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92 lines
1.7 KiB
92 lines
1.7 KiB
// Copyright (c) 2000 Microsoft Corp.
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//
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// random other stuff
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#ifndef MISC_HPP_INCLUDED
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#define MISC_HPP_INCLUDED
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void
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logMessage(const wchar_t* msg)
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{
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if (msg)
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{
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::OutputDebugString(L"dnswiz: ");
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::OutputDebugString(msg);
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::OutputDebugString(L"\n");
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}
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}
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void
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logHresult(HRESULT hr)
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{
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wchar_t buf[1024];
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wsprintf(buf, L"HRESULT = 0x%08X\n", (hr));
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logMessage(buf);
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}
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#ifdef DBG
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#define LOG_HRESULT(hr) logHresult(hr)
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#define LOG_MESSAGE(msg) logMessage(msg)
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#else
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#define LOG_HRESULT(hr)
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#define LOG_MESSAGE(msg)
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#endif DBG
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#define BREAK_ON_FAILED_HRESULT(hr,msg) \
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if (FAILED(hr)) \
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{ \
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LOG_MESSAGE(msg); \
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LOG_HRESULT(hr); \
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break; \
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}
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// A BSTR wrapper that frees itself upon destruction.
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//
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// From Box, D. Essential COM. pp 80-81. Addison-Wesley. ISBN 0-201-63446-5
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class AutoBstr
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{
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public:
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explicit
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AutoBstr(const wchar_t* s)
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:
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bstr(::SysAllocString(s))
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{
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ASSERT(s);
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}
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~AutoBstr()
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{
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::SysFreeString(bstr);
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bstr = 0;
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}
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operator BSTR () const
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{
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return bstr;
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}
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private:
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BSTR bstr;
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};
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#endif // MISC_HPP_INCLUDED
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