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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/112294/">https://git.reviewboard.kde.org/r/112294/</a>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274914#file274914line1465" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/client.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">startClient(volatile int *pid)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pam_putenv</span><span class="p">(</span><span class="n">pamh</span><span class="p">,</span> <span class="n">envbuf</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">you forgot the free(envbuf).
i don't like the interminglig with the other type of setting env vars.
also, it's missing the pam ifdef.
how about putting it right in front of line 1515?
of course that means that hypothetically you also need to cover the !PAM case, which you would do exactly at this place.
i'm not sure it makes sense to bother, tough - i don't suppose a system with systemd but without pam makes much sense?</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274915#file274915line318" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct display {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define dDynamic 6 </span><span class="cm">/* display not restarted when session exits */</span><span class="cp"></span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">the comment is wrong.
but ... i don't think you actually use that type anywhere to start with, which kind of makes sense.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line67" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="n">sd_login_monitor</span> <span class="o">*</span><span class="n">systemdMonitor</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">any particular reason why these are not static?</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line969" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">debug</span><span class="p">(</span><span class="s">"legacy start '%s_%s', status=%d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">d</span><span class="o">-></span><span class="n">name</span><span class="p">,</span> <span class="n">d</span><span class="o">-></span><span class="n">class2</span><span class="o">?</span><span class="n">d</span><span class="o">-></span><span class="n">class2</span><span class="o">:</span><span class="s">"<null>"</span><span class="p">,</span> <span class="n">d</span><span class="o">-></span><span class="n">status</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">add spaces around binary operators.
but ... you actually don't need the conditional at all: my printf implementation guarantees to print "(null)" for that.
repeats several times.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line971" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">((</span><span class="n">d</span><span class="o">-></span><span class="n">class2</span><span class="p">)</span> <span class="o">&&</span> <span class="p">(</span><span class="n">d</span><span class="o">-></span><span class="n">class2</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="sc">'@'</span><span class="p">))</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">the inner parens are unnecessary, in particular the first ones.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1389" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">int</span> <span class="n">check</span> <span class="o">=</span> <span class="n">sd_login_monitor_new</span><span class="p">(</span><span class="s">"seat"</span><span class="p">,</span> <span class="o">&</span><span class="n">systemdMonitor</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">declaration after code ... nope, this is supposed to be c89-compatible.
i prefer "ret" as the name for variables of this kind.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1401" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">systemdMonitorFd</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">instead of resetting it here, it may be better to assign the fd to the temp var first, and assign it "properly" below. it's likely that the compiler will make better code for that, too.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1429" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">((</span><span class="n">at</span> <span class="o">=</span> <span class="n">strchr</span><span class="p">(</span><span class="n">d</span><span class="o">-></span><span class="n">class2</span><span class="p">,</span> <span class="sc">'@'</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">why strchr? that's supposed to be always at [0] i would think ...</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1430" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="o">&</span><span class="n">at</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">seat</span><span class="p">))</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">i strongly prefer at + 1, as otherwise it suggests just a particular array element, which is really not meant.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1431" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">exactMatch</span> <span class="o">=</span> <span class="n">rd</span> <span class="o">=</span> <span class="n">d</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">i'm the guy who prefers a nice and clean goto over setting a variable which works around having a goto. you can jump straight to line 1439 here.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1436" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">logWarn</span><span class="p">(</span><span class="s">"There is no unused or matching dynamic display for %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">seat</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">"no matching unused"</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1456" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">debug</span><span class="p">(</span><span class="s">"checking seat '%s' (graphical:%d)</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="o">*</span><span class="n">seat</span><span class="p">,</span> <span class="n">sd_seat_can_graphical</span><span class="p">(</span><span class="o">*</span><span class="n">seat</span><span class="p">));</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">if you intend to keep this statment: add space after the colon, and assign the value to a temporary, so the function is not called twice (unless it's inline/a macro, then don't bother).</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1464" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">displayFound</span> <span class="o">=</span> <span class="n">True</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">also a case for goto.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1471" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1471</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">hadErrors</span> <span class="o">=</span> <span class="n">True</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">that would be a case for a direct return.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1494" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">int</span> <span class="n">check</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">that would be "ret" again.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1497" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">failures</span><span class="o">++</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">preferably, put that into the if - ++failures >= ...</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1499" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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(Diff revision 7)
