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557 lines
16 KiB
557 lines
16 KiB
//+---------------------------------------------------------------------------
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// Copyright (C) 1991-1994, Microsoft Corporation.
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//
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// File: assert.cpp
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//
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// Contents: Debugging output routines
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//
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// History: 23-Jul-91 KyleP Created.
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// 09-Oct-91 KevinRo Major changes and comments added
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// 18-Oct-91 vich moved debug print routines out
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// 10-Jun-92 BryanT Switched to w4crt.h instead of wchar.h
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// 7-Oct-94 BruceFo Ripped out all kernel, non-FLAT,
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// DLL-specific, non-Win32 functionality.
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// Now it's basically "print to the
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// debugger" code.
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// 20-Oct-95 EricB Set component debug level in the
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// registry.
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//
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//----------------------------------------------------------------------------
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#include <objbase.h>
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#include <basetyps.h>
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#include <tchar.h>
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#include <shlwapi.h> // wvnsprintf
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#if DBG==1
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#define new DEBUG_NEW
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#include "admindbg.h"
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#include "malloc.h" // alloca
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#include "stddbg.h" // VERIFY
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#include "macros.h" // ARRAYLEN
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#include "strsafe.h" // StringCchPrintf
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//
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// Globals
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//
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ULONG AdminAssertLevel = ASSRT_MESSAGE | ASSRT_BREAK | ASSRT_POPUP;
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//
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// Forward declaration of local functions
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//
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LPSTR AnsiPathFindFileName(LPSTR pPath);
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void smprintf(ULONG ulCompMask, LPTSTR pszComp, LPTSTR ppszfmt, va_list pargs);
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int w4dprintf(LPTSTR format, ...);
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int w4smprintf(LPTSTR format, va_list arglist);
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//+---------------------------------------------------------------------------
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//
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// Function: w4dprintf
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//
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// Synopsis: Calls w4smprintf to output a formatted message.
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//
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//----------------------------------------------------------------------------
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int w4dprintf(LPTSTR format, ...)
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{
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int ret;
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va_list va;
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va_start(va, format);
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ret = w4smprintf(format, va);
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va_end(va);
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return ret;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: w4smprintf
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//
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// Synopsis: Calls OutputDebugStringA to output a formatted message.
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//
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//----------------------------------------------------------------------------
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int w4smprintf(LPTSTR format, va_list arglist)
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{
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TCHAR szMessageBuf[500]; // this is the message buffer
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int ret;
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ret = wvnsprintf(szMessageBuf, 500, format, arglist);
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OutputDebugString(szMessageBuf);
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return ret;
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}
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//+------------------------------------------------------------
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// Function: smprintf
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//
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// Synopsis: Prints debug output using a pointer to the
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// variable information. Used primarily by the
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// xxDebugOut macros
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//
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// Arguements:
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// ulCompMask -- Component level mask used to determine
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// output ability
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// pszComp -- String const of component prefix.
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// ppszfmt -- Pointer to output format and data
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//
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//-------------------------------------------------------------
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void smprintf(ULONG ulCompMask, LPTSTR pszComp, LPTSTR ppszfmt, va_list pargs)
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{
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if ((ulCompMask & DEB_FORCE) == DEB_FORCE ||
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(ulCompMask | (DEB_ERROR | DEB_WARN)))
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{
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DWORD tid = GetCurrentThreadId();
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DWORD pid = GetCurrentProcessId();
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if (((DEB_ERROR | DEB_WARN) & (DEB_DBGOUT | DEB_STDOUT)) != DEB_STDOUT)
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{
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if (! (ulCompMask & DEB_NOCOMPNAME))
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{
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w4dprintf(_T("%x.%03x> %s: "), pid, tid, pszComp);
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}
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w4smprintf(ppszfmt, pargs);
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}
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}
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}
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//+----------------------------------------------------------------------------
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//
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// Admin debuggging library inititalization.
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//
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// To set a non-default debug info level outside of the debugger, create the
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// below registry key and in it create a value whose name is the component's
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// debugging tag name (the "comp" parameter to the DECLARE_INFOLEVEL macro) and
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// whose data is the desired infolevel in REG_DWORD format.
