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-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="book" lang="en">
+<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div lang="en" class="book" title="bzip2 and libbzip2, version 1.0.6">
<div class="titlepage">
<div>
<div><h1 class="title">
-<a name="userman"></a>bzip2 and libbzip2, version 1.0.5</h1></div>
+<a name="userman"></a>bzip2 and libbzip2, version 1.0.6</h1></div>
<div><h2 class="subtitle">A program and library for data compression</h2></div>
<div><div class="authorgroup"><div class="author">
<h3 class="author">
</h3>
<div class="affiliation"><span class="orgname">http://www.bzip.org<br></span></div>
</div></div></div>
-<div><p class="releaseinfo">Version 1.0.5 of 10 December 2007</p></div>
-<div><p class="copyright">Copyright © 1996-2007 Julian Seward</p></div>
-<div><div class="legalnotice">
-<a name="id
2499833"></a><p>This program, <code class="computeroutput">bzip2</code>, the
+<div><p class="releaseinfo">Version 1.0.6 of 6 September 2010</p></div>
+<div><p class="copyright">Copyright © 1996-2010 Julian Seward</p></div>
+<div><div class="legalnotice" title="Legal Notice">
+<a name="id
537185"></a><p>This program, <code class="computeroutput">bzip2</code>, the
associated library <code class="computeroutput">libbzip2</code>, and
- all documentation, are copyright © 1996-2007 Julian Seward.
+ all documentation, are copyright © 1996-2010 Julian Seward.
All rights reserved.</p>
<p>Redistribution and use in source and binary forms, with
or without modification, are permitted provided that the
following conditions are met:</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p>Redistributions of source code must retain the
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p>Redistributions of source code must retain the
above copyright notice, this list of conditions and the
following disclaimer.</p></li>
-<li style="list-style-type: disc"><p>The origin of this software must not be
+<li
class="listitem" style="list-style-type: disc"><p>The origin of this software must not be
misrepresented; you must not claim that you wrote the original
software. If you use this software in a product, an
acknowledgment in the product documentation would be
appreciated but is not required.</p></li>
-<li style="list-style-type: disc"><p>Altered source versions must be plainly marked
+<li
class="listitem" style="list-style-type: disc"><p>Altered source versions must be plainly marked
as such, and must not be misrepresented as being the original
software.</p></li>
-<li style="list-style-type: disc"><p>The name of the author may not be used to
+<li
class="listitem" style="list-style-type: disc"><p>The name of the author may not be used to
endorse or promote products derived from this software without
specific prior written permission.</p></li>
</ul></div>
<dt><span class="sect1"><a href="#err-handling">3.2. Error handling</a></span></dt>
<dt><span class="sect1"><a href="#low-level">3.3. Low-level interface</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzcompress-init">3.3.1. <code class="computeroutput">BZ2_bzCompressInit</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzCompress">3.3.2. <code class="computeroutput">BZ2_bzCompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzCompress-end">3.3.3. <code class="computeroutput">BZ2_bzCompressEnd</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress-init">3.3.4. <code class="computeroutput">BZ2_bzDecompressInit</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress">3.3.5. <code class="computeroutput">BZ2_bzDecompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress-end">3.3.6. <code class="computeroutput">BZ2_bzDecompressEnd</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzcompress-init">3.3.1. BZ2_bzCompressInit</a></span></dt>
+<dt><span class="sect2"><a href="#bzCompress">3.3.2. BZ2_bzCompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzCompress-end">3.3.3. BZ2_bzCompressEnd</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress-init">3.3.4. BZ2_bzDecompressInit</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress">3.3.5. BZ2_bzDecompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress-end">3.3.6. BZ2_bzDecompressEnd</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#hl-interface">3.4. High-level interface</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzreadopen">3.4.1. <code class="computeroutput">BZ2_bzReadOpen</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzread">3.4.2. <code class="computeroutput">BZ2_bzRead</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzreadgetunused">3.4.3. <code class="computeroutput">BZ2_bzReadGetUnused</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzreadclose">3.4.4. <code class="computeroutput">BZ2_bzReadClose</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwriteopen">3.4.5. <code class="computeroutput">BZ2_bzWriteOpen</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwrite">3.4.6. <code class="computeroutput">BZ2_bzWrite</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwriteclose">3.4.7. <code class="computeroutput">BZ2_bzWriteClose</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzreadopen">3.4.1. BZ2_bzReadOpen</a></span></dt>
+<dt><span class="sect2"><a href="#bzread">3.4.2. BZ2_bzRead</a></span></dt>
+<dt><span class="sect2"><a href="#bzreadgetunused">3.4.3. BZ2_bzReadGetUnused</a></span></dt>
+<dt><span class="sect2"><a href="#bzreadclose">3.4.4. BZ2_bzReadClose</a></span></dt>
+<dt><span class="sect2"><a href="#bzwriteopen">3.4.5. BZ2_bzWriteOpen</a></span></dt>
+<dt><span class="sect2"><a href="#bzwrite">3.4.6. BZ2_bzWrite</a></span></dt>
+<dt><span class="sect2"><a href="#bzwriteclose">3.4.7. BZ2_bzWriteClose</a></span></dt>
<dt><span class="sect2"><a href="#embed">3.4.8. Handling embedded compressed data streams</a></span></dt>
<dt><span class="sect2"><a href="#std-rdwr">3.4.9. Standard file-reading/writing code</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#util-fns">3.5. Utility functions</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzbufftobuffcompress">3.5.1. <code class="computeroutput">BZ2_bzBuffToBuffCompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzbufftobuffdecompress">3.5.2. <code class="computeroutput">BZ2_bzBuffToBuffDecompress</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzbufftobuffcompress">3.5.1. BZ2_bzBuffToBuffCompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzbufftobuffdecompress">3.5.2. BZ2_bzBuffToBuffDecompress</a></span></dt>
</dl></dd>
