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Diffstat (limited to '')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/io/macDirectoryCopy.c | 784 |
1 files changed, 784 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/io/macDirectoryCopy.c b/src/libs/xpcom18a4/xpcom/io/macDirectoryCopy.c new file mode 100644 index 00000000..838dffa2 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/io/macDirectoryCopy.c @@ -0,0 +1,784 @@ +/* +** Apple Macintosh Developer Technical Support +** +** DirectoryCopy: A robust, general purpose directory copy routine. +** +** by Jim Luther, Apple Developer Technical Support Emeritus +** +** File: DirectoryCopy.c +** +** Copyright © 1992-1998 Apple Computer, Inc. +** All rights reserved. +** +** You may incorporate this sample code into your applications without +** restriction, though the sample code has been provided "AS IS" and the +** responsibility for its operation is 100% yours. However, what you are +** not permitted to do is to redistribute the source as "DSC Sample Code" +** after having made changes. If you're going to re-distribute the source, +** we require that you make it clear in the source that the code was +** descended from Apple Sample Code, but that you've made changes. +*/ + +// Modified to allow renaming the destination folder + +#include <Types.h> +#include <Errors.h> +#include <Memory.h> +#include <Files.h> +#include <Script.h> + +#define __COMPILINGMOREFILES + +#include "MoreFiles.h" +#include "MoreFilesExtras.h" +#include "MoreDesktopMgr.h" +#include "FileCopy.h" +#include "MacDirectoryCopy.h" +#include <string.h> + + +/*****************************************************************************/ + +enum +{ + getNextItemOp = 1, /* couldn't access items in this directory - no access privileges */ + copyDirCommentOp = 2, /* couldn't copy directory's Finder comment */ + copyDirAccessPrivsOp = 3, /* couldn't copy directory's AFP access privileges */ + copyDirFMAttributesOp = 4, /* couldn't copy directory's File Manager attributes */ + dirCreateOp = 5, /* couldn't create destination directory */ + fileCopyOp = 6 /* couldn't copy file */ +}; + +/*****************************************************************************/ + + + +#define CallCopyErrProc(userRoutine, error, failedOperation, srcVRefNum, srcDirID, srcName, dstVRefNum, dstDirID, dstName) \ + (*(userRoutine))((error), (failedOperation), (srcVRefNum), (srcDirID), (srcName), (dstVRefNum), (dstDirID), (dstName)) + +/*****************************************************************************/ + +typedef pascal Boolean (*CopyFilterProcPtr) (const CInfoPBRec * const cpbPtr); + +/* ¦ Prototype for the CopyFilterProc function. + This is the prototype for the CopyFilterProc function called by + FilteredDirectoryCopy and GetLevelSize. If true is returned, + the file/folder is included in the copy, otherwise it is excluded. + + pb input: Points to the CInfoPBRec for the item under consideration. + + __________ + + Also see: FilteredDirectoryCopy, FSpFilteredDirectoryCopy +*/ + +#define CallCopyFilterProc(userRoutine, cpbPtr) (*(userRoutine))((cpbPtr)) + + + +/*****************************************************************************/ + +/* local constants */ + +enum +{ + dirCopyBigCopyBuffSize = 0x00004000, + dirCopyMinCopyBuffSize = 0x00000200 +}; + + +/*****************************************************************************/ + +/* local data structures */ + +/* The EnumerateGlobals structure is used to minimize the amount of +** stack space used when recursively calling CopyLevel and to hold +** global information that might be needed at any time. */ + +#if PRAGMA_STRUCT_ALIGN +#pragma options align=mac68k +#endif +struct EnumerateGlobals +{ + Ptr