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dsk_dsk: Don't segfault on empty tracks (fixes einstein 4game)

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This commit is contained in:
Dirk Best 2017-10-25 13:13:54 +02:00
parent ad13bddaf6
commit b4e8282023
1 changed files with 5 additions and 0 deletions
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5
src/lib/formats/dsk_dsk.cpp
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@ -398,6 +398,11 @@ bool dsk_format::load(io_generic *io, uint32_t form_factor, floppy_image *image)
continue; continue;
track_header tr; track_header tr;
io_generic_read(io, &tr,track_offsets[(track<<1)+side],sizeof(tr)); io_generic_read(io, &tr,track_offsets[(track<<1)+side],sizeof(tr));
// skip if there are no sectors in this track
if (tr.number_of_sector == 0)
continue;
desc_pc_sector sects[256]; desc_pc_sector sects[256];
uint8_t sect_data[65536]; uint8_t sect_data[65536];
int sdatapos = 0; int sdatapos = 0;