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1499</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">logError</span><span class="p">(</span><span class="s">"%u failed calls to sd_get_seats(), disabling systemd multi-seat support</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">SYSTEMD_FAILURE_LIMIT</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">stringify(SYSTEMD_FAILURE_LIMIT) " failed..."</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274916#file274916line1510" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/dm.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1510</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">forEachDisplay</span><span class="p">(</span><span class="n">unmarkDisplay</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">i think that's pointless. the next one who uses the variable will re-init it itself.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274918#file274918line436" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/resource.c</a>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">((</span><span class="n">c<span class="hl">ls</span></span> <span class="o">=</span> <span class="n">strchr</span><span class="p">(</span><span class="o">*</span><span class="n">srv</span><span class="p">,</span> <span class="sc">'_'</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">((</span><span class="n">c<span class="hl">olon</span></span> <span class="o">=</span> <span class="n">strchr</span><span class="p">(</span><span class="o">*</span><span class="n">srv</span><span class="p">,</span> <span class="sc">'<span class="hl">:'</span></span><span class="p"><span class="hl">))</span></span><span class="hl"> </span><span class="o"><span class="hl">&&</span></span><span class="hl"> </span><span class="p"><span class="hl">(</span></span><span class="n"><span class="hl">cls</span></span><span class="hl"> </span><span class="o"><span class="hl">=</span></span><span class="hl"> </span><span class="n"><span class="hl">strchr</span></span><span class="p"><span class="hl">(</span></span><span class="n"><span class="hl">colon</span></span><span class="p"><span class="hl">,</span></span><span class="hl"> </span><span class="sc"><span class="hl">'</span>_'</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">underscores are not permitted in dns names, so the colon thing should be unnecessary.</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274918#file274918line439" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/resource.c</a>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strDup</span><span class="p">(</span><span class="o">&</span><span class="n">class2</span><span class="p">,</span> <span class="n">cls</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strDup</span><span class="p">(</span><span class="o">&</span><span class="n">class2</span><span class="p">,</span> <span class="o"><span class="hl">&</span></span><span class="n">cls</span><span class="p"><span class="hl">[</span></span><span class="mi"><span class="hl">1</span></span><span class="p"><span class="hl">]</span>))</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">cls + 1</pre>
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<a href="https://git.reviewboard.kde.org/r/112294/diff/7/?file=274920#file274920line442" style="color: black; font-weight: bold; text-decoration: underline;">kdm/backend/session.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">openGreeter()</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">env</span> <span class="o">=</span> <span class="n">setEnv</span><span class="p">(</span><span class="n">env</span><span class="p">,</span> <span class="s">"XDG_SEAT"</span><span class="p">,</span> <span class="n">td</span><span class="o">-></span><span class="n">systemdSeat</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">what is the point of that? i don't think the greeter can use this for anything as-is.</pre>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">the docu of StaticServers needs to be extended now.
i'm not sure the review is complete. need to run for work now. ^^</pre>
<p>- Oswald Buddenhagen</p>
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<p>On May 26th, 2014, 12:06 a.m. UTC, Stefan Brüns wrote:</p>
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<div>Review request for kde-workspace and Oswald Buddenhagen.</div>
<div>By Stefan Brüns.</div>
<p style="color: grey;"><i>Updated May 26, 2014, 12:06 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
kde-workspace
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<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;">This patch implements dynamic multiseat in KDM. It follows the description in:
http://www.freedesktop.org/wiki/Software/systemd/writing-display-managers/
In case systemd is no found at compile time, nothing changes. If logind is not running, nothing changes. If no additional seats have been configured (some Plugable USB-GPUs are automatically added as additional seats), nothing changes.
In case there are additional seats beyond seat0, a reserved display is promoted to a local static one (and demoted if the seat is removed) and a new X-Server/greeter is spawned.
The code has been tested extensively, with a combination of [Radeon dedicated GPU|Intel iGPU], [Intel iGPU|Displaylink USB GPU] and others. For history of this patch, see https://bugzilla.redhat.com/show_bug.cgi?id=884271 and https://bugzilla.redhat.com/show_bug.cgi?id=975079</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<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;">Single seat system, several multiseat systems</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>cmake/modules/CMakeLists.txt <span style="color: grey">(117b3a5)</span></li>
<li>kdm/ConfigureChecks.cmake <span style="color: grey">(b61fd90)</span></li>
<li>kdm/backend/CMakeLists.txt <span style="color: grey">(25f383f)</span></li>
<li>kdm/backend/client.c <span style="color: grey">(a2d06c2)</span></li>
<li>kdm/backend/dm.h <span style="color: grey">(b2f8c61)</span></li>
<li>kdm/backend/dm.c <span style="color: grey">(77a2ef7)</span></li>
<li>kdm/backend/dpylist.c <span style="color: grey">(b650c2f)</span></li>
<li>kdm/backend/resource.c <span style="color: grey">(38a8c70)</span></li>
<li>kdm/backend/server.c <span style="color: grey">(d8dd6f3)</span></li>
<li>kdm/backend/session.c <span style="color: grey">(0e7901c)</span></li>
<li>kdm/config-kdm.h.cmake <span style="color: grey">(3e8912d)</span></li>
<li>kdm/kfrontend/kdm_config.c <span style="color: grey">(368c8d1)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/112294/diff/" style="margin-left: 3em;">View Diff</a></p>
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