unzip.cpp, un7z.cpp: Added option to supply abstract I/O interface rather than filename.
Converted osd_file, core_file, archive_file, chd_file and device_image_interface to use std::error_condition rather than their own error enums.
Allow mounting TI-99 RPK from inside archives.
Diffstat (limited to 'src/lib/formats/ibmxdf_dsk.cpp')
-rw-r--r-- | src/lib/formats/ibmxdf_dsk.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/lib/formats/ibmxdf_dsk.cpp b/src/lib/formats/ibmxdf_dsk.cpp index b18ffad63dc..5a44290a337 100644 --- a/src/lib/formats/ibmxdf_dsk.cpp +++ b/src/lib/formats/ibmxdf_dsk.cpp @@ -32,6 +32,8 @@ #include "ibmxdf_dsk.h" +#include "ioprocs.h" + ibmxdf_format::ibmxdf_format() : wd177x_format(formats) { @@ -52,7 +54,7 @@ const char *ibmxdf_format::extensions() const return "xdf,img"; } -int ibmxdf_format::identify(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants) +int ibmxdf_format::identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) { int type = find_size(io, form_factor, variants); @@ -61,9 +63,11 @@ int ibmxdf_format::identify(io_generic *io, uint32_t form_factor, const std::vec return 0; } -int ibmxdf_format::find_size(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants) +int ibmxdf_format::find_size(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 -1; if (size != 1884160) return -1; @@ -173,7 +177,7 @@ const ibmxdf_format::format ibmxdf_format::formats_head1_track0[] = { {} }; -bool ibmxdf_format::load(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) +bool ibmxdf_format::load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) { int type = find_size(io, form_factor, variants); if(type == -1) @@ -207,8 +211,9 @@ bool ibmxdf_format::load(io_generic *io, uint32_t form_factor, const std::vector desc[16].p1 = get_track_dam_mfm(tf, head, track); build_sector_description(tf, sectdata, sectors, track, head); - int track_size = compute_track_size(f) * 2; // read both sides at once - io_generic_read(io, sectdata, get_image_offset(f, head, track), track_size); + int const track_size = compute_track_size(f) * 2; // read both sides at once + size_t actual; + io.read_at(get_image_offset(f, head, track), sectdata, track_size, actual); generate_track(desc, track, head, sectors, tf.sector_count, total_size, image); } |