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124 lines
2.2 KiB
C++
124 lines
2.2 KiB
C++
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/*++
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Copyright (c) Microsoft Corporation
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ModuleName:
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MxGeneralUm.cpp
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Abstract:
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Implementation of MxGeneralUm functions.
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Author:
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Revision History:
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--*/
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#include "Mx.h"
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#include <strsafe.h>
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#include "fxmin.hpp"
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extern "C" IUMDFPlatform *g_IUMDFPlatform;
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VOID
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Mx::MxDbgPrint(
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__drv_formatString(printf)
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__in PCSTR DebugMessage,
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...
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)
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{
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#if DBG
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#define TEMP_BUFFER_SIZE 1024
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va_list list;
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CHAR debugMessageBuffer[TEMP_BUFFER_SIZE];
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HRESULT hr;
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va_start(list, DebugMessage);
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if (DebugMessage) {
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//
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// Using new safe string functions instead of _vsnprintf.
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// This function takes care of NULL terminating if the message
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// is longer than the buffer.
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//
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hr = StringCbVPrintfA( debugMessageBuffer,
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sizeof(debugMessageBuffer),
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DebugMessage,
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list );
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if(!SUCCEEDED(hr)) {
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OutputDebugStringA("WDF DbgPrint: Unable to expand: ");
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OutputDebugStringA(DebugMessage);
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}
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else {
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OutputDebugStringA(debugMessageBuffer);
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}
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}
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va_end(list);
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#else
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UNREFERENCED_PARAMETER(DebugMessage);
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#endif
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return;
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}
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VOID
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Mx::MxBugCheckEx(
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_In_ ULONG BugCheckCode,
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_In_ ULONG_PTR BugCheckParameter1,
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_In_ ULONG_PTR BugCheckParameter2,
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_In_ ULONG_PTR BugCheckParameter3,
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_In_ ULONG_PTR BugCheckParameter4
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)
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{
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UNREFERENCED_PARAMETER(BugCheckParameter1);
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UNREFERENCED_PARAMETER(BugCheckParameter2);
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UNREFERENCED_PARAMETER(BugCheckParameter3);
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UNREFERENCED_PARAMETER(BugCheckParameter4);
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FX_VERIFY(DRIVER(BadAction, BugCheckCode), TRAPMSG("UMDF verification "
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"faults should not call this code path"));
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}
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VOID
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Mx::MxGlobalInit(
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VOID
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)
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{
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//
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// Currently just a placeholder. If there is any global initialization
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// needed for the user-mode primitives, it can be done here.
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//
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}
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VOID
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Mx::MxDetachDevice(
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_Inout_ MdDeviceObject Device
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)
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{
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HRESULT hrDetachDev =
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Device->GetDeviceStackInterface()->DetachDevice(Device);
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UNREFERENCED_PARAMETER(hrDetachDev);
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}
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