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2783 lines
76 KiB
C
2783 lines
76 KiB
C
/*
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File: MoreFilesX.c
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Contains: A collection of useful high-level File Manager routines
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which use the HFS Plus APIs wherever possible.
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Version: MoreFilesX 1.0
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Copyright: © 1992-2002 by Apple Computer, Inc., all rights reserved.
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You may incorporate this sample code into your applications without
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restriction, though the sample code has been provided "AS IS" and the
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responsibility for its operation is 100% yours. However, what you are
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not permitted to do is to redistribute the source as "DSC Sample Code"
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after having made changes. If you're going to re-distribute the source,
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we require that you make it clear in the source that the code was
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descended from Apple Sample Code, but that you've made changes.
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File Ownership:
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DRI: Apple Macintosh Developer Technical Support
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Other Contact: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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Technology: DTS Sample Code
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Writers:
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(JL) Jim Luther
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Change History (most recent first):
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<1> 1/25/02 JL MoreFilesX 1.0
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*/
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#if 0
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#include <Carbon/Carbon.h>
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#else
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#include <MacTypes.h>
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#include <OSUtils.h>
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#include <TextCommon.h>
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#include <UTCUtils.h>
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#include <Finder.h>
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#include <Files.h>
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#include <MacErrors.h>
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#include <MacMemory.h>
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#include <Folders.h>
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#include <HFSVolumes.h>
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#include <Gestalt.h>
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#include <NumberFormatting.h>
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#include <Script.h>
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#include <UnicodeConverter.h>
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#include <Debugging.h>
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#include <string.h>
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#endif
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#include "MoreFilesX.h"
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/* Set BuildingMoreFilesXForMacOS9 to 1 if building for Mac OS 9 */
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#ifndef BuildingMoreFilesXForMacOS9
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#define BuildingMoreFilesXForMacOS9 0
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#endif
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/*****************************************************************************/
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#pragma mark ----- Local type definitions -----
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struct FSIterateContainerGlobals
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{
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IterateContainerFilterProcPtr iterateFilter; /* pointer to IterateFilterProc */
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FSCatalogInfoBitmap whichInfo; /* fields of the CatalogInfo to get */
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FSCatalogInfo catalogInfo; /* FSCatalogInfo */
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FSRef ref; /* FSRef */
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FSSpec spec; /* FSSpec */
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FSSpec *specPtr; /* pointer to spec field, or NULL */
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HFSUniStr255 name; /* HFSUniStr255 */
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HFSUniStr255 *namePtr; /* pointer to name field, or NULL */
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void *yourDataPtr; /* a pointer to caller supplied data the filter may need to access */
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ItemCount maxLevels; /* maximum levels to iterate through */
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ItemCount currentLevel; /* the current level FSIterateContainerLevel is on */
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Boolean quitFlag; /* set to true if filter wants to kill interation */
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Boolean containerChanged; /* temporary - set to true if the current container changed during iteration */
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OSErr result; /* result */
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ItemCount actualObjects; /* number of objects returned */
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};
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typedef struct FSIterateContainerGlobals FSIterateContainerGlobals;
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struct FSDeleteContainerGlobals
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{
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OSErr result; /* result */
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ItemCount actualObjects; /* number of objects returned */
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FSCatalogInfo catalogInfo; /* FSCatalogInfo */
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};
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typedef struct FSDeleteContainerGlobals FSDeleteContainerGlobals;
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/*****************************************************************************/
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#pragma mark ----- Local prototypes -----
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static
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void
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DeleteLevel(
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const FSRef *container,
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FSDeleteContainerGlobals *theGlobals);
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static
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void
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FSIterateContainerLevel(
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FSIterateContainerGlobals *theGlobals);
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static
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OSErr
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GenerateUniqueHFSUniStr(
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long *startSeed,
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const FSRef *dir1,
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const FSRef *dir2,
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HFSUniStr255 *uniqueName);
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/*****************************************************************************/
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#pragma mark ----- File Access Routines -----
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/*****************************************************************************/
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OSErr
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FSCopyFork(
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SInt16 srcRefNum,
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SInt16 dstRefNum,
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void *copyBufferPtr,
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ByteCount copyBufferSize)
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{
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OSErr srcResult;
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OSErr dstResult;
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OSErr result;
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SInt64 forkSize;
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ByteCount readActualCount;
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/* check input parameters */
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require_action((NULL != copyBufferPtr) && (0 != copyBufferSize), BadParameter, result = paramErr);
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/* get source fork size */
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result = FSGetForkSize(srcRefNum, &forkSize);
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require_noerr(result, SourceFSGetForkSizeFailed);
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/* allocate disk space for destination fork */
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result = FSSetForkSize(dstRefNum, fsFromStart, forkSize);
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require_noerr(result, DestinationFSSetForkSizeFailed);
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/* reset source fork's position to 0 */
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result = FSSetForkPosition(srcRefNum, fsFromStart, 0);
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require_noerr(result, SourceFSSetForkPositionFailed);
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/* reset destination fork's position to 0 */
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result = FSSetForkPosition(dstRefNum, fsFromStart, 0);
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require_noerr(result, DestinationFSSetForkPositionFailed);
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/* If copyBufferSize is greater than 4K bytes, make it a multiple of 4k bytes */
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/* This will make writes on local volumes faster */
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if ( (copyBufferSize >= 0x00001000) && ((copyBufferSize & 0x00000fff) != 0) )
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{
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copyBufferSize &= ~(0x00001000 - 1);
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}
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/* copy source to destination */
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srcResult = dstResult = noErr;
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while ( (noErr == srcResult) && (noErr == dstResult) )
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{
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srcResult = FSReadFork(srcRefNum, fsAtMark + noCacheMask, 0, copyBufferSize, copyBufferPtr, &readActualCount);
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dstResult = FSWriteFork(dstRefNum, fsAtMark + noCacheMask, 0, readActualCount, copyBufferPtr, NULL);
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}
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/* make sure there were no errors at the destination */
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require_noerr_action(dstResult, DestinationFSWriteForkFailed, result = dstResult);
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/* make sure the error at the source was eofErr */
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require_action(eofErr == srcResult, SourceResultNotEofErr, result = srcResult);
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/* everything went as expected */
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result = noErr;
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SourceResultNotEofErr:
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DestinationFSWriteForkFailed:
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DestinationFSSetForkPositionFailed:
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SourceFSSetForkPositionFailed:
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DestinationFSAllocateForkFailed:
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DestinationFSSetForkSizeFailed:
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SourceFSGetForkSizeFailed:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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#pragma mark ----- Volume Access Routines -----
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/*****************************************************************************/
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OSErr
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FSGetVolParms(
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FSVolumeRefNum volRefNum,
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UInt32 bufferSize,
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GetVolParmsInfoBuffer *volParmsInfo,
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UInt32 *actualInfoSize)
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{
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OSErr result;
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HParamBlockRec pb;
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/* check parameters */
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require_action((NULL != volParmsInfo) && (NULL != actualInfoSize),
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BadParameter, result = paramErr);
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pb.ioParam.ioNamePtr = NULL;
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pb.ioParam.ioVRefNum = volRefNum;
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pb.ioParam.ioBuffer = (Ptr)volParmsInfo;
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pb.ioParam.ioReqCount = (SInt32)bufferSize;
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result = PBHGetVolParmsSync(&pb);
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require_noerr(result, PBHGetVolParmsSync);
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/* return number of bytes the file system returned in volParmsInfo buffer */
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*actualInfoSize = (UInt32)pb.ioParam.ioActCount;
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PBHGetVolParmsSync:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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FSGetVRefNum(
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const FSRef *ref,
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FSVolumeRefNum *vRefNum)
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{
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OSErr result;
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FSCatalogInfo catalogInfo;
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/* check parameters */
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require_action(NULL != vRefNum, BadParameter, result = paramErr);
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/* get the volume refNum from the FSRef */
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result = FSGetCatalogInfo(ref, kFSCatInfoVolume, &catalogInfo, NULL, NULL, NULL);
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require_noerr(result, FSGetCatalogInfo);
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/* return volume refNum from catalogInfo */
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*vRefNum = catalogInfo.volume;
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FSGetCatalogInfo:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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FSGetVInfo(
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FSVolumeRefNum volume,
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HFSUniStr255 *volumeName, /* can be NULL */
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UInt64 *freeBytes, /* can be NULL */
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UInt64 *totalBytes) /* can be NULL */
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{
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OSErr result;
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FSVolumeInfo info;
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/* ask for the volume's sizes only if needed */
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result = FSGetVolumeInfo(volume, 0, NULL,
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(((NULL != freeBytes) || (NULL != totalBytes)) ? kFSVolInfoSizes : kFSVolInfoNone),
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&info, volumeName, NULL);
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require_noerr(result, FSGetVolumeInfo);
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if ( NULL != freeBytes )
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{
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*freeBytes = info.freeBytes;
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}
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if ( NULL != totalBytes )
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{
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*totalBytes = info.totalBytes;
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}
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FSGetVolumeInfo:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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FSGetVolFileSystemID(
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FSVolumeRefNum volume,
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UInt16 *fileSystemID, /* can be NULL */
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UInt16 *signature) /* can be NULL */
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{
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OSErr result;
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FSVolumeInfo info;
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result = FSGetVolumeInfo(volume, 0, NULL, kFSVolInfoFSInfo, &info, NULL, NULL);
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require_noerr(result, FSGetVolumeInfo);
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if ( NULL != fileSystemID )
