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 <span id="projectnumber">3.03</span>
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<div class="title">/usr/local/google/home/jbreiden/tesseract-ocr-read-only/ccutil/tprintf.cpp</div> </div>
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<div class="contents">
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<a href="a00859.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
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<a name="l00002"></a>00002 <span class="comment"> * File: tprintf.c</span>
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<a name="l00003"></a>00003 <span class="comment"> * Description: Trace version of printf - portable between UX and NT</span>
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<a name="l00004"></a>00004 <span class="comment"> * Author: Phil Cheatle</span>
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<a name="l00005"></a>00005 <span class="comment"> * Created: Wed Jun 28 15:01:15 BST 1995</span>
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<a name="l00006"></a>00006 <span class="comment"> *</span>
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<a name="l00007"></a>00007 <span class="comment"> * (C) Copyright 1995, Hewlett-Packard Ltd.</span>
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<a name="l00008"></a>00008 <span class="comment"> ** Licensed under the Apache License, Version 2.0 (the "License");</span>
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<a name="l00009"></a>00009 <span class="comment"> ** you may not use this file except in compliance with the License.</span>
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<a name="l00010"></a>00010 <span class="comment"> ** You may obtain a copy of the License at</span>
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<a name="l00011"></a>00011 <span class="comment"> ** http://www.apache.org/licenses/LICENSE-2.0</span>
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<a name="l00012"></a>00012 <span class="comment"> ** Unless required by applicable law or agreed to in writing, software</span>
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<a name="l00013"></a>00013 <span class="comment"> ** distributed under the License is distributed on an "AS IS" BASIS,</span>
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<a name="l00014"></a>00014 <span class="comment"> ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
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<a name="l00015"></a>00015 <span class="comment"> ** See the License for the specific language governing permissions and</span>
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<a name="l00016"></a>00016 <span class="comment"> ** limitations under the License.</span>
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<a name="l00017"></a>00017 <span class="comment"> *</span>
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<a name="l00018"></a>00018 <span class="comment"> **********************************************************************/</span>
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<a name="l00019"></a>00019
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<a name="l00020"></a>00020 <span class="comment">// Include automatically generated configuration file if running autoconf.</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
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<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="a00950.html">config_auto.h</a>"</span>
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<a name="l00023"></a>00023 <span class="preprocessor">#endif</span>
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<a name="l00024"></a>00024 <span class="preprocessor"></span>
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<a name="l00025"></a>00025 <span class="preprocessor">#include <stdio.h></span>
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<a name="l00026"></a>00026 <span class="preprocessor">#include <stdarg.h></span>
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<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="a00814.html">ccutil.h</a>"</span>
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<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="a00844.html">params.h</a>"</span>
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<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="a00855.html">strngs.h</a>"</span>
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<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="a00860.html">tprintf.h</a>"</span>
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<a name="l00031"></a>00031
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<a name="l00032"></a><a class="code" href="a00859.html#a51d90ea93d4b55e086cb490f7478e684">00032</a> <span class="preprocessor">#define MAX_MSG_LEN 65536</span>
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<a name="l00033"></a>00033 <span class="preprocessor"></span>
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<a name="l00034"></a><a class="code" href="a00859.html#a77366c1bd428629dc898e188bfd182a3">00034</a> <span class="preprocessor">#define EXTERN</span>
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<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="comment">// Since tprintf is protected by a mutex, these parameters can remain global.</span>
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<a name="l00036"></a><a class="code" href="a00860.html#aa8ce7e96765d92da2430b440edb0724a">00036</a> <a class="code" href="a00845.html#ab90d161af4ce92c48d61bb06c325308f">DLLSYM</a> <a class="code" href="a00844.html#abaa7778083ba376d8c70a59631d4a6ab">STRING_VAR</a>(<a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>, <span class="stringliteral">""</span>, <span class="stringliteral">"File to send tprintf output to"</span>);
