windows-nt/Source/XPSP1/NT/multimedia/dshow/vidctl/trace.cpp
2020-09-26 16:20:57 +08:00

67 lines
1.8 KiB
C++

//
// trace.cpp -- global vars for trace.h
// copyright (c) Microsoft Corp. 1998
//
// this file should be include in stdafx.cpp
#ifdef DEBUG
#include "tstring.h"
#include <ostream>
#include <fstream>
#include "trace.h"
#include <process.h>
DWORD dwTraceLevel = 0; // default to trace_error
tostream* tdbgout;
DWORD dwTraceIndent = 0;
typedef basic_oftstream<TCHAR> tfstream;
void DebugInit(LPCTSTR pszModule) {
if (!pszModule) {
dwTraceLevel = TRACE_ERROR;
tdbgout = new TdbgStream;
return;
}
CRegKey c;
TCHAR szLogFile[MAX_PATH + 1];
szLogFile[0] = 0;
CString keyname(_T("SOFTWARE\\Debug\\"));
keyname += pszModule;
DWORD rc = c.Open(HKEY_LOCAL_MACHINE, keyname, KEY_READ);
if (rc == ERROR_SUCCESS) {
rc = c.QueryValue(dwTraceLevel, _T("Trace"));
if (rc != ERROR_SUCCESS) {
dwTraceLevel = 1;
}
DWORD len = sizeof(szLogFile);
rc = c.QueryValue(szLogFile, _T("LogFile"), &len);
if (rc != ERROR_SUCCESS) {
szLogFile[0] = 0;
}
if(_tcslen(szLogFile)){
TCHAR szPID[MAX_PATH+1];
_itot(_getpid(), szPID, 10);
StringCchCat(szLogFile, sizeof(szLogFile)/sizeof(szLogFile[0]), szPID);
StringCchCat(szLogFile, sizeof(szLogFile)/sizeof(szLogFile[0]), _T(".log"));
}
}
if (!_tcslen(szLogFile)) {
tdbgout = new TdbgStream;
} else {
USES_CONVERSION;
tdbgout = new tfstream(T2CA(szLogFile), std::ios::out);
}
}
void DebugTerm(void) {
dbgDump.flush();
delete tdbgout;
tdbgout = NULL;
}
#endif
// end of file - trace.cpp