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libusual4.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
<meta name="generator" content="AsciiDoc 8.6.6" />
<title>Use installed libusual</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */
/* Default font. */
body {
font-family: Georgia,serif;
}
/* Title font. */
h1, h2, h3, h4, h5, h6,
div.title, caption.title,
thead, p.table.header,
#toctitle,
#author, #revnumber, #revdate, #revremark,
#footer {
font-family: Arial,Helvetica,sans-serif;
}
body {
margin: 1em 5% 1em 5%;
}
a {
color: blue;
text-decoration: underline;
}
a:visited {
color: fuchsia;
}
em {
font-style: italic;
color: navy;
}
strong {
font-weight: bold;
color: #083194;
}
h1, h2, h3, h4, h5, h6 {
color: #527bbd;
margin-top: 1.2em;
margin-bottom: 0.5em;
line-height: 1.3;
}
h1, h2, h3 {
border-bottom: 2px solid silver;
}
h2 {
padding-top: 0.5em;
}
h3 {
float: left;
}
h3 + * {
clear: left;
}
h5 {
font-size: 1.0em;
}
div.sectionbody {
margin-left: 0;
}
hr {
border: 1px solid silver;
}
p {
margin-top: 0.5em;
margin-bottom: 0.5em;
}
ul, ol, li > p {
margin-top: 0;
}
ul > li { color: #aaa; }
ul > li > * { color: black; }
pre {
padding: 0;
margin: 0;
}
#author {
color: #527bbd;
font-weight: bold;
font-size: 1.1em;
}
#email {
}
#revnumber, #revdate, #revremark {
}
#footer {
font-size: small;
border-top: 2px solid silver;
padding-top: 0.5em;
margin-top: 4.0em;
}
#footer-text {
float: left;
padding-bottom: 0.5em;
}
#footer-badges {
float: right;
padding-bottom: 0.5em;
}
#preamble {
margin-top: 1.5em;
margin-bottom: 1.5em;
}
div.imageblock, div.exampleblock, div.verseblock,
div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
div.admonitionblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
div.admonitionblock {
margin-top: 2.0em;
margin-bottom: 2.0em;
margin-right: 10%;
color: #606060;
}
div.content { /* Block element content. */
padding: 0;
}
/* Block element titles. */
div.title, caption.title {
color: #527bbd;
font-weight: bold;
text-align: left;
margin-top: 1.0em;
margin-bottom: 0.5em;
}
div.title + * {
margin-top: 0;
}
td div.title:first-child {
margin-top: 0.0em;
}
div.content div.title:first-child {
margin-top: 0.0em;
}
div.content + div.title {
margin-top: 0.0em;
}
div.sidebarblock > div.content {
background: #ffffee;
border: 1px solid #dddddd;
border-left: 4px solid #f0f0f0;
padding: 0.5em;
}
div.listingblock > div.content {
border: 1px solid #dddddd;
border-left: 5px solid #f0f0f0;
background: #f8f8f8;
padding: 0.5em;
}
div.quoteblock, div.verseblock {
padding-left: 1.0em;
margin-left: 1.0em;
margin-right: 10%;
border-left: 5px solid #f0f0f0;
color: #888;
}
div.quoteblock > div.attribution {
padding-top: 0.5em;
text-align: right;
}
div.verseblock > pre.content {
font-family: inherit;
font-size: inherit;
}
div.verseblock > div.attribution {
padding-top: 0.75em;
text-align: left;
}
/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
div.verseblock + div.attribution {
text-align: left;
}
div.admonitionblock .icon {
vertical-align: top;
font-size: 1.1em;
font-weight: bold;
text-decoration: underline;
color: #527bbd;
padding-right: 0.5em;
}
div.admonitionblock td.content {
padding-left: 0.5em;
border-left: 3px solid #dddddd;
}
div.exampleblock > div.content {
border-left: 3px solid #dddddd;
padding-left: 0.5em;
}
div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; }
a.image:visited { color: white; }
dl {
margin-top: 0.8em;
margin-bottom: 0.8em;
}
dt {
margin-top: 0.5em;
margin-bottom: 0;
font-style: normal;
color: navy;
}
dd > *:first-child {
margin-top: 0.1em;
}
ul, ol {
list-style-position: outside;
}
ol.arabic {
list-style-type: decimal;
}
ol.loweralpha {
list-style-type: lower-alpha;
}
ol.upperalpha {
list-style-type: upper-alpha;
}
ol.lowerroman {
list-style-type: lower-roman;
}
ol.upperroman {
list-style-type: upper-roman;
}
div.compact ul, div.compact ol,
div.compact p, div.compact p,
div.compact div, div.compact div {
margin-top: 0.1em;
margin-bottom: 0.1em;
}
tfoot {
font-weight: bold;
}
td > div.verse {
white-space: pre;
}
div.hdlist {
margin-top: 0.8em;
margin-bottom: 0.8em;
}
div.hdlist tr {
