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81 lines
1.9 KiB
81 lines
1.9 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1998.
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//
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// File: vpb.c
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//
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// Contents: windbg extension to dump a Vpb
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//
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// Classes:
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//
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// Functions:
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//
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// Coupling:
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//
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// Notes:
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//
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// History: 2-17-1998 benl Created
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//
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//----------------------------------------------------------------------------
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#include "precomp.h"
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#pragma hdrstop
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//+---------------------------------------------------------------------------
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//
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// Function: DECLARE_API(vpb)
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//
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// Synopsis: just print out the fields in the vpb (Volume Parameter Block)
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//
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// Arguments: address of vpb
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//
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// Returns:
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//
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// History: 2-17-1998 benl Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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DECLARE_API( vpb )
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{
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ULONG64 dwAddress;
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DWORD dwRead, Flags;
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UCHAR VolumeLabel[80]={0};
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//read in the vpb
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dwAddress = GetExpression(args);
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if (GetFieldValue(dwAddress, "VPB", "Flags", Flags))
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{
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dprintf("ReadMemory at 0x%p failed\n", dwAddress);
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return E_INVALIDARG;
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}
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//now print some stuff
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dprintf("Vpb at 0x%p\n", dwAddress);
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dprintf("Flags: 0x%x ", Flags);
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if (Flags & VPB_MOUNTED) {
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dprintf("mounted ");
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}
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if (Flags & VPB_LOCKED) {
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dprintf("locked ");
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}
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if (Flags & VPB_PERSISTENT) {
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dprintf("persistent");
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}
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dprintf("\n");
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GetFieldValue(dwAddress, "VPB", "VolumeLabel", VolumeLabel);
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InitTypeRead(dwAddress, VPB);
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dprintf("DeviceObject: 0x%p\n", ReadField(DeviceObject));
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dprintf("RealDevice: 0x%p\n", ReadField(RealDevice));
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dprintf("RefCount: %d\n", (ULONG) ReadField(ReferenceCount));
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dprintf("Volume Label: %*S\n", (ULONG) ReadField(VolumeLabelLength), VolumeLabel);
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return S_OK;
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} // DECLARE_API
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