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70 lines
3.5 KiB
HTML
Executable File
70 lines
3.5 KiB
HTML
Executable File
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML>
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<HEAD>
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<TITLE>File-Based Devices</TITLE>
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<LINK REL="stylesheet" HREF="../../../boost.css">
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<LINK REL="stylesheet" HREF="theme/iostreams.css">
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</HEAD>
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<BODY>
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<!-- Begin Banner -->
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<H1 CLASS="title">File-Based Devices</H1>
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<HR CLASS="banner">
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<DL class="page-index">
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<DT><A href="#overview">Overview</A></DT>
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<DT><A href="#headers">Headers</A></DT>
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<DT><A href="#reference">Reference</A></DT>
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<DT><A href="#acknowledgements">Acknowledgments</A></DT>
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</DL>
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<A NAME="overview">
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<H2>Overview</H2>
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<P>The Iostreams Library provides three families of <A HREF="concepts.html#device_concepts">Devices</A> for file access. The class templates <A HREF="classes/file.html#file_source"><CODE>file_source</CODE></A>, <A HREF="classes/file.html#file_sink"><CODE>file_sink</CODE></A> and <A HREF="classes/file.html#file"><CODE>file</CODE></A> are wrappers for <CODE>std::basic_filebuf</CODE> which are <A HREF="http://www.boost.org/libs/utility/CopyConstructible.html">CopyConstructible</A> and <A HREF="http://www.boost.org/libs/utility/Assignable.html">Assignable</A>. The class templates <A HREF="classes/file.html#mapped_file_source"><CODE>mapped_file_source</CODE></A>, <A HREF="classes/file.html#mapped_file_sink"><CODE>mapped_file_sink</CODE></A> and <A HREF="classes/file.html#mapped_file"><CODE>mapped_file</CODE></A> provide access to memory-mapped files on Windows an POSIX. The class templates <A HREF="classes/file.html#file_descriptor_source"><CODE>file_descriptor_source</CODE></A>, <A HREF="classes/file.html#file_descriptor_sink"><CODE>file_descriptor_sink</CODE></A> and <A HREF="classes/file.html#file_descriptor"><CODE>file_descriptor</CODE></A> implement Devices based on native operating system file descriptors.
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<A NAME="headers">
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<H2>Headers</H2>
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<DL>
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<DT><A CLASS="header" HREF="../../../boost/iostreams/device/file.hpp"><CODE><boost/iostreams/device/file.hpp></CODE></A></DT>
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<DT><A CLASS="header" HREF="../../../boost/iostreams/device/mapped_file.hpp"><CODE><boost/iostreams/device/mapped_file.hpp></CODE></A></DT>
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<DT><A CLASS="header" HREF="../../../boost/iostreams/device/file_descriptor.hpp"><CODE><boost/iostreams/device/file_descriptor.hpp></CODE></A></DT>
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</DL>
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<A NAME="reference">
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<H2>Reference</H2>
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<DL>
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<DT><A HREF="classes/file.html">File Wrappers</A></DT>
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<DT><A HREF="classes/mapped_file.html">Memory-Mapped File Devices</A></DT>
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<DT><A HREF="classes/file_descriptor.html">File Descriptor Devices</A></DT>
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</DL>
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<A NAME="acknowledgments">
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<H2>Acknowledgments</H2>
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<P>
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The memory-mapped file Devices are based on work of Craig Henderson (<A CLASS="bib_ref" HREF="bibliography.html#henderson">[Henderson]</A>). The file descriptor Devices are based on work of Nicolai Josuttis (<A CLASS="bib_ref" HREF="bibliography.html#josuttis1">[Josuttis1]</A> <I>pp.</I> 672-3 and <A CLASS="bib_ref" HREF="bibliography.html#josuttis2">[Josuttis2]</A>).
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</P>
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<HR>
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<P CLASS="copyright">Revised
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
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20 May, 2004
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<!--webbot bot="Timestamp" endspan i-checksum="38504" -->
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</P>
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<P CLASS="copyright">© Copyright Jonathan Turkanis, 2004</P>
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<P CLASS="copyright">
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Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <A HREF="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)
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