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349 lines
7.8 KiB
349 lines
7.8 KiB
//==========================================================================;
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (c) 1992-1994 Microsoft Corporation
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//
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//--------------------------------------------------------------------------;
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//
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// debug.c
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//
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// Description:
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// This file contains code yanked from several places to provide debug
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// support that works in win 16 and win 32.
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//
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//
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//==========================================================================;
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#ifdef DEBUG
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#include <windows.h>
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#include <windowsx.h>
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#include <stdarg.h>
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#include "debug.h"
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//
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// since we don't UNICODE our debugging messages, use the ASCII entry
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// points regardless of how we are compiled.
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//
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#ifdef WIN32
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#include <wchar.h>
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#else
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#define lstrcatA lstrcat
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#define lstrlenA lstrlen
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#define GetProfileIntA GetProfileInt
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#define OutputDebugStringA OutputDebugString
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#endif
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//
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//
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//
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BOOL __gfDbgEnabled = TRUE; // master enable
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UINT __guDbgLevel = 0; // current debug level
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//--------------------------------------------------------------------------;
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//
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// void DbgVPrintF
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//
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// Description:
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//
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//
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// Arguments:
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// LPSTR szFormat:
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//
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// va_list va:
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//
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// Return (void):
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// No value is returned.
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//
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//--------------------------------------------------------------------------;
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void FAR CDECL DbgVPrintF
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(
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LPSTR szFormat,
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va_list va
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)
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{
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char ach[DEBUG_MAX_LINE_LEN];
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BOOL fDebugBreak = FALSE;
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BOOL fPrefix = TRUE;
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BOOL fCRLF = TRUE;
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ach[0] = '\0';
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for (;;)
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{
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switch (*szFormat)
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{
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case '!':
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fDebugBreak = TRUE;
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szFormat++;
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continue;
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case '`':
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fPrefix = FALSE;
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szFormat++;
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continue;
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case '~':
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fCRLF = FALSE;
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szFormat++;
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continue;
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}
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break;
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}
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if (fDebugBreak)
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{
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ach[0] = '\007';
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ach[1] = '\0';
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}
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if (fPrefix)
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{
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lstrcatA(ach, DEBUG_MODULE_NAME ": ");
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}
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#ifdef WIN32
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wvsprintfA(ach + lstrlenA(ach), szFormat, va);
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#else
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wvsprintf(ach + lstrlenA(ach), szFormat, (LPSTR)va);
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#endif
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if (fCRLF)
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{
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lstrcatA(ach, "\r\n");
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}
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OutputDebugStringA(ach);
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if (fDebugBreak)
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{
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#if DBG
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DebugBreak();
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#endif
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}
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} // DbgVPrintF()
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//--------------------------------------------------------------------------;
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//
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// void dprintf
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//
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// Description:
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// dprintf() is called by the DPF() macro if DEBUG is defined at compile
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// time. It is recommended that you only use the DPF() macro to call
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// this function--so you don't have to put #ifdef DEBUG around all
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// of your code.
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//
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// Arguments:
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// UINT uDbgLevel:
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//
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// LPSTR szFormat:
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//
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// Return (void):
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// No value is returned.
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//
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//--------------------------------------------------------------------------;
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void FAR CDECL dprintf
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(
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UINT uDbgLevel,
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LPSTR szFormat,
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...
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)
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{
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va_list va;
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if (!__gfDbgEnabled || (__guDbgLevel < uDbgLevel))
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return;
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va_start(va, szFormat);
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DbgVPrintF(szFormat, va);
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va_end(va);
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} // dprintf()
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//--------------------------------------------------------------------------;
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//
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// BOOL DbgEnable
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//
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// Description:
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//
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//
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// Arguments:
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// BOOL fEnable:
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//
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// Return (BOOL):
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// Returns the previous debugging state.
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//
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//--------------------------------------------------------------------------;
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BOOL WINAPI DbgEnable
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(
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BOOL fEnable
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)
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{
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BOOL fOldState;
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fOldState = __gfDbgEnabled;
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__gfDbgEnabled = fEnable;
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return (fOldState);
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} // DbgEnable()
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//--------------------------------------------------------------------------;
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//
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// UINT DbgSetLevel
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//
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// Description:
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//
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//
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// Arguments:
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// UINT uLevel:
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//
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// Return (UINT):
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// Returns the previous debugging level.
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//
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//--------------------------------------------------------------------------;
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UINT WINAPI DbgSetLevel
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(
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UINT uLevel
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)
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{
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UINT uOldLevel;
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uOldLevel = __guDbgLevel;
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__guDbgLevel = uLevel;
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return (uOldLevel);
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} // DbgSetLevel()
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//--------------------------------------------------------------------------;
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//
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// UINT DbgGetLevel
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//
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// Description:
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//
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//
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// Arguments:
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// None.
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//
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// Return (UINT):
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// Returns the current debugging level.
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//
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//--------------------------------------------------------------------------;
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UINT WINAPI DbgGetLevel
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(
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void
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)
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{
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return (__guDbgLevel);
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} // DbgGetLevel()
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//--------------------------------------------------------------------------;
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//
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// UINT DbgInitialize
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//
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// Description:
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//
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//
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// Arguments:
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// BOOL fEnable:
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//
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// Return (UINT):
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// Returns the debugging level that was set.
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//
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//--------------------------------------------------------------------------;
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UINT WINAPI DbgInitialize
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(
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BOOL fEnable
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)
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{
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UINT uLevel;
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uLevel = GetProfileIntA(DEBUG_SECTION, DEBUG_MODULE_NAME, (UINT)-1);
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if ((UINT)-1 == uLevel)
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{
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//
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// if the debug key is not present, then force debug output to
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// be disabled. this way running a debug version of a component
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// on a non-debugging machine will not generate output unless
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// the debug key exists.
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//
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uLevel = 0;
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fEnable = FALSE;
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}
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DbgSetLevel(uLevel);
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DbgEnable(fEnable);
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return (__guDbgLevel);
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} // DbgInitialize()
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//--------------------------------------------------------------------------;
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//
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// void _Assert
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//
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// Description:
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// This routine is called if the ASSERT macro (defined in debug.h)
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// tests and expression that evaluates to FALSE. This routine
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// displays an "assertion failed" message box allowing the user to
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// abort the program, enter the debugger (the "retry" button), or
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// ignore the assertion and continue executing. The message box
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// displays the file name and line number of the _Assert() call.
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//
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// Arguments:
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// char * szFile: Filename where assertion occurred.
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// int iLine: Line number of assertion.
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//
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//--------------------------------------------------------------------------;
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void WINAPI _Assert
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(
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char * szFile,
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int iLine
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)
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{
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static CHAR ach[300]; // debug output (avoid stack overflow)
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int id;
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wsprintfA(ach, "Assertion failed in file %s, line %d. [Press RETRY to debug.]", (LPSTR)szFile, iLine);
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id = MessageBoxA(NULL, ach, "Assertion Failed",
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MB_SYSTEMMODAL | MB_ICONHAND | MB_ABORTRETRYIGNORE );
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switch (id)
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{
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case IDABORT: // Kill the application.
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FatalAppExit(0, TEXT("Good Bye"));
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break;
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case IDRETRY: // Break into the debugger.
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#if DBG
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DebugBreak();
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#endif
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break;
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case IDIGNORE: // Ignore assertion, continue executing.
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break;
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}
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} // _Assert
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#endif // #ifdef DEBUG
|
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