size_t changes and 32/64-bit, kernel uio_resid type changed.

[Oliver Fromme]

Garance A Drosihn wrote:
 > 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.
 > 
 > 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?

No, it isn't.

 > 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?

SSIZE_MAX != SIZE_MAX

Best regards
   Oliver

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