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71 wiersze
3.2 KiB
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<!-- received="Tue Dec 8 12:32:30 1998 PST" -->
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<!-- sent="Tue, 8 Dec 1998 20:33:12 +0000 (GMT)" -->
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<!-- name="Nick Lamb" -->
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<!-- email="njl98r@ecs.soton.ac.uk" -->
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<!-- subject="Bit of a rant, bug in PNM" -->
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<title>sane-devel: Bit of a rant, bug in PNM</title>
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<h1>Bit of a rant, bug in PNM</h1>
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<b>Nick Lamb</b> (<a href="mailto:njl98r@ecs.soton.ac.uk"><i>njl98r@ecs.soton.ac.uk</i></a>)<br>
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<i>Tue, 8 Dec 1998 20:33:12 +0000 (GMT)</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#110">[ date ]</a><a href="index.html#110">[ thread ]</a><a href="subject.html#110">[ subject ]</a><a href="author.html#110">[ author ]</a>
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<li> <b>Next message:</b> <a href="0111.html">Wolfgang Kaess: "Internet Message Header"</a>
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<li> <b>Previous message:</b> <a href="0109.html">Kaare Rasmussen: "Re: HP1100A ?"</a>
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<li> <b>Next in thread:</b> <a href="0116.html">David Fox: "Re: Bit of a rant, bug in PNM"</a>
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<li> <b>Reply:</b> <a href="0116.html">David Fox: "Re: Bit of a rant, bug in PNM"</a>
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</ul>
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I'm running SANE 1.0 and the Gnomified front ends from CVS<br>
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<p>
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This is a bit of a rant, because I've been a huge fan of SANE (as an idea)<br>
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without trying to implement it for real, and now I am disappointed :(<br>
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<p>
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<rant><br>
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1. The SANE web pages only list one or two scanners as supported for HP,<br>
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but of course the HP support extends to almost their whole range of SCSI<br>
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scanners. Either this page should tell users what is definitely working,<br>
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(which is almost nothing) or it should tell users what is expected to<br>
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work, given a little effort (which is quite a lot, really).<br>
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<p>
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2. The PNM backend seems to be a quick hack, not really meant to be<br>
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distributed in v1.0 package. I hoped to use it to test my install of<br>
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SANE, but instead I have spent a good hour finding that the<br>
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problem initially thought to be the result of my mistakes is a BUG<br>
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in the PNM backend!<br>
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</rant><br>
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<p>
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The major bug in the PNM device is that it seems to think the<br>
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maximum length parameter to read_sane() is just a suggestion! If<br>
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the PNM device has more data to send, it just writes past the end<br>
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of the buffer, usually resulting in random SEGVs<br>
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It sets the return values correctly, but that's no comfort when<br>
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your other variables have been smashed :(<br>
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<p>
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I can't tell if this bug exists for any other SANE devices.<br>
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<p>
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Nick.<br>
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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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To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0111.html">Wolfgang Kaess: "Internet Message Header"</a>
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<li> <b>Previous message:</b> <a href="0109.html">Kaare Rasmussen: "Re: HP1100A ?"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0116.html">David Fox: "Re: Bit of a rant, bug in PNM"</a>
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<li> <b>Reply:</b> <a href="0116.html">David Fox: "Re: Bit of a rant, bug in PNM"</a>
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<!-- reply="end" -->
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</ul>
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