The following reply was made to PR bin/145748; it has been noted by GNATS.
From: Garrett Cooper <yaneg...@gmail.com>
To: bug-follo...@freebsd.org
Cc:
Subject: Re: bin/145748: hexdump(1) %s format qualifier broken
Date: Fri, 16 Apr 2010 11:58:34 -0700
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Begin forwarded message:
> From: Bruce Evans <b...@optusnet.com.au>
> Date: April 16, 2010 4:25:01 AM PDT
> To: Garrett Cooper <gcoo...@freebsd.org>
> Subject: Re: bin/145748: hexdump(1) %s format qualifier broken
>=20
>>> Description:
>> According to the manpage...
>>=20
>> o A byte count or field precision is required for each =
``s'' con-
>> version character (unlike the fprintf(3) default which =
prints
>> the entire string if the precision is unspecified).
>>=20
>> .. this should just work. It doesn't however:
>>=20
>> $ echo "$(jot -b a 1024)" | hexdump -e '"%4s\n"'
>> hexdump: %s: requires a precision or a byte count
>>> How-To-Repeat:
>> echo "$(jot -b a 1024)" | hexdump -e '"%4s\n"'
>=20
> "4" in %4s" is the field width. "%.4s" has precision 4 and is =
accepted,
> but I don't know what most of this is supposed to do so I don't know =
if
> this actually works.
For future reference...
-Garrett=
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><div><div>Begin forwarded message:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(0, 0, 0, 1);"><b>From: </b></span><span =
style=3D"font-family:'Helvetica'; font-size:medium;">Bruce Evans <<a =
href=3D"mailto:b...@optusnet.com.au";>b...@optusnet.com.au</a>><br></spa=
n></div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: =
0px; margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(0, 0, 0, 1);"><b>Date: </b></span><span =
style=3D"font-family:'Helvetica'; font-size:medium;">April 16, 2010 =
4:25:01 AM PDT<br></span></div><div style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span =
style=3D"font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, =
1);"><b>To: </b></span><span style=3D"font-family:'Helvetica'; =
font-size:medium;">Garrett Cooper <<a =
href=3D"mailto:gcoo...@freebsd.org";>gcoo...@freebsd.org</a>><br></span>=
</div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: =
0px; margin-left: 0px;"><span style=3D"font-family:'Helvetica'; =
font-size:medium; color:rgba(0, 0, 0, 1);"><b>Subject: </b></span><span =
style=3D"font-family:'Helvetica'; font-size:medium;"><b>Re: bin/145748: =
hexdump(1) %s format qualifier =
broken</b><br></span></div><br><div><blockquote type=3D"cite"><blockquote =
type=3D"cite">Description:<br></blockquote></blockquote><blockquote =
type=3D"cite">According to the manpage...<br></blockquote><blockquote =
type=3D"cite"><br></blockquote><blockquote type=3D"cite"> =
o A =
byte count or field precision is required for each ``s'' =
con-<br></blockquote><blockquote type=3D"cite"> =
&n=
bsp;version character (unlike the fprintf(3) default which =
prints<br></blockquote><blockquote type=3D"cite"> =
&n=
bsp;the entire string if the precision is =
unspecified).<br></blockquote><blockquote =
type=3D"cite"><br></blockquote><blockquote type=3D"cite">.. this should =
just work. It doesn't however:<br></blockquote><blockquote =
type=3D"cite"><br></blockquote><blockquote type=3D"cite">$ echo "$(jot =
-b a 1024)" | hexdump -e '"%4s\n"'<br></blockquote><blockquote =
type=3D"cite">hexdump: %s: requires a precision or a byte =
count<br></blockquote><blockquote type=3D"cite"><blockquote =
type=3D"cite">How-To-Repeat:<br></blockquote></blockquote><blockquote =
type=3D"cite">echo "$(jot -b a 1024)" | hexdump -e =
'"%4s\n"'<br></blockquote><br>"4" in %4s" is the field width. =
"%.4s" has precision 4 and is accepted,<br>but I don't know what =
most of this is supposed to do so I don't know if<br>this actually =
works.</div></blockquote></div><br><div>For future =
reference...</div><div>-Garrett</div></body></html>=
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