<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>EXIF library (libexif) API: libexif/exif-log.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">EXIF library (libexif) API  <span id="projectnumber">0.6.22</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.15 --> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('exif-log_8h_source.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">exif-log.h</div> </div> </div><!--header--> <div class="contents"> <a href="exif-log_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> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Copyright (c) 2004 Lutz Mueller <lutz@users.sourceforge.net></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * version 2 of the License, or (at your option) any later version.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This library is distributed in the hope that it will be useful, </span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of </span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Lesser General Public License for more details. </span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * License along with this library; if not, write to the</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Boston, MA 02110-1301 USA.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef __EXIF_LOG_H__</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#define __EXIF_LOG_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="exif-mem_8h.html">libexif/exif-mem.h</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <stdarg.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b"> 34</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>_ExifLog <a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a>;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *<a class="code" href="exif-log_8h.html#a92d3525981d3d604521ca74ce05d0add">exif_log_new</a> (<span class="keywordtype">void</span>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *exif_log_new_mem (<a class="code" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">void</span> exif_log_ref (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">void</span> exif_log_unref (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">void</span> <a class="code" href="exif-log_8h.html#acd0808d6d5be73f28059797c2e2e67dc">exif_log_free</a> (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  EXIF_LOG_CODE_NONE,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  EXIF_LOG_CODE_DEBUG,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  EXIF_LOG_CODE_NO_MEMORY,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  EXIF_LOG_CODE_CORRUPT_DATA</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> } ExifLogCode;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="exif-log_8h.html#a31cf3057f5546ae2881d817c70ebca55">exif_log_code_get_title</a> (ExifLogCode code);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="exif-log_8h.html#afe3839462dc826b72b9b13cdc6931473">exif_log_code_get_message</a> (ExifLogCode code);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="exif-log_8h.html#af32ad5a4b7e0a86a7a441463f3b15895"> 77</a></span> <span class="keyword">typedef</span> void (* <a class="code" href="exif-log_8h.html#af32ad5a4b7e0a86a7a441463f3b15895">ExifLogFunc</a>) (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log, ExifLogCode, <span class="keyword">const</span> <span class="keywordtype">char</span> *domain,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *format, va_list args, <span class="keywordtype">void</span> *data);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keywordtype">void</span> <a class="code" href="exif-log_8h.html#a493a369b7020265971cdaf8be9a2f6fe">exif_log_set_func</a> (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log, <a class="code" href="exif-log_8h.html#af32ad5a4b7e0a86a7a441463f3b15895">ExifLogFunc</a> func, <span class="keywordtype">void</span> *data);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#ifndef NO_VERBOSE_TAG_STRINGS</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keywordtype">void</span> exif_log (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log, ExifLogCode, <span class="keyword">const</span> <span class="keywordtype">char</span> *domain,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ...)</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#ifdef __GNUC__</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  __attribute__((__format__(printf,4,5)))</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> ;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#define exif_log(...) do { } while (0)</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#elif defined(__GNUC__)</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#define exif_log(x...) do { } while (0)</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#define exif_log (void)</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> exif_logv (<a class="code" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log, ExifLogCode, <span class="keyword">const</span> <span class="keywordtype">char</span> *domain,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *format, va_list args);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">/* For your convenience */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#define EXIF_LOG_NO_MEMORY(l,d,s) exif_log ((l), EXIF_LOG_CODE_NO_MEMORY, (d), "Could not allocate %lu byte(s).", (unsigned long)(s))</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif </span><span class="comment">/* __EXIF_LOG_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="exif-log_8h_html_af32ad5a4b7e0a86a7a441463f3b15895"><div class="ttname"><a href="exif-log_8h.html#af32ad5a4b7e0a86a7a441463f3b15895">ExifLogFunc</a></div><div class="ttdeci">void(* ExifLogFunc)(ExifLog *log, ExifLogCode, const char *domain, const char *format, va_list args, void *data)</div><div class="ttdoc">Log callback function prototype.</div><div class="ttdef"><b>Definition:</b> exif-log.h:77</div></div> <div class="ttc" id="exif-log_8h_html_a92d3525981d3d604521ca74ce05d0add"><div class="ttname"><a href="exif-log_8h.html#a92d3525981d3d604521ca74ce05d0add">exif_log_new</a></div><div class="ttdeci">ExifLog * exif_log_new(void)</div><div class="ttdoc">Create a new logging instance.</div><div class="ttdef"><b>Definition:</b> exif-log.c:86</div></div> <div class="ttc" id="exif-mem_8h_html_aab8aacbc0ed6f11a1f022b7b1bf4750e"><div class="ttname"><a href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a></div><div class="ttdeci">struct _ExifMem ExifMem</div><div class="ttdoc">ExifMem define a memory allocator.</div><div class="ttdef"><b>Definition:</b> exif-mem.h:57</div></div> <div class="ttc" id="exif-log_8h_html_afe3839462dc826b72b9b13cdc6931473"><div class="ttname"><a href="exif-log_8h.html#afe3839462dc826b72b9b13cdc6931473">exif_log_code_get_message</a></div><div class="ttdeci">const char * exif_log_code_get_message(ExifLogCode code)</div><div class="ttdoc">Return a verbose description of the given class of error log.</div><div class="ttdef"><b>Definition:</b> exif-log.c:62</div></div> <div class="ttc" id="exif-log_8h_html_a493a369b7020265971cdaf8be9a2f6fe"><div class="ttname"><a href="exif-log_8h.html#a493a369b7020265971cdaf8be9a2f6fe">exif_log_set_func</a></div><div class="ttdeci">void exif_log_set_func(ExifLog *log, ExifLogFunc func, void *data)</div><div class="ttdoc">Register log callback function.</div><div class="ttdef"><b>Definition:</b> exif-log.c:123</div></div> <div class="ttc" id="exif-log_8h_html_acd0808d6d5be73f28059797c2e2e67dc"><div class="ttname"><a href="exif-log_8h.html#acd0808d6d5be73f28059797c2e2e67dc">exif_log_free</a></div><div class="ttdeci">void exif_log_free(ExifLog *log)</div><div class="ttdoc">Delete instance of ExifLog.</div><div class="ttdef"><b>Definition:</b> exif-log.c:112</div></div> <div class="ttc" id="exif-mem_8h_html"><div class="ttname"><a href="exif-mem_8h.html">exif-mem.h</a></div><div class="ttdoc">Define the ExifMem data type and the associated functions.</div></div> <div class="ttc" id="exif-log_8h_html_a6b225115984bb2016282923cb487f16b"><div class="ttname"><a href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a></div><div class="ttdeci">struct _ExifLog ExifLog</div><div class="ttdoc">State maintained by the logging interface.</div><div class="ttdef"><b>Definition:</b> exif-log.h:34</div></div> <div class="ttc" id="exif-log_8h_html_a31cf3057f5546ae2881d817c70ebca55"><div class="ttname"><a href="exif-log_8h.html#a31cf3057f5546ae2881d817c70ebca55">exif_log_code_get_title</a></div><div class="ttdeci">const char * exif_log_code_get_title(ExifLogCode code)</div><div class="ttdoc">Return a textual description of the given class of error log.</div><div class="ttdef"><b>Definition:</b> exif-log.c:53</div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_04d2bd150f7cc849eeec70b9b0fdccb1.html">libexif</a></li><li class="navelem"><a class="el" href="exif-log_8h.html">exif-log.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> </ul> </div> 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