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<p>Implementation of logging routines.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdarg.h></code><br />
<code>#include <stdio.h></code><br />
<code>#include <errno.h></code><br />
<code>#include <sphinxbase/sphinxbase_export.h></code><br />
</div>
<p><a href="err_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a1a4495946ab2449d61108fe829a94613"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1a4495946ab2449d61108fe829a94613"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a>   _E__pr_header(__FILE__, __LINE__, "FATAL_ERROR"),_E__die_error</td></tr>
<tr class="memdesc:a1a4495946ab2449d61108fe829a94613"><td class="mdescLeft"> </td><td class="mdescRight">Exit with non-zero status after error message. <br /></td></tr>
<tr class="separator:a1a4495946ab2449d61108fe829a94613"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5229a1d58f5f5e69963a8d038ff5bc3e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5229a1d58f5f5e69963a8d038ff5bc3e"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a5229a1d58f5f5e69963a8d038ff5bc3e">E_FATAL_SYSTEM</a>   _E__pr_header(__FILE__, __LINE__, "SYSTEM_ERROR"),_E__fatal_sys_error</td></tr>
<tr class="memdesc:a5229a1d58f5f5e69963a8d038ff5bc3e"><td class="mdescLeft"> </td><td class="mdescRight">Print error text; Call perror(""); exit(errno);. <br /></td></tr>
<tr class="separator:a5229a1d58f5f5e69963a8d038ff5bc3e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a63de511eaca101291914f701e67c5c44"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a63de511eaca101291914f701e67c5c44"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a63de511eaca101291914f701e67c5c44">E_WARN_SYSTEM</a>   _E__pr_header(__FILE__, __LINE__, "SYSTEM_ERROR"),_E__sys_error</td></tr>
<tr class="memdesc:a63de511eaca101291914f701e67c5c44"><td class="mdescLeft"> </td><td class="mdescRight">Print error text; Call perror("");. <br /></td></tr>
<tr class="separator:a63de511eaca101291914f701e67c5c44"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a54ffbfe898d74595c586a1f48f32ef03"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a54ffbfe898d74595c586a1f48f32ef03"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03">E_ERROR_SYSTEM</a>   _E__pr_header(__FILE__, __LINE__, "SYSTEM_ERROR"),_E__sys_error</td></tr>
<tr class="memdesc:a54ffbfe898d74595c586a1f48f32ef03"><td class="mdescLeft"> </td><td class="mdescRight">Print error text; Call perror("");. <br /></td></tr>
<tr class="separator:a54ffbfe898d74595c586a1f48f32ef03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac3c705943d946708cea0a1443be1c853"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac3c705943d946708cea0a1443be1c853"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a>   _E__pr_info_header(__FILE__, __LINE__, "INFO"),_E__pr_info</td></tr>
<tr class="memdesc:ac3c705943d946708cea0a1443be1c853"><td class="mdescLeft"> </td><td class="mdescRight">Print logging information to standard error stream. <br /></td></tr>
<tr class="separator:ac3c705943d946708cea0a1443be1c853"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae5a17ac5be8c738d3d977b1bea2d4538"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae5a17ac5be8c738d3d977b1bea2d4538"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>   _E__pr_info</td></tr>
<tr class="memdesc:ae5a17ac5be8c738d3d977b1bea2d4538"><td class="mdescLeft"> </td><td class="mdescRight">Print logging information without header, to standard error stream. <br /></td></tr>
<tr class="separator:ae5a17ac5be8c738d3d977b1bea2d4538"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad95ccef073dd6f3c81c84e6aedca1f16"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad95ccef073dd6f3c81c84e6aedca1f16"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#ad95ccef073dd6f3c81c84e6aedca1f16">E_INFO_NOFN</a>   _E__pr_info_header_wofn("INFO"),_E__pr_info</td></tr>
<tr class="memdesc:ad95ccef073dd6f3c81c84e6aedca1f16"><td class="mdescLeft"> </td><td class="mdescRight">Print logging information without filename. <br /></td></tr>
<tr class="separator:ad95ccef073dd6f3c81c84e6aedca1f16"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6a794bec721b555ac1f2167f9e12f662"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6a794bec721b555ac1f2167f9e12f662"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a6a794bec721b555ac1f2167f9e12f662">E_WARN</a>   _E__pr_header(__FILE__, __LINE__, "WARNING"),_E__pr_warn</td></tr>
<tr class="memdesc:a6a794bec721b555ac1f2167f9e12f662"><td class="mdescLeft"> </td><td class="mdescRight">Print warning information to standard error stream. <br /></td></tr>
<tr class="separator:a6a794bec721b555ac1f2167f9e12f662"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f7b2f58f5a663a6bdd51f197ae21993"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5f7b2f58f5a663a6bdd51f197ae21993"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993">E_ERROR</a>   _E__pr_header(__FILE__, __LINE__, "ERROR"),_E__pr_warn</td></tr>
