diff options
Diffstat (limited to 'mac/tclMacFCmd.c')
| -rw-r--r-- | mac/tclMacFCmd.c | 1721 |
1 files changed, 0 insertions, 1721 deletions
diff --git a/mac/tclMacFCmd.c b/mac/tclMacFCmd.c deleted file mode 100644 index a1307b4..0000000 --- a/mac/tclMacFCmd.c +++ /dev/null @@ -1,1721 +0,0 @@ -/* - * tclMacFCmd.c -- - * - * Implements the Macintosh specific portions of the file manipulation - * subcommands of the "file" command. - * - * Copyright (c) 1996-1998 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclMacFCmd.c,v 1.20 2003/05/14 19:21:23 das Exp $ - */ - -#include "tclInt.h" -#include "tclMac.h" -#include "tclMacInt.h" -#include "tclPort.h" -#include <FSpCompat.h> -#include <MoreFilesExtras.h> -#include <Strings.h> -#include <Errors.h> -#include <FileCopy.h> -#include <DirectoryCopy.h> -#include <Script.h> -#include <string.h> -#include <Finder.h> -#include <Aliases.h> -#include <Resources.h> - -/* - * Callback for the file attributes code. - */ - -static int GetFileFinderAttributes _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj **attributePtrPtr)); -static int GetFileReadOnly _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj **readOnlyPtrPtr)); -static int SetFileFinderAttributes _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj *attributePtr)); -static int SetFileReadOnly _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj *readOnlyPtr)); - -/* - * These are indeces into the tclpFileAttrsStrings table below. - */ - -#define MAC_CREATOR_ATTRIBUTE 0 -#define MAC_HIDDEN_ATTRIBUTE 1 -#define MAC_READONLY_ATTRIBUTE 2 -#define MAC_TYPE_ATTRIBUTE 3 -#define MAC_RSRCLENGTH_ATTRIBUTE 4 - -/* - * Global variables for the file attributes code. - */ - -CONST char *tclpFileAttrStrings[] = {"-creator", "-hidden", "-readonly", - "-type", "-rsrclength", (char *) NULL}; -CONST TclFileAttrProcs tclpFileAttrProcs[] = { - {GetFileFinderAttributes, SetFileFinderAttributes}, - {GetFileFinderAttributes, SetFileFinderAttributes}, - {GetFileReadOnly, SetFileReadOnly}, - {GetFileFinderAttributes, SetFileFinderAttributes}, - {GetFileFinderAttributes, SetFileFinderAttributes}}; - -/* - * File specific static data - */ - -static long startSeed = 248923489; - -/* - * Prototypes for procedure only used in this file - */ - -static pascal Boolean CopyErrHandler _ANSI_ARGS_((OSErr error, - short failedOperation, - short srcVRefNum, long srcDirID, - ConstStr255Param srcName, short dstVRefNum, - long dstDirID,ConstStr255Param dstName)); -static int DoCopyDirectory _ANSI_ARGS_((CONST char *src, - CONST char *dst, Tcl_DString *errorPtr)); -static int DoCopyFile _ANSI_ARGS_((CONST char *src, - CONST char *dst)); -static int DoCreateDirectory _ANSI_ARGS_((CONST char *path)); -static int DoRemoveDirectory _ANSI_ARGS_((CONST char *path, - int recursive, Tcl_DString *errorPtr)); -static int DoRenameFile _ANSI_ARGS_((CONST char *src, - CONST char *dst)); -OSErr FSpGetFLockCompat _ANSI_ARGS_((const FSSpec *specPtr, - Boolean *lockedPtr)); -static OSErr GetFileSpecs _ANSI_ARGS_((CONST char *path, - FSSpec *pathSpecPtr, FSSpec *dirSpecPtr, - Boolean *pathExistsPtr, - Boolean *pathIsDirectoryPtr)); -static OSErr MoveRename _ANSI_ARGS_((const FSSpec *srcSpecPtr, - const FSSpec *dstSpecPtr, StringPtr copyName)); -static int Pstrequal _ANSI_ARGS_((ConstStr255Param stringA, - ConstStr255Param stringB)); - -/* - *--------------------------------------------------------------------------- - * - * TclpObjRenameFile, DoRenameFile -- - * - * Changes the name of an existing file or directory, from src to dst. - * If src and dst refer to the same file or directory, does nothing - * and returns success. Otherwise if dst already exists, it will be - * deleted and replaced by src subject to the following conditions: - * If src is a directory, dst may be an empty directory. - * If src is a file, dst may be a file. - * In any other situation where dst already exists, the rename will - * fail. - * - * Results: - * If the directory was successfully created, returns TCL_OK. - * Otherwise the return value is TCL_ERROR and errno is set to - * indicate the error. Some possible values for errno are: - * - * EACCES: src or dst parent directory can't be read and/or written. - * EEXIST: dst is a non-empty directory. - * EINVAL: src is a root directory or dst is a subdirectory of src. - * EISDIR: dst is a directory, but src is not. - * ENOENT: src doesn't exist. src or dst is "". - * ENOTDIR: src is a directory, but dst is not. - * EXDEV: src and dst are on different filesystems. - * - * Side effects: - * The implementation of rename may allow cross-filesystem renames, - * but the caller should be prepared to emulate it with copy and - * delete if errno is EXDEV. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjRenameFile(srcPathPtr, destPathPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; -{ - return DoRenameFile(Tcl_FSGetNativePath(srcPathPtr), - Tcl_FSGetNativePath(destPathPtr)); -} - -static int -DoRenameFile( - CONST char *src, /* Pathname of file or dir to be renamed - * (native). */ - CONST char *dst) /* New pathname of file or directory - * (native). */ -{ - FSSpec srcFileSpec, dstFileSpec, dstDirSpec; - OSErr err; - long srcID, dummy; - Boolean srcIsDirectory, dstIsDirectory, dstExists, dstLocked; - - err = FSpLLocationFromPath(strlen(src), src, &srcFileSpec); - if (err == noErr) { - FSpGetDirectoryID(&srcFileSpec, &srcID, &srcIsDirectory); - } - if (err == noErr) { - err = GetFileSpecs(dst, &dstFileSpec, &dstDirSpec, &dstExists, - &dstIsDirectory); - } - if (err == noErr) { - if (dstExists == 0) { - err = MoveRename(&srcFileSpec, &dstDirSpec, dstFileSpec.name); - goto end; - } - err = FSpGetFLockCompat(&dstFileSpec, &dstLocked); - if (dstLocked) { - FSpRstFLockCompat(&dstFileSpec); - } - } - if (err == noErr) { - if (srcIsDirectory) { - if (dstIsDirectory) { - /* - * The following call will remove an empty directory. If it - * fails, it's because it wasn't empty. - */ - - if (DoRemoveDirectory(dst, 0, NULL) != TCL_OK) { - return TCL_ERROR; - } - - /* - * Now that that empty directory is gone, we can try - * renaming src. If that fails, we'll put this empty - * directory back, for completeness. - */ - - err = MoveRename(&srcFileSpec, &dstDirSpec, dstFileSpec.name); - if (err != noErr) { - FSpDirCreateCompat(&dstFileSpec, smSystemScript, &dummy); - if (dstLocked) { - FSpSetFLockCompat(&dstFileSpec); - } - } - } else { - errno = ENOTDIR; - return TCL_ERROR; - } - } else { - if (dstIsDirectory) { - errno = EISDIR; - return TCL_ERROR; - } else { - /* - * Overwrite existing file by: - * - * 1. Rename existing file to temp name. - * 2. Rename old file to new name. - * 3. If success, delete temp file. If failure, - * put temp file back to old name. - */ - - Str31 tmpName; - FSSpec tmpFileSpec; - - err = GenerateUniqueName(dstFileSpec.vRefNum, &startSeed, - dstFileSpec.parID, dstFileSpec.parID, tmpName); - if (err == noErr) { - err = FSpRenameCompat(&dstFileSpec, tmpName); - } - if (err == noErr) { - err = FSMakeFSSpecCompat(dstFileSpec.vRefNum, - dstFileSpec.parID, tmpName, &tmpFileSpec); - } - if (err == noErr) { - err = MoveRename(&srcFileSpec, &dstDirSpec, - dstFileSpec.name); - } - if (err == noErr) { - FSpDeleteCompat(&tmpFileSpec); - } else { - FSpDeleteCompat(&dstFileSpec); - FSpRenameCompat(&tmpFileSpec, dstFileSpec.name); - if (dstLocked) { - FSpSetFLockCompat(&dstFileSpec); - } - } - } - } - } - - end: - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *-------------------------------------------------------------------------- - * - * MoveRename -- - * - * Helper function for TclpRenameFile. Renames a file or directory - * into the same directory or another directory. The target name - * must not already exist in the destination directory. - * - * Don't use FSpMoveRenameCompat because it doesn't work with - * directories or with locked files. - * - * Results: - * Returns a mac error indicating the cause of the failure. - * - * Side effects: - * Creates a temp file in the target directory to handle a rename - * between directories. - * - *-------------------------------------------------------------------------- - */ - -static OSErr -MoveRename( - const FSSpec *srcFileSpecPtr, /* Source object. */ - const FSSpec *dstDirSpecPtr, /* Destination directory. */ - StringPtr copyName) /* New name for object in destination - * directory. */ -{ - OSErr err; - long srcID, dstID; - Boolean srcIsDir, dstIsDir; - Str31 tmpName; - FSSpec dstFileSpec, srcDirSpec, tmpSrcFileSpec, tmpDstFileSpec; - Boolean locked; - - if (srcFileSpecPtr->parID == 1) { - /* - * Trying to rename a volume. - */ - - return badMovErr; - } - if (srcFileSpecPtr->vRefNum != dstDirSpecPtr->vRefNum) { - /* - * Renaming across volumes. - */ - - return diffVolErr; - } - err = FSpGetFLockCompat(srcFileSpecPtr, &locked); - if (locked) { - FSpRstFLockCompat(srcFileSpecPtr); - } - if (err == noErr) { - err = FSpGetDirectoryID(dstDirSpecPtr, &dstID, &dstIsDir); - } - if (err == noErr) { - if (srcFileSpecPtr->parID == dstID) { - /* - * Renaming object within directory. - */ - - err = FSpRenameCompat(srcFileSpecPtr, copyName); - goto done; - } - if (Pstrequal(srcFileSpecPtr->name, copyName)) { - /* - * Moving object to another directory (under same name). - */ - - err = FSpCatMoveCompat(srcFileSpecPtr, dstDirSpecPtr); - goto done; - } - err = FSpGetDirectoryID(srcFileSpecPtr, &srcID, &srcIsDir); - } - if (err == noErr) { - /* - * Fullblown: rename source object to temp name, move temp to - * dest directory, and rename temp to target. - */ - - err = GenerateUniqueName(srcFileSpecPtr->vRefNum, &startSeed, - srcFileSpecPtr->parID, dstID, tmpName); - FSMakeFSSpecCompat(srcFileSpecPtr->vRefNum, srcFileSpecPtr->parID, - tmpName, &tmpSrcFileSpec); - FSMakeFSSpecCompat(dstDirSpecPtr->vRefNum, dstID, tmpName, - &tmpDstFileSpec); - } - if (err == noErr) { - err = FSpRenameCompat(srcFileSpecPtr, tmpName); - } - if (err == noErr) { - err = FSpCatMoveCompat(&tmpSrcFileSpec, dstDirSpecPtr); - if (err == noErr) { - err = FSpRenameCompat(&tmpDstFileSpec, copyName); - if (err == noErr) { - goto done; - } - FSMakeFSSpecCompat(srcFileSpecPtr->vRefNum, srcFileSpecPtr->parID, - NULL, &srcDirSpec); - FSpCatMoveCompat(&tmpDstFileSpec, &srcDirSpec); - } - FSpRenameCompat(&tmpSrcFileSpec, srcFileSpecPtr->name); - } - - done: - if (locked != false) { - if (err == noErr) { - FSMakeFSSpecCompat(dstDirSpecPtr->vRefNum, - dstID, copyName, &dstFileSpec); - FSpSetFLockCompat(&dstFileSpec); - } else { - FSpSetFLockCompat(srcFileSpecPtr); - } - } - return err; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjCopyFile, DoCopyFile -- - * - * Copy a single file (not a directory). If dst already exists and - * is not a directory, it is removed. - * - * Results: - * If the file was successfully copied, returns TCL_OK. Otherwise - * the return value is TCL_ERROR and errno is set to indicate the - * error. Some possible values for errno are: - * - * EACCES: src or dst parent directory can't be read and/or written. - * EISDIR: src or dst is a directory. - * ENOENT: src doesn't exist. src or dst is "". - * - * Side effects: - * This procedure will also copy symbolic links, block, and - * character devices, and fifos. For symbolic links, the links - * themselves will be copied and not what they point to. For the - * other special file types, the directory entry will be copied and - * not the contents of the device that it refers to. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjCopyFile(srcPathPtr, destPathPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; -{ - return DoCopyFile(Tcl_FSGetNativePath(srcPathPtr), - Tcl_FSGetNativePath(destPathPtr)); -} - -static int -DoCopyFile( - CONST char *src, /* Pathname of file to be copied (native). */ - CONST char *dst) /* Pathname of file to copy to (native). */ -{ - OSErr err, dstErr; - Boolean dstExists, dstIsDirectory, dstLocked; - FSSpec srcFileSpec, dstFileSpec, dstDirSpec, tmpFileSpec; - Str31 tmpName; - - err = FSpLLocationFromPath(strlen(src), src, &srcFileSpec); - if (err == noErr) { - err = GetFileSpecs(dst, &dstFileSpec, &dstDirSpec, &dstExists, - &dstIsDirectory); - } - if (dstExists) { - if (dstIsDirectory) { - errno = EISDIR; - return TCL_ERROR; - } - err = FSpGetFLockCompat(&dstFileSpec, &dstLocked); - if (dstLocked) { - FSpRstFLockCompat(&dstFileSpec); - } - - /* - * Backup dest file. - */ - - dstErr = GenerateUniqueName(dstFileSpec.vRefNum, &startSeed, dstFileSpec.parID, - dstFileSpec.parID, tmpName); - if (dstErr == noErr) { - dstErr = FSpRenameCompat(&dstFileSpec, tmpName); - } - } - if (err == noErr) { - err = FSpFileCopy(&srcFileSpec, &dstDirSpec, - (StringPtr) dstFileSpec.name, NULL, 0, true); - } - if ((dstExists != false) && (dstErr == noErr)) { - FSMakeFSSpecCompat(dstFileSpec.vRefNum, dstFileSpec.parID, - tmpName, &tmpFileSpec); - if (err == noErr) { - /* - * Delete backup file. - */ - - FSpDeleteCompat(&tmpFileSpec); - } else { - - /* - * Restore backup file. - */ - - FSpDeleteCompat(&dstFileSpec); - FSpRenameCompat(&tmpFileSpec, dstFileSpec.name); - if (dstLocked) { - FSpSetFLockCompat(&dstFileSpec); - } - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjDeleteFile, TclpDeleteFile -- - * - * Removes a single file (not a directory). - * - * Results: - * If the file was successfully deleted, returns TCL_OK. Otherwise - * the return value is TCL_ERROR and errno is set to indicate the - * error. Some possible values for errno are: - * - * EACCES: a parent directory can't be read and/or written. - * EISDIR: path is a directory. - * ENOENT: path doesn't exist or is "". - * - * Side effects: - * The file is deleted, even if it is read-only. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjDeleteFile(pathPtr) - Tcl_Obj *pathPtr; -{ - return TclpDeleteFile(Tcl_FSGetNativePath(pathPtr)); -} - -int -TclpDeleteFile( - CONST char *path) /* Pathname of file to be removed (native). */ -{ - OSErr err; - FSSpec fileSpec; - Boolean isDirectory; - long dirID; - - err = FSpLLocationFromPath(strlen(path), path, &fileSpec); - if (err == noErr) { - /* - * Since FSpDeleteCompat will delete an empty directory, make sure - * that this isn't a directory first. - */ - - FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if (isDirectory == true) { - errno = EISDIR; - return TCL_ERROR; - } - } - err = FSpDeleteCompat(&fileSpec); - if (err == fLckdErr) { - FSpRstFLockCompat(&fileSpec); - err = FSpDeleteCompat(&fileSpec); - if (err != noErr) { - FSpSetFLockCompat(&fileSpec); - } - } - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjCreateDirectory, DoCreateDirectory -- - * - * Creates the specified directory. All parent directories of the - * specified directory must already exist. The directory is - * automatically created with permissions so that user can access - * the new directory and create new files or subdirectories in it. - * - * Results: - * If the directory was successfully created, returns TCL_OK. - * Otherwise the return value is TCL_ERROR and errno is set to - * indicate the error. Some possible values for errno are: - * - * EACCES: a parent directory can't be read and/or written. - * EEXIST: path already exists. - * ENOENT: a parent directory doesn't exist. - * - * Side effects: - * A directory is created with the current umask, except that - * permission for u+rwx will always be added. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjCreateDirectory(pathPtr) - Tcl_Obj *pathPtr; -{ - return DoCreateDirectory(Tcl_FSGetNativePath(pathPtr)); -} - -static int -DoCreateDirectory( - CONST char *path) /* Pathname of directory to create (native). */ -{ - OSErr err; - FSSpec dirSpec; - long outDirID; - - err = FSpLocationFromPath(strlen(path), path, &dirSpec); - if (err == noErr) { - err = dupFNErr; /* EEXIST. */ - } else if (err == fnfErr) { - err = FSpDirCreateCompat(&dirSpec, smSystemScript, &outDirID); - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjCopyDirectory, DoCopyDirectory -- - * - * Recursively copies a directory. The target directory dst must - * not already exist. Note that this function does not merge two - * directory hierarchies, even if the target directory is an an - * empty directory. - * - * Results: - * If the directory was successfully copied, returns TCL_OK. - * Otherwise the return value is TCL_ERROR, errno is set to indicate - * the error, and the pathname of the file that caused the error - * is stored in errorPtr. See TclpCreateDirectory and TclpCopyFile - * for a description of possible values for errno. - * - * Side effects: - * An exact copy of the directory hierarchy src will be created - * with the name dst. If an error occurs, the error will - * be returned immediately, and remaining files will not be - * processed. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjCopyDirectory(srcPathPtr, destPathPtr, errorPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; - Tcl_Obj **errorPtr; -{ - Tcl_DString ds; - int ret; - ret = DoCopyDirectory(Tcl_FSGetNativePath(srcPathPtr), - Tcl_FSGetNativePath(destPathPtr), &ds); - if (ret != TCL_OK) { - *errorPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds), -1); - Tcl_DStringFree(&ds); - Tcl_IncrRefCount(*errorPtr); - } - return ret; -} - -static int -DoCopyDirectory( - CONST char *src, /* Pathname of directory to be copied - * (Native). */ - CONST char *dst, /* Pathname of target directory (Native). */ - Tcl_DString *errorPtr) /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ -{ - OSErr err, saveErr; - long srcID, tmpDirID; - FSSpec srcFileSpec, dstFileSpec, dstDirSpec, tmpDirSpec, tmpFileSpec; - Boolean srcIsDirectory, srcLocked; - Boolean dstIsDirectory, dstExists; - Str31 tmpName; - - err = FSpLocationFromPath(strlen(src), src, &srcFileSpec); - if (err == noErr) { - err = FSpGetDirectoryID(&srcFileSpec, &srcID, &srcIsDirectory); - } - if (err == noErr) { - if (srcIsDirectory == false) { - err = afpObjectTypeErr; /* ENOTDIR. */ - } - } - if (err == noErr) { - err = GetFileSpecs(dst, &dstFileSpec, &dstDirSpec, &dstExists, - &dstIsDirectory); - } - if (dstExists) { - if (dstIsDirectory == false) { - err = afpObjectTypeErr; /* ENOTDIR. */ - } else { - err = dupFNErr; /* EEXIST. */ - } - } - if (err != noErr) { - goto done; - } - if ((srcFileSpec.vRefNum == dstFileSpec.vRefNum) && - (srcFileSpec.parID == dstFileSpec.parID) && - (Pstrequal(srcFileSpec.name, dstFileSpec.name) != 0)) { - /* - * Copying on top of self. No-op. - */ - - goto done; - } - - /* - * This algorthm will work making a copy of the source directory in - * the current directory with a new name, in a new directory with the - * same name, and in a new directory with a new name: - * - * 1. Make dstDir/tmpDir. - * 2. Copy srcDir/src to dstDir/tmpDir/src - * 3. Rename dstDir/tmpDir/src to dstDir/tmpDir/dst (if necessary). - * 4. CatMove dstDir/tmpDir/dst to dstDir/dst. - * 5. Remove dstDir/tmpDir. - */ - - err = FSpGetFLockCompat(&srcFileSpec, &srcLocked); - if (srcLocked) { - FSpRstFLockCompat(&srcFileSpec); - } - if (err == noErr) { - err = GenerateUniqueName(dstFileSpec.vRefNum, &startSeed, dstFileSpec.parID, - dstFileSpec.parID, tmpName); - } - if (err == noErr) { - FSMakeFSSpecCompat(dstFileSpec.vRefNum, dstFileSpec.parID, - tmpName, &tmpDirSpec); - err = FSpDirCreateCompat(&tmpDirSpec, smSystemScript, &tmpDirID); - } - if (err == noErr) { - err = FSpDirectoryCopy(&srcFileSpec, &tmpDirSpec, NULL, NULL, 0, true, - CopyErrHandler); - } - - /* - * Even if the Copy failed, Rename/Move whatever did get copied to the - * appropriate final destination, if possible. - */ - - saveErr = err; - err = noErr; - if (Pstrequal(srcFileSpec.name, dstFileSpec.name) == 0) { - err = FSMakeFSSpecCompat(tmpDirSpec.vRefNum, tmpDirID, - srcFileSpec.name, &tmpFileSpec); - if (err == noErr) { - err = FSpRenameCompat(&tmpFileSpec, dstFileSpec.name); - } - } - if (err == noErr) { - err = FSMakeFSSpecCompat(tmpDirSpec.vRefNum, tmpDirID, - dstFileSpec.name, &tmpFileSpec); - } - if (err == noErr) { - err = FSpCatMoveCompat(&tmpFileSpec, &dstDirSpec); - } - if (err == noErr) { - if (srcLocked) { - FSpSetFLockCompat(&dstFileSpec); - } - } - - FSpDeleteCompat(&tmpDirSpec); - - if (saveErr != noErr) { - err = saveErr; - } - - done: - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - if (errorPtr != NULL) { - Tcl_ExternalToUtfDString(NULL, dst, -1, errorPtr); - } - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * CopyErrHandler -- - * - * This procedure is called from the MoreFiles procedure - * FSpDirectoryCopy whenever an error occurs. - * - * Results: - * False if the condition should not be considered an error, true - * otherwise. - * - * Side effects: - * Since FSpDirectoryCopy() is called only after removing any - * existing target directories, there shouldn't be any errors. - * - *---------------------------------------------------------------------- - */ - -static pascal Boolean -CopyErrHandler( - OSErr error, /* Error that occured */ - short failedOperation, /* operation that caused the error */ - short srcVRefNum, /* volume ref number of source */ - long srcDirID, /* directory id of source */ - ConstStr255Param srcName, /* name of source */ - short dstVRefNum, /* volume ref number of dst */ - long dstDirID, /* directory id of dst */ - ConstStr255Param dstName) /* name of dst directory */ -{ - return true; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjRemoveDirectory, DoRemoveDirectory -- - * - * Removes directory (and its contents, if the recursive flag is set). - * - * Results: - * If the directory was successfully removed, returns TCL_OK. - * Otherwise the return value is TCL_ERROR, errno is set to indicate - * the error, and the pathname of the file that caused the error - * is stored in errorPtr. Some possible values for errno are: - * - * EACCES: path directory can't be read and/or written. - * EEXIST: path is a non-empty directory. - * EINVAL: path is a root directory. - * ENOENT: path doesn't exist or is "". - * ENOTDIR: path is not a directory. - * - * Side effects: - * Directory removed. If an error occurs, the error will be returned - * immediately, and remaining files will not be deleted. