FAT FS enhancements

[David Brennan]

Andrew Lunn wrote:

>>>Great. I've made a few minor changes:
>>>
>>>cyg/fs/fat/fatfs.h -> cyg/fs/fat.h
>>>
>>>
>>>      
>>>
>>That was the directory you had told me to put it in. I did not think 
>>that was correct. Just following directions.
>>    
>>
>
>Check the email archive: 
>
>http://ecos.sourceware.org/ml/ecos-patches/2004-10/msg00083.html
>
>  
>
Ok, I cannot read. Yes you were correct. However the reason I picked 
that path is I thought that was what my email said. My bad.

>>You did not change fileio1.c test-case to match this change.
>>    
>>
>
>OK. missed that, i will apply your fix. Strange thing was i ran the
>test case and did not see an obvious failure. [ Goes and runs the test
>again]. Nope, the test does not fail! Could you see if you can find
>out why it does not fail? I will hold off applying the fix until it
>does fail.
>
>        Andrew
>
>  
>
I think I know what the problem is. the file system functions do not 
actually return their error codes. They return -1, and set errno. EPERM 
happens to be 1, which when I first ran this, I assumed that it was just 
a sign problems, and reversed my signs in the checks.  Attached is an 
attempt at a patch. However, I still can't get my home target to access 
the HD, so I cannot test it. I can test it on Monday and give you the 
results.

David


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