[Toybox] [PATCH] Implement `file -`.

[Rob Landley]

I got distracted over the weekend, but lemme see if I can come up with a more
elegant solution this evening before falling back to that plan.

Thanks,

Rob

On 05/07/2018 01:50 PM, enh wrote:
> testing with `cat boot.img | strace file -` it looks like FSF
> allocates a ~10MiB buffer and reads it all in. (rather than copying to
> a temporary file.)
> 
> happy to supply that patch instead if you prefer?
> 
> On Sat, May 5, 2018 at 4:45 PM, Rob Landley <rob at landley.net> wrote:
>> On 05/05/2018 06:19 PM, enh wrote:
>>> AFK, but I'm using glibc too, from Debian testing.
>>
>> I found it, the stdin case is using the stat.length value to see how much to
>> read but never did the stat, so it's uninitialized stack crap. When it's zero...
>>
>> Oops. Oddly enough, the compiler did not complain!
>>
>> Needs a design tweak to figure out what the length _should_ be in this case.
>> Maybe that read-into-memory suggestion with like a 256k cap or something?
>> Working on it...
>>
>> Rob
>