1998-03-28 05:44:41 +03:00
|
|
|
|
/*
|
|
|
|
|
** Apple Macintosh Developer Technical Support
|
|
|
|
|
**
|
|
|
|
|
** DirectoryCopy: A robust, general purpose directory copy routine.
|
|
|
|
|
**
|
|
|
|
|
** by Jim Luther, Apple Developer Technical Support Emeritus
|
|
|
|
|
**
|
|
|
|
|
** File: DirectoryCopy.c
|
|
|
|
|
**
|
1999-11-17 04:32:53 +03:00
|
|
|
|
** Copyright <EFBFBD> 1992-1998 Apple Computer, Inc.
|
1998-03-28 05:44:41 +03:00
|
|
|
|
** 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.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#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 "DirectoryCopy.h"
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
/* 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. */
|
|
|
|
|
|
2000-06-21 03:10:06 +04:00
|
|
|
|
#if PRAGMA_STRUCT_ALIGN
|
1998-03-28 05:44:41 +03:00
|
|
|
|
#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 */
|
|
|
|
|
};
|
2000-06-21 03:10:06 +04:00
|
|
|
|
#if PRAGMA_STRUCT_ALIGN
|
1998-03-28 05:44:41 +03:00
|
|
|
|
#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. */
|
|
|
|
|
|
2000-06-21 03:10:06 +04:00
|
|
|
|
#if PRAGMA_STRUCT_ALIGN
|
1998-03-28 05:44:41 +03:00
|
|
|
|
#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 */
|
|
|
|
|
|
1999-11-17 04:32:53 +03:00
|
|
|
|
unsigned long dstBlksPerAllocBlk; /* the number of 512 byte blocks per allocation block on destination */
|
|
|
|
|
|
|
|
|
|
unsigned long allocBlksNeeded; /* the total number of allocation blocks needed */
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
1999-11-17 04:32:53 +03:00
|
|
|
|
unsigned long tempBlocks; /* temporary storage for calculations (save some stack space) */
|
1998-03-28 05:44:41 +03:00
|
|
|
|
CopyFilterProcPtr copyFilterProc; /* pointer to filter function */
|
|
|
|
|
};
|
2000-06-21 03:10:06 +04:00
|
|
|
|
#if PRAGMA_STRUCT_ALIGN
|
1998-03-28 05:44:41 +03:00
|
|
|
|
#pragma options align=reset
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
typedef struct PreflightGlobals PreflightGlobals;
|
|
|
|
|
typedef PreflightGlobals *PreflightGlobalsPtr;
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
/* static prototypes */
|
|
|
|
|
|
|
|
|
|
static void GetLevelSize(long currentDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
PreflightGlobals *theGlobals);
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
static OSErr PreflightDirectoryCopySpace(short srcVRefNum,
|
|
|
|
|
long srcDirID,
|
|
|
|
|
short dstVRefNum,
|
|
|
|
|
CopyFilterProcPtr copyFilterProc,
|
|
|
|
|
Boolean *spaceOK);
|
|
|
|
|
|
|
|
|
|
static void CopyLevel(long sourceDirID,
|
|
|
|
|
long dstDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
EnumerateGlobals *theGlobals);
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
static void GetLevelSize(long currentDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
PreflightGlobals *theGlobals)
|
1998-03-28 05:44:41 +03:00
|
|
|
|
{
|
|
|
|
|
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
|
|
|
|
|
{
|
1999-11-17 04:32:53 +03:00
|
|
|
|
/* 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. */
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
/* get number of 512-byte blocks needed for data fork */
|
1999-11-17 04:32:53 +03:00
|
|
|
|
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;
|
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
/* get number of 512-byte blocks needed for resource fork */
|
1999-11-17 04:32:53 +03:00
|
|
|
|