-<dt><span class="sect1"><a href="#zlib-compat">3.6. <code class="computeroutput">zlib</code> compatibility functions</a></span></dt>
-<dt><span class="sect1"><a href="#stdio-free">3.7. Using the library in a <code class="computeroutput">stdio</code>-free environment</a></span></dt>
+<dt><span class="sect1"><a href="#zlib-compat">3.6. zlib compatibility functions</a></span></dt>
+<dt><span class="sect1"><a href="#stdio-free">3.7. Using the library in a stdio-free environment</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#stdio-bye">3.7.1. Getting rid of <code class="computeroutput">stdio</code></a></span></dt>
+<dt><span class="sect2"><a href="#stdio-bye">3.7.1. Getting rid of stdio</a></span></dt>
<dt><span class="sect2"><a href="#critical-error">3.7.2. Critical error handling</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#win-dll">3.8. Making a Windows DLL</a></span></dt>
</dl></dd>
</dl>
</div>
-<div class="chapter" lang="en">
+<div class="chapter" title="1. Introduction">
<div class="titlepage"><div><div><h2 class="title">
<a name="intro"></a>1. Introduction</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> compresses files
library interface. Most of the manual is devoted to this
library, not the program, which is good news if your interest is
only in the program.</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p><a href="#using">How to use bzip2</a> describes how to use
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li class="listitem" style="list-style-type: disc"><p><a class="xref" href="#using" title="2. How to use bzip2">How to use bzip2</a> describes how to use
<code class="computeroutput">bzip2</code>; this is the only part
you need to read if you just want to know how to operate the
program.</p></li>
-<li style="list-style-type: disc"><p><a href="#libprog">Programming with libbzip2</a> describes the
+<li class="listitem" style="list-style-type: disc"><p><a class="xref" href="#libprog" title="3. Programming with libbzip2">Programming with libbzip2</a> describes the
programming interfaces in detail, and</p></li>
-<li style="list-style-type: disc"><p><a href="#misc">Miscellanea</a> records some
+<li class="listitem" style="list-style-type: disc"><p><a class="xref" href="#misc" title="4. Miscellanea">Miscellanea</a> records some
miscellaneous notes which I thought ought to be recorded
somewhere.</p></li>
</ul></div>
</div>
-<div class="chapter" lang="en">
+<div class="chapter" title="2. How to use bzip2">
<div class="titlepage"><div><div><h2 class="title">
<a name="using"></a>2. How to use bzip2</h2></div></div></div>
<div class="toc">
<p>This chapter contains a copy of the
<code class="computeroutput">bzip2</code> man page, and nothing
else.</p>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.1. NAME">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="name"></a>2.1. NAME</h2></div></div></div>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p><code class="computeroutput">bzip2</code>,
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzip2</code>,
<code class="computeroutput">bunzip2</code> - a block-sorting file
- compressor, v1.0.4</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bzcat</code> -
+ compressor, v1.0.6</p></li>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzcat</code> -
decompresses files to stdout</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bzip2recover</code> -
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzip2recover</code> -
recovers data from damaged bzip2 files</p></li>
</ul></div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.2. SYNOPSIS">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="synopsis"></a>2.2. SYNOPSIS</h2></div></div></div>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p><code class="computeroutput">bzip2</code> [
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzip2</code> [
-cdfkqstvzVL123456789 ] [ filenames ... ]</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bunzip2</code> [
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bunzip2</code> [
-fkvsVL ] [ filenames ... ]</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bzcat</code> [ -s ] [
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzcat</code> [ -s ] [
filenames ... ]</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bzip2recover</code>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzip2recover</code>
filename</p></li>
</ul></div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.3. DESCRIPTION">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="description"></a>2.3. DESCRIPTION</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> compresses files
<code class="computeroutput">bzip2</code> attempts to guess the
filename for the decompressed file from that of the compressed
file as follows:</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p><code class="computeroutput">filename.bz2 </code>
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">filename.bz2 </code>
becomes
<code class="computeroutput">filename</code></p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">filename.bz </code>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">filename.bz </code>
becomes
<code class="computeroutput">filename</code></p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">filename.tbz2</code>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">filename.tbz2</code>
becomes
<code class="computeroutput">filename.tar</code></p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">filename.tbz </code>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">filename.tbz </code>
becomes
<code class="computeroutput">filename.tar</code></p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">anyothername </code>
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">anyothername </code>
becomes
<code class="computeroutput">anyothername.out</code></p></li>
</ul></div>
consistency error (eg, bug) which caused
<code class="computeroutput">bzip2</code> to panic.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.4. OPTIONS">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="options"></a>2.4. OPTIONS</h2></div></div></div>
<div class="variablelist"><dl>
the same figure, at the expense of your compression ratio. In
short, if your machine is low on memory (8 megabytes or less),
use <code class="computeroutput">-s</code> for everything. See
- <a href="#memory-management">MEMORY MANAGEMENT</a> below.</p>
+ <a class="xref" href="#memory-management" title="2.5. MEMORY MANAGEMENT">MEMORY MANAGEMENT</a> below.</p>
</dd>
<dt><span class="term"><code class="computeroutput">-q --quiet</code></span></dt>
<dd><p>Suppress non-essential warning messages.
