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Re: Autoconf manual's coverage of signed integer overflow & portability


From: Robert Dewar
Subject: Re: Autoconf manual's coverage of signed integer overflow & portability
Date: Tue, 02 Jan 2007 22:04:03 -0500
User-agent: Thunderbird 1.5.0.9 (Windows/20061207)

Richard Kenner wrote:
A few comments:

Many portable C programs assume that signed integer overflow wraps around
reliably using two's complement arithmetic.

I'd replace "portable C programs" with "widely-used C programs".  The normal
use of "portable" means that it conforms to the standard.

Actually the use of portable here is quite appropriate, it emphasizes
that such programs in general are pretty portable *despite* the fact
that they do not conform to the standard.






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