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{
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*fileSystemID = info.filesystemID;
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}
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if ( NULL != signature )
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{
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*signature = info.signature;
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}
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FSGetVolumeInfo:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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FSGetMountedVolumes(
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FSRef ***volumeRefsHandle, /* pointer to handle of FSRefs */
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ItemCount *numVolumes)
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{
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OSErr result;
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OSErr memResult;
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ItemCount volumeIndex;
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FSRef ref;
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/* check parameters */
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require_action((NULL != volumeRefsHandle) && (NULL != numVolumes),
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BadParameter, result = paramErr);
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/* No volumes yet */
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*numVolumes = 0;
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/* Allocate a handle for the results */
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*volumeRefsHandle = (FSRef **)NewHandle(0);
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require_action(NULL != *volumeRefsHandle, NewHandle, result = memFullErr);
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/* Call FSGetVolumeInfo in loop to get all volumes starting with the first */
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volumeIndex = 1;
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do
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{
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result = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoNone, NULL, NULL, &ref);
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if ( noErr == result )
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{
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/* concatenate the FSRef to the end of the handle */
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PtrAndHand(&ref, (Handle)*volumeRefsHandle, sizeof(FSRef));
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memResult = MemError();
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require_noerr_action(memResult, MemoryAllocationFailed, result = memResult);
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++(*numVolumes); /* increment the volume count */
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++volumeIndex; /* and the volumeIndex to get the next volume*/
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}
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} while ( noErr == result );
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/* nsvErr is OK -- it just means there are no more volumes */
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require(nsvErr == result, FSGetVolumeInfo);
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return ( noErr );
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/**********************/
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MemoryAllocationFailed:
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FSGetVolumeInfo:
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/* dispose of handle if already allocated and clear the outputs */
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if ( NULL != *volumeRefsHandle )
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{
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DisposeHandle((Handle)*volumeRefsHandle);
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*volumeRefsHandle = NULL;
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}
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*numVolumes = 0;
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NewHandle:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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#pragma mark ----- FSRef/FSpec/Path/Name Conversion Routines -----
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/*****************************************************************************/
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OSErr
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FSRefMakeFSSpec(
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const FSRef *ref,
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FSSpec *spec)
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{
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OSErr result;
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/* check parameters */
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require_action(NULL != spec, BadParameter, result = paramErr);
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result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, spec, NULL);
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require_noerr(result, FSGetCatalogInfo);
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FSGetCatalogInfo:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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FSMakeFSRef(
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FSVolumeRefNum volRefNum,
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SInt32 dirID,
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ConstStr255Param name,
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FSRef *ref)
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{
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OSErr result;
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FSRefParam pb;
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/* check parameters */
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require_action(NULL != ref, BadParameter, result = paramErr);
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pb.ioVRefNum = volRefNum;
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pb.ioDirID = dirID;
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pb.ioNamePtr = (StringPtr)name;
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pb.newRef = ref;
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result = PBMakeFSRefSync(&pb);
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require_noerr(result, PBMakeFSRefSync);
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PBMakeFSRefSync:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSStatus
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FSMakePath(
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SInt16 volRefNum,
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SInt32 dirID,
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ConstStr255Param name,
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UInt8 *path,
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UInt32 maxPathSize)
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{
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OSStatus result;
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FSRef ref;
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/* check parameters */
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require_action(NULL != path, BadParameter, result = paramErr);
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/* convert the inputs to an FSRef */
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result = FSMakeFSRef(volRefNum, dirID, name, &ref);
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require_noerr(result, FSMakeFSRef);
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/* and then convert the FSRef to a path */
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result = FSRefMakePath(&ref, path, maxPathSize);
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require_noerr(result, FSRefMakePath);
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FSRefMakePath:
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FSMakeFSRef:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSStatus
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FSPathMakeFSSpec(
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const UInt8 *path,
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FSSpec *spec,
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Boolean *isDirectory) /* can be NULL */
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{
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OSStatus result;
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FSRef ref;
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/* check parameters */
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require_action(NULL != spec, BadParameter, result = paramErr);
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/* convert the POSIX path to an FSRef */
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result = FSPathMakeRef(path, &ref, isDirectory);
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require_noerr(result, FSPathMakeRef);
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/* and then convert the FSRef to an FSSpec */
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result = FSGetCatalogInfo(&ref, kFSCatInfoNone, NULL, NULL, spec, NULL);
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require_noerr(result, FSGetCatalogInfo);
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FSGetCatalogInfo:
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FSPathMakeRef:
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BadParameter:
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return ( result );
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}
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/*****************************************************************************/
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OSErr
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UnicodeNameGetHFSName(
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UniCharCount nameLength,
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const UniChar *name,
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TextEncoding textEncodingHint,
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Boolean isVolumeName,
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Str31 hfsName)
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{
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OSStatus result;
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ByteCount unicodeByteLength;
|
|
ByteCount unicodeBytesConverted;
|
|
ByteCount actualPascalBytes;
|
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UnicodeMapping uMapping;
|
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UnicodeToTextInfo utInfo;
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/* check parameters */
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require_action(NULL != hfsName, BadParameter, result = paramErr);
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/* make sure output is valid in case we get errors or there's nothing to convert */
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StrLength(hfsName) = 0;
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unicodeByteLength = nameLength * sizeof(UniChar);
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if ( 0 == unicodeByteLength )
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{
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/* do nothing */
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result = noErr;
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}
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else
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{
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/* if textEncodingHint is kTextEncodingUnknown, get a "default" textEncodingHint */
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if ( kTextEncodingUnknown == textEncodingHint )
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{
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ScriptCode script;
|
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RegionCode region;
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script = (ScriptCode)GetScriptManagerVariable(smSysScript);
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region = (RegionCode)GetScriptManagerVariable(smRegionCode);
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result = UpgradeScriptInfoToTextEncoding(script, kTextLanguageDontCare, region,
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NULL, &textEncodingHint );
|
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if ( paramErr == result )
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{
|
|
/* ok, ignore the region and try again */
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result = UpgradeScriptInfoToTextEncoding(script, kTextLanguageDontCare,
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kTextRegionDontCare, NULL, &textEncodingHint );
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}
|
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if ( noErr != result )
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{
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/* ok... try something */
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textEncodingHint = kTextEncodingMacRoman;
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}
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}
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uMapping.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeV2_0,
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kUnicodeCanonicalDecompVariant, kUnicode16BitFormat);
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uMapping.otherEncoding = GetTextEncodingBase(textEncodingHint);
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uMapping.mappingVersion = kUnicodeUseHFSPlusMapping;
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result = CreateUnicodeToTextInfo(&uMapping, &utInfo);
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require_noerr(result, CreateUnicodeToTextInfo);
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result = ConvertFromUnicodeToText(utInfo, unicodeByteLength, name, kUnicodeLooseMappingsMask,
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0, NULL, 0, NULL, /* offsetCounts & offsetArrays */
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isVolumeName ? kHFSMaxVolumeNameChars : kHFSMaxFileNameChars,
|
|
&unicodeBytesConverted, &actualPascalBytes, &hfsName[1]);
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require_noerr(result, ConvertFromUnicodeToText);
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StrLength(hfsName) = (unsigned char)actualPascalBytes; /* fill in length byte */
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|
|
ConvertFromUnicodeToText:
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|
|
/* verify the result in debug builds -- there's really not anything you can do if it fails */
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|
verify_noerr(DisposeUnicodeToTextInfo(&utInfo));
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|
}
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|
CreateUnicodeToTextInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
HFSNameGetUnicodeName(
|
|
ConstStr31Param hfsName,
|
|
TextEncoding textEncodingHint,
|
|
HFSUniStr255 *unicodeName)
|
|
{
|
|
ByteCount unicodeByteLength;
|
|
OSStatus result;
|
|
UnicodeMapping uMapping;
|
|
TextToUnicodeInfo tuInfo;
|
|
ByteCount pascalCharsRead;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != unicodeName, BadParameter, result = paramErr);
|
|
|
|
/* make sure output is valid in case we get errors or there's nothing to convert */
|
|
unicodeName->length = 0;
|
|
|
|
if ( 0 == StrLength(hfsName) )
|
|
{
|
|
result = noErr;
|
|
}
|
|
else
|
|
{
|
|
/* if textEncodingHint is kTextEncodingUnknown, get a "default" textEncodingHint */
|
|
if ( kTextEncodingUnknown == textEncodingHint )
|
|
{
|
|
ScriptCode script;
|
|
RegionCode region;
|
|
|
|
script = GetScriptManagerVariable(smSysScript);
|
|
region = GetScriptManagerVariable(smRegionCode);
|
|
result = UpgradeScriptInfoToTextEncoding(script, kTextLanguageDontCare, region,
|
|
NULL, &textEncodingHint);
|
|
if ( paramErr == result )
|
|
{
|
|
/* ok, ignore the region and try again */
|
|
result = UpgradeScriptInfoToTextEncoding(script, kTextLanguageDontCare,
|
|
kTextRegionDontCare, NULL, &textEncodingHint);
|
|
}
|
|
if ( noErr != result )
|
|
{
|
|
/* ok... try something */
|
|
textEncodingHint = kTextEncodingMacRoman;
|
|
}
|
|
}
|
|
|
|
uMapping.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeV2_0,
|
|
kUnicodeCanonicalDecompVariant, kUnicode16BitFormat);
|
|
uMapping.otherEncoding = GetTextEncodingBase(textEncodingHint);
|
|
uMapping.mappingVersion = kUnicodeUseHFSPlusMapping;
|
|
|
|
result = CreateTextToUnicodeInfo(&uMapping, &tuInfo);
|
|
require_noerr(result, CreateTextToUnicodeInfo);
|
|
|
|
result = ConvertFromTextToUnicode(tuInfo, hfsName[0], &hfsName[1],
|
|
0, /* no control flag bits */
|
|
0, NULL, 0, NULL, /* offsetCounts & offsetArrays */
|
|
sizeof(unicodeName->unicode), /* output buffer size in bytes */
|
|
&pascalCharsRead, &unicodeByteLength, unicodeName->unicode);
|
|
require_noerr(result, ConvertFromTextToUnicode);
|
|
|
|
/* convert from byte count to char count */
|
|
unicodeName->length = unicodeByteLength / sizeof(UniChar);
|
|
|
|
ConvertFromTextToUnicode:
|
|
|
|
/* verify the result in debug builds -- there's really not anything you can do if it fails */
|
|
verify_noerr(DisposeTextToUnicodeInfo(&tuInfo));
|
|
}
|
|
|
|
CreateTextToUnicodeInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
#pragma mark ----- File/Directory Manipulation Routines -----
|
|
|
|
/*****************************************************************************/
|
|
|
|
Boolean FSRefValid(const FSRef *ref)
|
|
{
|
|
return ( noErr == FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, NULL, NULL) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetParentRef(
|
|
const FSRef *ref,
|
|
FSRef *parentRef)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != parentRef, BadParameter, result = paramErr);
|
|
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNodeID, &catalogInfo, NULL, NULL, parentRef);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/*
|
|
* Note: FSRefs always point to real file system objects. So, there cannot
|
|
* be a FSRef to the parent of volume root directories. Early versions of
|
|
* Mac OS X do not handle this case correctly and incorrectly return a
|
|
* FSRef for the parent of volume root directories instead of returning an
|
|
* invalid FSRef (a cleared FSRef is invalid). The next three lines of code
|
|
* ensure that you won't run into this bug. WW9D!
