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<TITLE>sane-devel: Re: New CVS snapshot 20000213</TITLE>
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<META NAME="Author" CONTENT="Petter Reinholdtsen (pere@hungry.com)">
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<META NAME="Subject" CONTENT="Re: New CVS snapshot 20000213">
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<H1>Re: New CVS snapshot 20000213</H1>
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<!-- received="Sat Feb 19 01:27:12 2000" -->
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<!-- isoreceived="20000219092712" -->
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<!-- sent="Sat, 19 Feb 2000 17:30:42 +0800" -->
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<!-- isosent="20000219093042" -->
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<!-- name="Petter Reinholdtsen" -->
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<!-- email="pere@hungry.com" -->
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<!-- subject="Re: New CVS snapshot 20000213" -->
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<!-- id="200002190930.RAA29420@minerva.ee.uwa.edu.au" -->
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<!-- inreplyto="New CVS snapshot 20000213" -->
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<STRONG>From:</STRONG> Petter Reinholdtsen (<A HREF="mailto:pere@hungry.com?Subject=Re:%20New%20CVS%20snapshot%2020000213&In-Reply-To=<200002190930.RAA29420@minerva.ee.uwa.edu.au>"><EM>pere@hungry.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Feb 19 2000 - 01:30:42 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0214.html">Petter Reinholdtsen: "Re: New CVS snapshot 20000213"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0212.html">Oliver Rauch: "new umax version 1.0 build 18"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0217.html">Wolfgang Rapp: "Re: New CVS snapshot 20000213"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0217.html">Wolfgang Rapp: "Re: New CVS snapshot 20000213"</A>
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<P>
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<EM>> I compiled the CVS state from yesterday evening with egcs version
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</EM><BR>
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<EM>> 2.91.66/Suse Linux 6.3. The compiler spits out countless warnings
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</EM><BR>
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<EM>> "pointer type void used in integer arithmetic". Most if not all of
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</EM><BR>
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<EM>> there warnings come from memset (13 warnings for each call) and
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</EM><BR>
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<EM>> string functions like strcps or strcmp (3 warnings for each call).
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</EM><BR>
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<P>Strange. The problem is that HP and Irix compilers do not allow
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<BR>
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arithmetics on void pointers. I added this flag to at least make gcc
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<BR>
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give a warning when this was used.
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<BR>
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<P>The 'cast discards qualifiers' warning will also make some compilers
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<BR>
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bail out (I think it is Irix 6.5 compiler). All of these warnings
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<BR>
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should be fixed.
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<BR>
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<P>The only warnings I believe can be safely ignored are 'unused
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<BR>
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parameter' and and 'comparison between signed and unsigned'. I'm not
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<BR>
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to sure about the last one. :-)
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<BR>
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<P>The safest bet is that no warnings means the code will compile on any
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<BR>
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ANSI compiler.
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<BR>
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<P><EM>> Therefore I suggest to remove the flag -Wpointer-arith from the
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</EM><BR>
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<EM>> final release.
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</EM><BR>
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<P>On the final release, I plan to make some of the warnings optional.
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<BR>
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Maybe --enable-warnings or something similar to activate them.
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<BR>
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<PRE>
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--
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##> Petter Reinholdtsen <## | <A HREF="mailto:pere@td.org.uit.no?Subject=Re:%20New%20CVS%20snapshot%2020000213&In-Reply-To=<200002190930.RAA29420@minerva.ee.uwa.edu.au>">pere@td.org.uit.no</A>
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<P>--
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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?Subject=Re:%20New%20CVS%20snapshot%2020000213&In-Reply-To=<200002190930.RAA29420@minerva.ee.uwa.edu.au>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0214.html">Petter Reinholdtsen: "Re: New CVS snapshot 20000213"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0217.html">Wolfgang Rapp: "Re: New CVS snapshot 20000213"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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