114 lines
1.8 KiB
C++
114 lines
1.8 KiB
C++
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/*++
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Copyright (c) 1998-1999 Microsoft Corporation
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All rights reserved.
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Module Name:
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dbgreslt.cxx
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Abstract:
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Error result help class
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Author:
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Steve Kiraly (SteveKi) 03-20-1998
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Revision History:
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--*/
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#include "precomp.hxx"
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#pragma hdrstop
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#include "dbgreslt.hxx"
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TDebugResult::
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TDebugResult(
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IN DWORD dwError
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) : m_dwError( dwError ),
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m_pszError( NULL )
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{
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}
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TDebugResult::
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~TDebugResult(
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VOID
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)
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{
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//
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// Release any allocated error string.
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//
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if( m_pszError && m_pszError != kstrNull )
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{
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LocalFree( const_cast<LPTSTR>( m_pszError ) );
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}
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}
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BOOL
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TDebugResult::
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bValid(
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VOID
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) const
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{
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return TRUE;
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}
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TDebugResult::
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operator DWORD(
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VOID
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)
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{
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return m_dwError;
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}
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LPCTSTR
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TDebugResult::
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GetErrorString(
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VOID
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)
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{
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DWORD cchReturn = 0;
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DWORD dwFlags = 0;
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//
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// Release any allocated error string.
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//
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if( m_pszError && m_pszError != kstrNull )
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{
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LocalFree( const_cast<LPTSTR>( m_pszError ) );
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}
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//
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// Set the format message flags.
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//
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dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_IGNORE_INSERTS |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_MAX_WIDTH_MASK;
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//
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// Format the message with the passed in last error.
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//
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cchReturn = FormatMessage( dwFlags,
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NULL,
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m_dwError,
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0,
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reinterpret_cast<LPTSTR>( &m_pszError ),
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0,
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NULL );
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//
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// If a format string was not returned set the string to null.
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//
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if( !cchReturn )
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{
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m_pszError = kstrNull;
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}
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return m_pszError;
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}
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