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Re: [Bug-gnulib] linebreak.c proposed patches for size-calculation overf

From: Bruno Haible
Subject: Re: [Bug-gnulib] linebreak.c proposed patches for size-calculation overflows
Date: Wed, 5 Nov 2003 12:34:40 +0100
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Paul Eggert wrote:
> That won't suffice.  Many platforms have inttypes.h but not stdint.h.
> And there are many platforms where SIZE_MAX is put in some other
> header.

Really? SIZE_MAX is not defined at all in AIX, IRIX, HP-UX (except the
latest version of HP-UX where it's defined in <stdint.h>, as it should be),

> For example, Solaris 9 puts it into <limits.h>.

Then let's #include <limits.h>. That's most likely all that is needed for

> I don't think we can easily find out all the variants in this area; it will
> be a porting hassle with no real payoff.

Being able to use a macro specified by ISO C 99 is "no real payoff" ??

> Then let's just use ((size_t) -1), without any macro.  That won't
> collide with anything.

That would work, and I would take this approach if SIZE_MAX was not already
standardized. But since SIZE_MAX is in ISO C 99, I want to use it.


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