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Re: [PATCH v2] xgethostname: handle long hostnames

Jeff King <peff@xxxxxxxx> writes:

> I doubt that doing it in one call matters. It's not like stdio promises
> us any atomicity in the first place.
>> -			fscanf(fp, "%"SCNuMAX" %127c", &pid, locking_host) == 2 &&
>> +			fscanf(fp, "%"SCNuMAX" ", &pid) == 1 &&
>> +			!strbuf_getwholeline(&locking_host, fp, '\0') &&
> I don't think there is anything wrong with using fscanf here, but it has
> enough pitfalls in general that I don't really like its use as a parser
> (and the general lack of it in Git's code base seems to agree).
> I wonder if this should just read a line (or the whole file) into a
> strbuf and parse it there. That would better match our usual style, I
> think.

Yeah, I think it would be a good change.