DISTRHO Plugin Framework
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

217 lines
23KB

  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml">
  3. <head>
  4. <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
  5. <meta http-equiv="X-UA-Compatible" content="IE=9"/>
  6. <meta name="generator" content="Doxygen 1.9.1"/>
  7. <meta name="viewport" content="width=device-width, initial-scale=1"/>
  8. <title>DISTRHO Plugin Framework: distrho/extra/LibraryUtils.hpp Source File</title>
  9. <link href="tabs.css" rel="stylesheet" type="text/css"/>
  10. <script type="text/javascript" src="jquery.js"></script>
  11. <script type="text/javascript" src="dynsections.js"></script>
  12. <link href="search/search.css" rel="stylesheet" type="text/css"/>
  13. <script type="text/javascript" src="search/searchdata.js"></script>
  14. <script type="text/javascript" src="search/search.js"></script>
  15. <link href="doxygen.css" rel="stylesheet" type="text/css" />
  16. </head>
  17. <body>
  18. <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  19. <div id="titlearea">
  20. <table cellspacing="0" cellpadding="0">
  21. <tbody>
  22. <tr style="height: 56px;">
  23. <td id="projectalign" style="padding-left: 0.5em;">
  24. <div id="projectname">DISTRHO Plugin Framework
  25. </div>
  26. </td>
  27. </tr>
  28. </tbody>
  29. </table>
  30. </div>
  31. <!-- end header part -->
  32. <!-- Generated by Doxygen 1.9.1 -->
  33. <script type="text/javascript">
  34. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
  35. var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
  36. /* @license-end */
  37. </script>
  38. <script type="text/javascript" src="menudata.js"></script>
  39. <script type="text/javascript" src="menu.js"></script>
  40. <script type="text/javascript">
  41. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
  42. $(function() {
  43. initMenu('',true,false,'search.php','Search');
  44. $(document).ready(function() { init_search(); });
  45. });
  46. /* @license-end */</script>
  47. <div id="main-nav"></div>
  48. <!-- window showing the filter options -->
  49. <div id="MSearchSelectWindow"
  50. onmouseover="return searchBox.OnSearchSelectShow()"
  51. onmouseout="return searchBox.OnSearchSelectHide()"
  52. onkeydown="return searchBox.OnSearchSelectKey(event)">
  53. </div>
  54. <!-- iframe showing the search results (closed by default) -->
  55. <div id="MSearchResultsWindow">
  56. <iframe src="javascript:void(0)" frameborder="0"
  57. name="MSearchResults" id="MSearchResults">
  58. </iframe>
  59. </div>
  60. <div id="nav-path" class="navpath">
  61. <ul>
  62. <li class="navelem"><a class="el" href="dir_37257469cca17bab24b582e18a78eb75.html">distrho</a></li><li class="navelem"><a class="el" href="dir_b1be46be7d80596b116b2b4ac973f2f0.html">extra</a></li> </ul>
  63. </div>
  64. </div><!-- top -->
  65. <div class="header">
  66. <div class="headertitle">
  67. <div class="title">LibraryUtils.hpp</div> </div>
  68. </div><!--header-->
  69. <div class="contents">
  70. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
  71. <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>
  72. <div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright (C) 2012-2021 Filipe Coelho &lt;falktx@falktx.com&gt;</span></div>
  73. <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> *</span></div>
  74. <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>
  75. <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>
  76. <div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * permission notice appear in all copies.</span></div>
  77. <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div>
  78. <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>
  79. <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>
  80. <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>
  81. <div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>
  82. <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN</span></div>
  83. <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
  84. <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> */</span></div>
  85. <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
  86. <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#ifndef DISTRHO_LIBRARY_UTILS_HPP_INCLUDED</span></div>
  87. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#define DISTRHO_LIBRARY_UTILS_HPP_INCLUDED</span></div>
  88. <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
  89. <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../DistrhoUtils.hpp&quot;</span></div>
  90. <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
  91. <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
  92. <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"># ifndef NOMINMAX</span></div>
  93. <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor"># define NOMINMAX</span></div>
  94. <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"># endif</span></div>
  95. <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor"># include &lt;winsock2.h&gt;</span></div>
  96. <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"># include &lt;windows.h&gt;</span></div>
  97. <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">typedef</span> HMODULE lib_t;</div>
  98. <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#else</span></div>
  99. <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"># include &lt;dlfcn.h&gt;</span></div>
  100. <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">void</span>* lib_t;</div>
  101. <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#endif</span></div>
  102. <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; </div>
  103. <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<a class="code" href="group__NamespaceMacros.html#gac4cb97c393d20c28ba19365d844341cd">START_NAMESPACE_DISTRHO</a></div>
