177 lines
2.6 KiB
C
177 lines
2.6 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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debug.c
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Abstract:
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This file implements the debug code for the
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fax project. All components that require
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debug prints, asserts, etc.
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Author:
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Wesley Witt (wesw) 22-Dec-1995
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Environment:
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User Mode
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--*/
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <tchar.h>
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#include "faxreg.h"
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#include "faxutil.h"
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BOOL ConsoleDebugOutput = FALSE;
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INT FaxDebugLevel = -1;
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#if 0
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VOID
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ConsoleDebugPrint(
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LPCTSTR buf
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)
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{
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}
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#endif
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DWORD
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GetDebugLevel(
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VOID
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)
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{
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DWORD rc;
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DWORD err;
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DWORD size;
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DWORD type;
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HKEY hkey;
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err = RegOpenKey(HKEY_LOCAL_MACHINE,
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REGKEY_FAXSERVER,
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&hkey);
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if (err != ERROR_SUCCESS)
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return 0;
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size = sizeof(DWORD);
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err = RegQueryValueEx(hkey,
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REGVAL_DBGLEVEL,
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0,
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&type,
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(LPBYTE)&rc,
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&size);
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if (err != ERROR_SUCCESS || type != REG_DWORD)
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rc = 0;
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RegCloseKey(hkey);
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return rc;
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}
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void
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dprintf(
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LPCTSTR Format,
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...
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)
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/*++
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Routine Description:
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Prints a debug string
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Arguments:
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format - printf() format string
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... - Variable data
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Return Value:
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None.
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--*/
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{
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TCHAR buf[1024];
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DWORD len;
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va_list arg_ptr;
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static BOOL bChecked = FALSE;
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if (!bChecked) {
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FaxDebugLevel = (INT) GetDebugLevel();
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bChecked = TRUE;
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}
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if (FaxDebugLevel <= 0) {
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return;
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}
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va_start(arg_ptr, Format);
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_vsntprintf(buf, sizeof(buf), Format, arg_ptr);
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ConsoleDebugPrint( buf );
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len = _tcslen( buf );
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if (buf[len-1] != TEXT('\n')) {
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buf[len] = TEXT('\r');
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buf[len+1] = TEXT('\n');
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buf[len+2] = 0;
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}
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OutputDebugString( buf );
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}
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VOID
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AssertError(
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LPCTSTR Expression,
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LPCTSTR File,
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ULONG LineNumber
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)
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/*++
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Routine Description:
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Thie function is use together with the Assert MACRO.
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It checks to see if an expression is FALSE. if the
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expression is FALSE, then you end up here.
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Arguments:
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Expression - The text of the 'C' expression
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File - The file that caused the assertion
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LineNumber - The line number in the file.
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Return Value:
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None.
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--*/
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{
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dprintf(
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TEXT("Assertion error: [%s] %s @ %d\n"),
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Expression,
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File,
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LineNumber
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);
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__try {
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DebugBreak();
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} __except (UnhandledExceptionFilter(GetExceptionInformation())) {
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// Nothing to do in here.
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}
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}
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