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145 lines
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright (C) 2025 Kernkonzept GmbH.</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Author(s): Frank Mehnert <frank.mehnert@kernkonzept.com></span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <stddef.h></span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <stdio.h></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <<a class="code" href="compiler_8h.html">l4/sys/compiler.h</a>></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">int</span> l4util_human_readable_size(<span class="keywordtype">char</span> *outstr, <span class="keywordtype">size_t</span> outsize,</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> bytes)</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>{</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> *<span class="keyword">const</span> unitstr = <span class="stringliteral">"BKMGT"</span>;</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordtype">int</span> idx = <span class="keyword">sizeof</span>(unitstr) - 2;</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">int</span> order;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">for</span> (order = idx * 10; order > 10; order -= 10, --idx)</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (bytes > (1ULL << order))</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> value = bytes >> order;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> fract = (bytes - (value << order))</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> / ((1ULL << order) / 10 + 1);</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> snprintf(outstr, outsize, <span class="stringliteral">"%llu.%1llu %ciB"</span>,</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> value, fract, unitstr[idx]);</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>}</div>
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<div class="ttc" id="acompiler_8h_html"><div class="ttname"><a href="compiler_8h.html">compiler.h</a></div><div class="ttdoc">L4 compiler related defines.</div></div>
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<div class="ttc" id="agroup__l4sys__defines_html_ga427377e23e3680dc178035d391b2ca45"><div class="ttname"><a href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div><div class="ttdeci">#define L4_INLINE</div><div class="ttdoc">L4 Inline function attribute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00051">compiler.h:51</a></div></div>
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<li class="navelem"><b>l4</b></li><li class="navelem"><b>util</b></li><li class="navelem"><b>printf_helpers.h</b></li>
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<li class="footer">Generated on <span class="timestamp"></span> for L4Re Operating System Framework by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.15.0 </li>
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