Source code of Windows XP (NT5)
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//==========================================================================;
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR
// A PARTICULAR PURPOSE.
//
// Copyright (C) 1993 - 1997 Microsoft Corporation. All Rights Reserved.
//
//--------------------------------------------------------------------------;
//
// debug.c
//
// Description:
// This file contains code yanked from several places to provide debug
// support that works in win 16 and win 32.
//
// History:
// 11/23/92
//
//==========================================================================;
#ifdef DEBUG
#include <windows.h>
#include <windowsx.h>
#include <stdarg.h>
#include "debug.h"
//
// since we don't UNICODE our debugging messages, use the ASCII entry
// points regardless of how we are compiled.
//
#ifdef WIN32
#include <wchar.h>
#else
#define lstrcatA lstrcat
#define lstrlenA lstrlen
#define wvsprintfA wvsprintf
#define GetProfileIntA GetProfileInt
#define OutputDebugStringA OutputDebugString
#endif
//
//
//
BOOL __gfDbgEnabled = TRUE; // master enable
UINT __guDbgLevel = 0; // current debug level
//--------------------------------------------------------------------------;
//
// void DbgVPrintF(LPSTR szFmt, LPSTR va)
//
// Description:
//
//
// Arguments:
//
// Return (void):
//
//
// History:
// 11/28/92
//
//--------------------------------------------------------------------------;
void FAR CDECL DbgVPrintF(LPSTR szFmt, LPSTR va)
{
char ach[DEBUG_MAX_LINE_LEN];
BOOL fDebugBreak = FALSE;
BOOL fPrefix = TRUE;
BOOL fCRLF = TRUE;
ach[0] = '\0';
for (;;)
{
switch(*szFmt)
{
case '!':
fDebugBreak = TRUE;
szFmt++;
continue;
case '`':
fPrefix = FALSE;
szFmt++;
continue;
case '~':
fCRLF = FALSE;
szFmt++;
continue;
}
break;
}
if (fDebugBreak)
{
ach[0] = '\007';
ach[1] = '\0';
}
if (fPrefix)
lstrcatA(ach, DEBUG_MODULE_NAME ": ");
wvsprintfA(ach + lstrlenA(ach), szFmt, va);
if (fCRLF)
lstrcatA(ach, "\r\n");
OutputDebugStringA(ach);
if (fDebugBreak)
DebugBreak();
} // DbgVPrintF()
//--------------------------------------------------------------------------;
//
// void dprintf(UINT uDbgLevel, LPSTR szFmt, ...)
//
// Description:
// dprintf() is called by the DPF macro if DEBUG is defined at compile
// time.
//
// The messages will be send to COM1: like any debug message. To
// enable debug output, add the following to WIN.INI :
//
// [debug]
// ICSAMPLE=1
//
// Arguments:
//
// Return (void):
//
//
// History:
// 11/23/92
//
//--------------------------------------------------------------------------;
void FAR CDECL dprintf(UINT uDbgLevel, LPSTR szFmt, ...)
{
va_list va;
if (!__gfDbgEnabled || (__guDbgLevel < uDbgLevel))
return;
va_start(va, szFmt);
DbgVPrintF(szFmt, va);
va_end(va);
} // dprintf()
//--------------------------------------------------------------------------;
//
// BOOL DbgEnable(BOOL fEnable)
//
// Description:
//
//
// Arguments:
//
// Return (BOOL):
//
//
// History:
// 11/28/92
//
//--------------------------------------------------------------------------;
BOOL WINAPI DbgEnable(BOOL fEnable)
{
BOOL fOldState;
fOldState = __gfDbgEnabled;
__gfDbgEnabled = fEnable;
return (fOldState);
} // DbgEnable()
//--------------------------------------------------------------------------;
//
// UINT DbgSetLevel(UINT uLevel)
//
// Description:
//
//
// Arguments:
//
// Return (UINT):
//
//
// History:
// 11/24/92
//
//--------------------------------------------------------------------------;
UINT WINAPI DbgSetLevel(UINT uLevel)
{
UINT uOldLevel;
uOldLevel = __guDbgLevel;
__guDbgLevel = uLevel;
return (uOldLevel);
} // DbgSetLevel()
//--------------------------------------------------------------------------;
//
// UINT DbgInitialize(void)
//
// Description:
//
//
// Arguments:
//
// Return (UINT):
//
//
// History:
// 11/24/92
//
//--------------------------------------------------------------------------;
UINT WINAPI DbgInitialize(BOOL fEnable)
{
DbgSetLevel(GetProfileIntA(DEBUG_SECTION, DEBUG_MODULE_NAME, 0));
DbgEnable(fEnable);
return (__guDbgLevel);
} // DbgInitialize()
#endif // #ifdef DEBUG