Re: [PATCH RFC v2] diff: add SUBMODULE_DIFF format to display submodule diff

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On Tue, Aug 9, 2016 at 5:53 PM, Stefan Beller <sbeller@xxxxxxxxxx> wrote:
> This is not used any more, but the child is run directly below?
>               unsigned char one[20], unsigned char two[20])
>> +{
>

Yea I meant to take it all out and forgot. Will be gone in v3.

>
> This pattern seems familar, do we have a function for that?
> (get a submodules git dir? As I was mainly working on the helper
> I do not know off hand)
>

I copied it from somewhere, I didn't see a helper. It's probably worth
making one.

> diff is a FILE* pointer. cp.out is a standard int file descriptor
>
> Maybe you'd want a similar thing as strbuf_getwholeline_fd()
> just instead of adding it to the strbuf, adding it to `f` ?
>

Junio has a much better suggestion in another thread, which I will use.

Thanks,
Jake

> (Which is what you have here? I just wonder about the buffer size,
> as I think reading 1 by 1 is not beneficial)
>
>> +
>> +       c = fgetc(diff);
>> +       while (c != EOF) {
>> +               fputc(c, f);
>> +               c = fgetc(diff);
>> +       }
>> +
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