<code class="computeroutput">-9</code> (or
<code class="computeroutput">-best</code>)</span></dt>
<dd><p>Set the block size to 100 k, 200 k ... 900 k
- when compressing. Has no effect when decompressing. See <a href="#memory-management">MEMORY MANAGEMENT</a> below. The
+ when compressing. Has no effect when decompressing. See <a class="xref" href="#memory-management" title="2.5. MEMORY MANAGEMENT">MEMORY MANAGEMENT</a> below. The
<code class="computeroutput">--fast</code> and
<code class="computeroutput">--best</code> aliases are primarily
for GNU <code class="computeroutput">gzip</code> compatibility.
renders these flags irrelevant.</p></dd>
</dl></div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.5. MEMORY MANAGEMENT">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="memory-management"></a>2.5. MEMORY MANAGEMENT</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> compresses large
-8 6800k 3300k 2100k 828642
-9 7600k 3700k 2350k 828642</pre>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.6. RECOVERING DATA FROM DAMAGED FILES">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="recovering"></a>2.6. RECOVERING DATA FROM DAMAGED FILES</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> compresses files in
loss through media or transmission errors, you might consider
compressing with a smaller block size.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.7. PERFORMANCE NOTES">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="performance"></a>2.7. PERFORMANCE NOTES</h2></div></div></div>
<p>The sorting phase of compression gathers together similar
<code class="computeroutput">bzip2</code> will perform best on
machines with very large caches.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.8. CAVEATS">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="caveats"></a>2.8. CAVEATS</h2></div></div></div>
<p>I/O error messages are not as helpful as they could be.
<code class="computeroutput">bzip2</code> tries hard to detect I/O
errors and exit cleanly, but the details of what the problem is
sometimes seem rather misleading.</p>
-<p>This manual page pertains to version 1.0.5 of
+<p>This manual page pertains to version 1.0.6 of
<code class="computeroutput">bzip2</code>. Compressed data created by
this version is entirely forwards and backwards compatible with the
previous public releases, versions 0.1pl2, 0.9.0 and 0.9.5, 1.0.0,
<code class="computeroutput">MaybeUInt64</code> set to be an
unsigned 64-bit integer.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="2.9. AUTHOR">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="author"></a>2.9. AUTHOR</h2></div></div></div>
<p>Julian Seward,
advice and were generally helpful.</p>
</div>
</div>
-<div class="chapter" lang="en">
+<div class="chapter" title="3. Programming with libbzip2">
<div class="titlepage"><div><div><h2 class="title">
<a name="libprog"></a>3.
Programming with <code class="computeroutput">libbzip2</code>
<dt><span class="sect1"><a href="#err-handling">3.2. Error handling</a></span></dt>
<dt><span class="sect1"><a href="#low-level">3.3. Low-level interface</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzcompress-init">3.3.1. <code class="computeroutput">BZ2_bzCompressInit</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzCompress">3.3.2. <code class="computeroutput">BZ2_bzCompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzCompress-end">3.3.3. <code class="computeroutput">BZ2_bzCompressEnd</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress-init">3.3.4. <code class="computeroutput">BZ2_bzDecompressInit</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress">3.3.5. <code class="computeroutput">BZ2_bzDecompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzDecompress-end">3.3.6. <code class="computeroutput">BZ2_bzDecompressEnd</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzcompress-init">3.3.1. BZ2_bzCompressInit</a></span></dt>
+<dt><span class="sect2"><a href="#bzCompress">3.3.2. BZ2_bzCompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzCompress-end">3.3.3. BZ2_bzCompressEnd</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress-init">3.3.4. BZ2_bzDecompressInit</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress">3.3.5. BZ2_bzDecompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzDecompress-end">3.3.6. BZ2_bzDecompressEnd</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#hl-interface">3.4. High-level interface</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzreadopen">3.4.1. <code class="computeroutput">BZ2_bzReadOpen</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzread">3.4.2. <code class="computeroutput">BZ2_bzRead</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzreadgetunused">3.4.3. <code class="computeroutput">BZ2_bzReadGetUnused</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzreadclose">3.4.4. <code class="computeroutput">BZ2_bzReadClose</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwriteopen">3.4.5. <code class="computeroutput">BZ2_bzWriteOpen</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwrite">3.4.6. <code class="computeroutput">BZ2_bzWrite</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzwriteclose">3.4.7. <code class="computeroutput">BZ2_bzWriteClose</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzreadopen">3.4.1. BZ2_bzReadOpen</a></span></dt>
