diff options
Diffstat (limited to 'src/lib/formats/jfd_dsk.cpp')
-rw-r--r-- | src/lib/formats/jfd_dsk.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/formats/jfd_dsk.cpp b/src/lib/formats/jfd_dsk.cpp index 08d5dda91b7..b9ea2d55fb4 100644 --- a/src/lib/formats/jfd_dsk.cpp +++ b/src/lib/formats/jfd_dsk.cpp @@ -192,8 +192,9 @@ const char *jfd_format::extensions() const int jfd_format::identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const { uint64_t size; - if (io.length(size)) + if (io.length(size) || !size) return 0; + std::vector<uint8_t> img(size); size_t actual; io.read_at(0, &img[0], size, actual); @@ -224,7 +225,7 @@ int jfd_format::identify(util::random_read &io, uint32_t form_factor, const std: } if (!memcmp(&img[0], JFD_HEADER, sizeof(JFD_HEADER))) { - return 100; + return FIFID_SIGN; } return 0; |