|
|
*/
|
|
if ( fsRtDirID == catalogInfo.nodeID )
|
|
{
|
|
/* clear parentRef and return noErr which is the proper behavior */
|
|
memset(parentRef, 0, sizeof(FSRef));
|
|
}
|
|
|
|
FSGetCatalogInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetFileDirName(
|
|
const FSRef *ref,
|
|
HFSUniStr255 *outName)
|
|
{
|
|
OSErr result;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != outName, BadParameter, result = paramErr);
|
|
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, outName, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
FSGetCatalogInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetNodeID(
|
|
const FSRef *ref,
|
|
long *nodeID, /* can be NULL */
|
|
Boolean *isDirectory) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSCatalogInfoBitmap whichInfo;
|
|
|
|
/* determine what catalog information to get */
|
|
whichInfo = kFSCatInfoNone; /* start with none */
|
|
if ( NULL != nodeID )
|
|
{
|
|
whichInfo |= kFSCatInfoNodeID;
|
|
}
|
|
if ( NULL != isDirectory )
|
|
{
|
|
whichInfo |= kFSCatInfoNodeFlags;
|
|
}
|
|
|
|
result = FSGetCatalogInfo(ref, whichInfo, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
if ( NULL != nodeID )
|
|
{
|
|
*nodeID = catalogInfo.nodeID;
|
|
}
|
|
if ( NULL != isDirectory )
|
|
{
|
|
*isDirectory = (0 != (kFSNodeIsDirectoryMask & catalogInfo.nodeFlags));
|
|
}
|
|
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetUserPrivilegesPermissions(
|
|
const FSRef *ref,
|
|
UInt8 *userPrivileges, /* can be NULL */
|
|
UInt32 permissions[4]) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSCatalogInfoBitmap whichInfo;
|
|
|
|
/* determine what catalog information to get */
|
|
whichInfo = kFSCatInfoNone; /* start with none */
|
|
if ( NULL != userPrivileges )
|
|
{
|
|
whichInfo |= kFSCatInfoUserPrivs;
|
|
}
|
|
if ( NULL != permissions )
|
|
{
|
|
whichInfo |= kFSCatInfoPermissions;
|
|
}
|
|
|
|
result = FSGetCatalogInfo(ref, whichInfo, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
if ( NULL != userPrivileges )
|
|
{
|
|
*userPrivileges = catalogInfo.userPrivileges;
|
|
}
|
|
if ( NULL != permissions )
|
|
{
|
|
BlockMoveData(&catalogInfo.permissions, permissions, sizeof(UInt32) * 4);
|
|
}
|
|
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSCheckLock(
|
|
const FSRef *ref)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSVolumeInfo volumeInfo;
|
|
|
|
/* get nodeFlags and vRefNum for container */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNodeFlags + kFSCatInfoVolume, &catalogInfo, NULL, NULL,NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* is file locked? */
|
|
if ( 0 != (catalogInfo.nodeFlags & kFSNodeLockedMask) )
|
|
{
|
|
result = fLckdErr; /* file is locked */
|
|
}
|
|
else
|
|
{
|
|
/* file isn't locked, but is volume locked? */
|
|
|
|
/* get volume flags */
|
|
result = FSGetVolumeInfo(catalogInfo.volume, 0, NULL, kFSVolInfoFlags, &volumeInfo, NULL, NULL);
|
|
require_noerr(result, FSGetVolumeInfo);
|
|
|
|
if ( 0 != (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
|
|
{
|
|
result = wPrErr; /* volume locked by hardware */
|
|
}
|
|
else if ( 0 != (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) )
|
|
{
|
|
result = vLckdErr; /* volume locked by software */
|
|
}
|
|
}
|
|
|
|
FSGetVolumeInfo:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetForkSizes(
|
|
const FSRef *ref,
|
|
UInt64 *dataLogicalSize, /* can be NULL */
|
|
UInt64 *rsrcLogicalSize) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfoBitmap whichInfo;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
whichInfo = kFSCatInfoNodeFlags;
|
|
if ( NULL != dataLogicalSize )
|
|
{
|
|
/* get data fork size */
|
|
whichInfo |= kFSCatInfoDataSizes;
|
|
}
|
|
if ( NULL != rsrcLogicalSize )
|
|
{
|
|
/* get resource fork size */
|
|
whichInfo |= kFSCatInfoRsrcSizes;
|
|
}
|
|
|
|
/* get nodeFlags and catalog info */
|
|
result = FSGetCatalogInfo(ref, whichInfo, &catalogInfo, NULL, NULL,NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* make sure FSRef was to a file */
|
|
require_action(0 == (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask), FSRefNotFile, result = notAFileErr);
|
|
|
|
if ( NULL != dataLogicalSize )
|
|
{
|
|
/* return data fork size */
|
|
*dataLogicalSize = catalogInfo.dataLogicalSize;
|
|
}
|
|
if ( NULL != rsrcLogicalSize )
|
|
{
|
|
/* return resource fork size */
|
|
*rsrcLogicalSize = catalogInfo.rsrcLogicalSize;
|
|
}
|
|
|
|
FSRefNotFile:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetTotalForkSizes(
|
|
const FSRef *ref,
|
|
UInt64 *totalLogicalSize, /* can be NULL */
|
|
UInt64 *totalPhysicalSize, /* can be NULL */
|
|
ItemCount *forkCount) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
CatPositionRec forkIterator;
|
|
SInt64 forkSize;
|
|
SInt64 *forkSizePtr;
|
|
UInt64 forkPhysicalSize;
|
|
UInt64 *forkPhysicalSizePtr;
|
|
|
|
/* Determine if forkSize needed */
|
|
if ( NULL != totalLogicalSize)
|
|
{
|
|
*totalLogicalSize = 0;
|
|
forkSizePtr = &forkSize;
|
|
}
|
|
else
|
|
{
|
|
forkSizePtr = NULL;
|
|
}
|
|
|
|
/* Determine if forkPhysicalSize is needed */
|
|
if ( NULL != totalPhysicalSize )
|
|
{
|
|
*totalPhysicalSize = 0;
|
|
forkPhysicalSizePtr = &forkPhysicalSize;
|
|
}
|
|
else
|
|
{
|
|
forkPhysicalSizePtr = NULL;
|
|
}
|
|
|
|
/* zero fork count if returning it */
|
|
if ( NULL != forkCount )
|
|
{
|
|
*forkCount = 0;
|
|
}
|
|
|
|
/* Iterate through the forks to get the sizes */
|
|
forkIterator.initialize = 0;
|
|
do
|
|
{
|
|
result = FSIterateForks(ref, &forkIterator, NULL, forkSizePtr, forkPhysicalSizePtr);
|
|
if ( noErr == result )
|
|
{
|
|
if ( NULL != totalLogicalSize )
|
|
{
|
|
*totalLogicalSize += forkSize;
|
|
}
|
|
|
|
if ( NULL != totalPhysicalSize )
|
|
{
|
|
*totalPhysicalSize += forkPhysicalSize;
|
|
}
|
|
|
|
if ( NULL != forkCount )
|
|
{
|
|
++*forkCount;
|
|
}
|
|
}
|
|
} while ( noErr == result );
|
|
|
|
/* any error result other than errFSNoMoreItems is serious */
|
|
require(errFSNoMoreItems == result, FSIterateForks);
|
|
|
|
/* Normal exit */
|
|
result = noErr;
|
|
|
|
FSIterateForks:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSBumpDate(
|
|
const FSRef *ref)
|
|
{
|
|
OSStatus result;
|
|
FSCatalogInfo catalogInfo;
|
|
UTCDateTime oldDateTime;
|
|
#if !BuildingMoreFilesXForMacOS9
|
|
FSRef parentRef;
|
|
Boolean notifyParent;
|
|
#endif
|
|
|
|
#if !BuildingMoreFilesXForMacOS9
|
|
/* Get the node flags, the content modification date and time, and the parent ref */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNodeFlags + kFSCatInfoContentMod, &catalogInfo, NULL, NULL, &parentRef);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* Notify the parent if this is a file */
|
|
notifyParent = (0 == (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask));
|
|
#else
|
|
/* Get the content modification date and time */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoContentMod, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
#endif
|
|
|
|
oldDateTime = catalogInfo.contentModDate;
|
|
|
|
/* Get the current date and time */
|
|
result = GetUTCDateTime(&catalogInfo.contentModDate, kUTCDefaultOptions);
|
|
require_noerr(result, GetUTCDateTime);
|
|
|
|
/* if the old date and time is the the same as the current, bump the seconds by one */
|
|
if ( (catalogInfo.contentModDate.fraction == oldDateTime.fraction) &&
|
|
(catalogInfo.contentModDate.lowSeconds == oldDateTime.lowSeconds) &&
|
|
(catalogInfo.contentModDate.highSeconds == oldDateTime.highSeconds) )
|
|
{
|
|
++catalogInfo.contentModDate.lowSeconds;
|
|
if ( 0 == catalogInfo.contentModDate.lowSeconds )
|
|
{
|
|
++catalogInfo.contentModDate.highSeconds;
|
|
}
|
|
}
|
|
|
|
/* Bump the content modification date and time */
|
|
result = FSSetCatalogInfo(ref, kFSCatInfoContentMod, &catalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo);
|
|
|
|
#if !BuildingMoreFilesXForMacOS9
|
|
/*
|
|
* The problem with FNNotify is that it is not available under Mac OS 9
|
|
* and there's no way to test for that except for looking for the symbol
|
|
* or something. So, I'll just conditionalize this for those who care
|
|
* to send a notification.
|
|
*/
|
|
|
|
/* Send a notification for the parent of the file, or for the directory */
|
|
result = FNNotify(notifyParent ? &parentRef : ref, kFNDirectoryModifiedMessage, kNilOptions);
|
|
require_noerr(result, FNNotify);
|
|
#endif
|
|
|
|
/* ignore errors from FSSetCatalogInfo (volume might be write protected) and FNNotify */
|
|
FNNotify:
|
|
FSSetCatalogInfo:
|
|
|
|
return ( noErr );
|
|
|
|
/**********************/
|
|
|
|
GetUTCDateTime:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetFinderInfo(
|
|
const FSRef *ref,
|
|
FinderInfo *info, /* can be NULL */
|
|
ExtendedFinderInfo *extendedInfo, /* can be NULL */
|
|
Boolean *isDirectory) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSCatalogInfoBitmap whichInfo;
|
|
|
|
/* determine what catalog information is really needed */
|
|
whichInfo = kFSCatInfoNone;
|
|
|
|
if ( NULL != info )
|
|
{
|
|
/* get FinderInfo */
|
|
whichInfo |= kFSCatInfoFinderInfo;
|
|
}
|
|
|
|
if ( NULL != extendedInfo )
|
|
{
|
|
/* get ExtendedFinderInfo */
|
|
whichInfo |= kFSCatInfoFinderXInfo;
|
|
}
|
|
|
|
if ( NULL != isDirectory )
|
|
{
|
|
whichInfo |= kFSCatInfoNodeFlags;
|
|
}
|
|
|
|
result = FSGetCatalogInfo(ref, whichInfo, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* return FinderInfo if requested */
|
|
if ( NULL != info )
|
|
{
|
|
BlockMoveData(catalogInfo.finderInfo, info, sizeof(FinderInfo));
|
|
}
|
|
|
|
/* return ExtendedFinderInfo if requested */
|
|
if ( NULL != extendedInfo)
|
|
{
|
|
BlockMoveData(catalogInfo.extFinderInfo, extendedInfo, sizeof(ExtendedFinderInfo));
|
|
}
|
|
|
|
/* set isDirectory Boolean if requested */
|
|
if ( NULL != isDirectory)
|
|
{
|
|
*isDirectory = (0 != (kFSNodeIsDirectoryMask & catalogInfo.nodeFlags));
|
|
}
|
|
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetFinderInfo(
|
|
const FSRef *ref,
|
|
const FinderInfo *info,
|
|
const ExtendedFinderInfo *extendedInfo)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSCatalogInfoBitmap whichInfo;
|
|
|
|
/* determine what catalog information will be set */
|
|
whichInfo = kFSCatInfoNone; /* start with none */
|
|
if ( NULL != info )
|
|
{
