<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>libnjb: setowner.c</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnjb <span id="projectnumber">2.2.6</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> </div> <div class="header"> <div class="headertitle"> <h1>setowner.c</h1> </div> </div> <div class="contents"> <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; } </pre></div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated on Tue Feb 8 2011 for libnjb by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>