padding-bottom: 15px;
}
dt.hdlist1.strong, td.hdlist1.strong {
font-weight: bold;
}
td.hdlist1 {
vertical-align: top;
font-style: normal;
padding-right: 0.8em;
color: navy;
}
td.hdlist2 {
vertical-align: top;
}
div.hdlist.compact tr {
margin: 0;
padding-bottom: 0;
}
.comment {
background: yellow;
}
.footnote, .footnoteref {
font-size: 0.8em;
}
span.footnote, span.footnoteref {
vertical-align: super;
}
#footnotes {
margin: 20px 0 20px 0;
padding: 7px 0 0 0;
}
#footnotes div.footnote {
margin: 0 0 5px 0;
}
#footnotes hr {
border: none;
border-top: 1px solid silver;
height: 1px;
text-align: left;
margin-left: 0;
width: 20%;
min-width: 100px;
}
div.colist td {
padding-right: 0.5em;
padding-bottom: 0.3em;
vertical-align: top;
}
div.colist td img {
margin-top: 0.3em;
}
@media print {
#footer-badges { display: none; }
}
#toc {
margin-bottom: 2.5em;
}
#toctitle {
color: #527bbd;
font-size: 1.1em;
font-weight: bold;
margin-top: 1.0em;
margin-bottom: 0.1em;
}
div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
margin-top: 0;
margin-bottom: 0;
}
div.toclevel2 {
margin-left: 2em;
font-size: 0.9em;
}
div.toclevel3 {
margin-left: 4em;
font-size: 0.9em;
}
div.toclevel4 {
margin-left: 6em;
font-size: 0.9em;
}
span.aqua { color: aqua; }
span.black { color: black; }
span.blue { color: blue; }
span.fuchsia { color: fuchsia; }
span.gray { color: gray; }
span.green { color: green; }
span.lime { color: lime; }
span.maroon { color: maroon; }
span.navy { color: navy; }
span.olive { color: olive; }
span.purple { color: purple; }
span.red { color: red; }
span.silver { color: silver; }
span.teal { color: teal; }
span.white { color: white; }
span.yellow { color: yellow; }
span.aqua-background { background: aqua; }
span.black-background { background: black; }
span.blue-background { background: blue; }
span.fuchsia-background { background: fuchsia; }
span.gray-background { background: gray; }
span.green-background { background: green; }
span.lime-background { background: lime; }
span.maroon-background { background: maroon; }
span.navy-background { background: navy; }
span.olive-background { background: olive; }
span.purple-background { background: purple; }
span.red-background { background: red; }
span.silver-background { background: silver; }
span.teal-background { background: teal; }
span.white-background { background: white; }
span.yellow-background { background: yellow; }
span.big { font-size: 2em; }
span.small { font-size: 0.6em; }
span.underline { text-decoration: underline; }
span.overline { text-decoration: overline; }
span.line-through { text-decoration: line-through; }
/*
* xhtml11 specific
*
* */
tt {
font-family: monospace;
font-size: inherit;
color: navy;
}
div.tableblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
div.tableblock > table {
border: 3px solid #527bbd;
}
thead, p.table.header {
font-weight: bold;
color: #527bbd;
}
p.table {
margin-top: 0;
}
/* Because the table frame attribute is overriden by CSS in most browsers. */
div.tableblock > table[frame="void"] {
border-style: none;
}
div.tableblock > table[frame="hsides"] {
border-left-style: none;
border-right-style: none;
}
div.tableblock > table[frame="vsides"] {
border-top-style: none;
border-bottom-style: none;
}
/*
* html5 specific
*
* */
.monospaced {
font-family: monospace;
font-size: inherit;
color: navy;
}
table.tableblock {
margin-top: 1.0em;
margin-bottom: 1.5em;
}
thead, p.tableblock.header {
font-weight: bold;
color: #527bbd;
}
p.tableblock {
margin-top: 0;
}
table.tableblock {
border-width: 3px;
border-spacing: 0px;
border-style: solid;
border-color: #527bbd;
border-collapse: collapse;
}
th.tableblock, td.tableblock {
border-width: 1px;
padding: 4px;
border-style: solid;
border-color: #527bbd;
}
table.tableblock.frame-topbot {
border-left-style: hidden;
border-right-style: hidden;
}
table.tableblock.frame-sides {
border-top-style: hidden;
border-bottom-style: hidden;
}
table.tableblock.frame-none {
border-style: hidden;
}
th.tableblock.halign-left, td.tableblock.halign-left {
text-align: left;
}
th.tableblock.halign-center, td.tableblock.halign-center {
text-align: center;
}
