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Date: Tue, 21 Feb 2023 17:53:47 +0100
From: "alice" <alice@...ya.dev>
To: <musl@...ts.openwall.com>, "Markus Wichmann" <nullplan@....net>
Subject: Re: Re: [BUG] ioctl: overflow in implicit constant
conversion
On Tue Feb 21, 2023 at 5:42 PM CET, Florian Weimer wrote:
> * Markus Wichmann:
>
> > So this issue could be resolved by simply making the second argument of
> > the ioctl() function unsigned. Does that create ABI issues?
>
> POSIX mandates the int type.
it does, but as it has been mentioned, how is one meant to use the _IOC*
thingies then without leading to UB?
at the end of the day, the libc is on linux only, and so if linux does not
use "int" itself for the api, ...
>
> Thanks,
> Florian
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