[m-dev.] Re: changes to string module

[Ralph Becket]

Zoltan Somogyi, Friday, 30 January 2009:
> On 30-Jan-2009, Ralph Becket <rafe at csse.unimelb.edu.au> wrote:
> > Hmm.  That constants in question are 0xfe3dbe7f and 0xffffffff.  To get
> > around the overflow check these should be -0x1c24181 and -0x1, but
> > that feels rather unnatural.  Maybe the overflow check should only apply
> > to base 10 numbers?
> 
> Yes, it should. In C's printf, using %x treats the argument as unsigned.

The 0xffffffff constant makes me concerned about 64 bit cleanliness if
the intention is to say "all bits in the word are 1".
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