copyBuffer; /* pointer to buffer used for file copy operations */ + long bufferSize; /* the size of the copy buffer */ + CopyErrProcPtr errorHandler; /* pointer to error handling function */ + CopyFilterProcPtr copyFilterProc; /* pointer to filter function */ + OSErr error; /* temporary holder of results - saves 2 bytes of stack each level */ + Boolean bailout; /* set to true to by error handling function if fatal error */ + short destinationVRefNum; /* the destination vRefNum */ + Str63 itemName; /* the name of the current item */ + CInfoPBRec myCPB; /* the parameter block used for PBGetCatInfo calls */ +}; +#if PRAGMA_STRUCT_ALIGN +#pragma options align=reset +#endif + +typedef struct EnumerateGlobals EnumerateGlobals; +typedef EnumerateGlobals *EnumerateGlobalsPtr; + + +/* The PreflightGlobals structure is used to minimize the amount of +** stack space used when recursively calling GetLevelSize and to hold +** global information that might be needed at any time. */ + +#if PRAGMA_STRUCT_ALIGN +#pragma options align=mac68k +#endif +struct PreflightGlobals +{ + OSErr result; /* temporary holder of results - saves 2 bytes of stack each level */ + Str63 itemName; /* the name of the current item */ + CInfoPBRec myCPB; /* the parameter block used for PBGetCatInfo calls */ + + unsigned long dstBlksPerAllocBlk; /* the number of 512 byte blocks per allocation block on destination */ + + unsigned long allocBlksNeeded; /* the total number of allocation blocks needed */ + + unsigned long tempBlocks; /* temporary storage for calculations (save some stack space) */ + CopyFilterProcPtr copyFilterProc; /* pointer to filter function */ +}; +#if PRAGMA_STRUCT_ALIGN +#pragma options align=reset +#endif + +typedef struct PreflightGlobals PreflightGlobals; +typedef PreflightGlobals *PreflightGlobalsPtr; + +/*****************************************************************************/ + +/* static prototypes */ + +static void GetLevelSize(long currentDirID, + PreflightGlobals *theGlobals); + +static OSErr PreflightDirectoryCopySpace(short srcVRefNum, + long srcDirID, + short dstVRefNum, + CopyFilterProcPtr copyFilterProc, + Boolean *spaceOK); + +static void CopyLevel(long sourceDirID, + long dstDirID, + EnumerateGlobals *theGlobals); + +/*****************************************************************************/ + +static void GetLevelSize(long currentDirID, + PreflightGlobals *theGlobals) +{ + short index = 1; + + do + { + theGlobals->myCPB.dirInfo.ioFDirIndex = index; + theGlobals->myCPB.dirInfo.ioDrDirID = currentDirID; /* we need to do this every time */ + /* through, since GetCatInfo */ + /* returns ioFlNum in this field */ + theGlobals->result = PBGetCatInfoSync(&theGlobals->myCPB); + if ( theGlobals->result == noErr ) + { + if ( (theGlobals->copyFilterProc == NULL) || + CallCopyFilterProc(theGlobals->copyFilterProc, &theGlobals->myCPB) ) /* filter if filter proc was supplied */ + { + /* Either there's no filter proc OR the filter proc says to use this item */ + if ( (theGlobals->myCPB.dirInfo.ioFlAttrib & ioDirMask) != 0 ) + { + /* we have a directory */ + + GetLevelSize(theGlobals->myCPB.dirInfo.ioDrDirID, theGlobals); /* recurse */ + theGlobals->result = noErr; /* clear error return on way back */ + } + else + { + /* We have a file - add its allocation blocks to allocBlksNeeded. */ + /* Since space on Mac OS disks is always allocated in allocation blocks, */ + /* this takes into account rounding up to the end of an allocation block. */ + + /* get number of 512-byte blocks needed for data fork */ + if ( ((unsigned long)theGlobals->myCPB.hFileInfo.ioFlLgLen & 0x000001ff) != 0 ) + { + theGlobals->tempBlocks = ((unsigned long)theGlobals->myCPB.hFileInfo.ioFlLgLen >> 9) + 1; + } + else + { + theGlobals->tempBlocks = (unsigned long)theGlobals->myCPB.hFileInfo.ioFlLgLen >> 9; + } + /* now, calculate number of new allocation blocks needed for the data fork and add it to the total */ + if ( theGlobals->tempBlocks % theGlobals->dstBlksPerAllocBlk ) + { + theGlobals->allocBlksNeeded += (theGlobals->tempBlocks / theGlobals->dstBlksPerAllocBlk) + 1; + } + else + { + theGlobals->allocBlksNeeded += theGlobals->tempBlocks / theGlobals->dstBlksPerAllocBlk; + } + + /* get number of 512-byte blocks needed for resource fork */ + if ( ((unsigned long)theGlobals->myCPB.hFileInfo.ioFlRLgLen & 0x000001ff) != 0 ) + { + theGlobals->tempBlocks = ((unsigned long)theGlobals->myCPB.hFileInfo.ioFlRLgLen >> 9) + 1; + } + else + { + theGlobals->tempBlocks = (unsigned long)theGlobals->myCPB.hFileInfo.ioFlRLgLen >> 9; + } + /* now, calculate number of new allocation blocks needed for the resource fork and add it to the total */ + if ( theGlobals->tempBlocks % theGlobals->dstBlksPerAllocBlk ) + { + theGlobals->allocBlksNeeded += (theGlobals->tempBlocks / theGlobals->dstBlksPerAllocBlk) + 1; + } + else + { + theGlobals->allocBlksNeeded += theGlobals->tempBlocks / theGlobals->dstBlksPerAllocBlk; + } + } + } + } + ++index; + } while ( theGlobals->result == noErr ); +} + +/*****************************************************************************/ + +static OSErr PreflightDirectoryCopySpace(short srcVRefNum, + long srcDirID, + short dstVRefNum, + CopyFilterProcPtr copyFilterProc, + Boolean *spaceOK) +{ + XVolumeParam pb; + OSErr error; + unsigned long dstFreeBlocks; + PreflightGlobals theGlobals; + + error = XGetVolumeInfoNoName(NULL, dstVRefNum, &pb); + if ( error == noErr ) + { + /* Convert freeBytes to free disk blocks (512-byte blocks) */ +#if (UNIVERSAL_INTERFACES_VERSION >= 0x0330) + dstFreeBlocks = (pb.ioVFreeBytes >> 9); +#else + dstFreeBlocks = (pb.ioVFreeBytes.hi << 23) + (pb.ioVFreeBytes.lo >> 9); +#endif + /* get allocation block size (always multiple of 512) and divide by 512 + to get number of 512-byte blocks per allocation block */ + theGlobals.dstBlksPerAllocBlk = ((unsigned long)pb.ioVAlBlkSiz >> 9); + + theGlobals.allocBlksNeeded = 0; + + theGlobals.myCPB.dirInfo.ioNamePtr = theGlobals.itemName; + theGlobals.myCPB.dirInfo.ioVRefNum = srcVRefNum; + + theGlobals.copyFilterProc = copyFilterProc; + + GetLevelSize(srcDirID, &theGlobals); + + /* Is there enough room on the destination volume for the source file? */ + /* Note: This will work because the largest number of disk blocks supported */ + /* on a 2TB volume is 0xffffffff and (allocBlksNeeded * dstBlksPerAllocBlk) */ + /* will always be less than 0xffffffff. */ + *spaceOK = ((theGlobals.allocBlksNeeded * theGlobals.dstBlksPerAllocBlk) <= dstFreeBlocks); + } + + return ( error ); +} + +/*****************************************************************************/ + +static void CopyLevel(long sourceDirID, + long dstDirID, + EnumerateGlobals *theGlobals) +{ + long currentSrcDirID; + long newDirID; + short index = 1; + + do + { + /* Get next source item at the current directory level */ + + theGlobals->myCPB.dirInfo.ioFDirIndex = index; + theGlobals->myCPB.dirInfo.ioDrDirID = sourceDirID; + theGlobals->error = PBGetCatInfoSync(&theGlobals->myCPB); + + if ( theGlobals->error == noErr ) + { + if ( (theGlobals->copyFilterProc == NULL) || + CallCopyFilterProc(theGlobals->copyFilterProc, &theGlobals->myCPB) ) /* filter if filter proc was supplied */ + { + /* Either there's no filter proc OR the filter proc says to use this item */ + + /* We have an item. Is it a file or directory? */ + if ( (theGlobals->myCPB.hFileInfo.ioFlAttrib & ioDirMask) != 0 ) + { + /* We have a directory */ + + /* Create a new directory at the destination. No errors