Jeff King <peff@xxxxxxxx> writes: >> You mean something like >> >> v->s = xstrfmt("%"PRIdMAX, (intmax_t)oi->disk_size); > > I think elsewhere we simply use PRIuMAX for printing large sizes via > off_t; we know this value isn't going to be negative. > > I'm not opposed to PRIdMAX, which _is_ more accurate, but... > >> P.S.: I wondered whether we have precedent for PRIdMAX, as we used to use >> only PRIuMAX, but yes: JeffH's json-writer uses PRIdMAX. > > That's pretty recent. I won't be surprised if we have to do some > preprocessor trickery to handle that at some point. We have a PRIuMAX > fallback already. That comes from c4001d92be (Use off_t when we really > mean a file offset., 2007-03-06), but it's not clear to me if that was > motivated by a real platform or an over-abundance of caution. > > I'm OK with just using PRIdMAX as appropriate for now. It will serve as > a weather-balloon, and we can #define our way out of it later if need > be. I am OK if we avoid PRIdMAX and use PRIuMAX instead with a cast to the corresponding size in this codepath, as long as we properly handle negative oi.disk_size field, which may be telling some "unusual" condition to us.