+<dt><span class="sect2"><a href="#bzread">3.4.2. BZ2_bzRead</a></span></dt>
+<dt><span class="sect2"><a href="#bzreadgetunused">3.4.3. BZ2_bzReadGetUnused</a></span></dt>
+<dt><span class="sect2"><a href="#bzreadclose">3.4.4. BZ2_bzReadClose</a></span></dt>
+<dt><span class="sect2"><a href="#bzwriteopen">3.4.5. BZ2_bzWriteOpen</a></span></dt>
+<dt><span class="sect2"><a href="#bzwrite">3.4.6. BZ2_bzWrite</a></span></dt>
+<dt><span class="sect2"><a href="#bzwriteclose">3.4.7. BZ2_bzWriteClose</a></span></dt>
<dt><span class="sect2"><a href="#embed">3.4.8. Handling embedded compressed data streams</a></span></dt>
<dt><span class="sect2"><a href="#std-rdwr">3.4.9. Standard file-reading/writing code</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#util-fns">3.5. Utility functions</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#bzbufftobuffcompress">3.5.1. <code class="computeroutput">BZ2_bzBuffToBuffCompress</code></a></span></dt>
-<dt><span class="sect2"><a href="#bzbufftobuffdecompress">3.5.2. <code class="computeroutput">BZ2_bzBuffToBuffDecompress</code></a></span></dt>
+<dt><span class="sect2"><a href="#bzbufftobuffcompress">3.5.1. BZ2_bzBuffToBuffCompress</a></span></dt>
+<dt><span class="sect2"><a href="#bzbufftobuffdecompress">3.5.2. BZ2_bzBuffToBuffDecompress</a></span></dt>
</dl></dd>
-<dt><span class="sect1"><a href="#zlib-compat">3.6. <code class="computeroutput">zlib</code> compatibility functions</a></span></dt>
-<dt><span class="sect1"><a href="#stdio-free">3.7. Using the library in a <code class="computeroutput">stdio</code>-free environment</a></span></dt>
+<dt><span class="sect1"><a href="#zlib-compat">3.6. zlib compatibility functions</a></span></dt>
+<dt><span class="sect1"><a href="#stdio-free">3.7. Using the library in a stdio-free environment</a></span></dt>
<dd><dl>
-<dt><span class="sect2"><a href="#stdio-bye">3.7.1. Getting rid of <code class="computeroutput">stdio</code></a></span></dt>
+<dt><span class="sect2"><a href="#stdio-bye">3.7.1. Getting rid of stdio</a></span></dt>
<dt><span class="sect2"><a href="#critical-error">3.7.2. Critical error handling</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="#win-dll">3.8. Making a Windows DLL</a></span></dt>
<code class="computeroutput">libbzip2</code>.</p>
<p>For general background information, particularly about
memory use and performance aspects, you'd be well advised to read
-<a href="#using">How to use bzip2</a> as well.</p>
-<div class="sect1" lang="en">
+<a class="xref" href="#using" title="2. How to use bzip2">How to use bzip2</a> as well.</p>
+<div class="sect1" title="3.1. Top-level structure">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="top-level"></a>3.1. Top-level structure</h2></div></div></div>
<p><code class="computeroutput">libbzip2</code> is a flexible
<p>To use any part of the library, you need to
<code class="computeroutput">#include <bzlib.h></code>
into your sources.</p>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.1.1. Low-level summary">
<div class="titlepage"><div><div><h3 class="title">
<a name="ll-summary"></a>3.1.1. Low-level summary</h3></div></div></div>
<p>This interface provides services for compressing and
consumer-pull style of activity, or producer-push, or a mixture
of both.</p>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.1.2. High-level summary">
<div class="titlepage"><div><div><h3 class="title">
<a name="hl-summary"></a>3.1.2. High-level summary</h3></div></div></div>
<p>This interface provides some handy wrappers around the
file operations and file attributes, whilst not being much of an
imposition on the programmer.</p>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.1.3. Utility functions summary">
<div class="titlepage"><div><div><h3 class="title">
<a name="util-fns-summary"></a>3.1.3. Utility functions summary</h3></div></div></div>
<p>For very simple needs,
library to be built as a Windows DLL.</p>
</div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.2. Error handling">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="err-handling"></a>3.2. Error handling</h2></div></div></div>
<p>The library is designed to recover cleanly in all
buffer provided.</p></dd>
</dl></div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.3. Low-level interface">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="low-level"></a>3.3. Low-level interface</h2></div></div></div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.1. BZ2_bzCompressInit">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzcompress-init"></a>3.3.1. <code class="computeroutput">BZ2_bzCompressInit</code></h3></div></div></div>
+<a name="bzcompress-init"></a>3.3.1. BZ2_bzCompressInit</h3></div></div></div>
<pre class="programlisting">typedef struct {
char *next_in;
unsigned int avail_in;
if BZ_OK is returned