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;
|
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
++index;
|
|
|
|
|
} while ( theGlobals->result == noErr );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
static OSErr PreflightDirectoryCopySpace(short srcVRefNum,
|
|
|
|
|
long srcDirID,
|
|
|
|
|
short dstVRefNum,
|
|
|
|
|
CopyFilterProcPtr copyFilterProc,
|
|
|
|
|
Boolean *spaceOK)
|
|
|
|
|
{
|
1999-11-17 04:32:53 +03:00
|
|
|
|
XVolumeParam pb;
|
1998-03-28 05:44:41 +03:00
|
|
|
|
OSErr error;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
unsigned long dstFreeBlocks;
|
1998-03-28 05:44:41 +03:00
|
|
|
|
PreflightGlobals theGlobals;
|
|
|
|
|
|
1999-11-17 04:32:53 +03:00
|
|
|
|
error = XGetVolumeInfoNoName(NULL, dstVRefNum, &pb);
|
1998-03-28 05:44:41 +03:00
|
|
|
|
if ( error == noErr )
|
|
|
|
|
{
|
1999-11-17 04:32:53 +03:00
|
|
|
|
/* Convert freeBytes to free disk blocks (512-byte blocks) */
|
2000-04-20 02:13:51 +04:00
|
|
|
|
#if (UNIVERSAL_INTERFACES_VERSION >= 0x0330)
|
|
|
|
|
dstFreeBlocks = (pb.ioVFreeBytes >> 9);
|
|
|
|
|
#else
|
1999-11-17 04:32:53 +03:00
|
|
|
|
dstFreeBlocks = (pb.ioVFreeBytes.hi << 23) + (pb.ioVFreeBytes.lo >> 9);
|
2000-04-20 02:13:51 +04:00
|
|
|
|
#endif
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
/* get allocation block size (always multiple of 512) and divide by 512
|
|
|
|
|
to get number of 512-byte blocks per allocation block */
|
1999-11-17 04:32:53 +03:00
|
|
|
|
theGlobals.dstBlksPerAllocBlk = ((unsigned long)pb.ioVAlBlkSiz >> 9);
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
theGlobals.allocBlksNeeded = 0;
|
|
|
|
|
|
|
|
|
|
theGlobals.myCPB.dirInfo.ioNamePtr = theGlobals.itemName;
|
|
|
|
|
theGlobals.myCPB.dirInfo.ioVRefNum = srcVRefNum;
|
|
|
|
|
|
|
|
|
|
theGlobals.copyFilterProc = copyFilterProc;
|
|
|
|
|
|
|
|
|
|
GetLevelSize(srcDirID, &theGlobals);
|
|
|
|
|
|
1999-11-17 04:32:53 +03:00
|
|
|
|
/* 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);
|
1998-03-28 05:44:41 +03:00
|
|
|
|
}
|
1999-11-17 04:32:53 +03:00
|
|
|
|
|
1998-03-28 05:44:41 +03:00
|
|
|
|
return ( error );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
static void CopyLevel(long sourceDirID,
|
|
|
|
|
long dstDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
EnumerateGlobals *theGlobals)
|
1998-03-28 05:44:41 +03:00
|
|
|
|
{
|
|
|
|
|
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,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
ConstStr255Param srcName,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
short dstVRefNum,
|
|
|
|
|
long dstDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
ConstStr255Param dstName,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
void *copyBufferPtr,
|
|
|
|
|
long copyBufferSize,
|
|
|
|
|
Boolean preflight,
|
|
|
|
|
CopyErrProcPtr copyErrHandler,
|
|
|
|
|
CopyFilterProcPtr copyFilterProc)
|
|
|
|
|
{
|
|
|
|
|
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 )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
return ( memFullErr );
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
}
|
|
|
|
|
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 )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
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 )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
if ( !isDirectory )
|
|
|
|
|
{
|
|
|
|
|
error = dirNFErr;
|
|
|
|
|
goto ErrorExit;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Get the real vRefNum of both the source and destination */
