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ImageDisk loader: don't crash on tracks with no data

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This commit is contained in:
Sergey Svishchev 2017-01-07 19:10:13 +03:00
parent 9143577774
commit 1fda75a0e2
1 changed files with 7 additions and 4 deletions
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11
src/lib/formats/imd_dsk.cpp
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@ -492,10 +492,13 @@ bool imd_format::load(io_generic *io, uint32_t form_factor, floppy_image *image)
}
}
if(fm)
build_pc_track_fm(track, head, image, cell_count, sector_count, sects, gap_3);
else
build_pc_track_mfm(track, head, image, cell_count, sector_count, sects, gap_3);
if(sector_count) {
if(fm) {
build_pc_track_fm(track, head, image, cell_count, sector_count, sects, gap_3);
} else {
build_pc_track_mfm(track, head, image, cell_count, sector_count, sects, gap_3);
}
}
for(int i=0; i<sector_count; i++)
if(sects[i].data && (sects[i].data < &img[0] || sects[i].data >= (&img[0] + size)))