diff options
Diffstat (limited to 'generic/tclFileSystem.h')
| -rw-r--r-- | generic/tclFileSystem.h | 137 |
1 files changed, 57 insertions, 80 deletions
diff --git a/generic/tclFileSystem.h b/generic/tclFileSystem.h index 8d0ab34..6be3e03 100644 --- a/generic/tclFileSystem.h +++ b/generic/tclFileSystem.h @@ -1,97 +1,74 @@ -/* +/* * tclFileSystem.h -- * - * This file contains the common defintions and prototypes for - * use by Tcl's filesystem and path handling layers. + * 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 1.6 2004/01/21 19:59:33 vincentdarley Exp $ + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ -/* - * 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. */ - struct FilesystemRecord *prevPtr; - /* The previous filesystem registered - * to Tcl, or NULL if no more. */ -} FilesystemRecord; +#ifndef _TCLFILESYSTEM +#define _TCLFILESYSTEM -/* - * This structure holds per-thread private copy of the - * current directory maintained by the global cwdPathPtr. - * This structure holds per-thread private copies of - * some global data. This way we avoid most of the - * synchronization calls which boosts performance, at - * cost of having to update this information each - * time the corresponding epoch counter changes. - */ -typedef struct ThreadSpecificData { - int initialized; - int cwdPathEpoch; - int filesystemEpoch; - Tcl_Obj *cwdPathPtr; - ClientData cwdClientData; - FilesystemRecord *filesystemList; -} ThreadSpecificData; +#include "tcl.h" -/* - * The internal TclFS API provides routines for handling and - * manipulating paths efficiently, taking direct advantage of - * the "path" Tcl_Obj type. - * +/* + * 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** pathPtrPtr)); -int TclFSMakePathFromNormalized _ANSI_ARGS_((Tcl_Interp *interp, - Tcl_Obj *pathPtr, 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 *pathPtr, Tcl_Obj *cwdPtr)); -Tcl_Obj* TclFSInternalToNormalized _ANSI_ARGS_(( - Tcl_Filesystem *fromFilesystem, ClientData clientData, - FilesystemRecord **fsRecPtrPtr)); -int TclFSEnsureEpochOk _ANSI_ARGS_((Tcl_Obj* pathPtr, - Tcl_Filesystem **fsPtrPtr)); -void TclFSSetPathDetails _ANSI_ARGS_((Tcl_Obj *pathPtr, - FilesystemRecord *fsRecPtr, ClientData clientData )); -Tcl_Obj* TclFSNormalizeAbsolutePath _ANSI_ARGS_((Tcl_Interp* interp, - Tcl_Obj *pathPtr, ClientData *clientDataPtr)); +MODULE_SCOPE int TclFSCwdPointerEquals(Tcl_Obj **pathPtrPtr); +MODULE_SCOPE int TclFSNormalizeToUniquePath(Tcl_Interp *interp, + Tcl_Obj *pathPtr, int startAt); +MODULE_SCOPE Tcl_Obj * TclFSMakePathRelative(Tcl_Interp *interp, + Tcl_Obj *pathPtr, Tcl_Obj *cwdPtr); +MODULE_SCOPE int TclFSEnsureEpochOk(Tcl_Obj *pathPtr, + const Tcl_Filesystem **fsPtrPtr); +MODULE_SCOPE void TclFSSetPathDetails(Tcl_Obj *pathPtr, + const Tcl_Filesystem *fsPtr, ClientData clientData); +MODULE_SCOPE Tcl_Obj * TclFSNormalizeAbsolutePath(Tcl_Interp *interp, + Tcl_Obj *pathPtr); +MODULE_SCOPE int TclFSEpoch(void); -/* +/* * Private shared variables for use by tclIOUtil.c and tclPathObj.c */ -extern Tcl_Filesystem tclNativeFilesystem; -extern Tcl_ThreadDataKey tclFsDataKey; -/* - * Private shared functions for use by tclIOUtil.c and tclPathObj.c +MODULE_SCOPE const Tcl_Filesystem tclNativeFilesystem; + +/* + * Private shared functions for use by tclIOUtil.c, tclPathObj.c and + * tclFileName.c, and any platform-specific filesystem code. + */ + +MODULE_SCOPE Tcl_PathType TclFSGetPathType(Tcl_Obj *pathPtr, + const Tcl_Filesystem **filesystemPtrPtr, + int *driveNameLengthPtr); +MODULE_SCOPE Tcl_PathType TclFSNonnativePathType(const char *pathPtr, + int pathLen, const Tcl_Filesystem **filesystemPtrPtr, + int *driveNameLengthPtr, Tcl_Obj **driveNameRef); +MODULE_SCOPE Tcl_PathType TclGetPathType(Tcl_Obj *pathPtr, + const Tcl_Filesystem **filesystemPtrPtr, + int *driveNameLengthPtr, Tcl_Obj **driveNameRef); +MODULE_SCOPE int TclFSEpochOk(int filesystemEpoch); +MODULE_SCOPE int TclFSCwdIsNative(void); +MODULE_SCOPE Tcl_Obj * TclWinVolumeRelativeNormalize(Tcl_Interp *interp, + const char *path, Tcl_Obj **useThisCwdPtr); + +MODULE_SCOPE Tcl_FSPathInFilesystemProc TclNativePathInFilesystem; +MODULE_SCOPE Tcl_FSCreateInternalRepProc TclNativeCreateNativeRep; + +#endif /* _TCLFILESYSTEM */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: */ -Tcl_PathType TclFSGetPathType _ANSI_ARGS_((Tcl_Obj *pathPtr, - Tcl_Filesystem **filesystemPtrPtr, - int *driveNameLengthPtr)); -Tcl_PathType TclGetPathType _ANSI_ARGS_((Tcl_Obj *pathPtr, - Tcl_Filesystem **filesystemPtrPtr, - int *driveNameLengthPtr, Tcl_Obj **driveNameRef)); -Tcl_FSPathInFilesystemProc TclNativePathInFilesystem; |