332 lines
9.2 KiB
OpenEdge ABL
332 lines
9.2 KiB
OpenEdge ABL
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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NtRtlPath.h
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Abstract:
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Broken out from nturtl and rtl so I can move it between them in seperate
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trees without merge madness. To be integrated into ntrtl.h
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Author:
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Jay Krell (a-JayK) December 2000
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Environment:
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Revision History:
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--*/
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#ifndef _NTRTL_PATH_
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#define _NTRTL_PATH_
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#if _MSC_VER >= 1100
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (_MSC_VER)
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#if ( _MSC_VER >= 800 )
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#pragma warning(disable:4514)
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#if _MSC_VER >= 1200
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#pragma warning(push)
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#endif
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#pragma warning(disable:4001)
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#pragma warning(disable:4201)
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#pragma warning(disable:4214)
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#endif
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#endif
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//
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// Don't use NTSYSAPI directly so you can more easily
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// statically link to these functions, independently
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// of how you link to the rest of ntdll.
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//
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#if !defined(RTL_PATH_API)
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#define RTL_PATH_API NTSYSAPI
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#endif
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//
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// These are OUT Disposition values.
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//
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#define RTL_NT_PATH_NAME_TO_DOS_PATH_NAME_AMBIGUOUS (0x00000001)
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#define RTL_NT_PATH_NAME_TO_DOS_PATH_NAME_UNC (0x00000002)
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#define RTL_NT_PATH_NAME_TO_DOS_PATH_NAME_DRIVE (0x00000003)
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#define RTL_NT_PATH_NAME_TO_DOS_PATH_NAME_ALREADY_DOS (0x00000004)
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlNtPathNameToDosPathName(
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IN ULONG Flags,
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IN OUT PRTL_UNICODE_STRING_BUFFER Path,
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OUT ULONG* Disposition OPTIONAL,
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IN OUT PWSTR* FilePart OPTIONAL
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);
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//
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// If either Path or Element end in a path seperator, then so does the result.
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// The path seperator to put on the end is chosen from the existing ones.
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//
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#define RTL_APPEND_PATH_ELEMENT_ONLY_BACKSLASH_IS_SEPERATOR (0x00000001)
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlAppendPathElement(
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IN ULONG Flags,
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IN OUT PRTL_UNICODE_STRING_BUFFER Path,
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PCUNICODE_STRING Element
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);
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//
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// c:\foo => c:\
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// \foo => empty
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// \ => empty
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// Trailing slashness is generally preserved.
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//
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlGetLengthWithoutLastFullDosPathElement(
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IN ULONG Flags,
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IN PCUNICODE_STRING Path,
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OUT ULONG* LengthOut
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);
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlGetLengthWithoutLastNtPathElement(
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IN ULONG Flags,
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IN PCUNICODE_STRING Path,
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OUT ULONG* LengthOut
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);
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlGetLengthWithoutLastFullDosOrNtPathElement(
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IN ULONG Flags,
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IN PCUNICODE_STRING Path,
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OUT ULONG* LengthOut
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);
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlGetLengthWithoutTrailingPathSeperators(
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IN ULONG Flags,
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IN PCUNICODE_STRING Path,
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OUT ULONG* LengthOut
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);
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//++
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//
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// NTSTATUS
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// RtlRemoveLastNtPathElement(
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// IN ULONG Flags
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// IN OUT PUNICODE_STRING UnicodeString
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//
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// NTSTATUS
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// RtlRemoveLastNtPathElement(
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// IN ULONG Flags
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// IN OUT PRTL_UNICODE_STRING_BUFFER UnicodeStringBuffer
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// );
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//
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// NTSTATUS
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// RtlRemoveLastFullDosPathElement(
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// IN ULONG Flags
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// IN OUT PUNICODE_STRING UnicodeString
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//
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// NTSTATUS
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// RtlRemoveLastFullDosPathElement(
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// IN ULONG Flags
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// IN OUT PRTL_UNICODE_STRING_BUFFER UnicodeStringBuffer
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// );
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//
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// NTSTATUS
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// RtlRemoveLastFullDosOrNtPathElement(
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// IN ULONG Flags
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// IN OUT PUNICODE_STRING UnicodeString
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//
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// NTSTATUS
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// RtlRemoveLastFullDosOrNtPathElement(
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// IN ULONG Flags
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// IN OUT PRTL_UNICODE_STRING_BUFFER UnicodeStringBuffer
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// );
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//
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// NTSTATUS
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// RtlRemoveTrailingPathSeperators(
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// IN ULONG Flags
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// IN OUT PUNICODE_STRING UnicodeString
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//
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// NTSTATUS
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// RtlRemoveTrailingPathSeperators(
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// IN ULONG Flags
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// IN OUT PRTL_UNICODE_STRING_BUFFER UnicodeStringBuffer
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// );
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//
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// Routine Description:
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//
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// This family of functions the last element from a path, where path is explicitly
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// an Nt Path, a full DOS path, or either.