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjRemoveDirectory(pathPtr, recursive, errorPtr) - Tcl_Obj *pathPtr; - int recursive; - Tcl_Obj **errorPtr; -{ - Tcl_DString ds; - int ret; - ret = DoRemoveDirectory(Tcl_FSGetNativePath(pathPtr),recursive, &ds); - if (ret != TCL_OK) { - *errorPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds), -1); - Tcl_DStringFree(&ds); - Tcl_IncrRefCount(*errorPtr); - } - return ret; -} - -static int -DoRemoveDirectory( - CONST char *path, /* Pathname of directory to be removed - * (native). */ - int recursive, /* If non-zero, removes directories that - * are nonempty. Otherwise, will only remove - * empty directories. */ - Tcl_DString *errorPtr) /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ -{ - OSErr err; - FSSpec fileSpec; - long dirID; - int locked; - Boolean isDirectory; - CInfoPBRec pb; - Str255 fileName; - - - locked = 0; - err = FSpLocationFromPath(strlen(path), path, &fileSpec); - if (err != noErr) { - goto done; - } - - /* - * Since FSpDeleteCompat will delete a file, make sure this isn't - * a file first. - */ - - isDirectory = 1; - FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if (isDirectory == 0) { - errno = ENOTDIR; - return TCL_ERROR; - } - - err = FSpDeleteCompat(&fileSpec); - if (err == fLckdErr) { - locked = 1; - FSpRstFLockCompat(&fileSpec); - err = FSpDeleteCompat(&fileSpec); - } - if (err == noErr) { - return TCL_OK; - } - if (err != fBsyErr) { - goto done; - } - - if (recursive == 0) { - /* - * fBsyErr means one of three things: file busy, directory not empty, - * or working directory control block open. Determine if directory - * is empty. If directory is not empty, return EEXIST. - */ - - pb.hFileInfo.ioVRefNum = fileSpec.vRefNum; - pb.hFileInfo.ioDirID = dirID; - pb.hFileInfo.ioNamePtr = (StringPtr) fileName; - pb.hFileInfo.ioFDirIndex = 1; - if (PBGetCatInfoSync(&pb) == noErr) { - err = dupFNErr; /* EEXIST */ - goto done; - } - } - - /* - * DeleteDirectory removes a directory and all its contents, including - * any locked files. There is no interface to get the name of the - * file that caused the error, if an error occurs deleting this tree, - * unless we rewrite DeleteDirectory ourselves. - */ - - err = DeleteDirectory(fileSpec.vRefNum, dirID, NULL); - - done: - if (err != noErr) { - if (errorPtr != NULL) { - Tcl_UtfToExternalDString(NULL, path, -1, errorPtr); - } - if (locked) { - FSpSetFLockCompat(&fileSpec); - } - errno = TclMacOSErrorToPosixError(err); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *--------------------------------------------------------------------------- - * - * GetFileSpecs -- - * - * Gets FSSpecs for the specified path and its parent directory. - * - * Results: - * The return value is noErr if there was no error getting FSSpecs, - * otherwise it is an error describing the problem. Fills buffers - * with information, as above. - * - * Side effects: - * None. - * - *--------------------------------------------------------------------------- - */ - -static OSErr -GetFileSpecs( - CONST char *path, /* The path to query. */ - FSSpec *pathSpecPtr, /* Filled with information about path. */ - FSSpec *dirSpecPtr, /* Filled with information about path's - * parent directory. */ - Boolean *pathExistsPtr, /* Set to true if path actually exists, - * false if it doesn't or there was an - * error reading the specified path. */ - Boolean *pathIsDirectoryPtr)/* Set to true if path is itself a directory, - * otherwise false. */ -{ - CONST char *dirName; - OSErr err; - int argc; - CONST char **argv; - long d; - Tcl_DString buffer; - - *pathExistsPtr = false; - *pathIsDirectoryPtr = false; - - Tcl_DStringInit(&buffer); - Tcl_SplitPath(path, &argc, &argv); - if (argc == 1) { - dirName = ":"; - } else { - dirName = Tcl_JoinPath(argc - 1, argv, &buffer); - } - err = FSpLocationFromPath(strlen(dirName), dirName, dirSpecPtr); - Tcl_DStringFree(&buffer); - ckfree((char *) argv); - - if (err == noErr) { - err = FSpLocationFromPath(strlen(path), path, pathSpecPtr); - if (err == noErr) { - *pathExistsPtr = true; - err = FSpGetDirectoryID(pathSpecPtr, &d, pathIsDirectoryPtr); - } else if (err == fnfErr) { - err = noErr; - } - } - return err; -} - -/* - *------------------------------------------------------------------------- - * - * FSpGetFLockCompat -- - * - * Determines if there exists a software lock on the specified - * file. The software lock could prevent the file from being - * renamed or moved. - * - * Results: - * Standard macintosh error code. - * - * Side effects: - * None. - * - * - *------------------------------------------------------------------------- - */ - -OSErr -FSpGetFLockCompat( - const FSSpec *specPtr, /* File to query. */ - Boolean *lockedPtr) /* Set to true if file is locked, false - * if it isn't or there was an error reading - * specified file. */ -{ - CInfoPBRec pb; - OSErr err; - - pb.hFileInfo.ioVRefNum = specPtr->vRefNum; - pb.hFileInfo.ioDirID = specPtr->parID; - pb.hFileInfo.ioNamePtr = (StringPtr) specPtr->name; - pb.hFileInfo.ioFDirIndex = 0; - - err = PBGetCatInfoSync(&pb); - if ((err == noErr) && (pb.hFileInfo.ioFlAttrib & 0x01)) { - *lockedPtr = true; - } else { - *lockedPtr = false; - } - return err; -} - -/* - *---------------------------------------------------------------------- - * - * Pstrequal -- - * - * Pascal string compare. - * - * Results: - * Returns 1 if strings equal, 0 otherwise. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -static int -Pstrequal ( - ConstStr255Param stringA, /* Pascal string A */ - ConstStr255Param stringB) /* Pascal string B */ -{ - int i, len; - - len = *stringA; - for (i = 0; i <= len; i++) { - if (*stringA++ != *stringB++) { - return 0; - } - } - return 1; -} - -/* - *---------------------------------------------------------------------- - * - * GetFileFinderAttributes -- - * - * Returns a Tcl_Obj containing the value of a file attribute - * which is part of the FInfo record. Which attribute is controlled - * by objIndex. - * - * Results: - * Returns a standard TCL error. If the return value is TCL_OK, - * the new creator or file type object is put into attributePtrPtr. - * The object will have ref count 0. If there is an error, - * attributePtrPtr is not touched. - * - * Side effects: - * A new object is allocated if the file is valid. - * - *---------------------------------------------------------------------- - */ - -static int -GetFileFinderAttributes( - Tcl_Interp *interp, /* The interp to report errors with. */ - int objIndex, /* The index of the attribute option. */ - Tcl_Obj *fileName, /* The name of the file (UTF-8). */ - Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ -{ - OSErr err; - FSSpec fileSpec; - FInfo finfo; - CInfoPBRec pb; - CONST char *native; - - native=Tcl_FSGetNativePath(fileName); - err = FSpLLocationFromPath(strlen(native), - native, &fileSpec); - - if (err == noErr) { - if (objIndex != MAC_RSRCLENGTH_ATTRIBUTE) { - err = FSpGetFInfo(&fileSpec, &finfo); - } else { - pb.hFileInfo.ioCompletion = NULL; - pb.hFileInfo.ioNamePtr = fileSpec.name; - pb.hFileInfo.ioVRefNum = fileSpec.vRefNum; - pb.hFileInfo.ioFDirIndex = 0; - pb.hFileInfo.ioDirID = fileSpec.parID; - err = PBGetCatInfo(&pb, 0); - } - } - - if (err == noErr) { - switch (objIndex) { - case MAC_CREATOR_ATTRIBUTE: - *attributePtrPtr = Tcl_NewOSTypeObj(finfo.fdCreator); - break; - case MAC_HIDDEN_ATTRIBUTE: - *attributePtrPtr = Tcl_NewBooleanObj(finfo.fdFlags - & kIsInvisible); - break; - case MAC_TYPE_ATTRIBUTE: - *attributePtrPtr = Tcl_NewOSTypeObj(finfo.fdType); - break; - case MAC_RSRCLENGTH_ATTRIBUTE: - *attributePtrPtr = Tcl_NewLongObj(pb.hFileInfo.ioFlRLgLen); - break; - } - } else if (err == fnfErr) { - long dirID; - Boolean isDirectory = 0; - - err = FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if ((err == noErr) && isDirectory) { - if (objIndex == MAC_HIDDEN_ATTRIBUTE) { - *attributePtrPtr = Tcl_NewBooleanObj(0); - } else { - /* Directories only support attribute "-hidden" */ - errno = EISDIR; - Tcl_AppendResult(interp, "invalid attribute: ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not read \"", Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * GetFileReadOnly -- - * - * Returns a Tcl_Obj containing a Boolean value indicating whether - * or not the file is read-only. The object will have ref count 0. - * This procedure just checks the Finder attributes; it does not - * check AppleShare sharing attributes. - * - * Results: - * Returns a standard TCL error. If the return value is TCL_OK, - * the new creator type object is put into readOnlyPtrPtr. - * If there is an error, readOnlyPtrPtr is not touched. - * - * Side effects: - * A new object is allocated if the file is valid. - * - *---------------------------------------------------------------------- - */ - -static int -GetFileReadOnly( - Tcl_Interp *interp, /* The interp to report errors with. */ - int objIndex, /* The index of the attribute. */ - Tcl_Obj *fileName, /* The name of the file (UTF-8). */ - Tcl_Obj **readOnlyPtrPtr) /* A pointer to return the object with. */ -{ - OSErr err; - FSSpec fileSpec; - CInfoPBRec paramBlock; - CONST char *native; - - native=Tcl_FSGetNativePath(fileName); - err = FSpLLocationFromPath(strlen(native), - native, &fileSpec); - - if (err == noErr) { - if (err == noErr) { - paramBlock.hFileInfo.ioCompletion = NULL; - paramBlock.hFileInfo.ioNamePtr = fileSpec.name; - paramBlock.hFileInfo.ioVRefNum = fileSpec.vRefNum; - paramBlock.hFileInfo.ioFDirIndex = 0; - paramBlock.hFileInfo.ioDirID = fileSpec.parID; - err = PBGetCatInfo(¶mBlock, 0); - if (err == noErr) { - - /* - * For some unknown reason, the Mac does not give - * symbols for the bits in the ioFlAttrib field. - * 1 -> locked. - */ - - *readOnlyPtrPtr = Tcl_NewBooleanObj( - paramBlock.hFileInfo.ioFlAttrib & 1); - } - } - } - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not read \"", Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * SetFileFinderAttributes -- - * - * Sets the file to the creator or file type given by attributePtr. - * objIndex determines whether the creator or file type is set. - * - * Results: - * Returns a standard TCL error. - * - * Side effects: - * The file's attribute is set. - * - *---------------------------------------------------------------------- - */ - -static int -SetFileFinderAttributes( - Tcl_Interp *interp, /* The interp to report errors with. */ - int objIndex, /* The index of the attribute. */ - Tcl_Obj *fileName, /* The name of the file (UTF-8). */ - Tcl_Obj *attributePtr) /* The command line object. */ -{ - OSErr err; - FSSpec fileSpec; - FInfo finfo; - CInfoPBRec pb; - CONST char *native; - - native=Tcl_FSGetNativePath(fileName); - err = FSpLLocationFromPath(strlen(native), - native, &fileSpec); - - if (err == noErr) { - if (objIndex != MAC_RSRCLENGTH_ATTRIBUTE) { - err = FSpGetFInfo(&fileSpec, &finfo); - } else { - pb.hFileInfo.ioCompletion = NULL; - pb.hFileInfo.ioNamePtr = fileSpec.name; - pb.hFileInfo.ioVRefNum = fileSpec.vRefNum; - pb.hFileInfo.ioFDirIndex = 0; - pb.hFileInfo.ioDirID = fileSpec.parID; - err = PBGetCatInfo(&pb, 0); - } - } - - if (err == noErr) { - switch (objIndex) { - case MAC_CREATOR_ATTRIBUTE: - if (Tcl_GetOSTypeFromObj(interp, attributePtr, - &finfo.fdCreator) != TCL_OK) { - return TCL_ERROR; - } - break; - case MAC_HIDDEN_ATTRIBUTE: { - int hidden; - - if (Tcl_GetBooleanFromObj(interp, attributePtr, &hidden) - != TCL_OK) { - return TCL_ERROR; - } - if (hidden) { - finfo.fdFlags |= kIsInvisible; - } else { - finfo.fdFlags &= ~kIsInvisible; - } - break; - } - case MAC_TYPE_ATTRIBUTE: - if (Tcl_GetOSTypeFromObj(interp, attributePtr, - &finfo.fdType) != TCL_OK) { - return TCL_ERROR; - } - break; - case MAC_RSRCLENGTH_ATTRIBUTE: - { - long newRsrcForkSize; - - if (Tcl_GetLongFromObj(interp, attributePtr, - &newRsrcForkSize) != TCL_OK) { - return TCL_ERROR; - } - if(newRsrcForkSize != pb.hFileInfo.ioFlRLgLen) { - short rf; - /* - * Only setting rsrclength to 0 to strip - * a file's resource fork is supported. - */ - if(newRsrcForkSize != 0) { - Tcl_AppendResult(interp, - "setting nonzero rsrclength not supported", - (char *) NULL); - return TCL_ERROR; - } - - if ((rf = FSpOpenResFile(&fileSpec, fsWrPerm)) >= 0) { - err = SetEOF(rf, 0); - CloseResFile(rf); - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - Tcl_AppendResult(interp, - "could not truncate resource fork of \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - } - break; - } - } - if (objIndex != MAC_RSRCLENGTH_ATTRIBUTE) { - err = FSpSetFInfo(&fileSpec, &finfo); - } - } else if (err == fnfErr) { - long dirID; - Boolean isDirectory = 0; - - err = FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if ((err == noErr) && isDirectory) { - Tcl_Obj *resultPtr = Tcl_GetObjResult(interp); - Tcl_AppendStringsToObj(resultPtr, "cannot set ", - tclpFileAttrStrings[objIndex], ": \"", - Tcl_GetString(fileName), "\" is a directory", (char *) NULL); - return TCL_ERROR; - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not read \"", Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * SetFileReadOnly -- - * - * Sets the file to be read-only according to the Boolean value - * given by hiddenPtr. - * - * Results: - * Returns a standard TCL error. - * - * Side effects: - * The file's attribute is set. - * - *---------------------------------------------------------------------- - */ - -static int -SetFileReadOnly( - Tcl_Interp *interp, /* The interp to report errors with. */ - int objIndex, /* The index of the attribute. */ - Tcl_Obj *fileName, /* The name of the file (UTF-8). */ - Tcl_Obj *readOnlyPtr) /* The command line object. */ -{ - OSErr err; - FSSpec fileSpec; - HParamBlockRec paramBlock; - int hidden; - CONST char *native; - - native=Tcl_FSGetNativePath(fileName); - err = FSpLLocationFromPath(strlen(native), - native, &fileSpec); - - if (err == noErr) { - if (Tcl_GetBooleanFromObj(interp, readOnlyPtr, &hidden) != TCL_OK) { - return TCL_ERROR; - } - - paramBlock.fileParam.ioCompletion = NULL; - paramBlock.fileParam.ioNamePtr = fileSpec.name; - paramBlock.fileParam.ioVRefNum = fileSpec.vRefNum; - paramBlock.fileParam.ioDirID = fileSpec.parID; - if (hidden) { - err = PBHSetFLock(¶mBlock, 0); - } else { - err = PBHRstFLock(¶mBlock, 0); - } - } - - if (err == fnfErr) { - long dirID; - Boolean isDirectory = 0; - err = FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if ((err == noErr) && isDirectory) { - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "cannot set a directory to read-only when File Sharing is turned off", - (char *) NULL); - return TCL_ERROR; - } else { - err = fnfErr; - } - } - - if (err != noErr) { - errno = TclMacOSErrorToPosixError(err); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not read \"", Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); - return TCL_ERROR; - } - return TCL_OK; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjListVolumes -- - * - * Lists the currently mounted volumes - * - * Results: - * The list of volumes. - * - * Side effects: - * None - * - *--------------------------------------------------------------------------- - */ -Tcl_Obj* -TclpObjListVolumes(void) -{ - HParamBlockRec pb; - Str255 name; - OSErr theError = noErr; - Tcl_Obj *resultPtr, *elemPtr; - short volIndex = 1; - Tcl_DString dstr; - - resultPtr = Tcl_NewObj(); - - /* - * We use two facts: - * 1) The Mac volumes are enumerated by the ioVolIndex parameter of - * the HParamBlockRec. They run through the integers contiguously, - * starting at 1. - * 2) PBHGetVInfoSync returns an error when you ask for a volume index - * that does not exist. - * - */ - - while ( 1 ) { - pb.volumeParam.ioNamePtr = (StringPtr) &name; - pb.volumeParam.ioVolIndex = volIndex; - - theError = PBHGetVInfoSync(&pb); - - if ( theError != noErr ) { - break; - } - - Tcl_ExternalToUtfDString(NULL, (CONST char *)&name[1], name[0], &dstr); - elemPtr = Tcl_NewStringObj(Tcl_DStringValue(&dstr), - Tcl_DStringLength(&dstr)); - Tcl_AppendToObj(elemPtr, ":", 1); - Tcl_ListObjAppendElement(NULL, resultPtr, elemPtr); - - Tcl_DStringFree(&dstr); - - volIndex++; - } - - Tcl_IncrRefCount(resultPtr); - return resultPtr; -} - -/* - *--------------------------------------------------------------------------- - * - * TclpObjNormalizePath -- - * - * This function