On Fri, Aug 7, 2015 at 3:51 AM, Eric Sunshine <sunshine@xxxxxxxxxxxxxx> wrote:
> On Tue, Aug 4, 2015 at 8:42 AM, Karthik Nayak <karthik.188@xxxxxxxxx> wrote:
>> Introduce a strbuf `output` which will act as a substitute rather than
>> printing directly to stdout. This will be used for formatting
>> eventually.
>>
>> Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
>> ---
>> diff --git a/ref-filter.c b/ref-filter.c
>> index 46963a5..91482c9 100644
>> --- a/ref-filter.c
>> +++ b/ref-filter.c
>> @@ -1278,9 +1275,12 @@ void show_ref_array_item(struct ref_array_item *info, const char *format, int qu
>> if (color_parse("reset", color) < 0)
>> die("BUG: couldn't parse 'reset' as a color");
>> resetv.s = color;
>> - print_value(&resetv, quote_style);
>> + print_value(&resetv, quote_style, &output);
>> }
>> + for (i = 0; i < output.len; i++)
>> + printf("%c", output.buf[i]);
>
> Everything up to this point seems straightforward, however, it's not
> clear why you need to emit 'output' one character at a time. Is it
> because it might contain a NUL '\0' character and therefore you can't
> use the simpler printf("%s", output.buf)?
>
> If that's the case, then why not just use fwrite() to emit it all at once?
>
> fwrite(output.buf, output.len, 1, stdout);
>
It was to avoid the printing to stop at '\0' as you mentioned.
I've never come across such a situation before, so I looked for
similar implementations online, and found the individual character printing.
Thanks `fwrite` seems neater.
--
Regards,
Karthik Nayak
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