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From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: sign (in)consistency between architectures
Date: Wed, 1 May 2013 20:00:15 +0200	[thread overview]
Message-ID: <20130501180015.GN12689@port70.net> (raw)
In-Reply-To: <51814B3F.4040005@eservices.virginia.edu>

* Z. Gilboa <zg7s@eservices.virginia.edu> [2013-05-01 13:05:03 -0400]:
> The current architecture-specific type definitions
> (arch/*/bits/alltypes.h) seem to entail the following inconsistent
> signed/unsigned types:
> 
> type      x86_64        i386
> -------------------------------
> uid_t     unsigned      signed
> gid_t     unsigned      signed
> dev_t     unsigned      signed
> clock_t   signed        unsigned


i can verify that glibc uses unsigned
uid_t,gid_t,dev_t and signed clock_t

of course applications should not depend on
the signedness, but if they appear in a c++
api then the difference can cause problems

and cock_t may be used in arithmetics where
signedness matters


  reply	other threads:[~2013-05-01 18:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-01 17:05 Z. Gilboa
2013-05-01 18:00 ` Szabolcs Nagy [this message]
2013-05-01 20:00   ` Rich Felker
2013-05-01 22:41     ` Rich Felker
2013-05-02  1:39       ` Z. Gilboa
2013-05-02  2:47         ` Rich Felker
2013-05-02  8:12           ` Jens Gustedt
2013-05-02 10:13             ` Szabolcs Nagy
2013-05-02 12:12               ` Jens Gustedt
2013-05-02 13:08                 ` Szabolcs Nagy

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