|
|
/* set FinderInfo */
|
|
whichInfo |= kFSCatInfoFinderInfo;
|
|
BlockMoveData(info, catalogInfo.finderInfo, sizeof(FinderInfo));
|
|
}
|
|
if ( NULL != extendedInfo )
|
|
{
|
|
/* set ExtendedFinderInfo */
|
|
whichInfo |= kFSCatInfoFinderXInfo;
|
|
BlockMoveData(extendedInfo, catalogInfo.extFinderInfo, sizeof(ExtendedFinderInfo));
|
|
}
|
|
|
|
result = FSSetCatalogInfo(ref, whichInfo, &catalogInfo);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSChangeCreatorType(
|
|
const FSRef *ref,
|
|
OSType fileCreator,
|
|
OSType fileType)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSRef parentRef;
|
|
|
|
/* get nodeFlags, finder info, and parent FSRef */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNodeFlags + kFSCatInfoFinderInfo, &catalogInfo , NULL, NULL, &parentRef);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* make sure FSRef was to a file */
|
|
require_action(0 == (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask), FSRefNotFile, result = notAFileErr);
|
|
|
|
/* If fileType not 0x00000000, change fileType */
|
|
if ( fileType != (OSType)0x00000000 )
|
|
{
|
|
((FileInfo *)&catalogInfo.finderInfo)->fileType = fileType;
|
|
}
|
|
|
|
/* If creator not 0x00000000, change creator */
|
|
if ( fileCreator != (OSType)0x00000000 )
|
|
{
|
|
((FileInfo *)&catalogInfo.finderInfo)->fileCreator = fileCreator;
|
|
}
|
|
|
|
/* now, save the new information back to disk */
|
|
result = FSSetCatalogInfo(ref, kFSCatInfoFinderInfo, &catalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo);
|
|
|
|
/* and attempt to bump the parent directory's mod date to wake up */
|
|
/* the Finder to the change we just made (ignore errors from this) */
|
|
verify_noerr(FSBumpDate(&parentRef));
|
|
|
|
FSSetCatalogInfo:
|
|
FSRefNotFile:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSChangeFinderFlags(
|
|
const FSRef *ref,
|
|
Boolean setBits,
|
|
UInt16 flagBits)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
FSRef parentRef;
|
|
|
|
/* get the current finderInfo */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoFinderInfo, &catalogInfo, NULL, NULL, &parentRef);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* set or clear the appropriate bits in the finderInfo.finderFlags */
|
|
if ( setBits )
|
|
{
|
|
/* OR in the bits */
|
|
((FileInfo *)&catalogInfo.finderInfo)->finderFlags |= flagBits;
|
|
}
|
|
else
|
|
{
|
|
/* AND out the bits */
|
|
((FileInfo *)&catalogInfo.finderInfo)->finderFlags &= ~flagBits;
|
|
}
|
|
|
|
/* save the modified finderInfo */
|
|
result = FSSetCatalogInfo(ref, kFSCatInfoFinderInfo, &catalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo);
|
|
|
|
/* and attempt to bump the parent directory's mod date to wake up the Finder */
|
|
/* to the change we just made (ignore errors from this) */
|
|
verify_noerr(FSBumpDate(&parentRef));
|
|
|
|
FSSetCatalogInfo:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetInvisible(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, true, kIsInvisible) );
|
|
}
|
|
|
|
OSErr
|
|
FSClearInvisible(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, false, kIsInvisible) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetNameLocked(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, true, kNameLocked) );
|
|
}
|
|
|
|
OSErr
|
|
FSClearNameLocked(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, false, kNameLocked) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetIsStationery(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, true, kIsStationery) );
|
|
}
|
|
|
|
OSErr
|
|
FSClearIsStationery(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, false, kIsStationery) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetHasCustomIcon(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, true, kHasCustomIcon) );
|
|
}
|
|
|
|
OSErr
|
|
FSClearHasCustomIcon(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, false, kHasCustomIcon) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSClearHasBeenInited(
|
|
const FSRef *ref)
|
|
{
|
|
return ( FSChangeFinderFlags(ref, false, kHasBeenInited) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSCopyFileMgrAttributes(
|
|
const FSRef *sourceRef,
|
|
const FSRef *destinationRef,
|
|
Boolean copyLockBit)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
/* get the source information */
|
|
result = FSGetCatalogInfo(sourceRef, kFSCatInfoSettableInfo, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* don't copy the hasBeenInited bit; clear it */
|
|
((FileInfo *)&catalogInfo.finderInfo)->finderFlags &= ~kHasBeenInited;
|
|
|
|
/* should the locked bit be copied? */
|
|
if ( !copyLockBit )
|
|
{
|
|
/* no, make sure the locked bit is clear */
|
|
catalogInfo.nodeFlags &= ~kFSNodeLockedMask;
|
|
}
|
|
|
|
/* set the destination information */
|
|
result = FSSetCatalogInfo(destinationRef, kFSCatInfoSettableInfo, &catalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo);
|
|
|
|
FSSetCatalogInfo:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSMoveRenameObjectUnicode(
|
|
const FSRef *ref,
|
|
const FSRef *destDirectory,
|
|
UniCharCount nameLength,
|
|
const UniChar *name, /* can be NULL (no rename during move) */
|
|
TextEncoding textEncodingHint,
|
|
FSRef *newRef) /* if function fails along the way, newRef is final location of file */
|
|
{
|
|
OSErr result;
|
|
FSVolumeRefNum vRefNum;
|
|
FSCatalogInfo catalogInfo;
|
|
FSRef originalDirectory;
|
|
TextEncoding originalTextEncodingHint;
|
|
HFSUniStr255 originalName;
|
|
long tempItemsDirID;
|
|
Str31 uniqueTempDirName;
|
|
long uniqueTempDirID;
|
|
FSRef uniqueTempDirRef;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != newRef, BadParameter, result = paramErr);
|
|
|
|
/* newRef = input to start with */
|
|
BlockMoveData(ref, newRef, sizeof(FSRef));
|
|
|
|
/* get destDirectory's vRefNum */
|
|
result = FSGetCatalogInfo(destDirectory, kFSCatInfoVolume, &catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, DestinationBad);
|
|
|
|
/* save vRefNum */
|
|
vRefNum = catalogInfo.volume;
|
|
|
|
/* get ref's vRefNum, TextEncoding, name and parent directory*/
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoTextEncoding + kFSCatInfoVolume, &catalogInfo, &originalName, NULL, &originalDirectory);
|
|
require_noerr(result, SourceBad);
|
|
|
|
/* save TextEncoding */
|
|
originalTextEncodingHint = catalogInfo.textEncodingHint;
|
|
|
|
/* make sure ref and destDirectory are on same volume */
|
|
require_action(vRefNum == catalogInfo.volume, NotSameVolume, result = diffVolErr);
|
|
|
|
/* Skip a lot of steps if we're not renaming */
|
|
if ( NULL != name )
|
|
{
|
|
/* find the Temporary Items Folder on sourcevRefNum */
|
|
result = FindFolder(vRefNum, kTemporaryFolderType, kCreateFolder, &vRefNum, &tempItemsDirID);
|
|
require_noerr(result, NoTemporaryFolder);
|
|
|
|
/* Create a new uniquely named folder in the temporary items folder. */
|
|
/* This is done to avoid the case where 'realName' or 'copyName' already */
|
|
/* exists in the temporary items folder. */
|
|
|
|
/* Start with 'A' plus the current tick count as uniqueTempDirName */
|
|
NumToString(TickCount(), &uniqueTempDirName[1]);
|
|
uniqueTempDirName[0] = uniqueTempDirName[1] + 1;
|
|
uniqueTempDirName[1] = 'A';
|
|
do
|
|
{
|
|
result = DirCreate(vRefNum, tempItemsDirID, uniqueTempDirName, &uniqueTempDirID);
|
|
if ( dupFNErr == result )
|
|
{
|
|
/* Duplicate name - change the first character to the next ASCII character */
|
|
++uniqueTempDirName[1];
|
|
}
|
|
} while ( (dupFNErr == result) && (uniqueTempDirName[1] < 'Z') ); /* 26 new weirdly named directories per 1/60th second - not likely! */
|
|
require_noerr(result, CouldNotCreateUniqueTempDir);
|
|
|
|
/* get FSRef to UniqueTempDir */
|
|
result = FSMakeFSRef(vRefNum, uniqueTempDirID, NULL, &uniqueTempDirRef);
|
|
require_noerr(result, FSMakeFSRef);
|
|
|
|
/* Move the object to the folder with uniqueTempDirRef for renaming */
|
|
result = FSMoveObject(ref, &uniqueTempDirRef, newRef);
|
|
require_noerr(result, FSMoveObjectBeforeRenameFailed);
|
|
|
|
/* Rename the object */
|
|
result = FSRenameUnicode(newRef, nameLength, name, textEncodingHint, newRef);
|
|
require_noerr(result, FSRenameUnicode);
|
|
|
|
/* Move object to its new home */
|
|
result = FSMoveObject(newRef, destDirectory, newRef);
|
|
require_noerr(result, FSMoveObjectAfterRenameFailed);
|
|
|
|
/* Done with ourTempDir, so delete it - ignore errors */
|
|
verify_noerr(HDelete(vRefNum, uniqueTempDirID, NULL));
|
|
}
|
|
else
|
|
{
|
|
/* Move object to its new home */
|
|
result = FSMoveObject(newRef, destDirectory, newRef);
|
|
require_noerr(result, FSMoveObjectNoRenameFailed);
|
|
}
|
|
|
|
return ( result );
|
|
|
|
/*************/
|
|
|
|
/*
|
|
* failure handling code when renaming
|
|
*/
|
|
FSMoveObjectAfterRenameFailed:
|
|
|
|
/* Error handling: rename object back to original name - ignore errors */
|
|
verify_noerr(FSRenameUnicode(newRef, originalName.length, originalName.unicode, originalTextEncodingHint, newRef));
|
|
|
|
FSRenameUnicode:
|
|
|
|
/* Error handling: move object back to original location - ignore errors */
|
|
verify_noerr(FSMoveObject(newRef, &originalDirectory, newRef));
|
|
|
|
FSMoveObjectBeforeRenameFailed:
|
|
FSMakeFSRef:
|
|
|
|
/* Done with ourTempDir, so delete it - ignore errors */
|
|
verify_noerr(HDelete(vRefNum, uniqueTempDirID, NULL));
|
|
|
|
CouldNotCreateUniqueTempDir:
|
|
NoTemporaryFolder:
|
|
|
|
/*
|
|
* failure handling code for renaming or not
|
|
*/
|
|
FSMoveObjectNoRenameFailed:
|
|
NotSameVolume:
|
|
SourceBad:
|
|
DestinationBad:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
The FSDeleteContainerLevel function deletes the contents of a container
|
|
directory. All files and subdirectories in the specified container are
|
|
deleted. If a locked file or directory is encountered, it is unlocked
|
|
and then deleted. If any unexpected errors are encountered,
|
|
FSDeleteContainerLevel quits and returns to the caller.
|
|
|
|
container --> FSRef to a directory.
|
|
theGlobals --> A pointer to a FSDeleteContainerGlobals struct
|
|
which contains the variables that do not need to
|
|
be allocated each time FSDeleteContainerLevel
|
|
recurses. That lets FSDeleteContainerLevel use
|
|
less stack space per recursion level.