<tr class="memdesc:a5f7b2f58f5a663a6bdd51f197ae21993"><td class="mdescLeft"> </td><td class="mdescRight">Print error message to standard error stream. <br /></td></tr>
<tr class="separator:a5f7b2f58f5a663a6bdd51f197ae21993"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af46f94d0e21f22f1153f8f1cd9a372d6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#af46f94d0e21f22f1153f8f1cd9a372d6">E_DEBUG</a>(level, x)</td></tr>
<tr class="memdesc:af46f94d0e21f22f1153f8f1cd9a372d6"><td class="mdescLeft"> </td><td class="mdescRight">Print debugging information to standard error stream. <a href="#af46f94d0e21f22f1153f8f1cd9a372d6">More...</a><br /></td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>E_DEBUGCONT</b>(level, x)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_header</b> (char const *file, long line, char const *msg)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_debug_header</b> (char const *file, long line, int level)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_info_header</b> (char const *file, long line, char const *tag)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_info_header_wofn</b> (char const *msg)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_warn</b> (char const *fmt,...)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__pr_info</b> (char const *fmt,...)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__die_error</b> (char const *fmt,...)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__abort_error</b> (char const *fmt,...)</td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__sys_error</b> (char const *fmt,...)</td></tr>
<tr class="separator:a750133ab0eeba2bceba2a4054469857b"><td class="memSeparator" colspan="2"> </td></tr>
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SPHINXBASE_EXPORT void </td><td class="memItemRight" valign="bottom"><b>_E__fatal_sys_error</b> (char const *fmt,...)</td></tr>
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<tr class="memitem:a8bac37b001e58048b9f52ea1c756fc08"><td class="memItemLeft" align="right" valign="top">SPHINXBASE_EXPORT FILE * </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a8bac37b001e58048b9f52ea1c756fc08">err_set_logfp</a> (FILE *logfp)</td></tr>
<tr class="memdesc:a8bac37b001e58048b9f52ea1c756fc08"><td class="mdescLeft"> </td><td class="mdescRight">Direct all logging to a given filehandle. <a href="#a8bac37b001e58048b9f52ea1c756fc08">More...</a><br /></td></tr>
<tr class="separator:a8bac37b001e58048b9f52ea1c756fc08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9707012f263e46ea66e93349313ddbe6"><td class="memItemLeft" align="right" valign="top">SPHINXBASE_EXPORT FILE * </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a9707012f263e46ea66e93349313ddbe6">err_get_logfp</a> (void)</td></tr>
<tr class="memdesc:a9707012f263e46ea66e93349313ddbe6"><td class="mdescLeft"> </td><td class="mdescRight">Get the current logging filehandle. <a href="#a9707012f263e46ea66e93349313ddbe6">More...</a><br /></td></tr>
<tr class="separator:a9707012f263e46ea66e93349313ddbe6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa605de73499066475ec4cfb03e4c5a20"><td class="memItemLeft" align="right" valign="top">SPHINXBASE_EXPORT int </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#aa605de73499066475ec4cfb03e4c5a20">err_set_logfile</a> (char const *file)</td></tr>
<tr class="memdesc:aa605de73499066475ec4cfb03e4c5a20"><td class="mdescLeft"> </td><td class="mdescRight">Append all log messages to a given file. <a href="#aa605de73499066475ec4cfb03e4c5a20">More...</a><br /></td></tr>
<tr class="separator:aa605de73499066475ec4cfb03e4c5a20"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab77fa009824260d9f103308272dc89b8"><td class="memItemLeft" align="right" valign="top">SPHINXBASE_EXPORT int </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#ab77fa009824260d9f103308272dc89b8">err_set_debug_level</a> (int level)</td></tr>
<tr class="memdesc:ab77fa009824260d9f103308272dc89b8"><td class="mdescLeft"> </td><td class="mdescRight">Set debugging verbosity level. <a href="#ab77fa009824260d9f103308272dc89b8">More...</a><br /></td></tr>
<tr class="separator:ab77fa009824260d9f103308272dc89b8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1500dc011016aa15244d0d7f2fe66a7e"><td class="memItemLeft" align="right" valign="top">SPHINXBASE_EXPORT int </td><td class="memItemRight" valign="bottom"><a class="el" href="err_8h.html#a1500dc011016aa15244d0d7f2fe66a7e">err_get_debug_level</a> (void)</td></tr>
<tr class="memdesc:a1500dc011016aa15244d0d7f2fe66a7e"><td class="mdescLeft"> </td><td class="mdescRight">Get debugging verbosity level. <a href="#a1500dc011016aa15244d0d7f2fe66a7e">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implementation of logging routines. </p>
<p>Logging, warning, debug and error message output funtionality is provided in this file. Sphinxbase defines several level of logging messages - INFO, WARNING, ERROR, FATAL. By default output goes to standard error output.</p>
