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List: kde-core-devel
Subject: Re: Review Request 113779: KInfocenter/OpenGL: fix ReadPipe() in the case that the command cannot be
From: "David Stephen Hubner" <hubnerd () ntlworld ! com>
Date: 2013-11-10 0:43:50
Message-ID: 20131110004350.31140.23501 () vidsolbach ! de
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Ship it!
Looks good to me
- David Stephen Hubner
On Nov. 10, 2013, 12:20 a.m., Wolfgang Bauer wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/113779/
> -----------------------------------------------------------
>
> (Updated Nov. 10, 2013, 12:20 a.m.)
>
>
> Review request for kde-workspace and David Stephen Hubner.
>
>
> Bugs: 327382
> http://bugs.kde.org/show_bug.cgi?id=327382
>
>
> Repository: kde-workspace
>
>
> Description
> -------
>
> ReadPipe() doesn't return 0 as expected in the case that the command is not found. \
> but the length of sh's output which is "command not found" in this case. This is \
> because popen() does not fail if the command is not found, because it _can_ run \
> "sh". (according to the man page, popen calls "/bin/sh -c command") To fix this, \
> ReadPipe() should check the return code of the call to pclose() (see "man pclose"), \
> and return 0 if this is not equal to 0.
>
> Diffs
> -----
>
> kinfocenter/Modules/opengl/opengl.cpp 7df2b17
>
> Diff: http://git.reviewboard.kde.org/r/113779/diff/
>
>
> Testing
> -------
>
> Run KInfocenter on openSUSE, where lspci is in /sbin and that is not in the user's \
> path. Without this patch, 3D Accelerator will be shown as "unknown" (because lspci \
> cannot be run, with this patch it works as intended. I also tried with lspci in \
> /usr/bin/ (i.e. in the path) and completely removed, worked as expected (correct \
> information in the former case, "unknown" in the latter).
>
> Thanks,
>
> Wolfgang Bauer
>
>
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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/113779/">http://git.reviewboard.kde.org/r/113779/</a>
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<p>Ship it!</p>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Looks good to me</pre> \
<br />
<p>- David Stephen Hubner</p>
<br />
<p>On November 10th, 2013, 12:20 a.m. UTC, Wolfgang Bauer wrote:</p>
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<div>Review request for kde-workspace and David Stephen Hubner.</div>
<div>By Wolfgang Bauer.</div>
<p style="color: grey;"><i>Updated Nov. 10, 2013, 12:20 a.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=327382">327382</a>
</div>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
kde-workspace
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">ReadPipe() doesn't return 0 as expected in the case that the command \
is not found. but the length of sh's output which is "command not \
found" in this case. This is because popen() does not fail if the command is not \
found, because it _can_ run "sh". (according to the man page, popen calls \
"/bin/sh -c command") To fix this, ReadPipe() should check the return code \
of the call to pclose() (see "man pclose"), and return 0 if this is not \
equal to 0.
</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">Run KInfocenter on openSUSE, where lspci is in /sbin and that is not in \
the user's path. Without this patch, 3D Accelerator will be shown as \
"unknown" (because lspci cannot be run, with this patch it works as \
intended. I also tried with lspci in /usr/bin/ (i.e. in the path) and completely \
removed, worked as expected (correct information in the former case, \
"unknown" in the latter).</pre> </td>
</tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>kinfocenter/Modules/opengl/opengl.cpp <span style="color: \
grey">(7df2b17)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/113779/diff/" style="margin-left: \
3em;">View Diff</a></p>
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