|
|
*/
|
|
|
|
static
|
|
void
|
|
FSDeleteContainerLevel(
|
|
const FSRef *container,
|
|
FSDeleteContainerGlobals *theGlobals)
|
|
{
|
|
/* level locals */
|
|
FSIterator iterator;
|
|
FSRef itemToDelete;
|
|
UInt16 nodeFlags;
|
|
|
|
/* Open FSIterator for flat access and give delete optimization hint */
|
|
theGlobals->result = FSOpenIterator(container, kFSIterateFlat + kFSIterateDelete, &iterator);
|
|
require_noerr(theGlobals->result, FSOpenIterator);
|
|
|
|
/* delete the contents of the directory */
|
|
do
|
|
{
|
|
/* get 1 item to delete */
|
|
theGlobals->result = FSGetCatalogInfoBulk(iterator, 1, &theGlobals->actualObjects,
|
|
NULL, kFSCatInfoNodeFlags, &theGlobals->catalogInfo,
|
|
&itemToDelete, NULL, NULL);
|
|
if ( (noErr == theGlobals->result) && (1 == theGlobals->actualObjects) )
|
|
{
|
|
/* save node flags in local in case we have to recurse */
|
|
nodeFlags = theGlobals->catalogInfo.nodeFlags;
|
|
|
|
/* is it a file or directory? */
|
|
if ( 0 != (nodeFlags & kFSNodeIsDirectoryMask) )
|
|
{
|
|
/* it's a directory -- delete its contents before attempting to delete it */
|
|
FSDeleteContainerLevel(&itemToDelete, theGlobals);
|
|
}
|
|
/* are we still OK to delete? */
|
|
if ( noErr == theGlobals->result )
|
|
{
|
|
/* is item locked? */
|
|
if ( 0 != (nodeFlags & kFSNodeLockedMask) )
|
|
{
|
|
/* then attempt to unlock it (ignore result since FSDeleteObject will set it correctly) */
|
|
theGlobals->catalogInfo.nodeFlags = nodeFlags & ~kFSNodeLockedMask;
|
|
(void) FSSetCatalogInfo(&itemToDelete, kFSCatInfoNodeFlags, &theGlobals->catalogInfo);
|
|
}
|
|
/* delete the item */
|
|
theGlobals->result = FSDeleteObject(&itemToDelete);
|
|
}
|
|
}
|
|
} while ( noErr == theGlobals->result );
|
|
|
|
/* we found the end of the items normally, so return noErr */
|
|
if ( errFSNoMoreItems == theGlobals->result )
|
|
{
|
|
theGlobals->result = noErr;
|
|
}
|
|
|
|
/* close the FSIterator (closing an open iterator should never fail) */
|
|
verify_noerr(FSCloseIterator(iterator));
|
|
|
|
FSOpenIterator:
|
|
|
|
return;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSDeleteContainerContents(
|
|
const FSRef *container)
|
|
{
|
|
FSDeleteContainerGlobals theGlobals;
|
|
|
|
/* delete container's contents */
|
|
FSDeleteContainerLevel(container, &theGlobals);
|
|
|
|
return ( theGlobals.result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSDeleteContainer(
|
|
const FSRef *container)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
/* get nodeFlags for container */
|
|
result = FSGetCatalogInfo(container, kFSCatInfoNodeFlags, &catalogInfo, NULL, NULL,NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* make sure container is a directory */
|
|
require_action(0 != (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask), ContainerNotDirectory, result = dirNFErr);
|
|
|
|
/* delete container's contents */
|
|
result = FSDeleteContainerContents(container);
|
|
require_noerr(result, FSDeleteContainerContents);
|
|
|
|
/* is container locked? */
|
|
if ( 0 != (catalogInfo.nodeFlags & kFSNodeLockedMask) )
|
|
{
|
|
/* then attempt to unlock container (ignore result since FSDeleteObject will set it correctly) */
|
|
catalogInfo.nodeFlags &= ~kFSNodeLockedMask;
|
|
(void) FSSetCatalogInfo(container, kFSCatInfoNodeFlags, &catalogInfo);
|
|
}
|
|
|
|
/* delete the container */
|
|
result = FSDeleteObject(container);
|
|
|
|
FSDeleteContainerContents:
|
|
ContainerNotDirectory:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
The FSIterateContainerLevel function iterates the contents of a container
|
|
directory and calls a IterateContainerFilterProc function once for each
|
|
file and directory found.
|
|
|
|
theGlobals --> A pointer to a FSIterateContainerGlobals struct
|
|
which contains the variables needed globally by
|
|
all recusion levels of FSIterateContainerLevel.
|
|
That makes FSIterateContainer thread safe since
|
|
each call to it uses its own global world.
|
|
It also contains the variables that do not need
|
|
to be allocated each time FSIterateContainerLevel
|
|
recurses. That lets FSIterateContainerLevel use
|
|
less stack space per recursion level.
|
|
*/
|
|
|
|
static
|
|
void
|
|
FSIterateContainerLevel(
|
|
FSIterateContainerGlobals *theGlobals)
|
|
{
|
|
FSIterator iterator;
|
|
|
|
/* If maxLevels is zero, we aren't checking levels */
|
|
/* If currentLevel < maxLevels, look at this level */
|
|
if ( (theGlobals->maxLevels == 0) ||
|
|
(theGlobals->currentLevel < theGlobals->maxLevels) )
|
|
{
|
|
/* Open FSIterator for flat access to theGlobals->ref */
|
|
theGlobals->result = FSOpenIterator(&theGlobals->ref, kFSIterateFlat, &iterator);
|
|
require_noerr(theGlobals->result, FSOpenIterator);
|
|
|
|
++theGlobals->currentLevel; /* Go to next level */
|
|
|
|
/* Call FSGetCatalogInfoBulk in loop to get all items in the container */
|
|
do
|
|
{
|
|
theGlobals->result = FSGetCatalogInfoBulk(iterator, 1, &theGlobals->actualObjects,
|
|
&theGlobals->containerChanged, theGlobals->whichInfo, &theGlobals->catalogInfo,
|
|
&theGlobals->ref, theGlobals->specPtr, theGlobals->namePtr);
|
|
if ( (noErr == theGlobals->result || errFSNoMoreItems == theGlobals->result) &&
|
|
(0 != theGlobals->actualObjects) )
|
|
{
|
|
/* Call the IterateFilterProc */
|
|
theGlobals->quitFlag = CallIterateContainerFilterProc(theGlobals->iterateFilter,
|
|
theGlobals->containerChanged, theGlobals->currentLevel,
|
|
&theGlobals->catalogInfo, &theGlobals->ref,
|
|
theGlobals->specPtr, theGlobals->namePtr, theGlobals->yourDataPtr);
|
|
/* Is it a directory? */
|
|
if ( 0 != (theGlobals->catalogInfo.nodeFlags & kFSNodeIsDirectoryMask) )
|
|
{
|
|
/* Keep going? */
|
|
if ( !theGlobals->quitFlag )
|
|
{
|
|
/* Dive again if the IterateFilterProc didn't say "quit" */
|
|
FSIterateContainerLevel(theGlobals);
|
|
}
|
|
}
|
|
}
|
|
/* time to fall back a level? */
|
|
} while ( (noErr == theGlobals->result) && (!theGlobals->quitFlag) );
|
|
|
|
/* errFSNoMoreItems is OK - it only means we hit the end of this level */
|
|
/* afpAccessDenied is OK, too - it only means we cannot see inside a directory */
|
|
if ( (errFSNoMoreItems == theGlobals->result) ||
|
|
(afpAccessDenied == theGlobals->result) )
|
|
{
|
|
theGlobals->result = noErr;
|
|
}
|
|
|
|
--theGlobals->currentLevel; /* Return to previous level as we leave */
|
|
|
|
/* Close the FSIterator (closing an open iterator should never fail) */
|
|
verify_noerr(FSCloseIterator(iterator));
|
|
}
|
|
|
|
FSOpenIterator:
|
|
|
|
return;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSIterateContainer(
|
|
const FSRef *container,
|
|
ItemCount maxLevels,
|
|
FSCatalogInfoBitmap whichInfo,
|
|
Boolean wantFSSpec,
|
|
Boolean wantName,
|
|
IterateContainerFilterProcPtr iterateFilter,
|
|
void *yourDataPtr)
|
|
{
|
|
OSErr result;
|
|
FSIterateContainerGlobals theGlobals;
|
|
|
|
/* make sure there is an iterateFilter */
|
|
require_action(iterateFilter != NULL, NoIterateFilter, result = paramErr);
|
|
|
|
/*
|
|
* set up the globals we need to access from the recursive routine
|
|
*/
|
|
theGlobals.iterateFilter = iterateFilter;
|
|
/* we need the node flags no matter what was requested so we can detect files vs. directories */
|
|
theGlobals.whichInfo = whichInfo | kFSCatInfoNodeFlags;
|
|
/* start with input container -- the first OpenIterator will ensure it is a directory */
|
|
theGlobals.ref = *container;
|
|
if ( wantFSSpec )
|
|
{
|
|
theGlobals.specPtr = &theGlobals.spec;
|
|
}
|
|
else
|
|
{
|
|
theGlobals.specPtr = NULL;
|
|
}
|
|
if ( wantName )
|
|
{
|
|
theGlobals.namePtr = &theGlobals.name;
|
|
}
|
|
else
|
|
{
|
|
theGlobals.namePtr = NULL;
|
|
}
|
|
theGlobals.yourDataPtr = yourDataPtr;
|
|
theGlobals.maxLevels = maxLevels;
|
|
theGlobals.currentLevel = 0;
|
|
theGlobals.quitFlag = false;
|
|
theGlobals.containerChanged = false;
|
|
theGlobals.result = noErr;
|
|
theGlobals.actualObjects = 0;
|
|
|
|
/* here we go into recursion land... */
|
|
FSIterateContainerLevel(&theGlobals);
|
|
result = theGlobals.result;
|
|
require_noerr(result, FSIterateContainerLevel);
|
|
|
|
FSIterateContainerLevel:
|
|
NoIterateFilter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetDirectoryItems(
|
|
const FSRef *container,
|
|
FSRef ***refsHandle, /* pointer to handle of FSRefs */
|
|
ItemCount *numRefs,
|
|
Boolean *containerChanged)
|
|
{
|
|
/* Grab items 10 at a time. */
|
|
enum { kMaxItemsPerBulkCall = 10 };
|
|
|
|
OSErr result;
|
|
OSErr memResult;
|
|
FSIterator iterator;
|
|
FSRef refs[kMaxItemsPerBulkCall];
|
|
ItemCount actualObjects;
|
|
Boolean changed;
|
|
|
|
/* check parameters */
|
|
require_action((NULL != refsHandle) && (NULL != numRefs) && (NULL != containerChanged),
|
|
BadParameter, result = paramErr);
|
|
|
|
*numRefs = 0;
|
|
*containerChanged = false;
|
|
*refsHandle = (FSRef **)NewHandle(0);
|
|
require_action(NULL != *refsHandle, NewHandle, result = memFullErr);
|
|
|
|
/* open an FSIterator */
|
|
result = FSOpenIterator(container, kFSIterateFlat, &iterator);
|
|
require_noerr(result, FSOpenIterator);
|
|
|
|
/* Call FSGetCatalogInfoBulk in loop to get all items in the container */
|
|
do
|
|
{
|
|
result = FSGetCatalogInfoBulk(iterator, kMaxItemsPerBulkCall, &actualObjects,
|
|
&changed, kFSCatInfoNone, NULL, refs, NULL, NULL);
|
|
|
|
/* if the container changed, set containerChanged for output, but keep going */
|
|
if ( changed )
|
|
{
|
|
*containerChanged = changed;
|
|
}
|
|
|
|
/* any result other than noErr and errFSNoMoreItems is serious */
|
|
require((noErr == result) || (errFSNoMoreItems == result), FSGetCatalogInfoBulk);
|
|
|
|
/* add objects to output array and count */
|
|
if ( 0 != actualObjects )
|
|
{
|
|
/* concatenate the FSRefs to the end of the handle */
|
|
PtrAndHand(refs, (Handle)*refsHandle, actualObjects * sizeof(FSRef));
|
|
memResult = MemError();
|
|
require_noerr_action(memResult, MemoryAllocationFailed, result = memResult);
|
|
|
|
*numRefs += actualObjects;
|
|
}
|
|
} while ( noErr == result );
|
|
|
|
verify_noerr(FSCloseIterator(iterator)); /* closing an open iterator should never fail, but... */
|
|
|
|
return ( noErr );
|
|
|
|
/**********************/
|
|
|
|
MemoryAllocationFailed:
|
|
FSGetCatalogInfoBulk:
|
|
|
|
/* close the iterator */
|
|
verify_noerr(FSCloseIterator(iterator));
|
|
|
|
FSOpenIterator:
|
|
/* dispose of handle if already allocated and clear the outputs */
|
|
if ( NULL != *refsHandle )
|
|
{
|
|
DisposeHandle((Handle)*refsHandle);
|
|
*refsHandle = NULL;
|
|
}
|
|
*numRefs = 0;
|
|
|
|
NewHandle:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
The GenerateUniqueName function generates a HFSUniStr255 name that is
|
|
unique in both dir1 and dir2.
|
|
|
|
startSeed --> A pointer to a long which is used to generate the
|
|
unique name.
|
|
<-- It is modified on output to a value which should
|
|
be used to generate the next unique name.
|
|
dir1 --> The first directory.
|
|
dir2 --> The second directory.
|
|
uniqueName <-- A pointer to a HFSUniStr255 where the unique name
|
|
is to be returned.
