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cdb: Download</title>
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<span class=noselect>≡</span>
cdb</div>
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<li class=away><a href=index.html>Intro</a>
</li><li class=here>Download
</li><li class=away><a href=install.html>Install</a>
</li><li class=away><a href=test.html>Test</a>
</li><li class=away><a href=cdb.html>Read API</a>
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</li><li class=away><a href=cdbmake.html>cdbmake</a>
</li><li class=away><a href=cdbmake-12.html>cdbmake-12</a>
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<div class=pagetitle>cdb: Download</div>
<p>To download and unpack the latest version of cdb:</p>
<pre><code>wget -m https://cdb.cr.yp.to/cdb-latest-version.txt
version=$(cat cdb.cr.yp.to/cdb-latest-version.txt)
wget -m https://cdb.cr.yp.to/cdb-$version.tar.gz
tar -xzf cdb.cr.yp.to/cdb-$version.tar.gz
cd cdb-$version
</code></pre>
<p>Then <a href="install.html">install</a>
and <a href="test.html">test</a>.</p>
<h3 id="changelog">Archives and changelog (reverse chronological)</h3>
<p><a href="cdb-20251021.tar.gz"><code>cdb-20251021.tar.gz</code></a> <a href="cdb-20251021.html">browse</a></p>
<p>Add support for cdb64 (at least on 64-bit platforms).</p>
<p>Support <code>./configure</code>, <code>./configure --prefix=...</code>, and <code>make install</code>.</p>
<p>Switch almost all internal integers to <code>num</code>,
defined as <code>long long</code>.
Replace various <code>uint32</code>, <code>fmt</code>, <code>scan</code> functions with <code>num</code> functions.</p>
<p>For tests,
avoid depending on <code>csh</code>;
depend on <code>ulimit</code> instead of <code>softlimit</code>;
increase limit to handle current process bloat.</p>
<p>Split <code>buffer</code> interface into <code>inbuf</code> and <code>outbuf</code>.</p>
<p>Clean up <code>hier</code> interface.</p>
<p>Remove various function definitions and declarations not used in cdb.</p>
<p>Eliminate some wrappers:
<code>str_len</code>, <code>alloc</code>, <code>uint32</code>, <code>exit</code>, <code>error</code>, <code>systype</code>.</p>
<p>Tweak code to avoid deprecated C features
(old-style function definitions,
empty prototypes,
old-style <code>main</code> definitions).</p>
<p>Make more use of <code>const</code> and <code>static</code>.
Eliminate <code>register</code>.
Add <code>-Wall</code> to compiler options.
Tweak code to avoid <code>-Wall</code> complaints.</p>
<p>Add some don't-be-stupid compiler options:
<code>-fwrapv</code>,
<code>-fno-delete-null-pointer-checks</code>,
<code>-fno-strict-aliasing</code>,
and
<code>-fno-strict-overflow</code>.</p>
<p>Many updates to documentation.</p>
<p><a href="cdb-0.75.tar.gz"><code>cdb-0.75.tar.gz</code></a> (20000219) <a href="cdb-0.75.html">browse</a></p>
<p>Fixed bug pointed out by Uwe Ohse:
<code>cdb_make_addbegin</code> didn't explicitly return 0,
so database creation could fail on systems that didn't follow the traditional C return behavior.</p>
<p>Added <code>testzero</code> to regression-test suite.</p>
<p>Increased <code>bspace</code> in <code>cdb_make.h</code> from 1024 to 8192.</p>
<p>Switched <code>cdbmake</code> to use <code>PUTC</code> and <code>GETC</code>; 3x speedup in one test.</p>
<p>UI: <code>posplus</code> sets <code>ENOMEM</code> if it passes 4GB.</p>
<p><a href="cdb-0.70.tar.gz"><code>cdb-0.70.tar.gz</code></a> (20000217) <a href="cdb-0.70.html">browse</a></p>
<p>API: rewrote almost everything from scratch.
Thanks to Ken Lalonde for suggesting mmap.</p>
<p>UI: cdbget supports skip.</p>
<p><a href="cdb-0.55.tar.gz"><code>cdb-0.55.tar.gz</code></a> (19960922) <a href="cdb-0.55.html">browse</a></p>
<p>First release.</p><hr><font size=1><b>Version:</b>
This is version 2025.10.21 of the "Download" web page.
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