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SF.net SVN: frontierkernel:[1834] Frontier/trunk/Common/MoreFilesX
|
From: <and...@us...> - 2011-06-24 19:43:15
|
Revision: 1834
http://frontierkernel.svn.sourceforge.net/frontierkernel/?rev=1834&view=rev
Author: andreradke
Date: 2011-06-24 19:43:07 +0000 (Fri, 24 Jun 2011)
Log Message:
-----------
Fixed properties and line-endings for MoreFilesX.
Modified Paths:
--------------
Frontier/trunk/Common/MoreFilesX/MoreFilesX.c
Frontier/trunk/Common/MoreFilesX/MoreFilesX.h
Property Changed:
----------------
Frontier/trunk/Common/MoreFilesX/MoreFilesX.c
Frontier/trunk/Common/MoreFilesX/MoreFilesX.h
Modified: Frontier/trunk/Common/MoreFilesX/MoreFilesX.c
===================================================================
--- Frontier/trunk/Common/MoreFilesX/MoreFilesX.c 2011-03-01 06:06:29 UTC (rev 1833)
+++ Frontier/trunk/Common/MoreFilesX/MoreFilesX.c 2011-06-24 19:43:07 UTC (rev 1834)
@@ -1,2799 +1,2799 @@
-/*
-File: MoreFilesX.c
-
-Abstract: A collection of useful high-level File Manager routines which use
- the HFS Plus APIs wherever possible.
-
-Version: 1.0.2
-
-Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
-Computer, Inc. ("Apple") in consideration of your agreement to the
-following terms, and your use, installation, modification or
-redistribution of this Apple software constitutes acceptance of these
-terms. If you do not agree with these terms, please do not use,
-install, modify or redistribute this Apple software.
-
-In consideration of your agreement to abide by the following terms, and
-subject to these terms, Apple grants you a personal, non-exclusive
-license, under Apple's copyrights in this original Apple software (the
-"Apple Software"), to use, reproduce, modify and redistribute the Apple
-Software, with or without modifications, in source and/or binary forms;
-provided that if you redistribute the Apple Software in its entirety and
-without modifications, you must retain this notice and the following
-text and disclaimers in all such redistributions of the Apple Software.
-Neither the name, trademarks, service marks or logos of Apple Computer,
-Inc. may be used to endorse or promote products derived from the Apple
-Software without specific prior written permission from Apple. Except
-as expressly stated in this notice, no other rights or licenses, express
-or implied, are granted by Apple herein, including but not limited to
-any patent rights that may be infringed by your derivative works or by
-other works in which the Apple Software may be incorporated.
-
-The Apple Software is provided by Apple on an "AS IS" basis. APPLE
-MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
-THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
-OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
-
-IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
-OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
-MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
-AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
-STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-Copyright \xA9 1992-2005 Apple Computer, Inc., All Rights Reserved
-
-For bug reports, consult the following page on the World Wide Web:
- <http://developer.apple.com/bugreporter/>
-
-Change History (most recent first):
-
- <8> 17 Feb 2005 <rdar://problem/4012003>
- Fixed casting and comparison warnings when "-Werror
- -Wmissing-declarations -Wmissing-prototypes -Wall
- -W -Wcast-qual -Wpointer-arith -Wno-four-char-constants
- -Wno-unknown-pragmas" are used with XCode 2.0.
- <7> 18 Dec 2004 <rdar://problem/3926695>
- Replaced FSLockRange and FSUnlockRange with
- FSLockRangeCompat and FSUnlockRangeCompat.
- <6> 05 Jan 2004 <rdar://problem/3510800>
- Changed FSMoveRenameObjectUnicode to handle source
- and destination directories being the same, and to
- make sure the destination actually is a directory.
- <5> 22 Sep 2002 <rdar://problem/3016251>
- Changed FSMoveRenameObjectUnicode to not use the
- Temporary folder because it isn't available on NFS volumes.
- <4> 19 Apr 2002 <rdar://problem/2853905>
- Fixed #if test around header includes.
- <3> 19 Apr 2002 <rdar://problem/2850624>
- Fixed C++ compile errors and Project Builder warnings.