  104. <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div>
  105. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>
  106. <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// library related calls</span></div>
  107. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
  108. <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">/*</span></div>
  109. <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment"> * Open &#39;filename&#39; library (must not be null).</span></div>
  110. <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment"> * May return null, in which case &quot;lib_error&quot; has the error.</span></div>
  111. <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment"> */</span></div>
  112. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>
  113. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;lib_t lib_open(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> filename) noexcept</div>
  114. <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;{</div>
  115. <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(filename != <span class="keyword">nullptr</span> &amp;&amp; filename[0] != <span class="charliteral">&#39;\0&#39;</span>, <span class="keyword">nullptr</span>);</div>
  116. <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
  117. <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">try</span> {</div>
  118. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
  119. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; return ::LoadLibraryA(filename);</div>
  120. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor">#else</span></div>
  121. <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; return ::dlopen(filename, RTLD_NOW|RTLD_LOCAL);</div>
  122. <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor">#endif</span></div>
  123. <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; } DISTRHO_SAFE_EXCEPTION_RETURN(<span class="stringliteral">&quot;lib_open&quot;</span>, <span class="keyword">nullptr</span>);</div>
  124. <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;}</div>
  125. <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
  126. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment">/*</span></div>
  127. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment"> * Close a previously opened library (must not be null).</span></div>
  128. <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment"> * If false is returned, &quot;lib_error&quot; has the error.</span></div>
  129. <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment"> */</span></div>
  130. <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>
  131. <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keywordtype">bool</span> lib_close(<span class="keyword">const</span> lib_t lib) noexcept</div>
  132. <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;{</div>
  133. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(lib != <span class="keyword">nullptr</span>, <span class="keyword">false</span>);</div>
  134. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; </div>
  135. <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">try</span> {</div>
  136. <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
  137. <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; return ::FreeLibrary(lib);</div>
  138. <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor">#else</span></div>
  139. <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">return</span> (::dlclose(lib) == 0);</div>
  140. <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor">#endif</span></div>
  141. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; } DISTRHO_SAFE_EXCEPTION_RETURN(<span class="stringliteral">&quot;lib_close&quot;</span>, <span class="keyword">false</span>);</div>
  142. <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div>
  143. <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
  144. <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="comment">/*</span></div>
  145. <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment"> * Get a library symbol (must not be null).</span></div>
  146. <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment"> * Returns null if the symbol is not found.</span></div>
  147. <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="comment"> */</span></div>
  148. <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Func&gt;</div>
  149. <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>
  150. <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;Func lib_symbol(<span class="keyword">const</span> lib_t lib, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> symbol) noexcept</div>
  151. <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;{</div>
  152. <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(lib != <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>);</div>
  153. <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(symbol != <span class="keyword">nullptr</span> &amp;&amp; symbol[0] != <span class="charliteral">&#39;\0&#39;</span>, <span class="keyword">nullptr</span>);</div>
  154. <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
  155. <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">try</span> {</div>
  156. <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
  157. <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="preprocessor"># if defined(__GNUC__) &amp;&amp; (__GNUC__ &gt;= 9)</span></div>
  158. <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="preprocessor"># pragma GCC diagnostic push</span></div>
  159. <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="preprocessor"># pragma GCC diagnostic ignored &quot;-Wcast-function-type&quot;</span></div>
  160. <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="preprocessor"># endif</span></div>
  161. <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> (Func)::GetProcAddress(lib, symbol);</div>
