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<div class="title">apr_optional_hooks.h</div> </div>
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<a href="apr__optional__hooks_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Licensed to the Apache Software Foundation (ASF) under one or more</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> */</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef APR_OPTIONAL_HOOK_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#define APR_OPTIONAL_HOOK_H</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "apr_tables.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> APU_DECLARE(<span class="keywordtype">void</span>) <a class="code" href="group___a_p_r___util___o_p_t___h_o_o_k.html#gaff32812046580ae53b0368918374a3b6">apr_optional_hook_add</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *szName,<span class="keywordtype">void</span> (*pfn)(<span class="keywordtype">void</span>),</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *aszPre,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *aszSucc,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> nOrder);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="group___a_p_r___util___o_p_t___h_o_o_k.html#ga808d07f9a3e5df6517ba027972c79e4f"> 64</a></span> <span class="preprocessor">#define APR_OPTIONAL_HOOK(ns,name,pfn,aszPre,aszSucc,nOrder) do { \</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> ns##_HOOK_##name##_t *apu__hook = pfn; \</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"> apr_optional_hook_add(#name,(void (*)(void))apu__hook,aszPre, aszSucc, nOrder); \</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">} while (0)</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> APU_DECLARE(apr_array_header_t *) apr_optional_hook_get(<span class="keyword">const</span> <span class="keywordtype">char</span> *szName);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="group___a_p_r___util___o_p_t___h_o_o_k.html#ga3e6fa7b8e9ce140b26d8f6ce34e6ae82"> 90</a></span> <span class="preprocessor">#define APR_IMPLEMENT_OPTIONAL_HOOK_RUN_ALL(ns,link,ret,name,args_decl,args_use,ok,decline) \</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">link##_DECLARE(ret) ns##_run_##name args_decl \</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"> ns##_LINK_##name##_t *pHook; \</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"> int n; \</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"> ret rv; \</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor"> apr_array_header_t *pHookArray=apr_optional_hook_get(#name); \</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"> if(!pHookArray) \</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"> return ok; \</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"> pHook=(ns##_LINK_##name##_t *)pHookArray->elts; \</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> for(n=0 ; n < pHookArray->nelts ; ++n) \</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"> rv=(pHook[n].pFunc)args_use; \</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> if(rv != ok && rv != decline) \</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"> return rv; \</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> return ok; \</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> }</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif </span><span class="comment">/* APR_OPTIONAL_HOOK_H */</span><span class="preprocessor"></span></div><div class="ttc" id="group___a_p_r___util___o_p_t___h_o_o_k_html_gaff32812046580ae53b0368918374a3b6"><div class="ttname"><a href="group___a_p_r___util___o_p_t___h_o_o_k.html#gaff32812046580ae53b0368918374a3b6">apr_optional_hook_add</a></div><div class="ttdeci">void apr_optional_hook_add(const char *szName, void(*pfn)(void), const char *const *aszPre, const char *const *aszSucc, int nOrder)</div></div>
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