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Diffstat (limited to 'src/lib/formats/uniflex_dsk.cpp')
-rw-r--r--src/lib/formats/uniflex_dsk.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/formats/uniflex_dsk.cpp b/src/lib/formats/uniflex_dsk.cpp
index 0143bf8cf0e..063d3c877f9 100644
--- a/src/lib/formats/uniflex_dsk.cpp
+++ b/src/lib/formats/uniflex_dsk.cpp
@@ -53,8 +53,9 @@ int uniflex_format::find_size(util::random_read &io, uint32_t form_factor, const
// Look at the SIR sector, the second sector.
uint8_t sir[192];
- size_t actual;
- io.read_at(1 * 512, sir, sizeof(sir), actual);
+ auto const [err, actual] = read_at(io, 1 * 512, sir, sizeof(sir)); // FIXME: check for premature EOF
+ if (err)
+ return -1;
uint16_t fdn_block_count = get_u16be(&sir[0x10]);
uint32_t last_block_number = get_u24be(&sir[0x12]);