th.tableblock.halign-right, td.tableblock.halign-right {
text-align: right;
}
th.tableblock.valign-top, td.tableblock.valign-top {
vertical-align: top;
}
th.tableblock.valign-middle, td.tableblock.valign-middle {
vertical-align: middle;
}
th.tableblock.valign-bottom, td.tableblock.valign-bottom {
vertical-align: bottom;
}
/*
* manpage specific
*
* */
body.manpage h1 {
padding-top: 0.5em;
padding-bottom: 0.5em;
border-top: 2px solid silver;
border-bottom: 2px solid silver;
}
body.manpage h2 {
border-style: none;
}
body.manpage div.sectionbody {
margin-left: 3em;
}
@media print {
body.manpage div#toc { display: none; }
}
</style>
<script type="text/javascript">
/*<+'])');
// Function that scans the DOM tree for header elements (the DOM2
// nodeIterator API would be a better technique but not supported by all
// browsers).
var iterate = function (el) {
for (var i = el.firstChild; i != null; i = i.nextSibling) {
if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
var mo = re.exec(i.tagName);
if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
}
iterate(i);
}
}
}
iterate(el);
return result;
}
var toc = document.getElementById("toc");
if (!toc) {
return;
}
// Delete existing TOC entries in case we're reloading the TOC.
var tocEntriesToRemove = [];
var i;
for (i = 0; i < toc.childNodes.length; i++) {
var entry = toc.childNodes[i];
if (entry.nodeName == 'div'
&& entry.getAttribute("class")
&& entry.getAttribute("class").match(/^toclevel/))
tocEntriesToRemove.push(entry);
}
for (i = 0; i < tocEntriesToRemove.length; i++) {
toc.removeChild(tocEntriesToRemove[i]);
}
// Rebuild TOC entries.
var entries = tocEntries(document.getElementById("content"), toclevels);
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
if (entry.element.id == "")
entry.element.id = "_toc_" + i;
var a = document.createElement("a");
a.href = "#" + entry.element.id;
a.appendChild(document.createTextNode(entry.text));
var div = document.createElement("div");
div.appendChild(a);
div.className = "toclevel" + entry.toclevel;
toc.appendChild(div);
}
if (entries.length == 0)
toc.parentNode.removeChild(toc);
},
/////////////////////////////////////////////////////////////////////
// Footnotes generator
/////////////////////////////////////////////////////////////////////
/* Based on footnote generation code from:
* http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
*/
footnotes: function () {
// Delete existing footnote entries in case we're reloading the footnodes.
var i;
var noteholder = document.getElementById("footnotes");
if (!noteholder) {
return;
}
var entriesToRemove = [];
for (i = 0; i < noteholder.childNodes.length; i++) {
var entry = noteholder.childNodes[i];
if (entry.nodeName == 'div' && entry.getAttribute("class") == "footnote")
entriesToRemove.push(entry);
}
for (i = 0; i < entriesToRemove.length; i++) {
noteholder.removeChild(entriesToRemove[i]);
}
// Rebuild footnote entries.
var cont = document.getElementById("content");
var spans = cont.getElementsByTagName("span");
var refs = {};
var n = 0;
for (i=0; i<spans.length; i++) {
if (spans[i].className == "footnote") {
n++;
var note = spans[i].getAttribute("data-note");
if (!note) {
// Use [\s\S] in place of . so multi-line matches work.
// Because JavaScript has no s (dotall) regex flag.
note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];
spans[i].innerHTML =
"[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +
"' title='View footnote' class='footnote'>" + n + "</a>]";
spans[i].setAttribute("data-note", note);
}
noteholder.innerHTML +=
"<div class='footnote' id='_footnote_" + n + "'>" +
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<body class="article">
<div id="header">
<h1>Use installed libusual</h1>
</div>
<div id="content">
<div id="preamble">
<div class="sectionbody">
<div class="paragraph"><p>Install libusual and link against it.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_build_libusual">Build libusual</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre><tt>$ git clone git://github.com/libusual/libusual.git libusual
Cloning into 'libusual'...
done.
$ cd libusual
$ ./autogen.sh
[...]
