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<!-- received="Fri Apr 2 12:11:31 1999 PST" -->
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<!-- sent="Tue, 9 Mar 1999 11:18:54 +0100 (MET)" -->
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<!-- name="Joerg Anders" -->
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<!-- email="J.Anders@Informatik.TU-Chemnitz.DE" -->
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<!-- subject="Error in "mustek.c"" -->
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<!-- id=" " -->
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<title>sane-devel: Error in "mustek.c"</title>
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<h1>Error in "mustek.c"</h1>
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<b>Joerg Anders</b> (<a href="mailto:J.Anders@Informatik.TU-Chemnitz.DE"><i>J.Anders@Informatik.TU-Chemnitz.DE</i></a>)<br>
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<i>Tue, 9 Mar 1999 11:18:54 +0100 (MET)</i>
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<p>
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<ul>
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There is a bug in "sane-xxx/backend/mustek.c". (If think<br>
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even in the version 1.00) at the begining of the<br>
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function "sane_start":<br>
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<p>
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<p>
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/* First make sure we have a current parameter set. Some of the<br>
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parameters will be overwritten below, but that's OK. */<br>
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status = sane_get_parameters (s, 0);<br>
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if (status != SANE_STATUS_GOOD)<br>
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return status;<br>
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<p>
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I inserted:<br>
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<p>
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/* First make sure we have a current parameter set. Some of the<br>
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parameters will be overwritten below, but that's OK. */<br>
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status = sane_get_parameters (s, 0);<br>
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<p>
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/* Changed on 2/24/1998 by J. Anders: */<br>
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<p>
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if (!strcmp(s->val[OPT_SOURCE].s, "Automatic Document Feeder") &&<br>
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!(s->hw->flags & MUSTEK_FLAG_ADF_READY)) {<br>
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return SANE_STATUS_NO_DOCS;<br>
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}<br>
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if (status != SANE_STATUS_GOOD)<br>
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return status;<br>
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<p>
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Otherwise SANE_STATUS_GOOD is returend and if you have an<br>
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automatic document feeder it isn't detectable that no <br>
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paper is in the document feeder.<br>
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<p>
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I tested it with version 0.73. But I think version 1.00 will<br>
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have the same false behaviour.<br>
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<br>
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<p>
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<pre>
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--
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J.Anders, Chemnitz, GERMANY (<a href="mailto:ja@informatik.tu-chemnitz.de">ja@informatik.tu-chemnitz.de</a>)
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<p>
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
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</pre>
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