83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/***************************************************************************\
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*
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* FID.H
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*
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* Copyright (C) Microsoft Corporation 1989.
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* All Rights reserved.
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*
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*****************************************************************************
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*
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* Program Description: THC Layer - Low Level File Access; Windows Version
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*
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* Dependencies: prior inclusion of misc.h and fm.h
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*
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*****************************************************************************
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*
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* Revision History: Created 03/03/89 by JohnSc
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3/24/89 johnsc changed most functions to macros; removed includes
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3/28/89 johnsc commented
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7/11/90 leon Added FidPathOpenQfd
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8/09/90 t-AlexC Changed from FILE.h
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02/04/91 Maha changed ints to INT
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*
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*
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*****************************************************************************
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*
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* Known Bugs:
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*
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\***************************************************************************/
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/***************************************************************************\
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*
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* Defines
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*
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\***************************************************************************/
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/***************************************************************************\
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*
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* wRead and wWrite are used both as file permissions and as file open
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* flags. They can be |ed together.
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*
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* Implementation note: they are used as array indices
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*
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\***************************************************************************/
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#define wRead 0x0001
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#define wWrite 0x0002
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#define wReadOnly wRead
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#define wReadWrite ( wRead | wWrite )
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#define wRWMask ( wRead | wWrite )
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#define wShareRead 0x0004
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#define wShareWrite 0x0008
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#define wShareAll ( wShareRead | wShareWrite )
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#define wShareNone 0x000
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#define wShareMask ( wShareRead | wShareWrite )
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#define wShareShift 2
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/***************************************************************************\
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*
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* Types
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*
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\***************************************************************************/
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/***************************************************************************\
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*
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* Global Data
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*
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\***************************************************************************/
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extern RC_TYPE rcIOError;
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/***************************************************************************\
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*
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* Functions and Macros
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*
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\***************************************************************************/
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#define FUnlinkFm(fm) ((BOOL) (RcUnlinkFm(fm) == RC_Success))
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#define FCloseFid(fid) ((BOOL) (_lclose((HFILE) fid) == 0))
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#define FChSizeFid(fid, lcb) ((BOOL) (chsize((fid), (lcb)) == 0))
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#define RcGetIOError() (rcIOError)
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