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<!-- received="Sun May 2 15:35:43 1999 PDT" -->
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<!-- sent="Mon, 3 May 1999 00:35:52 +0200" -->
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<!-- name="Petter Reinholdtsen" -->
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<!-- email="pere@hungry.com" -->
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<!-- subject="Re: May sane_init fail?" -->
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<!-- id="199905022235.AAA30375@lee.Cc.Uit.No" -->
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<!-- inreplyto="May sane_init fail?" -->
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<title>sane-devel: Re: May sane_init fail?</title>
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<h1>Re: May sane_init fail?</h1>
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<b>Petter Reinholdtsen</b> (<a href="mailto:pere@hungry.com"><i>pere@hungry.com</i></a>)<br>
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<i>Mon, 3 May 1999 00:35:52 +0200</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#12">[ date ]</a><a href="index.html#12">[ thread ]</a><a href="subject.html#12">[ subject ]</a><a href="author.html#12">[ author ]</a>
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<li> <b>Next message:</b> <a href="0013.html">Petter Reinholdtsen: "Re: AGFA Arcus II"</a>
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<li> <b>Previous message:</b> <a href="0011.html">Bernd Schroeder: "Patch for Microtek V6USL"</a>
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<li> <b>Next in thread:</b> <a href="0015.html">Ingo Wilken: "Re: May sane_init fail?"</a>
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<li> <b>Reply:</b> <a href="0015.html">Ingo Wilken: "Re: May sane_init fail?"</a>
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</ul>
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<i>> What's the suggested return values for a backend/SANE version</i><br>
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<i>> mismatch? I'm currently using SANE_STATUS_UNSUPPORTED (seems</i><br>
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<i>> logical), but SANE_STATUS_INVAL could be used too.</i><br>
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<p>
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Eh, the version_code parameter is supposed to be used to report the<br>
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backends version code, right?<br>
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<p>
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The backend should not check the version present in the buffer, it<br>
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should store it's own version into the buffer.<br>
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<p>
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If a frontend calls multiple backends using the same buffer, one<br>
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backends might get confused if the previous gave a different version<br>
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number.<br>
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<p>
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<i>> BTW, it seems that almost no backend checks the version number, and</i><br>
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<i>> most backends distributed with 1.0.x are listed as version</i><br>
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<i>> 0.something in the "supported scanners" webpage - not good.</i><br>
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<p>
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The backend version number is unrelated to the sane distribution<br>
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version number.<br>
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<pre>
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--
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##> Petter Reinholdtsen <## | <a href="mailto:pere@td.org.uit.no">pere@td.org.uit.no</a>
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O- <SCRIPT Language="Javascript">window.close()</SCRIPT>
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<a href="http://www.hungry.com/~pere/">http://www.hungry.com/~pere/</a> | Go Mozilla, go! Go!
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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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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0013.html">Petter Reinholdtsen: "Re: AGFA Arcus II"</a>
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<li> <b>Previous message:</b> <a href="0011.html">Bernd Schroeder: "Patch for Microtek V6USL"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0015.html">Ingo Wilken: "Re: May sane_init fail?"</a>
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<li> <b>Reply:</b> <a href="0015.html">Ingo Wilken: "Re: May sane_init fail?"</a>
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</ul>
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