|
|
*/
|
|
|
|
static
|
|
OSErr
|
|
GenerateUniqueHFSUniStr(
|
|
long *startSeed,
|
|
const FSRef *dir1,
|
|
const FSRef *dir2,
|
|
HFSUniStr255 *uniqueName)
|
|
{
|
|
OSErr result;
|
|
long i;
|
|
FSRefParam pb;
|
|
FSRef newRef;
|
|
unsigned char hexStr[16] = "0123456789ABCDEF";
|
|
|
|
/* set up the parameter block */
|
|
pb.name = uniqueName->unicode;
|
|
pb.nameLength = 8; /* always 8 characters */
|
|
pb.textEncodingHint = kTextEncodingUnknown;
|
|
pb.newRef = &newRef;
|
|
|
|
/* loop until we get fnfErr with a filename in both directories */
|
|
result = noErr;
|
|
while ( fnfErr != result )
|
|
{
|
|
/* convert startSeed to 8 character Unicode string */
|
|
uniqueName->length = 8;
|
|
for ( i = 0; i < 8; ++i )
|
|
{
|
|
uniqueName->unicode[i] = hexStr[((*startSeed >> ((7-i)*4)) & 0xf)];
|
|
}
|
|
|
|
/* try in dir1 */
|
|
pb.ref = dir1;
|
|
result = PBMakeFSRefUnicodeSync(&pb);
|
|
if ( fnfErr == result )
|
|
{
|
|
/* try in dir2 */
|
|
pb.ref = dir2;
|
|
result = PBMakeFSRefUnicodeSync(&pb);
|
|
if ( fnfErr != result )
|
|
{
|
|
/* exit if anything other than noErr or fnfErr */
|
|
require_noerr(result, Dir2PBMakeFSRefUnicodeSyncFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* exit if anything other than noErr or fnfErr */
|
|
require_noerr(result, Dir1PBMakeFSRefUnicodeSyncFailed);
|
|
}
|
|
|
|
/* increment seed for next pass through loop, */
|
|
/* or for next call to GenerateUniqueHFSUniStr */
|
|
++(*startSeed);
|
|
}
|
|
|
|
/* we have a unique file name which doesn't exist in dir1 or dir2 */
|
|
result = noErr;
|
|
|
|
Dir2PBMakeFSRefUnicodeSyncFailed:
|
|
Dir1PBMakeFSRefUnicodeSyncFailed:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSExchangeObjectsCompat(
|
|
const FSRef *sourceRef,
|
|
const FSRef *destRef,
|
|
FSRef *newSourceRef,
|
|
FSRef *newDestRef)
|
|
{
|
|
enum
|
|
{
|
|
/* get all settable info except for mod dates, plus the volume refNum and parent directory ID */
|
|
kGetCatInformationMask = (kFSCatInfoSettableInfo |
|
|
kFSCatInfoVolume |
|
|
kFSCatInfoParentDirID) &
|
|
~(kFSCatInfoContentMod | kFSCatInfoAttrMod),
|
|
/* set everything possible except for mod dates */
|
|
kSetCatinformationMask = kFSCatInfoSettableInfo &
|
|
~(kFSCatInfoContentMod | kFSCatInfoAttrMod)
|
|
};
|
|
|
|
OSErr result;
|
|
GetVolParmsInfoBuffer volParmsInfo;
|
|
UInt32 infoSize;
|
|
FSCatalogInfo sourceCatalogInfo; /* source file's catalog information */
|
|
FSCatalogInfo destCatalogInfo; /* destination file's catalog information */
|
|
HFSUniStr255 sourceName; /* source file's Unicode name */
|
|
HFSUniStr255 destName; /* destination file's Unicode name */
|
|
FSRef sourceCurrentRef; /* FSRef to current location of source file throughout this function */
|
|
FSRef destCurrentRef; /* FSRef to current location of destination file throughout this function */
|
|
FSRef sourceParentRef; /* FSRef to parent directory of source file */
|
|
FSRef destParentRef; /* FSRef to parent directory of destination file */
|
|
HFSUniStr255 sourceUniqueName; /* unique name given to source file while exchanging it with destination */
|
|
HFSUniStr255 destUniqueName; /* unique name given to destination file while exchanging it with source */
|
|
long theSeed; /* the seed for generating unique names */
|
|
Boolean sameParentDirs; /* true if source and destinatin parent directory is the same */
|
|
|
|
/* check parameters */
|
|
require_action((NULL != newSourceRef) && (NULL != newDestRef), BadParameter, result = paramErr);
|
|
|
|
/* output refs and current refs = input refs to start with */
|
|
BlockMoveData(sourceRef, newSourceRef, sizeof(FSRef));
|
|
BlockMoveData(sourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
|
|
BlockMoveData(destRef, newDestRef, sizeof(FSRef));
|
|
BlockMoveData(destRef, &destCurrentRef, sizeof(FSRef));
|
|
|
|
/* get source volume's vRefNum */
|
|
result = FSGetCatalogInfo(&sourceCurrentRef, kFSCatInfoVolume, &sourceCatalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, DetermineSourceVRefNumFailed);
|
|
|
|
/* see if that volume supports FSExchangeObjects */
|
|
result = FSGetVolParms(sourceCatalogInfo.volume, sizeof(GetVolParmsInfoBuffer),
|
|
&volParmsInfo, &infoSize);
|
|
if ( (noErr == result) && VolSupportsFSExchangeObjects(&volParmsInfo) )
|
|
{
|
|
/* yes - use FSExchangeObjects */
|
|
result = FSExchangeObjects(sourceRef, destRef);
|
|
}
|
|
else
|
|
{
|
|
/* no - emulate FSExchangeObjects */
|
|
|
|
/* Note: The compatibility case won't work for files with *Btree control blocks. */
|
|
/* Right now the only *Btree files are created by the system. */
|
|
|
|
/* get all catalog information and Unicode names for each file */
|
|
result = FSGetCatalogInfo(&sourceCurrentRef, kGetCatInformationMask, &sourceCatalogInfo, &sourceName, NULL, &sourceParentRef);
|
|
require_noerr(result, SourceFSGetCatalogInfoFailed);
|
|
|
|
result = FSGetCatalogInfo(&destCurrentRef, kGetCatInformationMask, &destCatalogInfo, &destName, NULL, &destParentRef);
|
|
require_noerr(result, DestFSGetCatalogInfoFailed);
|
|
|
|
/* make sure source and destination are on same volume */
|
|
require_action(sourceCatalogInfo.volume == destCatalogInfo.volume, NotSameVolume, result = diffVolErr);
|
|
|
|
/* make sure both files are *really* files */
|
|
require_action((0 == (sourceCatalogInfo.nodeFlags & kFSNodeIsDirectoryMask)) &&
|
|
(0 == (destCatalogInfo.nodeFlags & kFSNodeIsDirectoryMask)), NotAFile, result = notAFileErr);
|
|
|
|
/* generate 2 names that are unique in both directories */
|
|
theSeed = 0x4a696d4c; /* a fine unlikely filename */
|
|
|
|
result = GenerateUniqueHFSUniStr(&theSeed, &sourceParentRef, &destParentRef, &sourceUniqueName);
|
|
require_noerr(result, GenerateUniqueHFSUniStr1Failed);
|
|
|
|
result = GenerateUniqueHFSUniStr(&theSeed, &sourceParentRef, &destParentRef, &destUniqueName);
|
|
require_noerr(result, GenerateUniqueHFSUniStr2Failed);
|
|
|
|
/* rename sourceCurrentRef to sourceUniqueName */
|
|
result = FSRenameUnicode(&sourceCurrentRef, sourceUniqueName.length, sourceUniqueName.unicode, kTextEncodingUnknown, newSourceRef);
|
|
require_noerr(result, FSRenameUnicode1Failed);
|
|
BlockMoveData(newSourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
|
|
/* rename destCurrentRef to destUniqueName */
|
|
result = FSRenameUnicode(&destCurrentRef, destUniqueName.length, destUniqueName.unicode, kTextEncodingUnknown, newDestRef);
|
|
require_noerr(result, FSRenameUnicode2Failed);
|
|
BlockMoveData(newDestRef, &destCurrentRef, sizeof(FSRef));
|
|
|
|
/* are the source and destination parent directories the same? */
|
|
sameParentDirs = ( sourceCatalogInfo.parentDirID == destCatalogInfo.parentDirID );
|
|
if ( !sameParentDirs )
|
|
{
|
|
/* move source file to dest parent directory */
|
|
result = FSMoveObject(&sourceCurrentRef, &destParentRef, newSourceRef);
|
|
require_noerr(result, FSMoveObject1Failed);
|
|
BlockMoveData(newSourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
|
|
/* move dest file to source parent directory */
|
|
result = FSMoveObject(&destCurrentRef, &sourceParentRef, newDestRef);
|
|
require_noerr(result, FSMoveObject2Failed);
|
|
BlockMoveData(newDestRef, &destCurrentRef, sizeof(FSRef));
|
|
}
|
|
|
|
/* At this point, the files are in their new locations (if they were moved). */
|
|
/* The source file is named sourceUniqueName and is in the directory referred to */
|
|
/* by destParentRef. The destination file is named destUniqueName and is in the */
|
|
/* directory referred to by sourceParentRef. */
|
|
|
|
/* give source file the dest file's catalog information except for mod dates */
|
|
result = FSSetCatalogInfo(&sourceCurrentRef, kSetCatinformationMask, &destCatalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo1Failed);
|
|
|
|
/* give dest file the source file's catalog information except for mod dates */
|
|
result = FSSetCatalogInfo(&destCurrentRef, kSetCatinformationMask, &sourceCatalogInfo);
|
|
require_noerr(result, FSSetCatalogInfo2Failed);
|
|
|
|
/* rename source file with dest file's name */
|
|
result = FSRenameUnicode(&sourceCurrentRef, destName.length, destName.unicode, destCatalogInfo.textEncodingHint, newSourceRef);
|
|
require_noerr(result, FSRenameUnicode3Failed);
|
|
BlockMoveData(newSourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
|
|
/* rename dest file with source file's name */
|
|
result = FSRenameUnicode(&destCurrentRef, sourceName.length, sourceName.unicode, sourceCatalogInfo.textEncodingHint, newDestRef);
|
|
require_noerr(result, FSRenameUnicode4Failed);
|
|
|
|
/* we're done with no errors, so swap newSourceRef and newDestRef */
|
|
BlockMoveData(newDestRef, newSourceRef, sizeof(FSRef));
|
|
BlockMoveData(&sourceCurrentRef, newDestRef, sizeof(FSRef));
|
|
}
|
|
|
|
return ( result );
|
|
|
|
/**********************/
|
|
|
|
/* If there are any failures while emulating FSExchangeObjects, attempt to reverse any steps */
|
|
/* already taken. In any case, newSourceRef and newDestRef will refer to the files in whatever */
|
|
/* state and location they ended up in so that both files can be found by the calling code. */
|
|
|
|
FSRenameUnicode4Failed:
|
|
|
|
/* attempt to rename source file to sourceUniqueName */