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//-----------------------------------------------------------------------------
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#define CURRENT_VERSION_KEY _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion")
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#define ADMINDEBUGKEY _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\AdminDebug")
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#define ADMINDEBUG _T("AdminDebug")
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//+----------------------------------------------------------------------------
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// Function: CheckInit
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//
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// Synopsis: Performs debugging library initialization
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// including reading the registry for the desired infolevel
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//
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//-----------------------------------------------------------------------------
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void CheckInit(LPTSTR pInfoLevelString, ULONG * pulInfoLevel)
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{
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HKEY hKey;
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LONG lRet;
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DWORD dwSize;
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lRet = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ADMINDEBUGKEY, 0,
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KEY_ALL_ACCESS, &hKey);
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if (lRet == ERROR_FILE_NOT_FOUND)
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{
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HKEY hkCV;
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lRet = RegOpenKeyEx(HKEY_LOCAL_MACHINE, CURRENT_VERSION_KEY, 0,
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KEY_ALL_ACCESS, &hkCV);
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if (lRet == ERROR_SUCCESS)
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{
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lRet = RegCreateKeyEx(hkCV, ADMINDEBUG, 0, _T(""),
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REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, NULL);
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RegCloseKey(hkCV);
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}
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}
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if (lRet == ERROR_SUCCESS)
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{
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dwSize = sizeof(ULONG);
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lRet = RegQueryValueEx(hKey, pInfoLevelString, NULL, NULL,
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(LPBYTE)pulInfoLevel, &dwSize);
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if (lRet != ERROR_SUCCESS)
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{
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*pulInfoLevel = (DEB_ERROR | DEB_WARN);
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lRet = RegSetValueEx(hKey, pInfoLevelString, 0, REG_DWORD,
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(CONST BYTE *)pulInfoLevel, sizeof(ULONG));
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}
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RegCloseKey(hKey);
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}
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}
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// Returns a pointer to the last component of a path string.
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//
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// in:
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// path name, either fully qualified or not
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//
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// returns:
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// pointer into the path where the path is. if none is found
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// returns a poiter to the start of the path
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//
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// c:\foo\bar -> bar
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// c:\foo -> foo
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// c:\foo\ -> c:\foo\ (REVIEW: is this case busted?)
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// c:\ -> c:\ (REVIEW: this case is strange)
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// c: -> c:
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// foo -> foo
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LPSTR AnsiPathFindFileName(LPSTR pPath)
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{
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LPSTR pT;
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for (pT = pPath; *pPath; pPath = CharNextA(pPath)) {
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if ((pPath[0] == '\\' || pPath[0] == ':')
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&& pPath[1] && (pPath[1] != '\\'))
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pT = pPath + 1;
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}
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return (LPSTR)pT; // const -> non const
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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////////////// ASSERT CODE //////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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//+------------------------------------------------------------
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// Function: PopUpError
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//
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// Synopsis: Displays a dialog box using provided text,
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// and presents the user with the option to
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// continue or cancel.
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//
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// Arguments:
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// szMsg -- The string to display in main body of dialog
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// iLine -- Line number of file in error
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// szFile -- Filename of file in error
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//
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// Returns:
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// IDCANCEL -- User selected the CANCEL button
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// IDOK -- User selected the OK button
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//-------------------------------------------------------------
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int PopUpError(LPTSTR szMsg, int iLine, LPSTR szFile)
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{
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//
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// Create caption
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//
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static TCHAR szAssertCaption[128];
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//
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// get process
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//
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static CHAR szModuleName[128];
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LPSTR pszModuleName;
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if (GetModuleFileNameA(NULL, szModuleName, 128))
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{
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pszModuleName = szModuleName;
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}
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else
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{
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pszModuleName = "Unknown";
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}
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LPSTR pProcess = AnsiPathFindFileName(pszModuleName);
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// 591438-2002/04/05 JonN removed wsprintf
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// "%hs" is short-string
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VERIFY( SUCCEEDED( StringCchPrintf(szAssertCaption,
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ARRAYLEN(szAssertCaption),
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_T("%hs: Assertion Failed"),
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pProcess) ) );
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//
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// Create details.