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// NT Path:
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// Uses only backslash as delimiter.
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// Starts with single backslash.
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// Full DOS/Win32 Path:
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// Uses backslash and forward slash as delimiter.
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// Starts with two delimiters or drive-letter-colon-delimiter.
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// Also beware the special \\? form.
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//
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// And paths are stored in UNICODE_STRING or RTL_UNICODE_STRING_BUFFER.
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// UNICODE_STRING is shortened just by changing the length, RTL_UNICODE_STRING_BUFFER
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// also get a terminal nul written into them.
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//
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// There were more comments here, but the file got copied over by accident.
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//
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// Arguments:
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//
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// Flags -
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// UnicodeString -
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// UnicodeStringBuffer -
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//
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// Return Value:
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//
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// STATUS_INVALID_PARAMETER
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// STATUS_SUCCESS
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//--
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RTL_PATH_API
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NTSTATUS
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NTAPI
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RtlpApplyLengthFunction(
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IN ULONG Flags,
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IN SIZE_T SizeOfStruct,
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IN OUT PVOID UnicodeStringOrUnicodeStringBuffer,
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NTSTATUS (NTAPI* LengthFunction)(ULONG, PCUNICODE_STRING, ULONG*)
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);
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#define RtlRemoveLastNtPathElement(Flags, Path) \
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(RtlpApplyLengthFunction((Flags), sizeof(*Path), (Path), RtlGetLengthWithoutLastNtPathElement))
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#define RtlRemoveLastFullDosPathElement(Flags, Path) \
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(RtlpApplyLengthFunction((Flags), sizeof(*Path), (Path), RtlGetLengthWithoutLastFullDosPathElement))
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#define RtlRemoveLastFullDosOrNtPathElement(Flags, Path) \
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(RtlpApplyLengthFunction((Flags), sizeof(*Path), (Path), RtlGetLengthWithoutLastFullDosOrNtPathElement))
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#define RtlRemoveTrailingPathSeperators(Flags, Path) \
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(RtlpApplyLengthFunction((Flags), sizeof(*Path), (Path), RtlGetLengthWithoutTrailingPathSeperators))
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//
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// Such small pieces of data are not worth exporting.
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// If you want any of this data in char form, just take the first char from the string.
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//
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#if !(defined(SORTPP_PASS) || defined(MIDL_PASS)) // Neither the Wow64 thunk generation tools nor midl accept this.
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#if defined(RTL_CONSTANT_STRING) // Some code gets here without this defined.
