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Diffstat (limited to 'src/lib/formats/csw_cas.cpp')
-rw-r--r-- | src/lib/formats/csw_cas.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/formats/csw_cas.cpp b/src/lib/formats/csw_cas.cpp index db7cf4d4248..3b07576254b 100644 --- a/src/lib/formats/csw_cas.cpp +++ b/src/lib/formats/csw_cas.cpp @@ -288,6 +288,12 @@ static const struct CassetteLegacyWaveFiller csw_legacy_fill_wave = { static cassette_image::error csw_cassette_identify( cassette_image *cassette, struct CassetteOptions *opts ) { + UINT8 header[22]; + + cassette_image_read(cassette, header, 0, sizeof(header)); + if (memcmp(&header[0], CSW_HEADER, sizeof(CSW_HEADER) - 1)) { + return cassette_image::error::INVALID_IMAGE; + } return cassette_legacy_identify( cassette, opts, &csw_legacy_fill_wave ); } |