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<h1>getusage.c</h1><div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span>
<span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<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#46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>];
<a class="code" href="structnjb__struct.html">njb_t</a> *njb;
<span class="keywordtype">int</span> n, opt, debug;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
u_int64_t total;
u_int64_t free;
debug = 0;
<span class="keywordflow">while</span> ( (opt = getopt(argc, argv, <span class="stringliteral">"D:"</span>)) != -1 ) {
<span class="keywordflow">switch</span> (opt) {
<span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
debug = atoi(optarg);
<span class="keywordflow">break</span>;
<span class="keywordflow">default</span>:
fprintf(stderr, <span class="stringliteral">"usage: handshake [ -D debuglvl ]\n"</span>);
<span class="keywordflow">return</span> 1;
}
}
<span class="keywordflow">if</span> ( debug ) <a name="a2"></a><a class="code" href="group__internals.html#ga5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);
<span class="keywordflow">if</span> (<a name="a3"></a><a class="code" href="group__basic.html#g199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {
fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( n == 0 ) {
fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);
<span class="keywordflow">return</span> 0;
}
njb = &njbs[0];
<span class="keywordflow">if</span> ( <a name="a4"></a><a class="code" href="group__basic.html#ga631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
<a name="a5"></a><a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> (<a name="a6"></a><a class="code" href="group__basic.html#gb45cd3177a295ea8604423080e7e62ed">NJB_Get_Disk_Usage</a>(njb, &total, &free) == -1) {
<a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="preprocessor">#ifdef __WIN32__</span>
<span class="preprocessor"></span> printf(<span class="stringliteral">"Total bytes on jukebox: %I64u (%I64u MB)\n"</span>,
total, total/(1024*1024));
printf(<span class="stringliteral">"Free bytes on jukebox: %I64u (%I64u MB)\n"</span>,
free, free/(1024*1024));
<span class="preprocessor">#else</span>
<span class="preprocessor"></span> printf(<span class="stringliteral">"Total bytes on jukebox: %llu (%llu MB)\n"</span>,
total, total/(1024*1024));
printf(<span class="stringliteral">"Free bytes on jukebox: %llu (%llu MB)\n"</span>,
free, free/(1024*1024));
<span class="preprocessor">#endif</span>
<span class="preprocessor"></span>
<a name="a7"></a><a class="code" href="group__basic.html#g13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
<span class="keywordflow">return</span> 0;
}
</pre></div> </div>
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