no specific action needed in case of error</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.2. BZ2_bzCompress">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzCompress"></a>3.3.2. <code class="computeroutput">BZ2_bzCompress</code></h3></div></div></div>
+<a name="bzCompress"></a>3.3.2. BZ2_bzCompress</h3></div></div></div>
<pre class="programlisting">int BZ2_bzCompress ( bz_stream *strm, int action );</pre>
<p>Provides more input and/or output buffer space for the
library. The caller maintains input and output buffers, and
Return value = BZ_SEQUENCE_ERROR</pre>
<p>That still looks complicated? Well, fair enough. The
usual sequence of calls for compressing a load of data is:</p>
-<div class="orderedlist"><ol type="1">
-<li><p>Get started with
+<div class="orderedlist"><ol class="orderedlist" type="1">
+<li
class="listitem"><p>Get started with
<code class="computeroutput">BZ2_bzCompressInit</code>.</p></li>
-<li><p>Shovel data in and shlurp out its compressed form
+<li
class="listitem"><p>Shovel data in and shlurp out its compressed form
using zero or more calls of
<code class="computeroutput">BZ2_bzCompress</code> with action =
<code class="computeroutput">BZ_RUN</code>.</p></li>
-<li><p>Finish up. Repeatedly call
+<li
class="listitem"><p>Finish up. Repeatedly call
<code class="computeroutput">BZ2_bzCompress</code> with action =
<code class="computeroutput">BZ_FINISH</code>, copying out the
compressed output, until
<code class="computeroutput">BZ_STREAM_END</code> is
returned.</p></li>
-<li><p>Close up and go home. Call
+<li
class="listitem"><p>Close up and go home. Call
<code class="computeroutput">BZ2_bzCompressEnd</code>.</p></li>
</ol></div>
<p>If the data you want to compress fits into your input
<pre class="programlisting">BZ_PARAM_ERROR
if strm is NULL, or strm->s is NULL</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.3. BZ2_bzCompressEnd">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzCompress-end"></a>3.3.3. <code class="computeroutput">BZ2_bzCompressEnd</code></h3></div></div></div>
+<a name="bzCompress-end"></a>3.3.3. BZ2_bzCompressEnd</h3></div></div></div>
<pre class="programlisting">int BZ2_bzCompressEnd ( bz_stream *strm );</pre>
<p>Releases all memory associated with a compression
stream.</p>
<pre class="programlisting">BZ_PARAM_ERROR if strm is NULL or strm->s is NULL
BZ_OK otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.4. BZ2_bzDecompressInit">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzDecompress-init"></a>3.3.4. <code class="computeroutput">BZ2_bzDecompressInit</code></h3></div></div></div>
+<a name="bzDecompress-init"></a>3.3.4. BZ2_bzDecompressInit</h3></div></div></div>
<pre class="programlisting">int BZ2_bzDecompressInit ( bz_stream *strm, int verbosity, int small );</pre>
<p>Prepares for decompression. As with
<code class="computeroutput">BZ2_bzCompressInit</code>, a
library will use an alternative decompression algorithm which
uses less memory but at the cost of decompressing more slowly
(roughly speaking, half the speed, but the maximum memory
-requirement drops to around 2300k). See <a href="#using">How to use bzip2</a>
+requirement drops to around 2300k). See <a class="xref" href="#using" title="2. How to use bzip2">How to use bzip2</a>
for more information on memory management.</p>
<p>Note that the amount of memory needed to decompress a
stream cannot be determined until the stream's header has been
if BZ_OK was returned
no specific action required in case of error</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.5. BZ2_bzDecompress">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzDecompress"></a>3.3.5. <code class="computeroutput">BZ2_bzDecompress</code></h3></div></div></div>
+<a name="bzDecompress"></a>3.3.5. BZ2_bzDecompress</h3></div></div></div>
<pre class="programlisting">int BZ2_bzDecompress ( bz_stream *strm );</pre>
<p>Provides more input and/out output buffer space for the
library. The caller maintains input and output buffers, and uses
BZ2_bzDecompressEnd
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.3.6. BZ2_bzDecompressEnd">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzDecompress-end"></a>3.3.6. <code class="computeroutput">BZ2_bzDecompressEnd</code></h3></div></div></div>
+<a name="bzDecompress-end"></a>3.3.6. BZ2_bzDecompressEnd</h3></div></div></div>
<pre class="programlisting">int BZ2_bzDecompressEnd ( bz_stream *strm );</pre>
<p>Releases all memory associated with a decompression
stream.</p>
<pre class="programlisting"> None.</pre>
</div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.4. High-level interface">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="hl-interface"></a>3.4. High-level interface</h2></div></div></div>
<p>This interface provides functions for reading and writing
<code class="computeroutput">bzip2</code> format files. First, some
general points.</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p>All of the functions take an
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p>All of the functions take an
<code class="computeroutput">int*</code> first argument,
<code class="computeroutput">bzerror</code>. After each call,
<code class="computeroutput">bzerror</code> should be consulted
of the difficulty. <code class="computeroutput">bzerror</code>
