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/*
* tclFileSystem.h --
*
* This file contains the common defintions and prototypes for
* use by Tcl's filesystem and path handling layers.
*
* Copyright (c) 2003 Vince Darley.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclFileSystem.h,v 1.1 2003/04/11 15:59:54 vincentdarley Exp $
*/
/*
* struct FilesystemRecord --
*
* A filesystem record is used to keep track of each
* filesystem currently registered with the core,
* in a linked list. Pointers to these structures
* are also kept by each "path" Tcl_Obj, and we must
* retain a refCount on the number of such references.
*/
typedef struct FilesystemRecord {
ClientData clientData; /* Client specific data for the new
* filesystem (can be NULL) */
Tcl_Filesystem *fsPtr; /* Pointer to filesystem dispatch
* table. */
int fileRefCount; /* How many Tcl_Obj's use this
* filesystem. */
struct FilesystemRecord *nextPtr;
/* The next filesystem registered
* to Tcl, or NULL if no more. */
} FilesystemRecord;
/*
* The internal TclFS API provides routines for handling and
* manipulating paths efficiently, taking direct advantage of
* the "path" Tcl_Obj type.
*
* These functions are not exported at all at present.
*/
int TclFSCwdPointerEquals _ANSI_ARGS_((Tcl_Obj* objPtr));
int TclFSMakePathFromNormalized _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Obj *objPtr, ClientData clientData));
int TclFSNormalizeToUniquePath _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Obj *pathPtr, int startAt, ClientData *clientDataPtr));
Tcl_Obj* TclFSMakePathRelative _ANSI_ARGS_((Tcl_Interp *interp,
Tcl_Obj *objPtr, Tcl_Obj *cwdPtr));
Tcl_Obj* TclFSInternalToNormalized _ANSI_ARGS_((
Tcl_Filesystem *fromFilesystem, ClientData clientData,
FilesystemRecord **fsRecPtrPtr, int *epochPtr));
int TclFSEnsureEpochOk _ANSI_ARGS_((Tcl_Obj* pathObjPtr, int theEpoch,
Tcl_Filesystem **fsPtrPtr));
void TclFSSetPathDetails _ANSI_ARGS_((Tcl_Obj *pathObjPtr,
FilesystemRecord *fsRecPtr, ClientData clientData,
int theEpoch));
/*
* Private shared variables for use by tclIOUtil.c and tclPathObj.c
*/
extern Tcl_Filesystem tclNativeFilesystem;
extern int theFilesystemEpoch;
/*
* Private shared functions for use by tclIOUtil.c and tclPathObj.c
*/
Tcl_PathType FSGetPathType _ANSI_ARGS_((Tcl_Obj *pathObjPtr,
Tcl_Filesystem **filesystemPtrPtr,
int *driveNameLengthPtr));
Tcl_PathType GetPathType _ANSI_ARGS_((Tcl_Obj *pathObjPtr,
Tcl_Filesystem **filesystemPtrPtr,
int *driveNameLengthPtr, Tcl_Obj **driveNameRef));
Tcl_FSPathInFilesystemProc NativePathInFilesystem;
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