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//
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TCHAR szDetails[1024];
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DWORD tid = GetCurrentThreadId();
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DWORD pid = GetCurrentProcessId();
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// 591438-2002/04/05 JonN removed wsprintf
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VERIFY( SUCCEEDED( StringCchPrintf(
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szDetails,
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ARRAYLEN(szDetails),
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_T(" Assertion:\t %s\n\n") \
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_T(" File: \t\t %hs\n") \
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_T(" Line: \t\t %d\n\n") \
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_T(" Module: \t %hs\n") \
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_T(" Thread ID:\t %d.%d\n"),
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szMsg, szFile, iLine, pszModuleName, pid, tid) ) );
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int id = MessageBox(NULL,
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szDetails,
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szAssertCaption,
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MB_SETFOREGROUND
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| MB_DEFAULT_DESKTOP_ONLY
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| MB_TASKMODAL
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| MB_ICONEXCLAMATION
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| MB_OKCANCEL);
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//
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// If id == 0, then an error occurred. There are two possibilities
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// that can cause the error: Access Denied, which means that this
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// process does not have access to the default desktop, and everything
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// else (usually out of memory).
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//
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if (0 == id)
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{
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if (GetLastError() == ERROR_ACCESS_DENIED)
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{
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//
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// Retry this one with the SERVICE_NOTIFICATION flag on. That
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// should get us to the right desktop.
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//
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id = MessageBox(NULL,
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szMsg,
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szAssertCaption,
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MB_SETFOREGROUND
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| MB_TASKMODAL
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| MB_ICONEXCLAMATION
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| MB_OKCANCEL);
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}
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}
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return id;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: _asdprintf
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//
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// Synopsis: Calls smprintf to output a formatted message.
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//
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// History: 18-Oct-91 vich Created
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//
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//----------------------------------------------------------------------------
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inline void _asdprintf(LPTSTR pszfmt, ...)
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{
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va_list va;
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va_start(va, pszfmt);
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smprintf(DEB_FORCE, _T("Assert"), pszfmt, va);
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va_end(va);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: AdminAssertEx, private
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//
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// Synopsis: Display assertion information
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//
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// Effects: Called when an assertion is hit.
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//
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//----------------------------------------------------------------------------
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void AdminAssertEx(LPSTR szFile, int iLine, LPTSTR szMessage)
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{
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if (AdminAssertLevel & ASSRT_MESSAGE)
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{
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DWORD tid = GetCurrentThreadId();
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LPSTR pszFileName = AnsiPathFindFileName(szFile);
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_asdprintf(_T("%s <%hs, l %u, thread %d>\n"),
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szMessage, pszFileName, iLine, tid);
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}
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if (AdminAssertLevel & ASSRT_POPUP)
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{
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int id = PopUpError(szMessage,iLine,szFile);
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if (id == IDCANCEL)
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{
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DebugBreak();
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}
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}
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else if (AdminAssertLevel & ASSRT_BREAK)
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{
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DebugBreak();
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}
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}
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//____________________________________________________________________________
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//____________________________________________________________________________
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//________________ _________________________________________
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//________________ class CDbg _________________________________________
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//________________ _________________________________________
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//____________________________________________________________________________
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//____________________________________________________________________________
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CDbg::CDbg(LPTSTR str)
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:
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m_InfoLevelString(str),
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m_InfoLevel(DEB_ERROR | DEB_WARN)
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{
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CheckInit(m_InfoLevelString, &m_InfoLevel);
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}
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void CDbg::Trace(LPSTR pszfmt, ...)
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{
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#ifdef UNICODE
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size_t convert = strlen(pszfmt) + 1;
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LPTSTR ptcfmt = (LPWSTR)alloca(convert * sizeof(WCHAR));
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ptcfmt[0] = '\0';
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(void) MultiByteToWideChar(CP_ACP, 0, pszfmt, -1, ptcfmt, (int) convert);
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#else
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LPTSTR ptcfmt = pszfmt;
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#endif
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if (m_InfoLevel & DEB_TRACE)
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{
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va_list va;
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va_start (va, pszfmt);
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smprintf(DEB_TRACE, m_InfoLevelString, ptcfmt, va);
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va_end(va);
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}
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}
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void CDbg::Trace(LPWSTR pwszfmt, ...)
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{
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#ifndef UNICODE
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// NTRAID#NTBUG9-590026-2002/03/29 JonN I am not confident in this
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// translation code, since the MBCS string will often have more
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// characters than the UNICODE string. However, this code is
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// restricted to non-UNICODE snapins so it isn't too relevant.
