Re: bin/59942 (dd behaves differently compared to other BSD and GNU implementations when count=0)

["Andrus Suvalau via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR bin/59942; it has been noted by GNATS.

From: Andrus Suvalau <suvalov.andrew%gmail.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kre%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost
Subject: Re: bin/59942 (dd behaves differently compared to other BSD and GNU
 implementations when count=0)
Date: Mon, 26 Jan 2026 05:40:35 +0100

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 Hello,
 
 There is a PR for the patch -
 https://github.com/NetBSD/src/pull/65. I=E2=80=99ve created it after the is=
 sue
 creation. If you would like me to apply your comments and update the PR,
 please just let me know.
 
 I am not familiar with the process, as It is my first issue here :)
 
 Best regards,
 Andrus
 
 W dniu pon., 26 sty 2026 o 04:21 <kre%netbsd.org@localhost> napisa=C5=82(a):
 
 > Synopsis: dd behaves differently compared to other BSD and GNU
 > implementations when count=3D0
 >
 > State-Changed-From-To: open->analyzed
 > State-Changed-By: kre%NetBSD.org@localhost
 > State-Changed-When: Mon, 26 Jan 2026 03:21:09 +0000
 > State-Changed-Why:
 > A boolean (not just count =3D=3D 0) is needed, to distinguish
 > the case of count=3D0 vs simply not giving the count arg at
 > all (no limit) -- the existing code uses count=3D=3D0 as meaning
 > no count given, hence the error for count=3D0
 >
 > Fortunately hoever, the boolean needed is already present
 > in ddflags, so nothing new needs to be added.
 >
 >
 >
 >
 
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 <div dir=3D"auto">Hello,</div><div dir=3D"auto"><br></div><div dir=3D"auto"=
 >There is a PR for the patch -=C2=A0<div style=3D"font-size:inherit" dir=3D=
 "auto"><a href=3D"https://github.com/NetBSD/src/pull/65";>https://github.com=
 /NetBSD/src/pull/65</a>. I=E2=80=99ve created it after the issue creation. =
 If you would like me to apply your comments and update the PR, please just =
 let me know.</div><div style=3D"font-size:inherit" dir=3D"auto"><br></div><=
 div style=3D"font-size:inherit" dir=3D"auto">I am not familiar with the pro=
 cess, as It is my first issue here :)</div><div style=3D"font-size:inherit"=
  dir=3D"auto"><br></div><div style=3D"font-size:inherit" dir=3D"auto">Best =
 regards,</div><div style=3D"font-size:inherit" dir=3D"auto">Andrus</div></d=
 iv><div><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"lt=
 r" class=3D"gmail_attr">W dniu pon., 26 sty 2026 o 04:21 &lt;<a href=3D"mai=
 lto:kre%netbsd.org@localhost">kre%netbsd.org@localhost</a>&gt; napisa=C5=82(a):<br></div><block=
 quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-w=
 idth:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204=
 ,204,204)">Synopsis: dd behaves differently compared to other BSD and GNU i=
 mplementations when count=3D0<br>
 <br>
 State-Changed-From-To: open-&gt;analyzed<br>
 State-Changed-By: kre%NetBSD.org@localhost<br>
 State-Changed-When: Mon, 26 Jan 2026 03:21:09 +0000<br>
 State-Changed-Why:<br>
 A boolean (not just count =3D=3D 0) is needed, to distinguish<br>
 the case of count=3D0 vs simply not giving the count arg at<br>
 all (no limit) -- the existing code uses count=3D=3D0 as meaning<br>
 no count given, hence the error for count=3D0<br>
 <br>
 Fortunately hoever, the boolean needed is already present<br>
 in ddflags, so nothing new needs to be added.<br>
 <br>
 <br>
 <br>
 </blockquote></div></div>
 
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