<p>Logging is implemented through macros. They take same arguments as printf: format string and values. By default source file name and source line are prepended to the message. Log output could be redirected to any file using <a class="el" href="err_8h.html#a8bac37b001e58048b9f52ea1c756fc08" title="Direct all logging to a given filehandle. ">err_set_logfp()</a> and <a class="el" href="err_8h.html#aa605de73499066475ec4cfb03e4c5a20" title="Append all log messages to a given file. ">err_set_logfile()</a> functions. To disable logging in your application, call err_set_logfp(NULL).</p>
<p>It's possible to log multiline info messages, to do that you need to start message with E_INFO and output other lines with E_INFOCONT. </p>
<p>Definition in file <a class="el" href="err_8h_source.html">err.h</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define E_DEBUG</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">level, </td>
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<td class="paramkey"></td>
<td></td>
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<p>Print debugging information to standard error stream. </p>
<p>This will only print a message if:</p><ol type="1">
<li>Debugging is enabled at compile time</li>
<li>The debug level is greater than or equal to <em>level</em> </li>
</ol>
<p>Note that for portability reasons the format and arguments must be enclosed in an extra set of parentheses. </p>
<p>Definition at line <a class="el" href="err_8h_source.html#l00212">212</a> of file <a class="el" href="err_8h_source.html">err.h</a>.</p>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a1500dc011016aa15244d0d7f2fe66a7e"></a>
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<td class="memname">SPHINXBASE_EXPORT int err_get_debug_level </td>
<td>(</td>
<td class="paramtype">void </td>
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<p>Get debugging verbosity level. </p>
<p>Note that debugging messages are only enabled when compiled with -DDEBUG. </p>
<p>Definition at line <a class="el" href="err_8c_source.html#l00074">74</a> of file <a class="el" href="err_8c_source.html">err.c</a>.</p>
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<td class="memname">SPHINXBASE_EXPORT FILE* err_get_logfp </td>
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<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>Get the current logging filehandle. </p>
<dl class="section return"><dt>Returns</dt><dd>Current logging filehandle, NULL if disabled. </dd></dl>
<p>Definition at line <a class="el" href="err_8c_source.html#l00157">157</a> of file <a class="el" href="err_8c_source.html">err.c</a>.</p>
<p>Referenced by <a class="el" href="cmd__ln_8c_source.html#l00551">cmd_ln_parse_r()</a>, <a class="el" href="err_8c_source.html#l00190">err_set_logfile()</a>, and <a class="el" href="err_8c_source.html#l00179">err_set_logfp()</a>.</p>
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<td class="paramname"><em>level</em></td><td>)</td>
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<p>Set debugging verbosity level. </p>
<p>Note that debugging messages are only enabled when compiled with -DDEBUG.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">level</td><td>Verbosity level to set, or 0 to disable debug messages. </td></tr>
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<p>Definition at line <a class="el" href="err_8c_source.html#l00068">68</a> of file <a class="el" href="err_8c_source.html">err.c</a>.</p>
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<td class="paramtype">char const * </td>
<td class="paramname"><em>file</em></td><td>)</td>
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<p>Append all log messages to a given file. </p>
<p>Previous logging filehandle is closed (unless it was stdout or stderr).</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">file</td><td>File to send log messages to, or NULL to disable logging. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 for success, <0 for failure (e.g. if file does not exist) </dd></dl>
<p>Definition at line <a class="el" href="err_8c_source.html#l00190">190</a> of file <a class="el" href="err_8c_source.html">err.c</a>.</p>
<p>References <a class="el" href="err_8c_source.html#l00157">err_get_logfp()</a>.</p>
<p>Referenced by <a class="el" href="cmd__ln_8c_source.html#l00551">cmd_ln_parse_r()</a>.</p>
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<td>(</td>
<td class="paramtype">FILE * </td>
<td class="paramname"><em>logfp</em></td><td>)</td>
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<p>Direct all logging to a given filehandle. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">logfp</td><td>Filehandle to send log messages to, or NULL to disable logging. </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Previous logging filehandle, if any. </dd></dl>
<p>Definition at line <a class="el" href="err_8c_source.html#l00179">179</a> of file <a class="el" href="err_8c_source.html">err.c</a>.</p>
<p>References <a class="el" href="err_8c_source.html#l00157">err_get_logfp()</a>.</p>
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