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cf2cbe6ff6
This will allow any future tests, employing IOCTL_MOUNTMGR_* that require read or write accesses, to also use this helper.
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/*
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* PROJECT: ReactOS API Tests
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Utility functions
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* COPYRIGHT: Copyright 2025 Hermès Bélusca-Maïto <hermes.belusca-maito@reactos.org>
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*/
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#include "precomp.h"
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LPCSTR wine_dbgstr_us(const UNICODE_STRING *us)
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{
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if (!us) return "(null)";
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return wine_dbgstr_wn(us->Buffer, us->Length / sizeof(WCHAR));
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}
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/**
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* @brief
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* Retrieves a handle to the MountMgr controlling device.
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* The handle should be closed with NtClose() once it is no longer in use.
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**/
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HANDLE
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GetMountMgrHandle(
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_In_ ACCESS_MASK DesiredAccess)
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{
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NTSTATUS Status;
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UNICODE_STRING MountMgrDevice;
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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HANDLE MountMgrHandle = NULL;
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RtlInitUnicodeString(&MountMgrDevice, MOUNTMGR_DEVICE_NAME);
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InitializeObjectAttributes(&ObjectAttributes,
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&MountMgrDevice,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtOpenFile(&MountMgrHandle,
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DesiredAccess | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT);
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if (!NT_SUCCESS(Status))
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{
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winetest_print("NtOpenFile(%s) failed, Status 0x%08lx\n",
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wine_dbgstr_us(&MountMgrDevice), Status);
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}
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return MountMgrHandle;
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}
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VOID
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DumpBuffer(
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_In_ PVOID Buffer,
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_In_ ULONG Length)
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{
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#define LINE_SIZE (75 + 2)
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ULONG i;
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PBYTE Ptr1, Ptr2;
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CHAR LineBuffer[LINE_SIZE];
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PCHAR Line;
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ULONG LineSize;
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Ptr1 = Ptr2 = Buffer;
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while ((ULONG_PTR)Buffer + Length - (ULONG_PTR)Ptr1 > 0)
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{
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Ptr1 = Ptr2;
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Line = LineBuffer;
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/* Print the address */
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Line += _snprintf(Line, LINE_SIZE + LineBuffer - Line, "%08Ix ", (ULONG_PTR)Ptr1);
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/* Print up to 16 bytes... */
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/* ... in hexadecimal form first... */
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i = 0;
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while (i++ <= 0x0F && ((ULONG_PTR)Buffer + Length - (ULONG_PTR)Ptr1 > 0))
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{
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Line += _snprintf(Line, LINE_SIZE + LineBuffer - Line, " %02x", *Ptr1);
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++Ptr1;
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}
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/* ... align with spaces if needed... */
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RtlFillMemory(Line, (0x0F + 2 - i) * 3 + 2, ' ');
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Line += (0x0F + 2 - i) * 3 + 2;
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/* ... then in character form. */
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i = 0;
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while (i++ <= 0x0F && ((ULONG_PTR)Buffer + Length - (ULONG_PTR)Ptr2 > 0))
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{
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*Line++ = ((*Ptr2 >= 0x20 && *Ptr2 <= 0x7E) || (*Ptr2 >= 0x80 && *Ptr2 < 0xFF) ? *Ptr2 : '.');
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++Ptr2;
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}
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/* Newline */
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*Line++ = '\r';
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*Line++ = '\n';
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/* Finally display the line */
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LineSize = Line - LineBuffer;
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printf("%.*s", (int)LineSize, LineBuffer);
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}
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}
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