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From: Jens Gustedt <jens.gustedt@inria.fr>
To: musl@lists.openwall.com
Subject: Re: Further limits/stdint issues
Date: Wed, 03 Dec 2014 11:38:03 +0100	[thread overview]
Message-ID: <1417603083.4936.1240.camel@eris.loria.fr> (raw)
In-Reply-To: <20141203010204.GA5440@brightrain.aerifal.cx>

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Am Dienstag, den 02.12.2014, 20:02 -0500 schrieb Rich Felker:
> UINT32_MAX and UINT64_MAX lack the U suffix. This probably does not
> matter for UINT64_MAX since the value does not fit in intmax_t, but
> for UINT32_MAX, it will be treated as a signed value at the
> preprocessor level without the U suffix.

right, so I should add such a signed/unsigned preprocessor test to my
test program. (makes it even more ugly)

> It may be possible to eliminate the #if UINTPTR_MAX == UINT64_MAX
> check for defining INT64_C() etc. using an expression that yields the
> right type naturally (e.g. (c)+0*0x7fffffffffffffff etc.) but I'm not
> sure if that's an improvement.

With the patch I proposed, there is no conditional compilation of that
kind anymore.

Jens


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      parent reply	other threads:[~2014-12-03 10:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-03  1:02 Rich Felker
2014-12-03  4:10 ` Glenn Weinberg
2014-12-03  5:03   ` Rich Felker
2014-12-03 16:34     ` Glenn Weinberg
2014-12-03 17:01       ` Rich Felker
2014-12-03 21:08         ` Glenn Weinberg
2014-12-03 10:38 ` Jens Gustedt [this message]

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