124 lines
2.7 KiB
C++
124 lines
2.7 KiB
C++
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//
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// NetUtil.cpp
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//
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#include "Util.h"
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#include "debug.h"
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#include <devguid.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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HRESULT WINAPI HrFromLastWin32Error()
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//+---------------------------------------------------------------------------
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//
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// Function: HrFromLastWin32Error
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//
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// Purpose: Converts the GetLastError() Win32 call into a proper HRESULT.
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//
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// Arguments:
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// (none)
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//
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// Returns: Converted HRESULT value.
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//
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// Author: danielwe 24 Mar 1997
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//
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// Notes: This is not inline as it actually generates quite a bit of
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// code.
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// If GetLastError returns an error that looks like a SetupApi
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// error, this function will convert the error to an HRESULT
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// with FACILITY_SETUP instead of FACILITY_WIN32
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//
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{
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DWORD dwError = GetLastError();
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HRESULT hr;
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// This test is testing SetupApi errors only (this is
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// temporary because the new HRESULT_FROM_SETUPAPI macro will
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// do the entire conversion)
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if (dwError & (APPLICATION_ERROR_MASK | ERROR_SEVERITY_ERROR))
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{
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hr = HRESULT_FROM_SETUPAPI(dwError);
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}
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else
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{
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hr = HrFromWin32Error(dwError);
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}
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return hr;
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}
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HRESULT WINAPI HrWideCharToMultiByte( const WCHAR* szwString, char** ppszString )
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//+---------------------------------------------------------------------------
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//
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// Function: HrWideCharToMultiByte
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//
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// Purpose:
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//
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// Arguments:
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//
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// Returns: S_OK on success, otherwise an error code
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//
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// Notes:
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//
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{
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HRESULT hr = E_POINTER;
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ASSERT( szwString );
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ASSERT( ppszString );
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if ( ppszString )
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{
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*ppszString = NULL;
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hr = E_INVALIDARG;
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if ( szwString )
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{
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int iLen = 0;
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iLen = WideCharToMultiByte( CP_ACP, 0, szwString, -1, NULL, NULL, NULL, NULL );
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if ( 0 < iLen )
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{
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char* pszName = new char[ iLen ];
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if ( NULL != pszName )
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{
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if ( WideCharToMultiByte( CP_ACP, 0, szwString, -1, pszName, iLen, NULL, NULL ) )
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{
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hr = S_OK;
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*ppszString = pszName;
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}
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else
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{
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hr = HrFromLastWin32Error( );
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delete [] pszName;
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}
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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}
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else
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{
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hr = HrFromLastWin32Error( );
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}
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}
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}
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return hr;
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}
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#ifdef __cplusplus
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}
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#endif
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