55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
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//
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// Debug.cpp -- COM+ Debugging Flags
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//
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// COM+ 1.0
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// Copyright 1998 Microsoft Corporation. All Rights Reserved.
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//
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// Jim Lyon, March 1998.
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//
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#include <windows.h>
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#include "debug.hxx"
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#if DBG == 1
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// The data returned by this module:
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BOOL DebugFlags::sm_fDebugBreakOnLaunchDllHost = FALSE;
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DebugFlags DebugFlags::sm_singleton; // the only object of this class
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// Constructor: Its job is to initialize the static members of this class
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DebugFlags::DebugFlags()
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{
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HKEY hKey;
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if (ERROR_SUCCESS != RegOpenKeyEx (HKEY_LOCAL_MACHINE, TEXT("Software\\Microsoft\\COM3\\Debug"), 0, KEY_READ, &hKey))
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return; // no further initialization possible
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InitBoolean (hKey, TEXT("DebugBreakOnLaunchDllHost"), &sm_fDebugBreakOnLaunchDllHost);
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RegCloseKey (hKey);
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}
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// InitBoolean will initialize a boolean depending on a particular value in the registry.
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// If the value starts with "Y" or "y", the boolean will be set to TRUE.
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// If the value starts with "N" or "n", the boolean will be set to FALSE.
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// If the value doesn't exist, or starts with anything else, the boolean will be unchanged.
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void DebugFlags::InitBoolean (HKEY hKey, const TCHAR* tszValueName, BOOL* pf)
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{
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TCHAR tszValue[20];
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unsigned long cbData = (sizeof tszValue) / (sizeof tszValue[0]);
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if (ERROR_SUCCESS != RegQueryValueEx (hKey, tszValueName, NULL, NULL, (BYTE*)tszValue, &cbData))
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return;
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if (((USHORT)tszValue[0] & 0xFFDF) == 'Y')
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*pf = TRUE;
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if (((USHORT)tszValue[0] & 0xFFDF) == 'N')
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*pf = FALSE;
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}
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#endif
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