may also be set to various other values; precise details are
given on a per-function basis below.</p></li>
-<li style="list-style-type: disc"><p>If <code class="computeroutput">bzerror</code> indicates
+<li
class="listitem" style="list-style-type: disc"><p>If <code class="computeroutput">bzerror</code> indicates
an error (ie, anything except
<code class="computeroutput">BZ_OK</code> and
<code class="computeroutput">BZ_STREAM_END</code>), you should
<code class="computeroutput">BZ2_bzReadClose</code>
(<code class="computeroutput">BZ2_bzWriteClose</code>) should then
be called to clean up.</p></li>
-<li style="list-style-type: disc"><p>The <code class="computeroutput">FILE*</code> arguments
+<li
class="listitem" style="list-style-type: disc"><p>The <code class="computeroutput">FILE*</code> arguments
passed to <code class="computeroutput">BZ2_bzReadOpen</code> /
<code class="computeroutput">BZ2_bzWriteOpen</code> should be set
to binary mode. Most Unix systems will do this by default, but
other platforms, including Windows and Mac, will not. If you
omit this, you may encounter problems when moving code to new
platforms.</p></li>
-<li style="list-style-type: disc"><p>Memory allocation requests are handled by
+<li
class="listitem" style="list-style-type: disc"><p>Memory allocation requests are handled by
<code class="computeroutput">malloc</code> /
<code class="computeroutput">free</code>. At present there is no
facility for user-defined memory allocators in the file I/O
functions (could easily be added, though).</p></li>
</ul></div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.1. BZ2_bzReadOpen">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzreadopen"></a>3.4.1. <code class="computeroutput">BZ2_bzReadOpen</code></h3></div></div></div>
+<a name="bzreadopen"></a>3.4.1. BZ2_bzReadOpen</h3></div></div></div>
<pre class="programlisting">typedef void BZFILE;
BZFILE *BZ2_bzReadOpen( int *bzerror, FILE *f,
BZ2_bzClose
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.2. BZ2_bzRead">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzread"></a>3.4.2. <code class="computeroutput">BZ2_bzRead</code></h3></div></div></div>
+<a name="bzread"></a>3.4.2. BZ2_bzRead</h3></div></div></div>
<pre class="programlisting">int BZ2_bzRead ( int *bzerror, BZFILE *b, void *buf, int len );</pre>
<p>Reads up to <code class="computeroutput">len</code>
(uncompressed) bytes from the compressed file
BZ2_bzReadClose
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.3. BZ2_bzReadGetUnused">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzreadgetunused"></a>3.4.3. <code class="computeroutput">BZ2_bzReadGetUnused</code></h3></div></div></div>
+<a name="bzreadgetunused"></a>3.4.3. BZ2_bzReadGetUnused</h3></div></div></div>
<pre class="programlisting">void BZ2_bzReadGetUnused( int* bzerror, BZFILE *b,
void** unused, int* nUnused );</pre>
<p>Returns data which was read from the compressed file but
<p>Allowable next actions:</p>
<pre class="programlisting">BZ2_bzReadClose</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.4. BZ2_bzReadClose">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzreadclose"></a>3.4.4. <code class="computeroutput">BZ2_bzReadClose</code></h3></div></div></div>
+<a name="bzreadclose"></a>3.4.4. BZ2_bzReadClose</h3></div></div></div>
<pre class="programlisting">void BZ2_bzReadClose ( int *bzerror, BZFILE *b );</pre>
<p>Releases all memory pertaining to the compressed file
<code class="computeroutput">b</code>.
<p>Allowable next actions:</p>
<pre class="programlisting">none</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.5. BZ2_bzWriteOpen">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzwriteopen"></a>3.4.5. <code class="computeroutput">BZ2_bzWriteOpen</code></h3></div></div></div>
+<a name="bzwriteopen"></a>3.4.5. BZ2_bzWriteOpen</h3></div></div></div>
<pre class="programlisting">BZFILE *BZ2_bzWriteOpen( int *bzerror, FILE *f,
int blockSize100k, int verbosity,
int workFactor );</pre>
BZ2_bzWriteClose
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.6. BZ2_bzWrite">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzwrite"></a>3.4.6. <code class="computeroutput">BZ2_bzWrite</code></h3></div></div></div>
+<a name="bzwrite"></a>3.4.6. BZ2_bzWrite</h3></div></div></div>
<pre class="programlisting">void BZ2_bzWrite ( int *bzerror, BZFILE *b, void *buf, int len );</pre>
<p>Absorbs <code class="computeroutput">len</code> bytes from the
buffer <code class="computeroutput">buf</code>, eventually to be
BZ_OK
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.7. BZ2_bzWriteClose">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzwriteclose"></a>3.4.7. <code class="computeroutput">BZ2_bzWriteClose</code></h3></div></div></div>
+<a name="bzwriteclose"></a>3.4.7. BZ2_bzWriteClose</h3></div></div></div>
<pre class="programlisting">void BZ2_bzWriteClose( int *bzerror, BZFILE* f,
int abandon,
unsigned int* nbytes_in,
BZ_OK
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.8. Handling embedded compressed data streams">
<div class="titlepage"><div><div><h3 class="title">
