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libnjb-devel-2.2.7-1.fc14.x86_64.rpm

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   <div id="projectname">libnjb&#160;<span id="projectnumber">2.2.7</span></div>
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<div class="title">tagtr.c</div>  </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include &quot;common.h&quot;</span>
<span class="preprocessor">#include &lt;string.h&gt;</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">&quot;%s&gt; &quot;</span>, prompt);
    <span class="keywordflow">if</span> ( fgets(buffer, bufsz, stdin) == NULL ) {
      <span class="keywordflow">if</span> (ferror(stdin)) {
        perror(<span class="stringliteral">&quot;fgets&quot;</span>);
      } <span class="keywordflow">else</span> {
        fprintf(stderr, <span class="stringliteral">&quot;EOF on stdin\n&quot;</span>);
      }
      <span class="keywordflow">return</span> NULL;
    }
    
    cp= strrchr(buffer, <span class="charliteral">&#39;\n&#39;</span>);
    <span class="keywordflow">if</span> ( cp != NULL ) *cp= <span class="charliteral">&#39;\0&#39;</span>;
    
    bp= buffer;
    <span class="keywordflow">while</span> ( bp != cp ) {
      <span class="keywordflow">if</span> ( *bp != <span class="charliteral">&#39; &#39;</span> &amp;&amp; *bp != <span class="charliteral">&#39;\t&#39;</span> ) <span class="keywordflow">return</span> bp;
      bp++;
    }
    
    <span class="keywordflow">if</span> (! required) <span class="keywordflow">return</span> bp;
  }
}

<span class="keyword">static</span> <span class="keywordtype">void</span> usage (<span class="keywordtype">void</span>)
{
  fprintf(stderr, <span class="stringliteral">&quot;usage: tagtr [ -D debuglvl ] &lt;trackid&gt;\n&quot;</span>);
  exit(1);
}

<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, lookup;
  <span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
  <span class="keyword">extern</span> <span class="keywordtype">int</span> optind;
  <span class="keywordtype">char</span> filename[80], artist[80], title[80], genre[80], codec[80], album[80];
  <span class="keywordtype">char</span> num[80];
  <span class="keywordtype">char</span> *pfilename, *partist, *ptitle, *pgenre, *pcodec, *palbum, *pnum;
  <span class="keywordtype">char</span> *endptr;
  u_int16_t tracknum, length, year;
  u_int32_t filesize;
  <span class="keywordtype">int</span> trackid;
  <span class="keywordtype">char</span> *lang;
  <a name="_a2"></a><a class="code" href="structnjb__songid__struct.html">njb_songid_t</a> *songid;
  <a name="_a3"></a><a class="code" href="structnjb__songid__frame__struct.html">njb_songid_frame_t</a> *frame;
  
  debug = 0;
  lookup = 0;
  
  <span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">&quot;D:l&quot;</span>)) != -1 ) {
    <span class="keywordflow">switch</span> (opt) {
    <span class="keywordflow">case</span> <span class="charliteral">&#39;l&#39;</span>:
      lookup= 1;
    <span class="keywordflow">case</span> <span class="charliteral">&#39;D&#39;</span>:
      debug= atoi(optarg);
      <span class="keywordflow">break</span>;
    <span class="keywordflow">default</span>:
      usage();
    }
  }
  argc-= optind;
  argv+= optind;
  
  <span class="keywordflow">if</span> ( argc != 1 ) usage();
  
  <span class="keywordflow">if</span> ( debug ) <a name="a4"></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 = &quot;xx_XX.UTF-8&quot; or $LC_CTYPE = &quot;?&quot;</span>
<span class="comment">   * trigger unicode support.</span>
<span class="comment">   */</span>
  lang = getenv(<span class="stringliteral">&quot;LANG&quot;</span>);
  <span class="keywordflow">if</span> (lang != NULL) {
    <span class="keywordflow">if</span> (strlen(lang) &gt; 5) {
      <span class="keywordflow">if</span> (!strcmp(&amp;lang[strlen(lang)-5], <span class="stringliteral">&quot;UTF-8&quot;</span>)) {
        <a name="a5"></a><a class="code" href="group__internals.html#ga22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a6"></a><a class="code" href="group__unicodeflags.html#ga388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>);
      }
    }
  }
  
  trackid= strtoul(argv[0], &amp;endptr, 10);
  <span class="keywordflow">if</span> ( endptr[0] != <span class="charliteral">&#39;\0&#39;</span> ) {
    fprintf(stderr, <span class="stringliteral">&quot;invalid id %s\n&quot;</span>, argv[1]);
    <span class="keywordflow">return</span> 1;
  }
  