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 <a class="code" href="a00845.html#ab90d161af4ce92c48d61bb06c325308f">DLLSYM</a> <span class="keywordtype">void</span>
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<a name="l00039"></a><a class="code" href="a00860.html#ad6e08b17847943f1d6a71e48a8a72788">00039</a> <a class="code" href="a00859.html#a2f73f7667eb32eaba83b4bd3a916c470">tprintf_internal</a>( <span class="comment">// Trace printf</span>
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<a name="l00040"></a>00040 <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ... <span class="comment">// Message</span>
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<a name="l00041"></a>00041 ) {
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<a name="l00042"></a>00042 <a class="code" href="a01265.html#a21e8ca8a9b5682a2649f8915227d4a8c">tesseract::tprintfMutex</a>.<a class="code" href="a00296.html#a9b593dd73dc2510c71739841e37ee17c">Lock</a>();
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<a name="l00043"></a>00043 va_list args; <span class="comment">// variable args</span>
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<a name="l00044"></a>00044 <span class="keyword">static</span> FILE *debugfp = NULL; <span class="comment">// debug file</span>
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<a name="l00045"></a>00045 <span class="comment">// debug window</span>
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<a name="l00046"></a>00046 <a class="code" href="a00831.html#aba1f582fd0168f3ff9225d8c90fa9eb8">inT32</a> offset = 0; <span class="comment">// into message</span>
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<a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keywordtype">char</span> msg[<a class="code" href="a00859.html#a51d90ea93d4b55e086cb490f7478e684">MAX_MSG_LEN</a> + 1];
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<a name="l00048"></a>00048
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<a name="l00049"></a>00049 va_start(args, format); <span class="comment">// variable list</span>
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<a name="l00050"></a>00050 <span class="comment">// Format into msg</span>
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<a name="l00051"></a>00051 <span class="preprocessor"> #ifdef _WIN32</span>
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<a name="l00052"></a>00052 <span class="preprocessor"></span> offset += _vsnprintf(msg + offset, <a class="code" href="a00859.html#a51d90ea93d4b55e086cb490f7478e684">MAX_MSG_LEN</a> - offset, format, args);
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<a name="l00053"></a>00053 <span class="keywordflow">if</span> (strcmp(<a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>.string(), <span class="stringliteral">"/dev/null"</span>) == 0)
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<a name="l00054"></a>00054 <a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>.set_value(<span class="stringliteral">"nul"</span>);
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<a name="l00055"></a>00055 <span class="preprocessor"> #else</span>
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<a name="l00056"></a>00056 <span class="preprocessor"></span> offset += vsnprintf(msg + offset, <a class="code" href="a00859.html#a51d90ea93d4b55e086cb490f7478e684">MAX_MSG_LEN</a> - offset, format, args);
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<a name="l00057"></a>00057 <span class="preprocessor"> #endif</span>
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<a name="l00058"></a>00058 <span class="preprocessor"></span> va_end(args);
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060 <span class="keywordflow">if</span> (debugfp == NULL && strlen(<a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>.string()) > 0) {
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<a name="l00061"></a>00061 debugfp = fopen(<a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>.string(), <span class="stringliteral">"wb"</span>);
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<a name="l00062"></a>00062 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (debugfp != NULL && strlen(<a class="code" href="a00859.html#aa8ce7e96765d92da2430b440edb0724a">debug_file</a>.string()) == 0) {
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<a name="l00063"></a>00063 fclose(debugfp);
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<a name="l00064"></a>00064 debugfp = NULL;
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<a name="l00065"></a>00065 }
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<a name="l00066"></a>00066 <span class="keywordflow">if</span> (debugfp != NULL)
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<a name="l00067"></a>00067 fprintf(debugfp, <span class="stringliteral">"%s"</span>, msg);
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<a name="l00068"></a>00068 <span class="keywordflow">else</span>
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<a name="l00069"></a>00069 fprintf(stderr, <span class="stringliteral">"%s"</span>, msg);
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<a name="l00070"></a>00070 <a class="code" href="a01265.html#a21e8ca8a9b5682a2649f8915227d4a8c">tesseract::tprintfMutex</a>.<a class="code" href="a00296.html#a0cc750edb4d5b9baca124ebee032c09b">Unlock</a>();
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<a name="l00071"></a>00071 }
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