after i found a simple bug in the vfat driver, i decided to fix it.
i did not know that it would be more than a few lines to change.
since this is a major change (and i dont have the original kernel
installed anymore), i will put the tar.gz with the changes on my homepage
(http://members.tripod.de/x7eggert/vfat-changes.tar.gz).
I cannot find someone who could test it,
but it runs well on my system.
while i did these changes, i used kernel 2.2.15.
since in kernel 2.2.16 the nls-interface has changed,
i will have to rewrite some parts to use the changed interface.
BTW: should the nls-interface be changed to return the number of
converted bytes? this might save one temporary variable.
-----------------------------------------------------------------------
Bug description:
if one character is not in the current codepage (nls_io), it will be
mapped to unicode 0.
while reading filenames, this will terminate the filename at that point.
since this happens while reading, you can get duplicate filenames.
this happened to me while copying files from smbfs (which does not map
codepages) containing ö (ö) in their name.
other bugs i found (and fixed) while fixing this one:
- nls was unused.
- dotsOK caused some trouble if more than one hidden file was in the
direcory
- nls_io was unset for msdosfs (did not harm, since it was unused...
until i activated its use)
- some buffer overflows only occuring with correct name handling
changes:
- dotsOK enabled by default
- short name matching removed
- nonumtail mount-option ignored
- same case in linux and W98 for short names (if uppercase names are
enabled)
- posix option will not work corectly
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