allowed! */ + theGlobals->error = DirCreate(theGlobals->destinationVRefNum, dstDirID, theGlobals->itemName, &newDirID); + if ( theGlobals->error == noErr ) + { + /* Save the current source directory ID where we can get it when we come back + ** from recursion land. */ + currentSrcDirID = theGlobals->myCPB.dirInfo.ioDrDirID; + + /* Dive again (copy the directory level we just found below this one) */ + CopyLevel(theGlobals->myCPB.dirInfo.ioDrDirID, newDirID, theGlobals); + + if ( !theGlobals->bailout ) + { + /* Copy comment from old to new directory. */ + /* Ignore the result because we really don't care if it worked or not. */ + (void) DTCopyComment(theGlobals->myCPB.dirInfo.ioVRefNum, currentSrcDirID, NULL, theGlobals->destinationVRefNum, newDirID, NULL); + + /* Copy directory attributes (dates, etc.) to newDirID. */ + /* No errors allowed */ + theGlobals->error = CopyFileMgrAttributes(theGlobals->myCPB.dirInfo.ioVRefNum, currentSrcDirID, NULL, theGlobals->destinationVRefNum, newDirID, NULL, true); + + /* handle any errors from CopyFileMgrAttributes */ + if ( theGlobals->error != noErr ) + { + if ( theGlobals->errorHandler != NULL ) + { + theGlobals->bailout = CallCopyErrProc(theGlobals->errorHandler, theGlobals->error, copyDirFMAttributesOp, + theGlobals->myCPB.dirInfo.ioVRefNum, currentSrcDirID, NULL, + theGlobals->destinationVRefNum, newDirID, NULL); + } + else + { + /* If you don't handle the errors with an error handler, */ + /* then the copy stops here. */ + theGlobals->bailout = true; + } + } + } + } + else /* error handling for DirCreate */ + { + if ( theGlobals->errorHandler != NULL ) + { + theGlobals->bailout = CallCopyErrProc(theGlobals->errorHandler, theGlobals->error, dirCreateOp, + theGlobals->myCPB.dirInfo.ioVRefNum, currentSrcDirID, NULL, + theGlobals->destinationVRefNum, dstDirID, theGlobals->itemName); + } + else + { + /* If you don't handle the errors with an error handler, */ + /* then the copy stops here. */ + theGlobals->bailout = true; + } + } + + if ( !theGlobals->bailout ) + { + /* clear error return on way back if we aren't bailing out */ + theGlobals->error = noErr; + } + } + else + { + /* We have a file, so copy it */ + + theGlobals->error = FileCopy(theGlobals->myCPB.hFileInfo.ioVRefNum, + theGlobals->myCPB.hFileInfo.ioFlParID, + theGlobals->itemName, + theGlobals->destinationVRefNum, + dstDirID, + NULL, + NULL, + theGlobals->copyBuffer, + theGlobals->bufferSize, + false); + + /* handle any errors from FileCopy */ + if ( theGlobals->error != noErr ) + { + if ( theGlobals->errorHandler != NULL ) + { + theGlobals->bailout = CallCopyErrProc(theGlobals->errorHandler, theGlobals->error, fileCopyOp, + theGlobals->myCPB.hFileInfo.ioVRefNum, theGlobals->myCPB.hFileInfo.ioFlParID, theGlobals->itemName, + theGlobals->destinationVRefNum, dstDirID, NULL); + if ( !theGlobals->bailout ) + { + /* If the CopyErrProc handled the problem, clear the error here */ + theGlobals->error = noErr; + } + } + else + { + /* If you don't handle the errors with an error handler, */ + /* then the copy stops here. */ + theGlobals->bailout = true; + } + } + } + } + } + else + { /* error handling for PBGetCatInfo */ + /* it's normal to get a fnfErr when indexing; that only means you've hit the end of the directory */ + if ( theGlobals->error != fnfErr ) + { + if ( theGlobals->errorHandler != NULL ) + { + theGlobals->bailout = CallCopyErrProc(theGlobals->errorHandler, theGlobals->error, getNextItemOp, + theGlobals->myCPB.dirInfo.ioVRefNum, sourceDirID, NULL, 0, 0, NULL); + if ( !theGlobals->bailout ) + { + /* If the CopyErrProc handled the problem, clear the error here */ + theGlobals->error = noErr; + } + } + else + { + /* If you don't handle the errors with an error handler, */ + /* then the copy stops here. */ + theGlobals->bailout = true; + } + } + } + ++index; /* prepare to get next item */ + } while ( (theGlobals->error == noErr) && (!theGlobals->bailout) ); /* time to fall back a level? */ +} + +/*****************************************************************************/ + +pascal OSErr FilteredDirectoryCopy(short srcVRefNum, + long srcDirID, + ConstStr255Param srcName, + short dstVRefNum, + long dstDirID, + ConstStr255Param dstName, + void *copyBufferPtr, + long copyBufferSize, + Boolean preflight, + CopyErrProcPtr copyErrHandler, + CopyFilterProcPtr copyFilterProc, ConstStr255Param newName ); +/* ¦ Make a copy of a directory structure in a new location with item filtering. + The FilteredDirectoryCopy function makes a copy of a directory + structure in a new location. If copyBufferPtr <> NIL, it points to + a buffer of copyBufferSize that is used to copy files data. The + larger the supplied buffer, the faster the copy. If + copyBufferPtr = NIL, then this routine allocates a buffer in the + application heap. If you pass a copy buffer to this routine, make + its size a multiple of 512 ($200) bytes for optimum performance. + + The optional copyFilterProc parameter lets a routine you define + decide what files or directories are copied to the destination. + + FilteredDirectoryCopy normally creates a new directory *in* the + specified destination directory and copies the source directory's + content into the new directory. However, if root parent directory + (fsRtParID) is passed as the dstDirID parameter and NULL is + passed as the dstName parameter, DirectoryCopy renames the + destination volume to the source directory's name (truncating + if the name is longer than 27 characters) and copies the source + directory's content into the destination volume's root directory. + This special case is supported by FilteredDirectoryCopy, but + not by FSpFilteredDirectoryCopy since with FSpFilteredDirectoryCopy, + the dstName parameter can not be NULL. + + srcVRefNum input: Source volume specification. + srcDirID input: Source directory ID. + srcName input: Source directory name, or nil if + srcDirID specifies the directory. + dstVRefNum input: Destination volume specification. + dstDirID input: Destination directory ID. + dstName input: Destination directory name, or nil if + dstDirID specifies the directory. + copyBufferPtr input: Points to a buffer of copyBufferSize that + is used the i/o buffer for the copy or + nil if you want DirectoryCopy to allocate its + own buffer in the application heap. + copyBufferSize input: The size of the buffer pointed to + by copyBufferPtr. + preflight input: If true, DirectoryCopy makes sure there are + enough allocation blocks on the destination + volume to hold the directory's files before + starting the copy. + copyErrHandler input: A pointer to the routine you want called if an + error condition is detected during the copy, or + nil if you don't want to handle error conditions. + If you don't handle error conditions, the first + error will cause the copy to quit and + DirectoryCopy will return the error. + Error handling is recommended... + copyFilterProc input: A pointer to the filter routine you want called + for each item in the source directory, or NULL + if you don't want to filter. + + Result Codes + noErr 0 No error + readErr Ð19 Driver does not respond to read requests + writErr Ð20 Driver does not respond to write requests + badUnitErr Ð21 Driver reference number does not + match unit table + unitEmptyErr Ð22 Driver reference number specifies a + nil handle in unit table + abortErr Ð27 Request aborted by KillIO + notOpenErr Ð28 Driver not open + dskFulErr -34 Destination volume is full + nsvErr -35 No such volume + ioErr -36 I/O error + bdNamErr -37 Bad filename + tmfoErr -42 Too many files open + fnfErr -43 Source file not found, or destination + directory does not exist + wPrErr -44 Volume locked by hardware + fLckdErr -45 File is locked + vLckdErr -46 Destination volume is read-only + fBsyErr -47 The source or destination file could + not be opened with the correct access + modes + dupFNErr -48 Destination file already exists + opWrErr -49 File already open for writing + paramErr -50 No default volume or function not + supported by volume + permErr -54 File is already open and cannot be opened using specified deny modes + memFullErr -108 Copy buffer could not be allocated + dirNFErr -120 Directory not found or incomplete pathname + wrgVolTypErr -123 Function not supported by volume + afpAccessDenied -5000 User does not have the correct access + afpDenyConflict -5006 The source or destination file could + not be opened with the correct access + modes + afpObjectTypeErr -5025 Source is a directory, directory not found + or incomplete pathname + + __________ + + Also see: CopyErrProcPtr, CopyFilterProcPtr, FSpFilteredDirectoryCopy, + DirectoryCopy, FSpDirectoryCopy, FileCopy, FSpFileCopy +*/ + +/*****************************************************************************/ + +pascal OSErr FilteredDirectoryCopy(short srcVRefNum, + long srcDirID, + ConstStr255Param srcName, + short dstVRefNum, + long dstDirID, + ConstStr255Param dstName, + void *copyBufferPtr, + long copyBufferSize, + Boolean preflight, + CopyErrProcPtr copyErrHandler, + CopyFilterProcPtr copyFilterProc, ConstStr255Param newName) +{ + EnumerateGlobals theGlobals; + Boolean isDirectory; + OSErr error; + Boolean ourCopyBuffer = false; + Str63 srcDirName, oldDiskName; + Boolean spaceOK; + + /* Make sure a copy buffer is allocated. */ + if ( copyBufferPtr == NULL ) + { + /* The caller didn't supply a copy buffer so grab one from the application heap. + ** Try to get a big copy buffer, if we can't, try for a 512-byte buffer. + ** If 512 bytes aren't available, we're in trouble. */ + copyBufferSize = dirCopyBigCopyBuffSize; + copyBufferPtr = NewPtr(copyBufferSize); + if ( copyBufferPtr == NULL ) + { + copyBufferSize = dirCopyMinCopyBuffSize; + copyBufferPtr = NewPtr(copyBufferSize); + if ( copyBufferPtr == NULL ) + { + return ( memFullErr ); + } + } + ourCopyBuffer = true; + } + + /* Get the real dirID where we're copying from and make sure it is a directory. */ + error = GetDirectoryID(srcVRefNum, srcDirID, srcName, &srcDirID, &isDirectory); + if ( error != noErr ) + { + goto ErrorExit; + } + if ( !isDirectory ) + { + error = dirNFErr; + goto ErrorExit; + } + + /* Special case destination if it is the root parent directory. */ + /* Since you can't create the root directory, this is needed if */ + /* you want to copy a directory's content to a disk's root directory. */ + if ( (dstDirID == fsRtParID) && (dstName == NULL) ) + { + dstDirID = fsRtParID; + isDirectory = true; + error = noErr; + } + else + { + /* Get the real dirID where we're going to put the copy and make sure it is a directory. */ + error = GetDirectoryID(dstVRefNum, dstDirID, dstName, &dstDirID, &isDirectory); + if ( error != noErr ) + { + goto ErrorExit; + } + if ( !isDirectory ) + { + error = dirNFErr; + goto ErrorExit; + } + } + + /* Get the real vRefNum of both the source and destination */ + error = DetermineVRefNum(srcName, srcVRefNum, &srcVRefNum); + if ( error != noErr ) + { + goto ErrorExit; + } + error = DetermineVRefNum(dstName, dstVRefNum, &dstVRefNum); + if ( error != noErr ) + { + goto ErrorExit; + } + + if ( preflight ) + { + error = PreflightDirectoryCopySpace(srcVRefNum, srcDirID, dstVRefNum, copyFilterProc, &spaceOK); + if ( error != noErr ) + { + goto