|
|
if ( noErr == FSRenameUnicode(&sourceCurrentRef, sourceUniqueName.length, sourceUniqueName.unicode, kTextEncodingUnknown, newSourceRef) )
|
|
{
|
|
BlockMoveData(newSourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
}
|
|
|
|
FSRenameUnicode3Failed:
|
|
|
|
/* attempt to restore dest file's catalog information */
|
|
verify_noerr(FSSetCatalogInfo(&destCurrentRef, kFSCatInfoSettableInfo, &destCatalogInfo));
|
|
|
|
FSSetCatalogInfo2Failed:
|
|
|
|
/* attempt to restore source file's catalog information */
|
|
verify_noerr(FSSetCatalogInfo(&sourceCurrentRef, kFSCatInfoSettableInfo, &sourceCatalogInfo));
|
|
|
|
FSSetCatalogInfo1Failed:
|
|
|
|
if ( !sameParentDirs )
|
|
{
|
|
/* attempt to move dest file back to dest directory */
|
|
if ( noErr == FSMoveObject(&destCurrentRef, &destParentRef, newDestRef) )
|
|
{
|
|
BlockMoveData(newDestRef, &destCurrentRef, sizeof(FSRef));
|
|
}
|
|
}
|
|
|
|
FSMoveObject2Failed:
|
|
|
|
if ( !sameParentDirs )
|
|
{
|
|
/* attempt to move source file back to source directory */
|
|
if ( noErr == FSMoveObject(&sourceCurrentRef, &sourceParentRef, newSourceRef) )
|
|
{
|
|
BlockMoveData(newSourceRef, &sourceCurrentRef, sizeof(FSRef));
|
|
}
|
|
}
|
|
|
|
FSMoveObject1Failed:
|
|
|
|
/* attempt to rename dest file to original name */
|
|
verify_noerr(FSRenameUnicode(&destCurrentRef, destName.length, destName.unicode, destCatalogInfo.textEncodingHint, newDestRef));
|
|
|
|
FSRenameUnicode2Failed:
|
|
|
|
/* attempt to rename source file to original name */
|
|
verify_noerr(FSRenameUnicode(&sourceCurrentRef, sourceName.length, sourceName.unicode, sourceCatalogInfo.textEncodingHint, newSourceRef));
|
|
|
|
FSRenameUnicode1Failed:
|
|
GenerateUniqueHFSUniStr2Failed:
|
|
GenerateUniqueHFSUniStr1Failed:
|
|
NotAFile:
|
|
NotSameVolume:
|
|
DestFSGetCatalogInfoFailed:
|
|
SourceFSGetCatalogInfoFailed:
|
|
FSGetVolParmsFailed:
|
|
DetermineSourceVRefNumFailed:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
#pragma mark ----- Shared Environment Routines -----
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSLockRange(
|
|
SInt16 refNum,
|
|
SInt32 rangeLength,
|
|
SInt32 rangeStart)
|
|
{
|
|
OSErr result;
|
|
ParamBlockRec pb;
|
|
|
|
pb.ioParam.ioRefNum = refNum;
|
|
pb.ioParam.ioReqCount = rangeLength;
|
|
pb.ioParam.ioPosMode = fsFromStart;
|
|
pb.ioParam.ioPosOffset = rangeStart;
|
|
result = PBLockRangeSync(&pb);
|
|
require_noerr(result, PBLockRangeSync);
|
|
|
|
PBLockRangeSync:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSUnlockRange(
|
|
SInt16 refNum,
|
|
SInt32 rangeLength,
|
|
SInt32 rangeStart)
|
|
{
|
|
OSErr result;
|
|
ParamBlockRec pb;
|
|
|
|
pb.ioParam.ioRefNum = refNum;
|
|
pb.ioParam.ioReqCount = rangeLength;
|
|
pb.ioParam.ioPosMode = fsFromStart;
|
|
pb.ioParam.ioPosOffset = rangeStart;
|
|
result = PBUnlockRangeSync(&pb);
|
|
require_noerr(result, PBUnlockRangeSync);
|
|
|
|
PBUnlockRangeSync:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetDirAccess(
|
|
const FSRef *ref,
|
|
SInt32 *ownerID, /* can be NULL */
|
|
SInt32 *groupID, /* can be NULL */
|
|
SInt32 *accessRights) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSSpec spec;
|
|
HParamBlockRec pb;
|
|
|
|
/* get FSSpec from FSRef */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, &spec, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* get directory access info for FSSpec */
|
|
pb.accessParam.ioNamePtr = (StringPtr)spec.name;
|
|
pb.accessParam.ioVRefNum = spec.vRefNum;
|
|
pb.fileParam.ioDirID = spec.parID;
|
|
result = PBHGetDirAccessSync(&pb);
|
|
require_noerr(result, PBHGetDirAccessSync);
|
|
|
|
/* return the IDs and access rights */
|
|
if ( NULL != ownerID )
|
|
{
|
|
*ownerID = pb.accessParam.ioACOwnerID;
|
|
}
|
|
if ( NULL != groupID )
|
|
{
|
|
*groupID = pb.accessParam.ioACGroupID;
|
|
}
|
|
if ( NULL != accessRights )
|
|
{
|
|
*accessRights = pb.accessParam.ioACAccess;
|
|
}
|
|
|
|
PBHGetDirAccessSync:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetDirAccess(
|
|
const FSRef *ref,
|
|
SInt32 ownerID,
|
|
SInt32 groupID,
|
|
SInt32 accessRights)
|
|
{
|
|
OSErr result;
|
|
FSSpec spec;
|
|
HParamBlockRec pb;
|
|
|
|
enum
|
|
{
|
|
/* Just the bits that can be set */
|
|
kSetDirAccessSettableMask = (kioACAccessBlankAccessMask +
|
|
kioACAccessEveryoneWriteMask + kioACAccessEveryoneReadMask + kioACAccessEveryoneSearchMask +
|
|
kioACAccessGroupWriteMask + kioACAccessGroupReadMask + kioACAccessGroupSearchMask +
|
|
kioACAccessOwnerWriteMask + kioACAccessOwnerReadMask + kioACAccessOwnerSearchMask)
|
|
};
|
|
|
|
/* get FSSpec from FSRef */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, &spec, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* set directory access info for FSSpec */
|
|
pb.accessParam.ioNamePtr = (StringPtr)spec.name;
|
|
pb.accessParam.ioVRefNum = spec.vRefNum;
|
|
pb.fileParam.ioDirID = spec.parID;
|
|
pb.accessParam.ioACOwnerID = ownerID;
|
|
pb.accessParam.ioACGroupID = groupID;
|
|
pb.accessParam.ioACAccess = accessRights & kSetDirAccessSettableMask;
|
|
result = PBHSetDirAccessSync(&pb);
|
|
require_noerr(result, PBHSetDirAccessSync);
|
|
|
|
PBHSetDirAccessSync:
|
|
FSGetCatalogInfo:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetVolMountInfoSize(
|
|
FSVolumeRefNum volRefNum,
|
|
SInt16 *size)
|
|
{
|
|
OSErr result;
|
|
ParamBlockRec pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != size, BadParameter, result = paramErr);
|
|
|
|
pb.ioParam.ioNamePtr = NULL;
|
|
pb.ioParam.ioVRefNum = volRefNum;
|
|
pb.ioParam.ioBuffer = (Ptr)size;
|
|
result = PBGetVolMountInfoSize(&pb);
|
|
require_noerr(result, PBGetVolMountInfoSize);
|
|
|
|
PBGetVolMountInfoSize:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSGetVolMountInfo(
|
|
FSVolumeRefNum volRefNum,
|
|
void *volMountInfo)
|
|
{
|
|
OSErr result;
|
|
ParamBlockRec pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != volMountInfo, BadParameter, result = paramErr);
|
|
|
|
pb.ioParam.ioNamePtr = NULL;
|
|
pb.ioParam.ioVRefNum = volRefNum;
|
|
pb.ioParam.ioBuffer = (Ptr)volMountInfo;
|
|
result = PBGetVolMountInfo(&pb);
|
|
require_noerr(result, PBGetVolMountInfo);
|
|
|
|
PBGetVolMountInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSVolumeMount(
|
|
const void *volMountInfo,
|
|
FSVolumeRefNum *volRefNum)
|
|
{
|
|
OSErr result;
|
|
ParamBlockRec pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != volRefNum, BadParameter, result = paramErr);
|
|
|
|
pb.ioParam.ioBuffer = (Ptr)volMountInfo;
|
|
result = PBVolumeMount(&pb);
|
|
require_noerr(result, PBVolumeMount);
|
|
|
|
/* return the volume reference number */
|
|
*volRefNum = pb.ioParam.ioVRefNum;
|
|
|
|
PBVolumeMount:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSMapID(
|
|
FSVolumeRefNum volRefNum,
|
|
SInt32 ugID,
|
|
SInt16 objType,
|
|
Str31 name)
|
|
{
|
|
OSErr result;
|
|
HParamBlockRec pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != name, BadParameter, result = paramErr);
|
|
|
|
pb.objParam.ioNamePtr = NULL;
|
|
pb.objParam.ioVRefNum = volRefNum;
|
|
pb.objParam.ioObjType = objType;
|
|
pb.objParam.ioObjNamePtr = name;
|
|
pb.objParam.ioObjID = ugID;
|
|
result = PBHMapIDSync(&pb);
|
|
require_noerr(result, PBHMapIDSync);
|
|
|
|
PBHMapIDSync:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSMapName(
|
|
FSVolumeRefNum volRefNum,
|
|
ConstStr255Param name,
|
|
SInt16 objType,
|
|
SInt32 *ugID)
|
|
{
|
|
OSErr result;
|
|
HParamBlockRec pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != ugID, BadParameter, result = paramErr);
|
|
|
|
pb.objParam.ioNamePtr = NULL;
|
|
pb.objParam.ioVRefNum = volRefNum;
|
|
pb.objParam.ioObjType = objType;
|
|
pb.objParam.ioObjNamePtr = (StringPtr)name;
|
|
result = PBHMapNameSync(&pb);
|
|
require_noerr(result, PBHMapNameSync);
|
|
|
|
/* return the user or group ID */
|
|
*ugID = pb.objParam.ioObjID;
|
|
|
|
PBHMapNameSync:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSCopyFile(
|
|
const FSRef *srcFileRef,
|
|
const FSRef *dstDirectoryRef,
|
|
UniCharCount nameLength,
|
|
const UniChar *copyName, /* can be NULL (no rename during copy) */
|
|
TextEncoding textEncodingHint,
|
|
FSRef *newRef) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSSpec srcFileSpec;
|
|
FSCatalogInfo catalogInfo;
|
|
HParamBlockRec pb;
|
|
Str31 hfsName;
|
|
GetVolParmsInfoBuffer volParmsInfo;
|
|
UInt32 infoSize;
|
|
|
|
/* get source FSSpec from source FSRef */
|
|
result = FSGetCatalogInfo(srcFileRef, kFSCatInfoNone, NULL, NULL, &srcFileSpec, NULL);
|
|
require_noerr(result, FSGetCatalogInfo_srcFileRef);
|
|
|
|
/* Make sure the volume supports CopyFile */
|
|
result = FSGetVolParms(srcFileSpec.vRefNum, sizeof(GetVolParmsInfoBuffer),
|
|
&volParmsInfo, &infoSize);
|
|
require_action((noErr == result) && VolHasCopyFile(&volParmsInfo),
|
|
NoCopyFileSupport, result = paramErr);
|
|
|
|
/* get destination volume reference number and destination directory ID from destination FSRef */
|
|
result = FSGetCatalogInfo(dstDirectoryRef, kFSCatInfoVolume + kFSCatInfoNodeID,
|
|
&catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo_dstDirectoryRef);
|
|
|
|
/* tell the server to copy the object */
|
|
