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<h1>setowner.c</h1> </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span>
<span class="preprocessor">#include <string.h></span>
<span class="keyword">static</span> <span class="keywordtype">char</span> *prompt (<span class="keyword">const</span> <span class="keywordtype">char</span> *prompt, <span class="keywordtype">char</span> *buffer, <span class="keywordtype">size_t</span> bufsz, <span class="keywordtype">int</span> required)
{
<span class="keywordtype">char</span> *cp, *bp;
<span class="keywordflow">while</span> (1) {
fprintf(stdout, <span class="stringliteral">"%s> "</span>, prompt);
<span class="keywordflow">if</span> ( fgets(buffer, bufsz, stdin) == NULL ) {
<span class="keywordflow">if</span> (ferror(stdin)) {
perror(<span class="stringliteral">"fgets"</span>);
} <span class="keywordflow">else</span> {
fprintf(stderr, <span class="stringliteral">"EOF on stdin\n"</span>);
}
<span class="keywordflow">return</span> NULL;
}
cp = strrchr(buffer, <span class="charliteral">'\n'</span>);
<span class="keywordflow">if</span> ( cp != NULL ) *cp= <span class="charliteral">'\0'</span>;
bp = buffer;
<span class="keywordflow">while</span> ( bp != cp ) {
<span class="keywordflow">if</span> ( *bp != <span class="charliteral">' '</span> ) <span class="keywordflow">return</span> bp;
bp++;
}
<span class="keywordflow">if</span> (! required) <span class="keywordflow">return</span> bp;
}
}
<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#a46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>], *njb;
<span class="keywordtype">int</span> n, opt, debug;
<span class="keywordtype">char</span> newowner[80];
<span class="keywordtype">char</span> *pown;
<span class="keywordtype">char</span> *ownerstring;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
<span class="keywordtype">char</span> *lang;
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: %s [ -D debuglvl ]\n"</span>, argv[0]);
<span class="keywordflow">return</span> 1;
}
}
<span class="keywordflow">if</span> ( debug ) <a name="a2"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);
<span class="comment">/*</span>
<span class="comment"> * Check environment variables $LANG and $LC_CTYPE</span>
<span class="comment"> * to see if we want to support UTF-8 unicode</span>
<span class="comment"> * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?"</span>
<span class="comment"> * trigger unicode support.</span>
<span class="comment"> */</span>
lang = getenv(<span class="stringliteral">"LANG"</span>);
<span class="keywordflow">if</span> (lang != NULL) {
<span class="keywordflow">if</span> (strlen(lang) > 5) {
<span class="keywordflow">if</span> (!strcmp(&lang[strlen(lang)-5], <span class="stringliteral">"UTF-8"</span>)) {
<a name="a3"></a><a class="code" href="group__internals.html#ga22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a4"></a><a class="code" href="group__unicodeflags.html#ga388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>);
}
}
}
<span class="keywordflow">if</span> (<a name="a5"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">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> 1;
}
njb = njbs;
<span class="keywordflow">if</span> ( <a name="a6"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
<a name="a7"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( (pown = prompt(<span class="stringliteral">"New ownerstring"</span>, newowner, 80, 1)) == NULL ) <span class="keywordflow">return</span> 1;
<span class="keywordflow">if</span> ( <a name="a8"></a><a class="code" href="group__basic.html#gac24779b3f78bf1290d09a2b80db49a3d">NJB_Set_Owner_String</a> (njb, newowner) == -1 ) {
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
ownerstring = <a name="a9"></a><a class="code" href="group__basic.html#gadca7f2a175da4e25244e81a5abafad7d">NJB_Get_Owner_String</a>(njb);
printf(<span class="stringliteral">"New owner string: %s\n"</span>, ownerstring);
free(ownerstring);
<a name="a10"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
<span class="keywordflow">return</span> 0;
}
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