|
|
|
|
|
error = DetermineVRefNum(srcName, srcVRefNum, &srcVRefNum);
|
|
|
|
|
if ( error != noErr )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
error = DetermineVRefNum(dstName, dstVRefNum, &dstVRefNum);
|
|
|
|
|
if ( error != noErr )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
if ( preflight )
|
|
|
|
|
{
|
|
|
|
|
error = PreflightDirectoryCopySpace(srcVRefNum, srcDirID, dstVRefNum, copyFilterProc, &spaceOK);
|
|
|
|
|
if ( error != noErr )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
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. */
|
|
|
|
|
error = GetDirName(srcVRefNum, srcDirID, srcDirName);
|
|
|
|
|
if ( error != noErr )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
goto ErrorExit;
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
/* 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) )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
theGlobals.bailout = CallCopyErrProc(copyErrHandler, error, copyDirFMAttributesOp,
|
|
|
|
|
srcVRefNum, srcDirID, NULL,
|
|
|
|
|
dstVRefNum, dstDirID, NULL);
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ErrorExit:
|
|
|
|
|
/* Get rid of the copy buffer if we allocated it. */
|
|
|
|
|
if ( ourCopyBuffer )
|
1999-11-17 04:32:53 +03:00
|
|
|
|
{
|
1998-03-28 05:44:41 +03:00
|
|
|
|
DisposePtr((Ptr)copyBufferPtr);
|
1999-11-17 04:32:53 +03:00
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
|
|
return ( error );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
pascal OSErr DirectoryCopy(short srcVRefNum,
|
|
|
|
|
long srcDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
ConstStr255Param srcName,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
short dstVRefNum,
|
|
|
|
|
long dstDirID,
|
1999-11-17 04:32:53 +03:00
|
|
|
|
ConstStr255Param dstName,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
void *copyBufferPtr,
|
|
|
|
|
long copyBufferSize,
|
|
|
|
|
Boolean preflight,
|
|
|
|
|
CopyErrProcPtr copyErrHandler)
|
|
|
|
|
{
|
|
|
|
|
return ( FilteredDirectoryCopy(srcVRefNum, srcDirID, srcName,
|
|
|
|
|
dstVRefNum, dstDirID, dstName,
|
|
|
|
|
copyBufferPtr, copyBufferSize, preflight,
|
|
|
|
|
copyErrHandler, NULL) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
pascal OSErr FSpFilteredDirectoryCopy(const FSSpec *srcSpec,
|
|
|
|
|
const FSSpec *dstSpec,
|
|
|
|
|
void *copyBufferPtr,
|
|
|
|
|
long copyBufferSize,
|
|
|
|
|
Boolean preflight,
|
|
|
|
|
CopyErrProcPtr copyErrHandler,
|
|
|
|
|
CopyFilterProcPtr copyFilterProc)
|
|
|
|
|
{
|
1999-11-17 04:32:53 +03:00
|
|
|
|
return ( FilteredDirectoryCopy(srcSpec->vRefNum, srcSpec->parID, srcSpec->name,
|
|
|
|
|
dstSpec->vRefNum, dstSpec->parID, dstSpec->name,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
copyBufferPtr, copyBufferSize, preflight,
|
|
|
|
|
copyErrHandler, copyFilterProc) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
|
|
pascal OSErr FSpDirectoryCopy(const FSSpec *srcSpec,
|
|
|
|
|
const FSSpec *dstSpec,
|
|
|
|
|
void *copyBufferPtr,
|
|
|
|
|
long copyBufferSize,
|
|
|
|
|
Boolean preflight,
|
|
|
|
|
CopyErrProcPtr copyErrHandler)
|
|
|
|
|
{
|
1999-11-17 04:32:53 +03:00
|
|
|
|
return ( FilteredDirectoryCopy(srcSpec->vRefNum, srcSpec->parID, srcSpec->name,
|
|
|
|
|
dstSpec->vRefNum, dstSpec->parID, dstSpec->name,
|
1998-03-28 05:44:41 +03:00
|
|
|
|
copyBufferPtr, copyBufferSize, preflight,
|
|
|
|
|
copyErrHandler, NULL) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|