$ ./configure --disable-static --prefix=`pwd`/../inst
[...]
$ make
[...]
$ make install
[...]
$ cd ..
$ find inst | sort
inst
inst/include
inst/include/usual
inst/include/usual/aatree.h
inst/include/usual/base.h
inst/include/usual/base_win32.h
inst/include/usual/bits.h
inst/include/usual/cbtree.h
inst/include/usual/cfparser.h
inst/include/usual/config.h
inst/include/usual/config_msvc.h
inst/include/usual/crypto
inst/include/usual/crypto/chacha.h
inst/include/usual/crypto/csrandom.h
inst/include/usual/crypto/digest.h
inst/include/usual/crypto/entropy.h
inst/include/usual/crypto/hmac.h
inst/include/usual/crypto/keccak.h
inst/include/usual/crypto/keccak_prng.h
inst/include/usual/crypto/md5.h
inst/include/usual/crypto/sha1.h
inst/include/usual/crypto/sha256.h
inst/include/usual/crypto/sha3.h
inst/include/usual/crypto/sha512.h
inst/include/usual/ctype.h
inst/include/usual/cxalloc.h
inst/include/usual/cxextra.h
inst/include/usual/daemon.h
inst/include/usual/endian.h
inst/include/usual/err.h
inst/include/usual/event.h
inst/include/usual/fileutil.h
inst/include/usual/fnmatch.h
inst/include/usual/getopt.h
inst/include/usual/hashing
inst/include/usual/hashing/crc32.h
inst/include/usual/hashing/lookup3.h
inst/include/usual/hashing/memhash.h
inst/include/usual/hashing/siphash.h
inst/include/usual/hashing/spooky.h
inst/include/usual/hashing/xxhash.h
inst/include/usual/hashtab-impl.h
inst/include/usual/heap.h
inst/include/usual/json.h
inst/include/usual/list.h
inst/include/usual/logging.h
inst/include/usual/mbuf.h
inst/include/usual/mdict.h
inst/include/usual/mempool.h
inst/include/usual/misc.h
inst/include/usual/netdb.h
inst/include/usual/pgutil.h
inst/include/usual/pgutil_kwlookup.h
inst/include/usual/pthread.h
inst/include/usual/regex.h
inst/include/usual/safeio.h
inst/include/usual/shlist.h
inst/include/usual/signal.h
inst/include/usual/slab.h
inst/include/usual/socket.h
inst/include/usual/socket_win32.h
inst/include/usual/statlist.h
inst/include/usual/string.h
inst/include/usual/strpool.h
inst/include/usual/talloc.h
inst/include/usual/time.h
inst/include/usual/utf8.h
inst/include/usual/wchar.h
inst/lib
inst/lib/libusual.a
inst/lib/pkgconfig
inst/lib/pkgconfig/libusual.pc
inst/share
inst/share/aclocal
inst/share/aclocal/antimake.m4
inst/share/aclocal/usual.m4
inst/share/libusual
inst/share/libusual/amext-cxx.mk
inst/share/libusual/amext-libusual.mk
inst/share/libusual/amext-modes.mk
inst/share/libusual/amext-msvc.mk
inst/share/libusual/antimake.mk
inst/share/libusual/find_modules.sh
inst/share/libusual/std-autogen.sh</tt></pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_build_our_own_code">Build our own code</h2>
<div class="sectionbody">
<div class="paragraph"><p>Now we prepare our own code.</p></div>
<div class="paragraph"><p>First, this is the source file:</p></div>
<div class="listingblock">
<div class="title">File: prog.c</div>
<div class="content"><!-- Generator: GNU source-highlight 3.1.5
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt><span style="font-weight: bold"><span style="color: #000080">#include</span></span> <span style="color: #FF0000"><stdio.h></span>
<span style="font-weight: bold"><span style="color: #000080">#include</span></span> <span style="color: #FF0000"><string.h></span>
<span style="font-weight: bold"><span style="color: #000080">#include</span></span> <span style="color: #FF0000"><usual/hashing/crc32.h></span>
<span style="color: #009900">int</span> <span style="font-weight: bold"><span style="color: #000000">main</span></span><span style="color: #990000">(</span><span style="color: #009900">void</span><span style="color: #990000">)</span>
<span style="color: #FF0000">{</span>
<span style="font-weight: bold"><span style="color: #0000FF">const</span></span> <span style="color: #009900">char</span> <span style="color: #990000">*</span>data <span style="color: #990000">=</span> <span style="color: #FF0000">"CECSFXX"</span><span style="color: #990000">;</span>
<span style="color: #008080">uint32_t</span> crc<span style="color: #990000">;</span>