<a name="embed"></a>3.4.8. Handling embedded compressed data streams</h3></div></div></div>
<p>The high-level library facilitates use of
<code class="computeroutput">bzip2</code> data streams which form
some part of a surrounding, larger data stream.</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p>For writing, the library takes an open file handle,
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p>For writing, the library takes an open file handle,
writes compressed data to it,
<code class="computeroutput">fflush</code>es it but does not
<code class="computeroutput">fclose</code> it. The calling
application can write its own data before and after the
compressed data stream, using that same file handle.</p></li>
-<li style="list-style-type: disc"><p>Reading is more complex, and the facilities are not as
+<li
class="listitem" style="list-style-type: disc"><p>Reading is more complex, and the facilities are not as
general as they could be since generality is hard to reconcile
with efficiency. <code class="computeroutput">BZ2_bzRead</code>
reads from the compressed file in blocks of size
bite the bullet and get to grips with the low-level
interface.</p>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.4.9. Standard file-reading/writing code">
<div class="titlepage"><div><div><h3 class="title">
<a name="std-rdwr"></a>3.4.9. Standard file-reading/writing code</h3></div></div></div>
<p>Here's how you'd write data to a compressed file:</p>
}</pre>
</div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.5. Utility functions">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="util-fns"></a>3.5. Utility functions</h2></div></div></div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.5.1. BZ2_bzBuffToBuffCompress">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzbufftobuffcompress"></a>3.5.1. <code class="computeroutput">BZ2_bzBuffToBuffCompress</code></h3></div></div></div>
+<a name="bzbufftobuffcompress"></a>3.5.1. BZ2_bzBuffToBuffCompress</h3></div></div></div>
<pre class="programlisting">int BZ2_bzBuffToBuffCompress( char* dest,
unsigned int* destLen,
char* source,
BZ_OK
otherwise</pre>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.5.2. BZ2_bzBuffToBuffDecompress">
<div class="titlepage"><div><div><h3 class="title">
-<a name="bzbufftobuffdecompress"></a>3.5.2. <code class="computeroutput">BZ2_bzBuffToBuffDecompress</code></h3></div></div></div>
+<a name="bzbufftobuffdecompress"></a>3.5.2. BZ2_bzBuffToBuffDecompress</h3></div></div></div>
<pre class="programlisting">int BZ2_bzBuffToBuffDecompress( char* dest,
unsigned int* destLen,
char* source,
otherwise</pre>
</div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.6. zlib compatibility functions">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="zlib-compat"></a>3.6. <code class="computeroutput">zlib</code> compatibility functions</h2></div></div></div>
+<a name="zlib-compat"></a>3.6. zlib compatibility functions</h2></div></div></div>
<p>Yoshioka Tsuneo has contributed some functions to give
better <code class="computeroutput">zlib</code> compatibility.
These functions are <code class="computeroutput">BZ2_bzopen</code>,
<code class="computeroutput">*errnum</code> to its numerical
value.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.7. Using the library in a stdio-free environment">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="stdio-free"></a>3.7. Using the library in a <code class="computeroutput">stdio</code>-free environment</h2></div></div></div>
-<div class="sect2" lang="en">
+<a name="stdio-free"></a>3.7. Using the library in a stdio-free environment</h2></div></div></div>
+<div class="sect2" title="3.7.1. Getting rid of stdio">
<div class="titlepage"><div><div><h3 class="title">
-<a name="stdio-bye"></a>3.7.1. Getting rid of <code class="computeroutput">stdio</code></h3></div></div></div>
+<a name="stdio-bye"></a>3.7.1. Getting rid of stdio</h3></div></div></div>
<p>In a deeply embedded application, you might want to use
just the memory-to-memory functions. You can do this
conveniently by compiling the library with preprocessor symbol
<p>When compiled like this, all functions will ignore
<code class="computeroutput">verbosity</code> settings.</p>
</div>
-<div class="sect2" lang="en">
+<div class="sect2" title="3.7.2. Critical error handling">
<div class="titlepage"><div><div><h3 class="title">
<a name="critical-error"></a>3.7.2. Critical error handling</h3></div></div></div>
<p><code class="computeroutput">libbzip2</code> contains a number
message:</p>
<div class="blockquote"><blockquote class="blockquote">
<p>bzip2/libbzip2: internal error number N.</p>
-<p>This is a bug in bzip2/libbzip2, 1.0.5 of 10 December 2007.
+<p>This is a bug in bzip2/libbzip2, 1.0.6 of 6 September 2010.
Please report it to me at: jseward@bzip.org. If this happened
when you were using some program which uses libbzip2 as a
component, you should also report this bug to the author(s)
of that program. Please make an effort to report this bug;
timely and accurate bug reports eventually lead to higher
-quality software. Thanks. Julian Seward, 10 December 2007.
+quality software. Thanks. Julian Seward, 6 September 2010.
