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Is there a UDF filesystem driver for DOS? (Users)

posted by Zyzzle, 08.06.2013, 13:03

> OK, so, ISO9660+UDF 1.02 and files over 2GB
> is about all we can hope for in DOS
>

No, as I've now tested, we can only hope for a UDF driver in the future for DOS. DOS can read ISO9660 just fine, and most DVDs are issued with both ISO9660 and UDF 1.02 filesystem structures. So, DOS can see them just fine, because of the bridge (=dual) format. DOS does not see the UDF 1.02 files, only the ISO9660 files.


> 4B_200M.MP4 4200000000 5-20-13 7:16p
> 1 File(s) 0 bytes free
 ?
Were you able to read the entire 4 GB file directly? How is it possible to seek past > 2GB in DOS? I've been trying to figure it out for some time. DOS uses signed 32-bit integers for fileseek. We need to get it to use unsigned 32-bit seeks in order to read the full 4 GiB - 1 limit of 32 bits. Any patches?

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