76 lines
1.3 KiB
C++
76 lines
1.3 KiB
C++
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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input.cxx
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Abstract:
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This file contains the routines to get user input.
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Author:
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Jason Hartman (JasonHa) 2001-05-22
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Environment:
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User Mode
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--*/
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#include "precomp.hxx"
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HRESULT
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GetYNInput(
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PDEBUG_CONTROL Control,
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PCSTR Prompt
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)
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{
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HRESULT hr;
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CHAR Response[4];
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ULONG ResponseLen;
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Control->Output(DEBUG_OUTPUT_NORMAL, "%s yn\n", Prompt);
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do
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{
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hr = Control->Input(Response, sizeof(Response), &ResponseLen);
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if (hr == E_ABORT) break;
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if (hr == S_OK)
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{
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if (ResponseLen != 2)
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{
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hr = E_INVALIDARG;
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}
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else
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{
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Response[0] = (CHAR)tolower(Response[0]);
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if (Response[0] != 'y' && Response[0] != 'n')
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{
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hr = E_INVALIDARG;
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}
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}
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}
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if (hr != S_OK)
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{
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Control->Output(DEBUG_OUTPUT_WARNING, " Please answer y or n.\n");
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}
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} while (hr != S_OK);
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if (hr == S_OK && Response[0] != 'y')
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{
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hr = S_FALSE;
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}
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return hr;
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}
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