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<TITLE>sane-devel: Re: OT: Is "fileno()" conform to ANSI or</TITLE>
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<META NAME="Author" CONTENT="Petter Reinholdtsen (pere@hungry.com)">
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<META NAME="Subject" CONTENT="Re: OT: Is "fileno()" conform to ANSI or POSIX?">
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<H1>Re: OT: Is "fileno()" conform to ANSI or POSIX?</H1>
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<STRONG>From:</STRONG> Petter Reinholdtsen (<A HREF="mailto:pere@hungry.com?Subject=Re:%20OT:%20Is%20"fileno()"%20conform%20to%20ANSI%20or%20POSIX?&In-Reply-To=<E14a0HM-0006o3-00@zoot>"><EM>pere@hungry.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Mar 05 2001 - 11:04:20 PST
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<LI><STRONG>Previous message:</STRONG> <A HREF="0072.html">Oliver Rauch: "Re: OT: Is "fileno()" conform to ANSI or POSIX?"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0014.html">Oliver Rauch: "OT: Is "fileno()" conform to ANSI or POSIX?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0075.html">Oliver Rauch: "Re: OT: Is "fileno()" conform to ANSI or POSIX?"</A>
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[Oliver Rauch]
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<BR>
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<EM>> By the way, does anyone know if mmap does anything else than
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</EM><BR>
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<EM>> buffer=malloc(size) + fread(buffer, size, 1, file) ?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> This way I would not depend on mmap and fileno.
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</EM><BR>
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<P>Eh, yes. mmap() maps the file into the process address space, and
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allow you to access the file content without copying it from the
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kernel buffers into your own buffers. (ie the kernel buffers become
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part of the process address space.)
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<BR>
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<P>It is a lot faster than malloc() and fread().
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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:%20OT:%20Is%20"fileno()"%20conform%20to%20ANSI%20or%20POSIX?&In-Reply-To=<E14a0HM-0006o3-00@zoot>">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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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:%20OT:%20Is%20"fileno()"%20conform%20to%20ANSI%20or%20POSIX?&In-Reply-To=<E14a0HM-0006o3-00@zoot>">majordomo@mostang.com</A>
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