- <2> 19 Apr 2002 <rdar://problem/2853901>
- Updated standard disclaimer.
- <1> 25 Jan 2002 MoreFilesX 1.0
-*/
-
-#if defined(__MACH__)
- #include <Carbon/Carbon.h>
- #include <string.h>
-#else
- #include <Carbon.h>
- #include <string.h>
-#endif
-
-#include "MoreFilesX.h"
-
-/* Set BuildingMoreFilesXForMacOS9 to 1 if building for Mac OS 9 */
-#ifndef BuildingMoreFilesXForMacOS9
- #define BuildingMoreFilesXForMacOS9 0
-#endif
-
-/* macro for casting away const when you really have to */
-#define CONST_CAST(type, const_var) (*(type*)((void *)&(const_var)))
-
-/*****************************************************************************/
-
-#pragma mark ----- Local type definitions -----
-
-struct FSIterateContainerGlobals
-{
- IterateContainerFilterProcPtr iterateFilter; /* pointer to IterateFilterProc */
- FSCatalogInfoBitmap whichInfo; /* fields of the CatalogInfo to get */
- FSCatalogInfo catalogInfo; /* FSCatalogInfo */
- FSRef ref; /* FSRef */
- FSSpec spec; /* FSSpec */
- FSSpec *specPtr; /* pointer to spec field, or NULL */
- HFSUniStr255 name; /* HFSUniStr255 */
- HFSUniStr255 *namePtr; /* pointer to name field, or NULL */
- void *yourDataPtr; /* a pointer to caller supplied data the filter may need to access */
- ItemCount maxLevels; /* maximum levels to iterate through */
- ItemCount currentLevel; /* the current level FSIterateContainerLevel is on */
- Boolean quitFlag; /* set to true if filter wants to kill interation */
- Boolean containerChanged; /* temporary - set to true if the current container changed during iteration */
- OSErr result; /* result */
- ItemCount actualObjects; /* number of objects returned */
-};
-typedef struct FSIterateContainerGlobals FSIterateContainerGlobals;
-
-struct FSDeleteContainerGlobals
-{
- OSErr result; /* result */
- ItemCount actualObjects; /* number of objects returned */
- FSCatalogInfo catalogInfo; /* FSCatalogInfo */
-};
-typedef struct FSDeleteContainerGlobals FSDeleteContainerGlobals;
-
-/*****************************************************************************/
-
-#pragma mark ----- Local prototypes -----
-
-static
-void
-FSDeleteContainerLevel(
- const FSRef *container,
- FSDeleteContainerGlobals *theGlobals);
-
-static
-void
-FSIterateContainerLevel(
- FSIterateContainerGlobals *theGlobals);
-
-static
-OSErr
-GenerateUniqueHFSUniStr(
- long *startSeed,
- const FSRef *dir1,
- const FSRef *dir2,
- HFSUniStr255 *uniqueName);
-
-/*****************************************************************************/
-
-#pragma mark ----- File Access Routines -----
-
-/*****************************************************************************/
-
-OSErr
-FSCopyFork(
- SInt16 srcRefNum,
- SInt16 dstRefNum,
- void *copyBufferPtr,
- ByteCount copyBufferSize)
-{
- OSErr srcResult;
- OSErr dstResult;
- OSErr result;
- SInt64 forkSize;
- ByteCount readActualCount;
-
- /* check input parameters */
- require_action((NULL != copyBufferPtr) && (0 != copyBufferSize), BadParameter, result = paramErr);
-
- /* get source fork size */
- result = FSGetForkSize(srcRefNum, &forkSize);
- require_noerr(result, SourceFSGetForkSizeFailed);
-
- /* allocate disk space for destination fork */
- result = FSSetForkSize(dstRefNum, fsFromStart, forkSize);
- require_noerr(result, DestinationFSSetForkSizeFailed);
-
- /* reset source fork's position to 0 */
- result = FSSetForkPosition(srcRefNum, fsFromStart, 0);
- require_noerr(result, SourceFSSetForkPositionFailed);
-
