Re: Potential issue in sparse_file()

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On Fri, Jun 16, 2017 at 9:44 AM, Christopher Li <sparse@xxxxxxxxxxx> wrote:
> On Fri, Jun 16, 2017 at 5:33 AM, Dibyendu Majumdar
> <mobile@xxxxxxxxxxxxxxx> wrote:
>> Hi,
>>
>> I noticed that sparse_file() closes the file descriptor even when it
>> is 0. Is this the intended behavior?
>
> I don't see a problem with it. The tokenize_stream() will keep reading
> the file descriptor until it hit EOF.
>
> If the stander input (file descriptor 0) already hit EOF, there is not much
> you can read from it any way. You might just as well close it.

That being said, the more correct behavior is adding a test,
 only close it when it is not zero. It will have impact on if some one
give the '-' twice to sparse.

I will accept a patch like that.

Chris
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