  162. <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor"># if defined(__GNUC__) &amp;&amp; (__GNUC__ &gt;= 9)</span></div>
  163. <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor"># pragma GCC diagnostic pop</span></div>
  164. <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor"># endif</span></div>
  165. <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="preprocessor">#else</span></div>
  166. <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">return</span> (Func)(uintptr_t)::dlsym(lib, symbol);</div>
  167. <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor">#endif</span></div>
  168. <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; } DISTRHO_SAFE_EXCEPTION_RETURN(<span class="stringliteral">&quot;lib_symbol&quot;</span>, <span class="keyword">nullptr</span>);</div>
  169. <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div>
  170. <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
  171. <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment">/*</span></div>
  172. <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment"> * Return the last operation error (&#39;filename&#39; must not be null).</span></div>
  173. <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment"> * May return null.</span></div>
  174. <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="comment"> */</span></div>
  175. <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>
  176. <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>* lib_error(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> filename) noexcept</div>
  177. <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;{</div>
  178. <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; DISTRHO_SAFE_ASSERT_RETURN(filename != <span class="keyword">nullptr</span> &amp;&amp; filename[0] != <span class="charliteral">&#39;\0&#39;</span>, <span class="keyword">nullptr</span>);</div>
  179. <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; </div>
  180. <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor">#ifdef DISTRHO_OS_WINDOWS</span></div>
  181. <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keyword">static</span> <span class="keywordtype">char</span> libError[2048+1];</div>
  182. <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; std::memset(libError, 0, <span class="keyword">sizeof</span>(libError));</div>
  183. <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; </div>
  184. <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">try</span> {</div>
  185. <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">const</span> DWORD winErrorCode = ::GetLastError();</div>
  186. <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> winErrorFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS;</div>
  187. <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; LPVOID winErrorString;</div>
  188. <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; </div>
  189. <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; ::FormatMessage(winErrorFlags, <span class="keyword">nullptr</span>, winErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&amp;winErrorString, 0, <span class="keyword">nullptr</span>);</div>
  190. <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; </div>
  191. <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; std::snprintf(libError, 2048, <span class="stringliteral">&quot;%s: error code %li: %s&quot;</span>, filename, winErrorCode, (<span class="keyword">const</span> <span class="keywordtype">char</span>*)winErrorString);</div>
  192. <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; ::LocalFree(winErrorString);</div>
  193. <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; } DISTRHO_SAFE_EXCEPTION(<span class="stringliteral">&quot;lib_error&quot;</span>);</div>
  194. <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; </div>
  195. <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">return</span> (libError[0] != <span class="charliteral">&#39;\0&#39;</span>) ? libError : <span class="keyword">nullptr</span>;</div>
  196. <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="preprocessor">#else</span></div>
  197. <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; return ::dlerror();</div>
  198. <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="preprocessor">#endif</span></div>
  199. <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div>
  200. <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; </div>
  201. <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>
  202. <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; </div>
  203. <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<a class="code" href="group__NamespaceMacros.html#ga3ff541a449593e069a29e92d21e38ef3">END_NAMESPACE_DISTRHO</a></div>
  204. <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; </div>
  205. <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// DISTRHO_LIBRARY_UTILS_HPP_INCLUDED</span></div>
  206. <div class="ttc" id="agroup__NamespaceMacros_html_ga3ff541a449593e069a29e92d21e38ef3"><div class="ttname"><a href="group__NamespaceMacros.html#ga3ff541a449593e069a29e92d21e38ef3">END_NAMESPACE_DISTRHO</a></div><div class="ttdeci">#define END_NAMESPACE_DISTRHO</div><div class="ttdef"><b>Definition:</b> DistrhoInfo.hpp:949</div></div>
  207. <div class="ttc" id="agroup__NamespaceMacros_html_gac4cb97c393d20c28ba19365d844341cd"><div class="ttname"><a href="group__NamespaceMacros.html#gac4cb97c393d20c28ba19365d844341cd">START_NAMESPACE_DISTRHO</a></div><div class="ttdeci">#define START_NAMESPACE_DISTRHO</div><div class="ttdef"><b>Definition:</b> DistrhoInfo.hpp:943</div></div>
  208. </div><!-- fragment --></div><!-- contents -->
  209. <!-- start footer part -->
  210. <hr class="footer"/><address class="footer"><small>
  211. Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
  212. </small></address>
  213. </body>
  214. </html>