scans through a path specification and replaces - * it, in place, with a normalized version. On MacOS, this means - * resolving all aliases present in the path and replacing the head of - * pathPtr with the absolute case-sensitive path to the last file or - * directory that could be validated in the path. - * - * Results: - * The new 'nextCheckpoint' value, giving as far as we could - * understand in the path. - * - * Side effects: - * The pathPtr string, which must contain a valid path, is - * possibly modified in place. - * - *--------------------------------------------------------------------------- - */ - -int -TclpObjNormalizePath(interp, pathPtr, nextCheckpoint) - Tcl_Interp *interp; - Tcl_Obj *pathPtr; - int nextCheckpoint; -{ - #define MAXMACFILENAMELEN 31 /* assumed to be < sizeof(StrFileName) */ - - StrFileName fileName; - StringPtr fileNamePtr; - int fileNameLen,newPathLen; - Handle newPathHandle; - OSErr err; - short vRefNum; - long dirID; - Boolean isDirectory; - Boolean wasAlias=FALSE; - FSSpec fileSpec, lastFileSpec; - - Tcl_DString nativeds; - - char cur; - int firstCheckpoint=nextCheckpoint, lastCheckpoint; - int origPathLen; - char *path = Tcl_GetStringFromObj(pathPtr,&origPathLen); - - { - int currDirValid=0; - /* - * check if substring to first ':' after initial - * nextCheckpoint is a valid relative or absolute - * path to a directory, if not we return without - * normalizing anything - */ - - while (1) { - cur = path[nextCheckpoint]; - if (cur == ':' || cur == 0) { - if (cur == ':') { - /* jump over separator */ - nextCheckpoint++; cur = path[nextCheckpoint]; - } - Tcl_UtfToExternalDString(NULL,path,nextCheckpoint,&nativeds); - err = FSpLLocationFromPath(Tcl_DStringLength(&nativeds), - Tcl_DStringValue(&nativeds), - &fileSpec); - Tcl_DStringFree(&nativeds); - if (err == noErr) { - lastFileSpec=fileSpec; - err = ResolveAliasFile(&fileSpec, true, &isDirectory, - &wasAlias); - if (err == noErr) { - err = FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - currDirValid = ((err == noErr) && isDirectory); - vRefNum = fileSpec.vRefNum; - } - } - break; - } - nextCheckpoint++; - } - - if(!currDirValid) { - /* can't determine root dir, bail out */ - return firstCheckpoint; - } - } - - /* - * Now vRefNum and dirID point to a valid - * directory, so walk the rest of the path - * ( code adapted from FSpLocationFromPath() ) - */ - - lastCheckpoint=nextCheckpoint; - while (1) { - cur = path[nextCheckpoint]; - if (cur == ':' || cur == 0) { - fileNameLen=nextCheckpoint-lastCheckpoint; - fileNamePtr=fileName; - if(fileNameLen==0) { - if (cur == ':') { - /* - * special case for empty dirname i.e. encountered - * a '::' path component: get parent dir of currDir - */ - fileName[0]=2; - strcpy((char *) fileName + 1, "::"); - lastCheckpoint--; - } else { - /* - * empty filename, i.e. want FSSpec for currDir - */ - fileNamePtr=NULL; - } - } else { - Tcl_UtfToExternalDString(NULL,&path[lastCheckpoint], - fileNameLen,&nativeds); - fileNameLen=Tcl_DStringLength(&nativeds); - if(fileNameLen > MAXMACFILENAMELEN) { - err = bdNamErr; - } else { - fileName[0]=fileNameLen; - strncpy((char *) fileName + 1, Tcl_DStringValue(&nativeds), - fileNameLen); - } - Tcl_DStringFree(&nativeds); - } - if(err == noErr) - err=FSMakeFSSpecCompat(vRefNum, dirID, fileNamePtr, &fileSpec); - if(err != noErr) { - if(err != fnfErr) { - /* - * this can occur if trying to get parent of a root - * volume via '::' or when using an illegal - * filename; revert to last checkpoint and stop - * processing path further - */ - err=FSMakeFSSpecCompat(vRefNum, dirID, NULL, &fileSpec); - if(err != noErr) { - /* should never happen, bail out */ - return firstCheckpoint; - } - nextCheckpoint=lastCheckpoint; - cur = path[lastCheckpoint]; - } - break; /* arrived at nonexistent file or dir */ - } else { - /* fileSpec could point to an alias, resolve it */ - lastFileSpec=fileSpec; - err = ResolveAliasFile(&fileSpec, true, &isDirectory, - &wasAlias); - if (err != noErr || !isDirectory) { - break; /* fileSpec doesn't point to a dir */ - } - } - if (cur == 0) break; /* arrived at end of path */ - - /* fileSpec points to possibly nonexisting subdirectory; validate */ - err = FSpGetDirectoryID(&fileSpec, &dirID, &isDirectory); - if (err != noErr || !isDirectory) { - break; /* fileSpec doesn't point to existing dir */ - } - vRefNum = fileSpec.vRefNum; - - /* found a new valid subdir in path, continue processing path */ - lastCheckpoint=nextCheckpoint+1; - } - wasAlias=FALSE; - nextCheckpoint++; - } - - if (wasAlias) - fileSpec=lastFileSpec; - - /* - * fileSpec now points to a possibly nonexisting file or dir - * inside a valid dir; get full path name to it - */ - - err=FSpPathFromLocation(&fileSpec, &newPathLen, &newPathHandle); - if(err != noErr) { - return firstCheckpoint; /* should not see any errors here, bail out */ - } - - HLock(newPathHandle); - Tcl_ExternalToUtfDString(NULL,*newPathHandle,newPathLen,&nativeds); - if (cur != 0) { - /* not at end, append remaining path */ - if ( newPathLen==0 || (*(*newPathHandle+(newPathLen-1))!=':' && path[nextCheckpoint] !=':')) { - Tcl_DStringAppend(&nativeds, ":" , 1); - } - Tcl_DStringAppend(&nativeds, &path[nextCheckpoint], - strlen(&path[nextCheckpoint])); - } - DisposeHandle(newPathHandle); - - fileNameLen=Tcl_DStringLength(&nativeds); - Tcl_SetStringObj(pathPtr,Tcl_DStringValue(&nativeds),fileNameLen); - Tcl_DStringFree(&nativeds); - - return nextCheckpoint+(fileNameLen-origPathLen); -} - |