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#if defined(_MSC_VER) && (_MSC_VER >= 1100) // VC5 for __declspec(selectany)
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__declspec(selectany) extern const UNICODE_STRING RtlNtPathSeperatorString = RTL_CONSTANT_STRING(L"\\");
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__declspec(selectany) extern const UNICODE_STRING RtlDosPathSeperatorsString = RTL_CONSTANT_STRING(L"\\/");
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__declspec(selectany) extern const UNICODE_STRING RtlAlternateDosPathSeperatorString = RTL_CONSTANT_STRING(L"/");
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#else
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static const UNICODE_STRING RtlNtPathSeperatorString = RTL_CONSTANT_STRING(L"\\");
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static const UNICODE_STRING RtlDosPathSeperatorsString = RTL_CONSTANT_STRING(L"\\/");
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static const UNICODE_STRING RtlAlternateDosPathSeperatorString = RTL_CONSTANT_STRING(L"/");
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1100)
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#else
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#if defined(_MSC_VER) && (_MSC_VER >= 1100) // VC5 for __declspec(selectany)
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__declspec(selectany) extern const UNICODE_STRING RtlNtPathSeperatorString = { 1 * sizeof(WCHAR), 2 * sizeof(WCHAR), L"\\" };
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__declspec(selectany) extern const UNICODE_STRING RtlDosPathSeperatorsString = { 2 * sizeof(WCHAR), 3 * sizeof(WCHAR), L"\\/" };
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__declspec(selectany) extern const UNICODE_STRING RtlAlternateDosPathSeperatorString = { 1 * sizeof(WCHAR), 2 * sizeof(WCHAR), L"/" };
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#else
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static const UNICODE_STRING RtlNtPathSeperatorString = { 1 * sizeof(WCHAR), 2 * sizeof(WCHAR), L"\\" };
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static const UNICODE_STRING RtlDosPathSeperatorsString = { 2 * sizeof(WCHAR), 3 * sizeof(WCHAR), L"\\/" };
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static const UNICODE_STRING RtlAlternateDosPathSeperatorString = { 1 * sizeof(WCHAR), 2 * sizeof(WCHAR), L"/" };
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1100)
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#endif // defined(RTL_CONSTANT_STRING)
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#define RtlCanonicalDosPathSeperatorString RtlNtPathSeperatorString
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#define RtlPathSeperatorString RtlNtPathSeperatorString
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#endif
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//++
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//
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// WCHAR
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// RTL_IS_DOS_PATH_SEPARATOR(
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// IN WCHAR Ch
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// );
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//
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// Routine Description:
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//
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// Arguments:
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//
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// Ch -
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//
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// Return Value:
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//
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// TRUE if ch is \\ or /.
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// FALSE otherwise.
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//--
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#define RTL_IS_DOS_PATH_SEPARATOR(ch_) ((ch_) == '\\' || ((ch_) == '/'))
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#define RTL_IS_DOS_PATH_SEPERATOR(ch_) RTL_IS_DOS_PATH_SEPARATOR(ch_)
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#if defined(__cplusplus) && defined(_MSC_VER) && _MSC_VER >= 1100 // VC5 for bool
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inline bool RtlIsDosPathSeparator(WCHAR ch) { return RTL_IS_DOS_PATH_SEPARATOR(ch); }
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inline bool RtlIsDosPathSeperator(WCHAR ch) { return RTL_IS_DOS_PATH_SEPARATOR(ch); }
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#endif
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//
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// compatibility
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//
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#define RTL_IS_PATH_SEPERATOR RTL_IS_DOS_PATH_SEPERATOR
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#define RTL_IS_PATH_SEPARATOR RTL_IS_DOS_PATH_SEPERATOR
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#define RtlIsPathSeparator RtlIsDosPathSeparator
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#define RtlIsPathSeperator RtlIsDosPathSeparator
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//++
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//
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// WCHAR
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// RTL_IS_NT_PATH_SEPARATOR(
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// IN WCHAR Ch
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// );
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//
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// Routine Description:
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//
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// Arguments:
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//
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// Ch -
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//
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// Return Value:
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//
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// TRUE if ch is \\.
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// FALSE otherwise.
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//--
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#define RTL_IS_NT_PATH_SEPARATOR(ch_) ((ch_) == '\\')
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#define RTL_IS_NT_PATH_SEPERATOR(ch_) RTL_IS_NT_PATH_SEPARATOR(ch_)
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#if defined(__cplusplus) && defined(_MSC_VER) && _MSC_VER >= 1100 // VC5 for bool
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inline bool RtlIsNtPathSeparator(WCHAR ch) { return RTL_IS_NT_PATH_SEPARATOR(ch); }
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inline bool RtlIsNtPathSeperator(WCHAR ch) { return RTL_IS_NT_PATH_SEPARATOR(ch); }
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#if defined (_MSC_VER) && ( _MSC_VER >= 800 )
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#if _MSC_VER >= 1200
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#pragma warning(pop)
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#else
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#pragma warning(default:4001)
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#pragma warning(default:4201)
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#pragma warning(default:4214)
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#endif
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#endif
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#endif
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