ErrorExit; + } + if ( !spaceOK ) + { + error = dskFulErr; /* not enough room on destination */ + goto ErrorExit; + } + } + + /* Create the new directory in the destination directory with the */ + /* same name as the source directory. */ + /* + if newName is not empty use it rather than the original dir name. + */ + if ( newName[0] == 0 ) + { + error = GetDirName(srcVRefNum, srcDirID, srcDirName); + if ( error != noErr ) + { + goto ErrorExit; + } + } + else + { + memcpy(srcDirName, newName, 32 ); + + } + /* Again, special case destination if the destination is the */ + /* root parent directory. This time, we'll rename the disk to */ + /* the source directory name. */ + if ( dstDirID == fsRtParID ) + { + /* Get the current name of the destination disk */ + error = GetDirName(dstVRefNum, fsRtDirID, oldDiskName); + if ( error == noErr ) + { + /* Shorten the name if it's too long to be the volume name */ + TruncPString(srcDirName, srcDirName, 27); + + /* Rename the disk */ + error = HRename(dstVRefNum, fsRtParID, oldDiskName, srcDirName); + /* and copy to the root directory */ + dstDirID = fsRtDirID; + } + } + else + { + error = DirCreate(dstVRefNum, dstDirID, srcDirName, &dstDirID); + } + if ( error != noErr ) + { + /* handle any errors from DirCreate */ + if ( copyErrHandler != NULL ) + { + if ( CallCopyErrProc(copyErrHandler, error, dirCreateOp, + srcVRefNum, srcDirID, NULL, + dstVRefNum, dstDirID, srcDirName) ) + { + goto ErrorExit; + } + else + { + /* If the CopyErrProc handled the problem, clear the error here */ + /* and continue */ + error = noErr; + } + } + else + { + /* If you don't handle the errors with an error handler, */ + /* then the copy stops here. */ + goto ErrorExit; + } + } + + /* dstDirID is now the newly created directory! */ + + /* Set up the globals we need to access from the recursive routine. */ + theGlobals.copyBuffer = (Ptr)copyBufferPtr; + theGlobals.bufferSize = copyBufferSize; + theGlobals.destinationVRefNum = dstVRefNum; /* so we can get to it always */ + theGlobals.myCPB.hFileInfo.ioNamePtr = (StringPtr)&theGlobals.itemName; + theGlobals.myCPB.hFileInfo.ioVRefNum = srcVRefNum; + theGlobals.errorHandler = copyErrHandler; + theGlobals.bailout = false; + theGlobals.copyFilterProc = copyFilterProc; + + /* Here we go into recursion land... */ + CopyLevel(srcDirID, dstDirID, &theGlobals); + error = theGlobals.error; /* get the result */ + + if ( !theGlobals.bailout ) + { + /* Copy comment from source to destination directory. */ + /* Ignore the result because we really don't care if it worked or not. */ + (void) DTCopyComment(srcVRefNum, srcDirID, NULL, dstVRefNum, dstDirID, NULL); + + /* Copy the File Manager attributes */ + error = CopyFileMgrAttributes(srcVRefNum, srcDirID, NULL, + dstVRefNum, dstDirID, NULL, true); + + /* handle any errors from CopyFileMgrAttributes */ + if ( (error != noErr) && (copyErrHandler != NULL) ) + { + theGlobals.bailout = CallCopyErrProc(copyErrHandler, error, copyDirFMAttributesOp, + srcVRefNum, srcDirID, NULL, + dstVRefNum, dstDirID, NULL); + } + } + +ErrorExit: + /* Get rid of the copy buffer if we allocated it. */ + if ( ourCopyBuffer ) + { + DisposePtr((Ptr)copyBufferPtr); + } + + return ( error ); +} + + +/*****************************************************************************/ + + +pascal OSErr MacFSpDirectoryCopyRename(const FSSpec *srcSpec, + const FSSpec *dstSpec, + ConstStr255Param newName, + void *copyBufferPtr, + long copyBufferSize, + Boolean preflight, + CopyErrProcPtr copyErrHandler) +{ + return ( FilteredDirectoryCopy(srcSpec->vRefNum, srcSpec->parID, srcSpec->name, + dstSpec->vRefNum, dstSpec->parID, dstSpec->name, + copyBufferPtr, copyBufferSize, preflight, + copyErrHandler, NULL, newName) ); +} |