Re: size_t changes and 32/64-bit, kernel uio_resid type changed.
At 9:49 PM -0700 8/18/09, Matthew Dillon wrote:
> size_t has been changed to unsigned long (and ssize_t to long). I may
> revert this prior to the release if we hit pkgsrc problems. The change
> will be kept for 64-bit machines.
>
> The change on 32 bit machines seems to do a pretty good job generating
> compiler warnings on 32-bit machines for code that will break on
> 64-bit machines. Because of this I think it is worth seeing how badly
> pkgsrc breaks with the change. If it breaks too much we will revert
> it on 32 bit machines.
Isn't this explicitly wrong? Isn't ssize_t defined as holding all
valid values of size_t, *plus* some extra values which can be used
for error indications?
To quote SUSv3:
"The type ssize_t shall be capable of storing values at least
in the range [-1, {SSIZE_MAX}]"
So are you defining SSIZE_MAX to be smaller than maximum-long?
--
Garance Alistair Drosehn = gad@gilead.netel.rpi.edu
Senior Systems Programmer or gad@freebsd.org
Rensselaer Polytechnic Institute or drosih@rpi.edu
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