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<div id="projectname">libnjb
 <span id="projectnumber">2.2.7</span>
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<div class="title">getusage.c</div> </div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include "common.h"</span></div>
<div class="line"></div>
<div class="line"><span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line">{</div>
<div class="line"> <a name="_a0"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a1"></a><a class="code" href="libnjb_8h.html#a46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>];</div>
<div class="line"> <a class="code" href="structnjb__struct.html">njb_t</a> *njb;</div>
<div class="line"> <span class="keywordtype">int</span> n, opt, debug;</div>
<div class="line"> <span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;</div>
<div class="line"> u_int64_t total;</div>
<div class="line"> u_int64_t free;</div>
<div class="line"> </div>
<div class="line"> debug = 0;</div>
<div class="line"> <span class="keywordflow">while</span> ( (opt = getopt(argc, argv, <span class="stringliteral">"D:"</span>)) != -1 ) {</div>
<div class="line"> <span class="keywordflow">switch</span> (opt) {</div>
<div class="line"> <span class="keywordflow">case</span> <span class="charliteral">'D'</span>:</div>
<div class="line"> debug = atoi(optarg);</div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="keywordflow">default</span>:</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"usage: handshake [ -D debuglvl ]\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( debug ) <a name="a2"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (<a name="a3"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> ( n == 0 ) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> njb = &njbs[0];</div>
<div class="line"></div>
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<div class="line"> <a name="a5"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (<a name="a6"></a><a class="code" href="group__basic.html#gab45cd3177a295ea8604423080e7e62ed">NJB_Get_Disk_Usage</a>(njb, &total, &free) == -1) {</div>
<div class="line"> <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#ifdef __WIN32__</span></div>
<div class="line"><span class="preprocessor"></span> printf(<span class="stringliteral">"Total bytes on jukebox: %I64u (%I64u MB)\n"</span>,</div>
<div class="line"> total, total/(1024*1024));</div>
<div class="line"> printf(<span class="stringliteral">"Free bytes on jukebox: %I64u (%I64u MB)\n"</span>,</div>
<div class="line"> free, free/(1024*1024));</div>
<div class="line"><span class="preprocessor">#else</span></div>
<div class="line"><span class="preprocessor"></span> printf(<span class="stringliteral">"Total bytes on jukebox: %llu (%llu MB)\n"</span>,</div>
<div class="line"> total, total/(1024*1024));</div>
<div class="line"> printf(<span class="stringliteral">"Free bytes on jukebox: %llu (%llu MB)\n"</span>,</div>
<div class="line"> free, free/(1024*1024));</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span> </div>
<div class="line"> <a name="a7"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
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