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annotate Utils/LogFile.cpp @ 4:e30f00f760d3 default tip

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Cleanup OSTC label and removed url The computer type will now show OSTC 4/5 instead of only 4. The url has been removed because it is no longer maintained. The ui header have been deleted because they are generated files shich should not be under version controll. Delete locally if you want to force an update of the dialog layout.
author Ideenmodellierer
date Sun, 30 Nov 2025 18:37:32 +0100
parents 0b3630a29ad8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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1 //////////////////////////////////////////////////////////////////////////////
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2 /// \file LogFile.cpp
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3 /// \brief Put Log message into a log file.
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4 /// \author JD Gascuel.
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5 /// \copyright (c) 2011-2016 JD Gascuel. All rights reserved.
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6 /// $Id$
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7 //////////////////////////////////////////////////////////////////////////////
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8 //
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9 // BSD 2-Clause License:
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10 //
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11 // Redistribution and use in source and binary forms, with or without
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12 // modification, are permitted provided that the following conditions
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13 // are met:
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14 //
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15 // 1. Redistributions of source code must retain the above copyright notice,
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16 // this list of conditions and the following disclaimer.
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17 //
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18 // 2. Redistributions in binary form must reproduce the above copyright notice,
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19 // this list of conditions and the following disclaimer in the documentation
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20 // and/or other materials provided with the distribution.
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21 //
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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26 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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27 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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28 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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29 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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30 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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31 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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32 // THE POSSIBILITY OF SUCH DAMAGE.
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33 //
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34 //////////////////////////////////////////////////////////////////////////////
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35
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36 #include "Utils/LogFile.h"
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37
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38 #include <QCoreApplication>
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39 #include <QDir>
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40 #include <QMutex>
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41 #include <QSettings>
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42 #include <QRegularExpression>
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43
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44 #ifndef WIN32
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45 # include <sys/stat.h> // umask
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46 #else
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47 # include <io.h> // umask
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48 #endif
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49
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50 static QMutex mutex;
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51
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52 //////////////////////////////////////////////////////////////////////////////
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53
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54 LogFile::LogFile(int argc, char *argv[])
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55 : LogAppender(argc, argv),
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56 _holdFiles(5),
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57 _fileNameFormat("%a-%n.txt"),
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58 _logFile(NULL)
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59 {
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60 setMinLevel(defaultMinLevel());
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61 for(int i=1; i<argc; ++i)
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62 {
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63 if( strcmp("-dd", argv[i]) == 0 )
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64 setMinLevel(Log::LEVEL_DEBUG);
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65 else if( strcmp("-d", argv[i]) == 0 )
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66 setMinLevel(Log::LEVEL_TRACE);
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67 }
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68 }
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69
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70 LogFile::~LogFile()
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71 {
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72 if( _logFile )
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73 fclose(_logFile);
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74 _logFile = NULL;
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75 }
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76
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77 const char *LogFile::type() const
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78 {
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79 return "File";
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80 }
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81
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82 Log::Level LogFile::defaultMinLevel() const
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83 {
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84 return Log::LEVEL_TRACE;
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85 }
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86
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87
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88 const char* LogFile::defaultFormat() const
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89 {
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90 return "[%d %t] %o %F:%l: %m";
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91 }
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92
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93 //////////////////////////////////////////////////////////////////////////////
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94
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95 QString LogFile::filePath(bool pattern) const
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96 {
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97 QString path =
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98 #ifdef Q_OS_MAC
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99 QString("/tmp")
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100 #else
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101 QDir::tempPath()
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102 #endif
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103 + "/"
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104 + _fileNameFormat;
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105 path.replace("%n", pattern ? "*" : "001")
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106 .replace("%a", Log::applicationName());
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107 return path;
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108 }
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109
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110 //////////////////////////////////////////////////////////////////////////////
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111
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112 void LogFile::cleanup()
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113 {
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114 QString name = filePath(true);
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115 QDir dir(name.section('/', 0, -2));
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116 name = name.section('/', -1);
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117
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118 // ---- Make sure the directory exists, and is writable by everyone.
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119 int oldUMask = umask(0);
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120 if( ! dir.exists() )
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121 QDir::current().mkdir( dir.absolutePath() );
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122
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123 // ---- Then perform the cleanup, if necessary
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124 QFileInfoList list = dir.entryInfoList(QStringList(name), QDir::Files, QDir::Name | QDir::Reversed);
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125 // QRegExp parse(name.replace("*", "([0-9]+)"));
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126 QRegularExpression parse(name.replace("*", "([0-9]+)"));
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127
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128 for(int i=0; i<list.count(); ++i)
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129 {
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130 QString log = list[i].fileName();
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131 #if 0
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132 if( parse.exactMatch(log) )
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133 {
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134 int num = parse.cap(1).toInt();
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135 if( num >= _holdFiles )
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136 dir.remove(log);
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137 else
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138 {
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139 QString newName = _fileNameFormat;
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140 newName.replace("%n", QString().sprintf("%03d", num+1))
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141 .replace("%a", Log::applicationName());
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142 dir.rename(log, newName);
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143 }
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144 }
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145 #endif
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146 QRegularExpressionMatch match = parse.match(log); // match erzeugen
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147 if (match.hasMatch()) // entspricht exactMatch
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148 {
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149 int num = match.captured(1).toInt(); // entspricht cap(1)
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150
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151 if (num >= _holdFiles)
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152 dir.remove(log);
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153 else
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154 {
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155 QString newName = _fileNameFormat;
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156 // newName.replace("%n", QString().sprintf("%03d", num+1))
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157 // .replace("%a", Log::applicationName());
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158 QString number = QString::number(num + 1).rightJustified(3, '0');
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159 newName.replace("%n", number)
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160 .replace("%a", Log::applicationName());
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161 dir.rename(log, newName);
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162 }
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163 }
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164 }
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165
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166 umask(oldUMask);
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167 }
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168
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169 //////////////////////////////////////////////////////////////////////////////
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170
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171 void LogFile::operator()(const Log &log)
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172 {
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173 // stdio FILE is not reentrant. So a lock here is mandatory.
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174 QMutexLocker locker(&mutex);
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175
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176 //---- Open the current log file -----------------------------------------
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177 if( ! _logFile )
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178 {
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179 //---- Clean old log files
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180 cleanup();
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181 //---- Then open the new one.
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182 QString name = filePath();
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183 _logFile = fopen(name.toLocal8Bit().constData(), "at+");
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184 }
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185
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186 //---- Output log line ---------------------------------------------------
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187 if( _logFile ) // File open succeded ?
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188 {
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189 QString line = format(log);
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190 fprintf(_logFile, "%s\n", line.toUtf8().constData());
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191 fflush(_logFile);
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192 }
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193 }