thodg/libgit2/src/win32/reparse.h

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• Hash : 4bbe5e6e
  Author :
  Date : 2021-08-25T18:14:10
  

  win32: name the dummy union in GIT_REPARSE_DATA_BUFFER Instead of buf->"typeofbuffer"ReparseBuffer the members will be referenced with buf->ReparseBuffer."typeofbuffer" https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/ns-ntifs-_reparse_data_buffer?redirectedfrom=MSDN calls the union DUMMYUNIONNAME but that looks a bit cluttered.

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• src/win32/reparse.h

• /*
  * Copyright (C) the libgit2 contributors. All rights reserved.
  *
  * This file is part of libgit2, distributed under the GNU GPL v2 with
  * a Linking Exception. For full terms see the included COPYING file.
  */
  
  #ifndef INCLUDE_win32_reparse_h__
  #define INCLUDE_win32_reparse_h__
  
  /* This structure is defined on MSDN at
  * http://msdn.microsoft.com/en-us/library/windows/hardware/ff552012(v=vs.85).aspx
  *
  * It was formerly included in the Windows 2000 SDK and remains defined in
  * MinGW, so we must define it with a silly name to avoid conflicting.
  */
  typedef struct _GIT_REPARSE_DATA_BUFFER {
  	ULONG  ReparseTag;
  	USHORT ReparseDataLength;
  	USHORT Reserved;
  	union {
  		struct {
  			USHORT SubstituteNameOffset;
  			USHORT SubstituteNameLength;
  			USHORT PrintNameOffset;
  			USHORT PrintNameLength;
  			ULONG  Flags;
  			WCHAR  PathBuffer[1];
  		} SymbolicLink;
  		struct {
  			USHORT SubstituteNameOffset;
  			USHORT SubstituteNameLength;
  			USHORT PrintNameOffset;
  			USHORT PrintNameLength;
  			WCHAR  PathBuffer[1];
  		} MountPoint;
  		struct {
  			UCHAR DataBuffer[1];
  		} Generic;
  	} ReparseBuffer;
  } GIT_REPARSE_DATA_BUFFER;
  
  #define REPARSE_DATA_HEADER_SIZE			8
  #define REPARSE_DATA_MOUNTPOINT_HEADER_SIZE	8
  #define REPARSE_DATA_UNION_SIZE				12
  
  /* Missing in MinGW */
  #ifndef FSCTL_GET_REPARSE_POINT
  # define FSCTL_GET_REPARSE_POINT			0x000900a8
  #endif
  
  /* Missing in MinGW */
  #ifndef FSCTL_SET_REPARSE_POINT
  # define FSCTL_SET_REPARSE_POINT			0x000900a4
  #endif
  
  #endif
  

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