</p>
</blockquote></div>
<p>where <code class="computeroutput">N</code> is some error code
recovered from.</p>
</div>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="3.8. Making a Windows DLL">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="win-dll"></a>3.8. Making a Windows DLL</h2></div></div></div>
<p>Everything related to Windows has been contributed by
plausible.</p>
</div>
</div>
-<div class="chapter" lang="en">
+<div class="chapter" title="4. Miscellanea">
<div class="titlepage"><div><div><h2 class="title">
<a name="misc"></a>4. Miscellanea</h2></div></div></div>
<div class="toc">
</div>
<p>These are just some random thoughts of mine. Your mileage
may vary.</p>
-<div class="sect1" lang="en">
+<div class="sect1" title="4.1. Limitations of the compressed file format">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="limits"></a>4.1. Limitations of the compressed file format</h2></div></div></div>
<p><code class="computeroutput">bzip2-1.0.X</code>,
shown complexities in the file format which slow down
decompression and, in retrospect, are unnecessary. These
are:</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p>The run-length encoder, which is the first of the
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p>The run-length encoder, which is the first of the
compression transformations, is entirely irrelevant. The
original purpose was to protect the sorting algorithm from the
very worst case input: a string of repeated symbols. But
algorithm steps Q6a and Q6b in the original Burrows-Wheeler
technical report (SRC-124) show how repeats can be handled
without difficulty in block sorting.</p></li>
-<li style="list-style-type: disc">
+<li class="listitem" style="list-style-type: disc">
<p>The randomisation mechanism doesn't really need to be
there. Udi Manber and Gene Myers published a suffix array
construction algorithm a few years back, which can be employed
algorithm if the standard algorithm gets into
difficulties.</p>
</li>
-<li style="list-style-type: disc"><p>The compressed file format was never designed to be
+<li
class="listitem" style="list-style-type: disc"><p>The compressed file format was never designed to be
handled by a library, and I have had to jump though some hoops
to produce an efficient implementation of decompression. It's
a bit hairy. Try passing
preprocessor and you'll see what I mean. Much of this
complexity could have been avoided if the compressed size of
each block of data was recorded in the data stream.</p></li>
-<li style="list-style-type: disc"><p>An Adler-32 checksum, rather than a CRC32 checksum,
+<li
class="listitem" style="list-style-type: disc"><p>An Adler-32 checksum, rather than a CRC32 checksum,
would be faster to compute.</p></li>
</ul></div>
<p>It would be fair to say that the
doing so.</p>
<p>Improvements which I was able to incorporate into 0.9.0,
despite using the same file format, are:</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc"><p>Single array implementation of the inverse BWT. This
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li
class="listitem" style="list-style-type: disc"><p>Single array implementation of the inverse BWT. This
significantly speeds up decompression, presumably because it
reduces the number of cache misses.</p></li>
-<li style="list-style-type: disc"><p>Faster inverse MTF transform for large MTF values.
+<li
class="listitem" style="list-style-type: disc"><p>Faster inverse MTF transform for large MTF values.
The new implementation is based on the notion of sliding blocks
of values.</p></li>
-<li style="list-style-type: disc"><p><code class="computeroutput">bzip2-0.9.0</code> now reads
+<li
class="listitem" style="list-style-type: disc"><p><code class="computeroutput">bzip2-0.9.0</code> now reads
and writes files with <code class="computeroutput">fread</code>
and <code class="computeroutput">fwrite</code>; version 0.1 used
<code class="computeroutput">putc</code> and
access into files. This will require some careful design of
compressed file formats.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="4.2. Portability issues">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="port-issues"></a>4.2. Portability issues</h2></div></div></div>
<p>After some consideration, I have decided not to use GNU
file <code class="computeroutput">bzip2.c</code>, before compiling.
Otherwise the resulting binary won't work correctly.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="4.3. Reporting bugs">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="bugs"></a>4.3. Reporting bugs</h2></div></div></div>
<p>I tried pretty hard to make sure
years of feedback of bzip2 users indicates that almost all these
problems can be traced to either compiler bugs or hardware
problems.</p>
-<div class="itemizedlist"><ul type="bullet">
-<li style="list-style-type: disc">
+<div class="itemizedlist"><ul class="itemizedlist" type="bullet">
+<li class="listitem" style="list-style-type: disc">
<p>Recompile the program with no optimisation, and
see if it works. And/or try a different compiler. I heard all
sorts of stories about various flavours of GNU C (and other
a pretty good (but not 100%) indication that the compiler has
done its job correctly.</p>
</li>
-<li style="list-style-type: disc">
+<li class="listitem" style="list-style-type: disc">
<p>If <code class="computeroutput">bzip2</code>
crashes randomly, and the crashes are not repeatable, you may
have a flaky memory subsystem.
<p>Try using a different machine of the same type, and see
if you can repeat the problem.</p>
</li>
-<li style="list-style-type: disc"><p>This isn't really a bug, but ... If
+<li
class="listitem" style="list-style-type: disc"><p>This isn't really a bug, but ... If
<code class="computeroutput">bzip2</code> tells you your file is
corrupted on decompression, and you obtained the file via FTP,
there is a possibility that you forgot to tell FTP to do a
time the problem happened. Without that, my ability to do
anything more than speculate about the cause, is limited.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="4.4. Did you get the right package?">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="package"></a>4.4. Did you get the right package?</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> is a resource hog.
minimal latency, consider Jean-loup Gailly's and Mark Adler's
work, <code class="computeroutput">zlib-1.2.1</code> and
<code class="computeroutput">gzip-1.2.4</code>. Look for them at
-<a href="http://www.zlib.org" target="_top">http://www.zlib.org</a> and
-<a href="http://www.gzip.org" target="_top">http://www.gzip.org</a>
+<a class="ulink" href="http://www.zlib.org" target="_top">http://www.zlib.org</a> and
+<a class="ulink" href="http://www.gzip.org" target="_top">http://www.gzip.org</a>
respectively.</p>
<p>For something faster and lighter still, you might try Markus F
X J Oberhumer's <code class="computeroutput">LZO</code> real-time
compression/decompression library, at
-<a href="http://www.oberhumer.com/opensource" target="_top">http://www.oberhumer.com/opensource</a>.</p>
+<a class="ulink" href="http://www.oberhumer.com/opensource" target="_top">http://www.oberhumer.com/opensource</a>.</p>
</div>
-<div class="sect1" lang="en">
+<div class="sect1" title="4.5. Further Reading">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="reading"></a>4.5. Further Reading</h2></div></div></div>
<p><code class="computeroutput">bzip2</code> is not research