From: "Tomas Härdin" <git@haerdin.se>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avformat/mxfdec: Don't pretend array to be bigger than it is
Date: Mon, 11 Sep 2023 18:50:36 +0200
Message-ID: <86081aedffc73e87bc3f32fb3e6d3605a7574dfa.camel@haerdin.se> (raw)
In-Reply-To: <AS8P250MB0744AEAC5C889814181E32E58FF2A@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM>
mån 2023-09-11 klockan 18:29 +0200 skrev Andreas Rheinhardt:
> mxf_match_uid() accepts two const UID and a len parameter.
> UID is a typedef for an array of 16 uint8_t, so the const UID
> parameter is actually a pointer to const uint8_t.
>
> The point of mxf_match_uid() is to check whether the initial
> part of two UIDs match; the length of said part is given
> by the len parameter. Once an incomplete UID has been passed
> to mxf_match_uid() (albeit with the correct len, so safe),
> which makes GCC emit -Wstringop-overread warnings.
>
> Fix this by using a const uint8_t[] as type; it is more
> natural for incomplete UIDs.
OK
/Tomas
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prev parent reply other threads:[~2023-09-11 16:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-11 16:29 Andreas Rheinhardt
2023-09-11 16:50 ` Tomas Härdin [this message]
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