  <span class="keywordflow">if</span> ( (pcodec= prompt(<span class="stringliteral">&quot;CODEC&quot;</span>, codec, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(pcodec) ) pcodec= NULL;
  
  <span class="keywordflow">if</span> ( (ptitle= prompt(<span class="stringliteral">&quot;Title&quot;</span>, title, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(ptitle) ) ptitle= NULL;
  
  <span class="keywordflow">if</span> ( (palbum= prompt(<span class="stringliteral">&quot;Album&quot;</span>, album, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(palbum) ) palbum= NULL;
  
  <span class="keywordflow">if</span> ( (partist= prompt(<span class="stringliteral">&quot;Artist&quot;</span>, artist, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(partist) ) partist= NULL;
  
  <span class="keywordflow">if</span> ( (pgenre= prompt(<span class="stringliteral">&quot;Genre&quot;</span>, genre, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(pgenre) ) pgenre= NULL;
  
  <span class="keywordflow">if</span> ( (pfilename= prompt(<span class="stringliteral">&quot;File path&quot;</span>, filename, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( ! strlen(pfilename) ) pfilename= NULL;
  
  <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">&quot;Track number&quot;</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( strlen(pnum) ) {
    tracknum = strtoul(pnum, 0, 10);
  } <span class="keywordflow">else</span> {
    tracknum = 0;
  }
  
  <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">&quot;Length&quot;</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( strlen(pnum) ) {
    length= strtoul(pnum, 0, 10);
  } <span class="keywordflow">else</span> {
    length= 0;
  }
  
  <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">&quot;Year&quot;</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1;
  <span class="keywordflow">if</span> ( strlen(pnum) ) {
    year = strtoul(pnum, 0, 10);
  } <span class="keywordflow">else</span> {
    year = 0;
  }
  
  filesize= 0;
  <span class="keywordflow">if</span> ( ! lookup ) {
    <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">&quot;File size&quot;</span>, num, 80, 0)) == NULL ) 
      <span class="keywordflow">return</span> 1;
    <span class="keywordflow">if</span> ( strlen(pnum) ) {
      filesize = strtoul(pnum, 0, 10);
    } <span class="keywordflow">else</span> {
      filesize = 0;
    }
  }

  <span class="keywordflow">if</span> (<a name="a7"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &amp;n) == -1) {
    fprintf(stderr, <span class="stringliteral">&quot;could not locate any jukeboxes\n&quot;</span>);
    <span class="keywordflow">return</span> 1;
  }

  <span class="keywordflow">if</span> ( n == 0 ) {
    fprintf(stderr, <span class="stringliteral">&quot;no NJB devices found\n&quot;</span>);
    <span class="keywordflow">return</span> 0;
  } 
  
  njb= njbs;
  
  <span class="keywordflow">if</span> ( <a name="a8"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
    <a name="a9"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
    <span class="keywordflow">return</span> 1;
  }
  
  <a name="a10"></a><a class="code" href="group__basic.html#ga023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb);
  
  songid = <a name="a11"></a><a class="code" href="group__tagapi.html#ga78703030798af2be6808335c6542aa6d">NJB_Songid_New</a>();
  frame = <a name="a12"></a><a class="code" href="group__tagapi.html#gabcbe1903a855d72b5e2b933c041a98bf">NJB_Songid_Frame_New_Codec</a>(pcodec);
  <a name="a13"></a><a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Filesize(filesize);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Title(ptitle);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Album(palbum);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Artist(partist);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Genre(pgenre);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Year(year);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Tracknum(tracknum);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Length(length);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  frame = NJB_Songid_Frame_New_Filename(pfilename);
  <a class="code" href="group__tagapi.html#ga0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame);
  
  <span class="keywordflow">if</span> ( <a name="a14"></a><a class="code" href="group__tagapi.html#ga8714367c0e56b681b75a7c7af9b2b739">NJB_Replace_Track_Tag</a>(njb, trackid, songid) == -1 ) {
    <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
  } <span class="keywordflow">else</span> {
    printf(<span class="stringliteral">&quot;NJB track ID:    %u\n&quot;</span>, trackid);
  }
  printf(<span class="stringliteral">&quot;\n&quot;</span>);
  
  <a name="a15"></a><a class="code" href="group__tagapi.html#ga188d05568998e787366804565e9fcfb5">NJB_Songid_Destroy</a>(songid);
  
  <a name="a16"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);
  
  <span class="keywordflow">return</span> 0;
}
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