pb.copyParam.ioVRefNum = srcFileSpec.vRefNum;
|
|
pb.copyParam.ioDirID = srcFileSpec.parID;
|
|
pb.copyParam.ioNamePtr = (StringPtr)srcFileSpec.name;
|
|
pb.copyParam.ioDstVRefNum = catalogInfo.volume;
|
|
pb.copyParam.ioNewDirID = (long)catalogInfo.nodeID;
|
|
pb.copyParam.ioNewName = NULL;
|
|
if ( NULL != copyName )
|
|
{
|
|
result = UnicodeNameGetHFSName(nameLength, copyName, textEncodingHint, false, hfsName);
|
|
require_noerr(result, UnicodeNameGetHFSName);
|
|
|
|
pb.copyParam.ioCopyName = hfsName;
|
|
}
|
|
else
|
|
{
|
|
pb.copyParam.ioCopyName = NULL;
|
|
}
|
|
result = PBHCopyFileSync(&pb);
|
|
require_noerr(result, PBHCopyFileSync);
|
|
|
|
if ( NULL != newRef )
|
|
{
|
|
verify_noerr(FSMakeFSRef(pb.copyParam.ioDstVRefNum, pb.copyParam.ioNewDirID,
|
|
pb.copyParam.ioCopyName, newRef));
|
|
}
|
|
|
|
PBHCopyFileSync:
|
|
UnicodeNameGetHFSName:
|
|
FSGetCatalogInfo_dstDirectoryRef:
|
|
NoCopyFileSupport:
|
|
FSGetCatalogInfo_srcFileRef:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSMoveRename(
|
|
const FSRef *srcFileRef,
|
|
const FSRef *dstDirectoryRef,
|
|
UniCharCount nameLength,
|
|
const UniChar *moveName, /* can be NULL (no rename during move) */
|
|
TextEncoding textEncodingHint,
|
|
FSRef *newRef) /* can be NULL */
|
|
{
|
|
OSErr result;
|
|
FSSpec srcFileSpec;
|
|
FSCatalogInfo catalogInfo;
|
|
HParamBlockRec pb;
|
|
Str31 hfsName;
|
|
GetVolParmsInfoBuffer volParmsInfo;
|
|
UInt32 infoSize;
|
|
|
|
/* get source FSSpec from source FSRef */
|
|
result = FSGetCatalogInfo(srcFileRef, kFSCatInfoNone, NULL, NULL, &srcFileSpec, NULL);
|
|
require_noerr(result, FSGetCatalogInfo_srcFileRef);
|
|
|
|
/* Make sure the volume supports MoveRename */
|
|
result = FSGetVolParms(srcFileSpec.vRefNum, sizeof(GetVolParmsInfoBuffer),
|
|
&volParmsInfo, &infoSize);
|
|
require_action((noErr == result) && VolHasMoveRename(&volParmsInfo),
|
|
NoMoveRenameSupport, result = paramErr);
|
|
|
|
/* get destination volume reference number and destination directory ID from destination FSRef */
|
|
result = FSGetCatalogInfo(dstDirectoryRef, kFSCatInfoVolume + kFSCatInfoNodeID,
|
|
&catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo_dstDirectoryRef);
|
|
|
|
/* make sure the source and destination are on the same volume */
|
|
require_action(srcFileSpec.vRefNum == catalogInfo.volume, NotSameVolume, result = diffVolErr);
|
|
|
|
/* tell the server to move and rename the object */
|
|
pb.copyParam.ioVRefNum = srcFileSpec.vRefNum;
|
|
pb.copyParam.ioDirID = srcFileSpec.parID;
|
|
pb.copyParam.ioNamePtr = (StringPtr)srcFileSpec.name;
|
|
pb.copyParam.ioNewDirID = (long)catalogInfo.nodeID;
|
|
pb.copyParam.ioNewName = NULL;
|
|
if ( NULL != moveName )
|
|
{
|
|
result = UnicodeNameGetHFSName(nameLength, moveName, textEncodingHint, false, hfsName);
|
|
require_noerr(result, UnicodeNameGetHFSName);
|
|
|
|
pb.copyParam.ioCopyName = hfsName;
|
|
}
|
|
else
|
|
{
|
|
pb.copyParam.ioCopyName = NULL;
|
|
}
|
|
result = PBHMoveRenameSync(&pb);
|
|
require_noerr(result, PBHMoveRenameSync);
|
|
|
|
if ( NULL != newRef )
|
|
{
|
|
verify_noerr(FSMakeFSRef(pb.copyParam.ioVRefNum, pb.copyParam.ioNewDirID,
|
|
pb.copyParam.ioCopyName, newRef));
|
|
}
|
|
|
|
PBHMoveRenameSync:
|
|
UnicodeNameGetHFSName:
|
|
NotSameVolume:
|
|
FSGetCatalogInfo_dstDirectoryRef:
|
|
NoMoveRenameSupport:
|
|
FSGetCatalogInfo_srcFileRef:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
#pragma mark ----- File ID Routines -----
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSResolveFileIDRef(
|
|
FSVolumeRefNum volRefNum,
|
|
SInt32 fileID,
|
|
FSRef *ref)
|
|
{
|
|
OSErr result;
|
|
FIDParam pb;
|
|
Str255 tempStr;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != ref, BadParameter, result = paramErr);
|
|
|
|
/* resolve the file ID reference */
|
|
StrLength(tempStr) = 0;
|
|
pb.ioNamePtr = tempStr;
|
|
pb.ioVRefNum = volRefNum;
|
|
pb.ioFileID = fileID;
|
|
result = PBResolveFileIDRefSync((HParmBlkPtr)&pb);
|
|
require_noerr(result, PBResolveFileIDRefSync);
|
|
|
|
/* and then make an FSRef to the file */
|
|
result = FSMakeFSRef(volRefNum, pb.ioSrcDirID, tempStr, ref);
|
|
require_noerr(result, FSMakeFSRef);
|
|
|
|
FSMakeFSRef:
|
|
PBResolveFileIDRefSync:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSCreateFileIDRef(
|
|
const FSRef *ref,
|
|
SInt32 *fileID)
|
|
{
|
|
OSErr result;
|
|
FSSpec spec;
|
|
FIDParam pb;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != fileID, BadParameter, result = paramErr);
|
|
|
|
/* Get an FSSpec from the FSRef */
|
|
result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, &spec, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* Create (or get) the file ID reference using the FSSpec */
|
|
pb.ioNamePtr = (StringPtr)spec.name;
|
|
pb.ioVRefNum = spec.vRefNum;
|
|
pb.ioSrcDirID = spec.parID;
|
|
result = PBCreateFileIDRefSync((HParmBlkPtr)&pb);
|
|
require((noErr == result) || (fidExists == result) || (afpIDExists == result),
|
|
PBCreateFileIDRefSync);
|
|
|
|
/* return the file ID reference */
|
|
*fileID = pb.ioFileID;
|
|
|
|
PBCreateFileIDRefSync:
|
|
FSGetCatalogInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
#pragma mark ----- Utility Routines -----
|
|
|
|
/*****************************************************************************/
|
|
|
|
Ptr
|
|
GetTempBuffer(
|
|
ByteCount buffReqSize,
|
|
ByteCount *buffActSize)
|
|
{
|
|
enum
|
|
{
|
|
kSlopMemory = 0x00008000 /* 32K - Amount of free memory to leave when allocating buffers */
|
|
};
|
|
|
|
Ptr tempPtr;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != buffActSize, BadParameter, tempPtr = NULL);
|
|
|
|
/* Make request a multiple of 4K bytes */
|
|
buffReqSize = buffReqSize & 0xfffff000;
|
|
|
|
if ( buffReqSize < 0x00001000 )
|
|
{
|
|
/* Request was smaller than 4K bytes - make it 4K */
|
|
buffReqSize = 0x00001000;
|
|
}
|
|
|
|
/* Attempt to allocate the memory */
|
|
tempPtr = NewPtr(buffReqSize);
|
|
|
|
/* If request failed, go to backup plan */
|
|
if ( (tempPtr == NULL) && (buffReqSize > 0x00001000) )
|
|
{
|
|
/*
|
|
** Try to get largest 4K byte block available
|
|
** leaving some slop for the toolbox if possible
|
|
*/
|
|
long freeMemory = (FreeMem() - kSlopMemory) & 0xfffff000;
|
|
|
|
buffReqSize = MaxBlock() & 0xfffff000;
|
|
|
|
if ( buffReqSize > freeMemory )
|
|
{
|
|
buffReqSize = freeMemory;
|
|
}
|
|
|
|
if ( buffReqSize == 0 )
|
|
{
|
|
buffReqSize = 0x00001000;
|
|
}
|
|
|
|
tempPtr = NewPtr(buffReqSize);
|
|
}
|
|
|
|
/* Return bytes allocated */
|
|
if ( tempPtr != NULL )
|
|
{
|
|
*buffActSize = buffReqSize;
|
|
}
|
|
else
|
|
{
|
|
*buffActSize = 0;
|
|
}
|
|
|
|
BadParameter:
|
|
|
|
return ( tempPtr );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FileRefNumGetFSRef(
|
|
short refNum,
|
|
FSRef *ref)
|
|
{
|
|
return ( FSGetForkCBInfo(refNum, 0, NULL, NULL, NULL, ref, NULL) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSSetDefault(
|
|
const FSRef *newDefault,
|
|
FSRef *oldDefault)
|
|
{
|
|
OSErr result;
|
|
FSVolumeRefNum vRefNum;
|
|
long dirID;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
/* check parameters */
|
|
require_action((NULL != newDefault) && (NULL != oldDefault), BadParameter, result = paramErr);
|
|
|
|
/* Get nodeFlags, vRefNum and dirID (nodeID) of newDefault */
|
|
result = FSGetCatalogInfo(newDefault,
|
|
kFSCatInfoNodeFlags + kFSCatInfoVolume + kFSCatInfoNodeID,
|
|
&catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* Make sure newDefault is a directory */
|
|
require_action(0 != (kFSNodeIsDirectoryMask & catalogInfo.nodeFlags), NewDefaultNotDirectory,
|
|
result = dirNFErr);
|
|
|
|
/* Get the current working directory. */
|
|
result = HGetVol(NULL, &vRefNum, &dirID);
|
|
require_noerr(result, HGetVol);
|
|
|
|
/* Return the oldDefault FSRef */
|
|
result = FSMakeFSRef(vRefNum, dirID, NULL, oldDefault);
|
|
require_noerr(result, FSMakeFSRef);
|
|
|
|
/* Set the new current working directory */
|
|
result = HSetVol(NULL, catalogInfo.volume, catalogInfo.nodeID);
|
|
require_noerr(result, HSetVol);
|
|
|
|
HSetVol:
|
|
FSMakeFSRef:
|
|
HGetVol:
|
|
NewDefaultNotDirectory:
|
|
FSGetCatalogInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
OSErr
|
|
FSRestoreDefault(
|
|
const FSRef *oldDefault)
|
|
{
|
|
OSErr result;
|
|
FSCatalogInfo catalogInfo;
|
|
|
|
/* check parameters */
|
|
require_action(NULL != oldDefault, BadParameter, result = paramErr);
|
|
|
|
/* Get nodeFlags, vRefNum and dirID (nodeID) of oldDefault */
|
|
result = FSGetCatalogInfo(oldDefault,
|
|
kFSCatInfoNodeFlags + kFSCatInfoVolume + kFSCatInfoNodeID,
|
|
&catalogInfo, NULL, NULL, NULL);
|
|
require_noerr(result, FSGetCatalogInfo);
|
|
|
|
/* Make sure oldDefault is a directory */
|
|
require_action(0 != (kFSNodeIsDirectoryMask & catalogInfo.nodeFlags), OldDefaultNotDirectory,
|
|
result = dirNFErr);
|
|
|
|
/* Set the current working directory to oldDefault */
|
|
result = HSetVol(NULL, catalogInfo.volume, catalogInfo.nodeID);
|
|
require_noerr(result, HSetVol);
|
|
|
|
HSetVol:
|
|
OldDefaultNotDirectory:
|
|
FSGetCatalogInfo:
|
|
BadParameter:
|
|
|
|
return ( result );
|
|
}
|
|
|
|
/*****************************************************************************/
|