106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/* ntPassFsLib.h - pass-through file system library header */
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/* Copyright 1984-1993 Wind River Systems, Inc. */
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/*
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modification history
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--------------------
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01c,07dec99,pai moved HOST_BINARY to ntPassFsLib.h.
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01b,07dec99,pai fixed SPR 27918 by adding ARCHCVTFLAGS macro and
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Win32 file control flag values to ntPassFsLib.h.
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01a,03oct97,cym written from passFsLib.h.
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*/
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#ifndef __INCntPassFsLibh
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#define __INCntPassFsLibh
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if CPU==SIMNT
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/* Win32 API file control options used by open() and creat() */
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#define L_RDONLY 0
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#define L_WRONLY 1
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#define L_RDWR 2
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#define L_ACCMODE (L_RDONLY | L_WRONLY | L_RDWR)
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#define L_APPEND 0x0008
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#define L_CREAT 0x0100
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#define L_TRUNC 0x0200
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#define L_EXCL 0x0400
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/*
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* L_BINARY should match the O_BINARY value in fcntl.h from the toolchain
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* headers (in the host tree.) For cygwin b19, it should be 0x10000. For
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* mingw32 the value should be 0x8000.
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*/
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#define L_BINARY 0x8000
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#define HOST_BINARY L_BINARY
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/*******************************************************************************
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*
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* ARCHCVTFLAGS - map Win32 file flags to VxWorks file flags
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*
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* This macro tests the file mode flags passed in token <x> and, if necessary,
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* converts the VxWorks flag to the corresponding Win32 flag.
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*
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* CAVEATS
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* This macro is intended for ntPassFsLib internal use only.
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*
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* INTERNAL
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* If a particular bit position is not tested in the macro, then it is
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* effectively filtered out of the resulting value.
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*
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* VxWorks and Win32 currently all use the same values for most of the file
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* mode flags passed to open() and creat(). However, some Win32 file flags
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* have different values than those used in the VxWorks API. Local versions
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* of the Win32 modes are used to map VxWorks file mode flags to Win32 file
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* mode flags. This macro and method is identical to what has been done with
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* the HP and Sun simulators in simLib.h. The macro names are conditionally
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* compiled by testing CPU==SIMNT just in case this code is combined with
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* definitions in simLib.h.
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*
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* RETURNS: A flags value converted to something Win32 understands.
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*/
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#define ARCHCVTFLAGS(x) \
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( \
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((x) & O_RDONLY ? L_RDONLY : 0) | \
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((x) & O_WRONLY ? L_WRONLY : 0) | \
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((x) & O_RDWR ? L_RDWR : 0) | \
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/* L_ACCMODE : already tested above */ \
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((x) & O_APPEND ? L_APPEND : 0) | \
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((x) & O_CREAT ? L_CREAT : 0) | \
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((x) & O_TRUNC ? L_TRUNC : 0) | \
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((x) & O_EXCL ? L_EXCL : 0) | \
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((x) & HOST_BINARY ? L_BINARY : 0) \
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)
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#endif /* CPU==SIMNT */
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/* Function declarations */
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#if defined(__STDC__) || defined(__cplusplus)
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extern void *ntPassFsDevInit (char *devName);
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extern STATUS ntPassFsInit (int nPassfs);
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#else /* __STDC__ */
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extern void *ntPassFsDevInit ();
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extern STATUS ntPassFsInit ();
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#endif /* __STDC__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCntPassFsLibh */
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