blob: 31103c8544fde957e2b4391fcc471f6e37480224 [file] [log] [blame]
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>fcb_append_finish &mdash; Apache Mynewt latest documentation</title>
<link rel="shortcut icon" href="../../../_static/mynewt-logo-only-newt32x32.png"/>
<link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/sphinx_theme.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/bootstrap-3.0.3.min.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/v2.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/custom.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/restructuredtext.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/css/overrides.css" type="text/css" />
<link rel="index" title="Index"
href="../../../genindex.html"/>
<link rel="search" title="Search" href="../../../search.html"/>
<link rel="top" title="Apache Mynewt latest documentation" href="../../../index.html"/>
<script src="../../../_static/js/modernizr.min.js"></script>
<script>
(function(i, s, o, g, r, a, m) {
i["GoogleAnalyticsObject"] = r;
(i[r] =
i[r] ||
function() {
(i[r].q = i[r].q || []).push(arguments);
}),
(i[r].l = 1 * new Date());
(a = s.createElement(o)), (m = s.getElementsByTagName(o)[0]);
a.async = 1;
a.src = g;
m.parentNode.insertBefore(a, m);
})(window, document, "script", "//www.google-analytics.com/analytics.js", "ga");
ga("create", "UA-72162311-1", "auto");
ga("send", "pageview");
</script>
</head>
<body class="not-front page-documentation" role="document" >
<div id="wrapper">
<div class="container">
<div id="banner" class="row v2-main-banner">
<a class="logo-cell" href="/">
<img class="logo" src="../../../_static/img/logo.png">
</a>
<div class="tagline-cell">
<h4 class="tagline">An OS to build, deploy and securely manage billions of devices</h4>
</div>
<div class="news-cell">
<div class="well">
<h4>Latest News:</h4> <a href="/download">Apache Mynewt 1.11.0, Apache NimBLE 1.6.0 </a> released September 7, 2023)
</div>
</div>
</div>
</div>
<header>
<nav id="navbar" class="navbar navbar-inverse" role="navigation">
<div class="container">
<!-- Collapsed navigation -->
<div class="navbar-header">
<!-- Expander button -->
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<!-- Expanded navigation -->
<div class="navbar-collapse collapse">
<!-- Main navigation -->
<ul class="nav navbar-nav navbar-right">
<li>
<a href="/"><i class="fa fa-home" style="font-size: larger;"></i></a>
</li>
<li class="important">
<a href="/quick-start/">Quick Start</a>
</li>
<li>
<a href="/about/">About</a>
</li>
<li>
<a href="/talks/">Talks</a>
</li>
<li class="active">
<a href="/documentation/">Documentation</a>
</li>
<li>
<a href="/download/">Download</a>
</li>
<li>
<a href="/community/">Community</a>
</li>
<li>
<a href="/events/">Events</a>
</li>
</ul>
<!-- Search, Navigation and Repo links -->
<ul class="nav navbar-nav navbar-right">
</ul>
</div>
</div>
</nav>
</header>
<!-- STARTS MAIN CONTENT -->
<div id="main-content">
<div id="breadcrumb">
<div class="container">
<a href="/documentation/">Docs</a> /
fcb_append_finish
<div class="sourcelink">
<a href="https://github.com/apache/mynewt-core/edit/master/docs/os/modules/fcb/fcb_append_finish.rst" class="icon icon-github"
rel="nofollow"> Edit on GitHub</a>
</div>
</div>
</div>
<!-- STARTS CONTAINER -->
<div class="container">
<!-- STARTS .content -->
<div id="content" class="row">
<!-- STARTS .container-sidebar -->
<div class="container-sidebar col-xs-12 col-sm-3">
<div id="docSidebar" class="sticky-container">
<div role="search" class="sphinx-search">
<form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
<input type="text" name="q" placeholder="Search documentation" class="search-documentation" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
<!-- Note: only works when deployed -->
<select class="form-control" onchange="if (this.value) window.location.href=this.value">
<option value="/latest" selected>
Version: latest
</option>
<option value="/v1_11_0" >
Version: 1.11.0
</option>
<option value="/v1_10_0" >
Version: 1.10.0
</option>
<option value="/v1_9_0" >
Version: 1.9.0
</option>
<option value="/v1_8_0" >
Version: 1.8.0
</option>
<option value="/v1_7_0" selected="selected" >
Version: 1.7.0
</option>
<option value="/v1_6_0" >
Version: 1.6.0
</option>
<option value="/v1_5_0" >
Version: 1.5.0
</option>
<option value="/v1_4_0" >
Version: 1.4.0
</option>
<option value="/v1_3_0/os/introduction" >
Version: 1.3.0
</option>
<option value="/v1_2_0/os/introduction" >
Version: 1.2.0
</option>
<option value="/v1_1_0/os/introduction" >
Version: 1.1.0
</option>
<option value="/v1_0_0/os/introduction" >
Version: 1.0.0
</option>
<option value="/v0_9_0/os/introduction" >
Version: 0.9.0
</option>
</select>
<div class="region region-sidebar">
<div class="docs-menu">
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../../index.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../get_started/index.html">Setup &amp; Get Started</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../concepts.html">Concepts</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../tutorials/tutorials.html">Tutorials</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../external_links.html">Third-party Resources</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../os_user_guide.html">OS User Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../network/index.html">BLE User Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../newt/index.html">Newt Tool Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../newtmgr/index.html">Newt Manager Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../mynewt_faq/index.html">Mynewt FAQ</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../misc/index.html">Appendix</a></li>
</ul>
</div>
</div>
</div>
<!-- ENDS STICKY CONTAINER -->
</div>
<!-- ENDS .container-sidebar -->
<div class="col-xs-12 col-sm-9">
<div class="alert alert-warning">
<p>
Version 1.7.0 is not the most recent version of the
Apache Mynewt documentation. Click <a href="/latest">here</a> to
read the latest version.
