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Signed-off-by: Keith Packard <keithp@keithp.com>
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Need to be able to see the contents of a log file, even if the logger
is running.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This way, we can distinguish between 'something bad happened' and
'you're at the end of the directory'.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Otherwise, we use stale data and 'bad things' happen.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This makes the mount report precise error information and then prints
that with the 'M' command.
Signed-off-by: Keith Packard <keithp@keithp.com>
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ao_fat_sync() flushes the bufio data to disk along with any fsinfo
changes. ao_fat_full() returns whether the file system is full.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Generalizes the FAT code to deal with either 16-bit or 32-bit
versions. The testing code now runs over a variety of disk images to
check for compatibility on all of them.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Make FAT api provide reasonable error return values, change the tests
to write and then read a pile of files, checking that the contents are
correct (using md5sum).
Signed-off-by: Keith Packard <keithp@keithp.com>
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This adds a fairly primitive FAT16 file system implementation
along with support for SD cards.
Signed-off-by: Keith Packard <keithp@keithp.com>
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