Johannes Sixt <j6t@xxxxxxxx> writes: > Am 11.01.22 um 21:18 schrieb Taylor Blau: >> On Tue, Jan 11, 2022 at 09:08:46PM +0100, Johannes Sixt wrote: >>> Am 11.01.22 um 20:41 schrieb Taylor Blau: >>>> On Tue, Jan 11, 2022 at 08:31:47PM +0100, Han-Wen Nienhuys wrote: >>>>> On Tue, Jan 11, 2022 at 8:28 PM Taylor Blau <me@xxxxxxxxxxxx> wrote: >>>>>> In any case, you're only setting the lower half of `min` high. Maybe: >>>>>> >>>>>> uint64_t min = ~0ul; >>>>> >>>>> yeah, that works. >>>> >>>> I'm pretty sure this is OK on 32-bit systems, too, but confirmation from >>>> somebody more confident than I in this area would be welcome :). >>> >>> It does not work on Windows: unsigned long is 32 bits wide. You have to >>> make it >>> >>> uint64_t min = ~(uint64_t)0; >> >> Perfect; this is exactly what I was looking for. Thanks! That sounds perfect. > Actually, on second thought, UINT64_MAX would be even better. I wouldn't introduce use of UINT64_MAX, which "git grep" does not produce any hits for. Unless it is very early in a development cycle, that is, in which case we have enough time to help platforms that are not quite POSIX.
