[PATCH] Fix libdecnumber bootstrap on Tru64 (part 2)

[Richard Earnshaw]

On Tue, 2005-12-20 at 19:02, Gabriel Dos Reis wrote:
> | On Tue, 20 Dec 2005, Richard Earnshaw wrote:
> | > tolower has EOF as part of its input domain, so I think you should
> | > really make u1 and u2 ints; that's the natural type that a function
> 
> I'm not sure I agree with that part:  when char is signed, the
> promotion char -> int does not make positive values that originally
> negative.  So it appears to me that the cast to (unsigned char) is
> necessary.   
> 

Hmm, time to dig out the standard.  The domain of the is... and to...
functions is defined as the domain of unsigned char + EOF.  So it would
seem that Gabby is right.  Sorry, Roger, I guess that means your
original patch was correct after all.

R.