359 lines
8.4 KiB
C++
359 lines
8.4 KiB
C++
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//+----------------------------------------------------------------------------
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//
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// File: cmlogutil.cpp
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//
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// Module: CMLOG.LIB
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//
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// Synopsis: Utility function for Connection Manager Logging
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//
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// Copyright (c) 1998-2000 Microsoft Corporation
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//
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// Author: 25-May-2000 SumitC Created
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//
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// Note:
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//
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//-----------------------------------------------------------------------------
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#define CMLOG_IMPLEMENTATION
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#ifndef UNICODE
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#define UNICODE
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#endif
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#include <windows.h>
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#include <psapi.h>
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#include <tlhelp32.h>
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#include "cmmaster.h"
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#include "cmlog.h"
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#include "cmlogutil.h"
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#if 0
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const DWORD c_szFmtSize = 128; // largest format string possible.
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/*
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//+----------------------------------------------------------------------------
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//
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// Func: ConvertFormatString
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//
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// Desc: Utility function, converts %s to %S within a given format string
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//
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// Args: [pszFmt] - format string with %s's and %c's in it, to be converted
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//
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// Return: LPTSTR buffer containing new format string
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//
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// Notes: return value is a static buffer and doesn't have to be freed.
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//
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// History: 30-Apr-2000 SumitC Created
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//
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//-----------------------------------------------------------------------------
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BOOL
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ConvertFormatString(LPTSTR pszFmt)
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{
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MYDBGASSERT(pszFmt);
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if (lstrlenU(pszFmt) > c_szFmtSize)
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{
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MYDBGASSERT(!"Cmlog format string too large, fix code");
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return FALSE;
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}
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for (int i = 1; i < lstrlenU(pszFmt); i++)
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{
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if (pszFmt[i - 1] == TEXT('%') && pszFmt[i] == TEXT('s'))
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{
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// uppercase it.
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pszFmt[i] = TEXT('S');
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}
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if (pszFmt[i - 1] == TEXT('%') && pszFmt[i] == TEXT('c'))
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{
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// uppercase it.
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pszFmt[i] = TEXT('C');
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}
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}
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return TRUE;
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}
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*/
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#endif
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//+----------------------------------------------------------------------------
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//
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// Func: CmGetModuleNT
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//
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// Desc: Utility function to get module name on WinNT systems
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//
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// Args: [hInst] -- IN, instance handle
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// [szModule] -- OUT, buffer to return module name
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//
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// Return: BOOL
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//
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// Notes:
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//
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// History: 30-Apr-2000 SumitC Created
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//
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//-----------------------------------------------------------------------------
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BOOL
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CmGetModuleNT(HINSTANCE hInst, LPTSTR szModule)
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{
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BOOL fRet = FALSE;
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HMODULE hModLib = NULL;
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typedef DWORD (WINAPI* PFN_GMBN)(HANDLE, HMODULE, LPTSTR, DWORD);
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PFN_GMBN pfnGetModuleBaseName = NULL;
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//
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// Load the library
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//
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hModLib = LoadLibrary(TEXT("PSAPI.dll"));
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if (NULL == hModLib)
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{
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CMTRACE(TEXT("NT - could not load psapi.dll"));
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goto Cleanup;
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}
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//
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// Get the necessary function(s)
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//
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#ifdef UNICODE
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pfnGetModuleBaseName = (PFN_GMBN)GetProcAddress(hModLib, "GetModuleBaseNameW");
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#else
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pfnGetModuleBaseName = (PFN_GMBN)GetProcAddress(hModLib, TEXT("GetModuleBaseNameA"));
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#endif
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if (NULL == pfnGetModuleBaseName)
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{
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CMTRACE(TEXT("NT - couldn't find GetModuleBaseName within psapi.dll !!"));
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goto Cleanup;
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}
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//
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// Get the module name
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//
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fRet = (0 != pfnGetModuleBaseName(GetCurrentProcess(), hInst, szModule, 13));
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Cleanup:
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if (hModLib)
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{
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FreeLibrary(hModLib);
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}
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return fRet;
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}
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//+----------------------------------------------------------------------------
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//
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// Func: CmGetModule9x
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//
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// Desc: Utility function to get module name on Win9x systems
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//
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// Args: [hInst] -- IN, instance handle
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// [szModule] -- OUT, buffer to return module name
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//
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// Return: BOOL
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//
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// Notes:
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//
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// History: 30-Apr-2000 SumitC Created
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//
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//-----------------------------------------------------------------------------
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BOOL
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CmGetModule9x(HINSTANCE hInst, LPTSTR szModule)
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{
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BOOL fRet = FALSE;
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HMODULE hModLib = NULL;
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HANDLE hSnap = NULL;
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typedef HANDLE (WINAPI* PFN_TH32SS) (DWORD, DWORD);
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typedef BOOL (WINAPI* PFN_MOD32F) (HANDLE, LPMODULEENTRY32);
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typedef BOOL (WINAPI* PFN_MOD32N) (HANDLE, LPMODULEENTRY32);
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PFN_TH32SS pfnSnapshot = NULL;
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PFN_MOD32F pfnModule32First = NULL;
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PFN_MOD32N pfnModule32Next = NULL;