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size_t convert = wcslen(pwszfmt) + 1;
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LPTSTR ptcfmt = (LPSTR)alloca(convert * sizeof(CHAR));
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ptcfmt[0] = '\0';
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(void) WideCharToMultiByte(CP_ACP, 0, pwszfmt, -1, ptcfmt, (int) convert, NULL, NULL);
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#else
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LPTSTR ptcfmt = pwszfmt;
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#endif
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if (m_InfoLevel & DEB_TRACE)
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{
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va_list va;
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va_start (va, pwszfmt);
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smprintf(DEB_TRACE, m_InfoLevelString, ptcfmt, va);
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va_end(va);
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}
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}
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void CDbg::DebugOut(ULONG fDebugMask, LPSTR pszfmt, ...)
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{
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#ifdef UNICODE
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size_t convert = strlen(pszfmt) + 1;
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LPTSTR ptcfmt = (LPWSTR)alloca(convert * sizeof(WCHAR));
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ptcfmt[0] = '\0';
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(void) MultiByteToWideChar(CP_ACP, 0, pszfmt, -1, ptcfmt, (int) convert);
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#else
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LPTSTR ptcfmt = pszfmt;
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#endif
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if (m_InfoLevel & fDebugMask)
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{
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va_list va;
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va_start (va, pszfmt);
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smprintf(DEB_TRACE, m_InfoLevelString, ptcfmt, va);
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va_end(va);
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}
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}
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void CDbg::DebugOut(ULONG fDebugMask, LPWSTR pwszfmt, ...)
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{
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#ifndef UNICODE
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int convert = wcslen(pwszfmt) + 1;
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LPTSTR ptcfmt = (LPSTR)alloca(convert * sizeof(CHAR));
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ptcfmt[0] = '\0';
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(void) WideCharToMultiByte(CP_ACP, 0, pwszfmt, -1, ptcfmt, convert, NULL, NULL);
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#else
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LPTSTR ptcfmt = pwszfmt;
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#endif
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if (m_InfoLevel & fDebugMask)
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{
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va_list va;
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va_start (va, pwszfmt);
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smprintf(DEB_TRACE, m_InfoLevelString, ptcfmt, va);
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va_end(va);
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}
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}
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void CDbg::DebugErrorX(LPSTR file, ULONG line, LONG err)
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{
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if (m_InfoLevel & DEB_ERROR)
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{
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file = AnsiPathFindFileName(file);
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this->DebugOut(DEB_ERROR, "error<0x%08x> %hs, l %u\n",
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err, file, line);
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}
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}
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void CDbg::DebugErrorL(LPSTR file, ULONG line, LONG err)
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{
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if (m_InfoLevel & DEB_ERROR)
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{
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file = AnsiPathFindFileName(file);
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this->DebugOut(DEB_ERROR, "error<%uL> %hs, l %u\n", err, file, line);
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}
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}
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void CDbg::DebugMsg(LPSTR file, ULONG line, LPSTR msg)
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{
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file = AnsiPathFindFileName(file);
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this->DebugOut(DEB_FORCE, "asrt %hs, l %u, <%s>\n", file, line, msg);
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}
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void CDbg::DebugMsg(LPSTR file, ULONG line, LPWSTR msg)
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{
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file = AnsiPathFindFileName(file);
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this->DebugOut(DEB_FORCE, _T("asrt %hs, l %u, <%s>\n"), file, line, msg);
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}
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void CDbg::AssertEx(LPSTR pszFile, int iLine, LPTSTR pszMsg)
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{
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#if 0
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LPTSTR ptcMsg = NULL;
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#ifdef UNICODE
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int convert = strlen(pszMsg) + 1;
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ptcMsg = (LPWSTR)alloca(convert * sizeof(WCHAR));
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ptcMsg[0] = '\0';
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(void) MultiByteToWideChar(CP_ACP, 0, pszMsg, -1, ptcMsg, convert);
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#else
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ptcMsg = pszMsg;
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#endif
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AdminAssertEx(pszFile, iLine, ptcMsg);
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#endif //0
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AdminAssertEx(pszFile, iLine, pszMsg);
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}
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#endif // DBG==1
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