Files
EqualizerAPO/LogHelper.cpp
T
2012-09-18 22:13:36 +00:00

89 lines
2.3 KiB
C++

/*
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2012 Jonas Thedering
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cstdarg>
#include <cstdio>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "RegistryHelper.h"
#include "LogHelper.h"
using namespace std;
bool LogHelper::initialized = false;
wstring LogHelper::logPath;
bool LogHelper::enableTrace = false;
void LogHelper::log(const char* file, int line, void* caller, bool trace, const wchar_t* format, ...)
{
if(!initialized)
{
//Do not try to initialize again, even in case of error
initialized = true;
wchar_t temp[255];
GetTempPathW(sizeof(temp)/sizeof(wchar_t), temp);
logPath = temp;
logPath += L"EqualizerAPO.log";
try
{
if(RegistryHelper::readValue(APP_REGPATH, L"EnableTrace") != L"false")
enableTrace = true;
}
catch(RegistryException e)
{
LogFStatic(L"%s", e.getMessage());
}
}
if(trace && !enableTrace)
return;
FILE* fp;
errno_t err = _wfopen_s(&fp, logPath.c_str(), L"at");
if(err != 0)
return;
SYSTEMTIME ___st;
GetLocalTime(&___st);
fwprintf(fp, L"%04d-%02d-%02d %02d:%02d:%02d.%03d %08X (%S:%d): ",
___st.wYear, ___st.wMonth, ___st.wDay, ___st.wHour, ___st.wMinute, ___st.wSecond, ___st.wMilliseconds, caller, file, line);
if(trace)
fwprintf(fp, L"(TRACE) ");
va_list varArgs;
va_start(varArgs, format);
vfwprintf(fp, format, varArgs);
va_end(varArgs);
fwprintf(fp, L"\n");
fclose(fp);
}
void LogHelper::reset()
{
initialized = false;
logPath = L"";
enableTrace = false;
}