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//
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// Load the library
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//
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hModLib = LoadLibraryA("kernel32.dll");
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if (NULL == hModLib)
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{
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CMTRACE(TEXT("9x - could not load kernel32.dll"));
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goto Cleanup;
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}
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//
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// Get the necessary function(s)
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//
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pfnSnapshot = (PFN_TH32SS) GetProcAddress(hModLib, "CreateToolhelp32Snapshot");
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pfnModule32First = (PFN_MOD32F) GetProcAddress(hModLib, "Module32First");
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pfnModule32Next = (PFN_MOD32N) GetProcAddress(hModLib, "Module32Next");
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if (NULL == pfnModule32Next || NULL == pfnModule32First || NULL == pfnSnapshot)
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{
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CMTRACE(TEXT("9x - couldn't get ToolHelp functions"));
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goto Cleanup;
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}
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//
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// Get the module name
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//
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hSnap = pfnSnapshot(TH32CS_SNAPMODULE, 0);
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if (INVALID_HANDLE_VALUE == hSnap)
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{
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CMTRACE(TEXT("9x - could not get ToolHelp32Snapshot"));
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goto Cleanup;
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}
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else
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{
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MODULEENTRY32 moduleentry;
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BOOL fDone = FALSE;
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CHAR szModuleAnsi[13];
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moduleentry.dwSize = sizeof(MODULEENTRY32);
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for (fDone = pfnModule32First(hSnap, &moduleentry);
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fDone;
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fDone = pfnModule32Next(hSnap, &moduleentry))
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{
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if ((HMODULE)moduleentry.hModule == hInst)
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{
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memcpy(szModuleAnsi, moduleentry.szModule, 12 * sizeof(CHAR));
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szModuleAnsi[12] = '\0';
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fRet = TRUE;
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break;
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}
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}
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SzToWz(szModuleAnsi, szModule, 13);
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}
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Cleanup:
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if (hSnap)
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{
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CloseHandle(hSnap);
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}
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if (hModLib)
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{
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FreeLibrary(hModLib);
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}
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return fRet;
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}
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//+----------------------------------------------------------------------------
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//
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// Func: CmGetModuleBaseName
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//
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// Desc: Utility function to figure out our module name
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//
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// Args: [hInst] -- IN, instance handle
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// [szModule] -- OUT, buffer to return module name
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//
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// Return: BOOL
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//
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// Notes:
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//
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// History: 30-Apr-2000 SumitC Created
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//
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//-----------------------------------------------------------------------------
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BOOL
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CmGetModuleBaseName(HINSTANCE hInst, LPTSTR szModule)
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{
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BOOL fRet = FALSE;
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if (OS_NT)
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{
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fRet = CmGetModuleNT(hInst, szModule);
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}
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else
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{
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fRet = CmGetModule9x(hInst, szModule);
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}
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if (fRet)
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{
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// trim the string to just the basename
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for (int i = 0; i < lstrlenU(szModule); ++i)
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{
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if (TEXT('.') == szModule[i])
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{
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szModule[i] = TEXT('\0');
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break;
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}
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}
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}
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return fRet;
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}
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//+----------------------------------------------------------------------------
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//
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// Func: CmGetDateTime
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//
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// Desc: Utility function to get system-formatted date and/or time
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//
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// Args: [ppszDate] -- OUT, ptr to where to put the date (NULL=>don't want the date)
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// [ppszTime] -- OUT, ptr to where to put the time (NULL=>don't want the time)
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//
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// Return: void
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//
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// Notes:
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//
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// History: 17-Nov-2000 SumitC Created
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//
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//-----------------------------------------------------------------------------
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void
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CmGetDateTime(LPTSTR * ppszDate, LPTSTR * ppszTime)
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{
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int iRet;
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if (ppszDate)
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{
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iRet = GetDateFormatU(LOCALE_SYSTEM_DEFAULT, DATE_SHORTDATE, NULL, NULL, NULL, 0);
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if (iRet)
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{
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*ppszDate = (LPTSTR) CmMalloc(iRet * sizeof(TCHAR));
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if (*ppszDate)
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{
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iRet = GetDateFormatU(LOCALE_SYSTEM_DEFAULT, DATE_SHORTDATE, NULL, NULL, *ppszDate, iRet);
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}
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}
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else
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{
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MYDBGASSERT(!"CmGetDateTime - GetDateFormat failed");
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*ppszDate = NULL;
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}
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}
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if (ppszTime)
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{
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iRet = GetTimeFormatU(LOCALE_SYSTEM_DEFAULT, 0, NULL, NULL, NULL, 0);
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if (iRet)
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{
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*ppszTime = (LPTSTR) CmMalloc(iRet * sizeof(TCHAR));
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if (*ppszTime)
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{
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iRet = GetTimeFormatU(LOCALE_SYSTEM_DEFAULT, TIME_FORCE24HOURFORMAT|TIME_NOTIMEMARKER, NULL, NULL, *ppszTime, iRet);
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}
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}
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else
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{
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MYDBGASSERT(!"CmGetDateTime - GetTimeFormat failed");
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*ppszTime = NULL;
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}
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}
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}
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#undef CMLOG_IMPLEMENTATION
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