</p>
</div>
<div class="">
<div class="rst-content">
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
<div itemprop="articleBody">
<div class="section" id="fcb-append-finish">
<h1>fcb_append_finish<a class="headerlink" href="#fcb-append-finish" title="Permalink to this headline"></a></h1>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">int fcb_append_finish(struct fcb *fcb, struct fcb_entry *append_loc);</span>
</pre></div>
</div>
<p>Finalizes the write of new element. FCB computes the checksum over the
element and updates it in flash.</p>
<div class="section" id="arguments">
<h2>Arguments<a class="headerlink" href="#arguments" title="Permalink to this headline"></a></h2>
<table class="docutils align-default">
<colgroup>
<col style="width: 47%" />
<col style="width: 53%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Arguments</p></th>
<th class="head"><p>Description</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>fcb</p></td>
<td><p>Points to FCB
where data is
written to.</p></td>
</tr>
<tr class="row-odd"><td><p>append_loc</p></td>
<td><p>Pointer to
fcb_entry.
Use the
fcb_entry
returned by
fcb_append().</p></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="returned-values">
<h2>Returned values<a class="headerlink" href="#returned-values" title="Permalink to this headline"></a></h2>
<p>Returns 0 on success; nonzero on failure.</p>
</div>
<div class="section" id="notes">
<h2>Notes<a class="headerlink" href="#notes" title="Permalink to this headline"></a></h2>
<p>You need to call fcb_append_finish() after writing the element
contents. Otherwise FCB will consider this entry to be invalid, and
skips over it when reading.</p>
</div>
<div class="section" id="example">
<h2>Example<a class="headerlink" href="#example" title="Permalink to this headline"></a></h2>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- ENDS CONTENT SECTION -->
</div>
<!-- ENDS .content -->
</div>
</div>
<footer>
<div class="container">
<div class="row">
<div class="col-xs-12">
<p class="copyright">Apache Mynewt is available under Apache License, version 2.0.</p>
</div>
<div class="col-xs-12">
<div class="logos">
<img src="../../../_static/img/asf_logo_wide_small.png" alt="Apache" title="Apache">
<small class="footnote">
Apache Mynewt, Mynewt, Apache, the Apache feather logo, and the Apache Mynewt project logo are either
registered trademarks or trademarks of the Apache Software Foundation in the United States and other countries.
</small>
<a href="">
<img src="../../../_static/img/add_to_slack.png" alt="Slack Icon" title="Join our Slack Community" />
</a>
</div>
</div>
</div>
</div>
</footer>
</div>
<!-- ENDS #wrapper -->
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT:'../../../',
VERSION:'latest',
COLLAPSE_INDEX:false,
FILE_SUFFIX:'.html',
HAS_SOURCE: true,
SOURCELINK_SUFFIX: '.txt',
LINK_SUFFIX: '.html'
};
</script>
<script type="text/javascript" src="../../../_static/jquery.js"></script>
<script type="text/javascript" src="../../../_static/underscore.js"></script>
<script type="text/javascript" src="../../../_static/doctools.js"></script>
<script type="text/javascript" src="../../../_static/js/bootstrap-3.0.3.min.js"></script>
<script type="text/javascript" src="../../../_static/js/affix.js"></script>
<script type="text/javascript" src="../../../_static/js/main.js"></script>
</body>
</html>