crc <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">calc_crc32</span></span><span style="color: #990000">(</span>data<span style="color: #990000">,</span> <span style="font-weight: bold"><span style="color: #000000">strlen</span></span><span style="color: #990000">(</span>data<span style="color: #990000">),</span> <span style="color: #993399">0</span><span style="color: #990000">);</span>
<span style="font-weight: bold"><span style="color: #000000">printf</span></span><span style="color: #990000">(</span><span style="color: #FF0000">"crc: %08x</span><span style="color: #CC33CC">\n</span><span style="color: #FF0000">"</span><span style="color: #990000">,</span> crc<span style="color: #990000">);</span>
<span style="font-weight: bold"><span style="color: #0000FF">return</span></span> <span style="color: #993399">0</span><span style="color: #990000">;</span>
<span style="color: #FF0000">}</span></tt></pre></div></div>
<div class="paragraph"><p>Here is corresponding Makefile:</p></div>
<div class="listingblock">
<div class="title">File: Makefile</div>
<div class="content"><!-- Generator: GNU source-highlight 3.1.5
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt>
<span style="color: #009900">CC =</span> gcc
<span style="color: #009900">CFLAGS =</span> -O -g -Wall
<span style="font-style: italic"><span style="color: #9A1900"># here we describe our program</span></span>
<span style="color: #009900">SRCS =</span> prog.c
<span style="color: #009900">OBJS =</span> <span style="color: #009900">$(SRCS:.c=.o)</span>
<span style="font-style: italic"><span style="color: #9A1900"># put libusual flags to proper place</span></span>
<span style="color: #009900">CPPFLAGS =</span> <span style="color: #009900">$(USUAL_CPPFLAGS)</span>
<span style="color: #009900">LIBS =</span> <span style="color: #009900">$(USUAL_LIBS)</span>
<span style="font-style: italic"><span style="color: #9A1900"># use pkg-config to get libusual info</span></span>
<span style="color: #009900">USUAL_CPPFLAGS =</span> <span style="color: #009900">$(</span>shell <span style="color: #009900">$(PKG_CONFIG)</span> --cflags libusual<span style="color: #990000">)</span>
<span style="color: #009900">USUAL_LIBS =</span> <span style="color: #009900">$(</span>shell <span style="color: #009900">$(PKG_CONFIG)</span> --libs libusual<span style="color: #990000">)</span>
<span style="font-style: italic"><span style="color: #9A1900"># temo hacks to support local install, not needed otherwise</span></span>
<span style="color: #990000">PKG_CONFIG :=</span> <span style="color: #009900">PKG_CONFIG_PATH</span><span style="color: #990000">=</span><span style="color: #009900">$(CURDIR)</span>/inst/lib/pkgconfig pkg-config
<span style="color: #990000">CPPFLAGS :=</span> <span style="color: #009900">$(</span>subst <span style="color: #009900">$(CURDIR)/libusual/../,./,$(CPPFLAGS))</span>
<span style="color: #990000">LIBS :=</span> <span style="color: #009900">$(</span>subst <span style="color: #009900">$(CURDIR)/libusual/../,./,$(LIBS))</span>
<span style="color: #990000">all:</span> prog
<span style="color: #990000">%</span>.o<span style="color: #990000">:</span> <span style="color: #990000">%</span>.c
<span style="color: #009900">$(CC)</span> <span style="color: #009900">$(CFLAGS)</span> <span style="color: #009900">$(CPPFLAGS)</span> -c -o <span style="color: #009900">$@</span> <span style="color: #009900">$<</span>
<span style="color: #990000">prog:</span> <span style="color: #009900">$(OBJS)</span>
<span style="color: #009900">$(CC)</span> <span style="color: #009900">$(CFLAGS)</span> <span style="color: #009900">$(LDFLAGS)</span> <span style="color: #009900">$(OBJS)</span> <span style="color: #009900">$(LIBS)</span> -o <span style="color: #009900">$@</span></tt></pre></div></div>
<div class="paragraph"><p>Build the project</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>$ make
gcc -O -g -Wall -I./inst/include -c -o prog.o prog.c
gcc -O -g -Wall prog.o -L./inst/lib -lusual -o prog
$ ls
Makefile inst libusual prog prog.c prog.o
$ LD_LIBRARY_PATH=./inst/lib ./prog
crc: 12345678</tt></pre>
</div></div>
<div class="paragraph"><p>Done!</p></div>
</div>
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