- /* reset destination fork's position to 0 */
- result = FSSetForkPosition(dstRefNum, fsFromStart, 0);
- require_noerr(result, DestinationFSSetForkPositionFailed);
-
- /* If copyBufferSize is greater than 4K bytes, make it a multiple of 4k bytes */
- /* This will make writes on local volumes faster */
- if ( (copyBufferSize >= 0x00001000) && ((copyBufferSize & 0x00000fff) != 0) )
- {
- copyBufferSize &= ~(0x00001000 - 1);
- }
-
- /* copy source to destination */
- srcResult = dstResult = noErr;
- while ( (noErr == srcResult) && (noErr == dstResult) )
- {
- srcResult = FSReadFork(srcRefNum, fsAtMark + noCacheMask, 0, copyBufferSize, copyBufferPtr, &readActualCount);
- dstResult = FSWriteFork(dstRefNum, fsAtMark + noCacheMask, 0, readActualCount, copyBufferPtr, NULL);
- }
-
- /* make sure there were no errors at the destination */
- require_noerr_action(dstResult, DestinationFSWriteForkFailed, result = dstResult);
-
- /* make sure the error at the source was eofErr */
- require_action(eofErr == srcResult, SourceResultNotEofErr, result = srcResult);
-
- /* everything went as expected */
- result = noErr;
-
-SourceResultNotEofErr:
-DestinationFSWriteForkFailed:
-DestinationFSSetForkPositionFailed:
-SourceFSSetForkPositionFailed:
-DestinationFSSetForkSizeFailed:
-SourceFSGetForkSizeFailed:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-#pragma mark ----- Volume Access Routines -----
-
-/*****************************************************************************/
-
-OSErr
-FSGetVolParms(
- FSVolumeRefNum volRefNum,
- UInt32 bufferSize,
- GetVolParmsInfoBuffer *volParmsInfo,
- UInt32 *actualInfoSize)
-{
- OSErr result;
- HParamBlockRec pb;
-
- /* check parameters */
- require_action((NULL != volParmsInfo) && (NULL != actualInfoSize),
- BadParameter, result = paramErr);
-
- pb.ioParam.ioNamePtr = NULL;
- pb.ioParam.ioVRefNum = volRefNum;
- pb.ioParam.ioBuffer = (Ptr)volParmsInfo;
- pb.ioParam.ioReqCount = (SInt32)bufferSize;
- result = PBHGetVolParmsSync(&pb);
- require_noerr(result, PBHGetVolParmsSync);
-
- /* return number of bytes the file system returned in volParmsInfo buffer */
- *actualInfoSize = (UInt32)pb.ioParam.ioActCount;
-
-PBHGetVolParmsSync:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-FSGetVRefNum(
- const FSRef *ref,
- FSVolumeRefNum *vRefNum)
-{
- OSErr result;
- FSCatalogInfo catalogInfo;
-
- /* check parameters */
- require_action(NULL != vRefNum, BadParameter, result = paramErr);
-
- /* get the volume refNum from the FSRef */
- result = FSGetCatalogInfo(ref, kFSCatInfoVolume, &catalogInfo, NULL, NULL, NULL);
- require_noerr(result, FSGetCatalogInfo);
-
- /* return volume refNum from catalogInfo */
- *vRefNum = catalogInfo.volume;
-
-FSGetCatalogInfo:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-FSGetVInfo(
- FSVolumeRefNum volume,
- HFSUniStr255 *volumeName, /* can be NULL */
- UInt64 *freeBytes, /* can be NULL */
- UInt64 *totalBytes) /* can be NULL */
-{
- OSErr result;
- FSVolumeInfo info;
-
- /* ask for the volume's sizes only if needed */
- result = FSGetVolumeInfo(volume, 0, NULL,
- (((NULL != freeBytes) || (NULL != totalBytes)) ? kFSVolInfoSizes : kFSVolInfoNone),
- &info, volumeName, NULL);
- require_noerr(result, FSGetVolumeInfo);
-
- if ( NULL != freeBytes )
- {
- *freeBytes = info.freeBytes;
- }
- if ( NULL != totalBytes )
- {
- *totalBytes = info.totalBytes;
- }
-
-FSGetVolumeInfo:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-FSGetVolFileSystemID(
- FSVolumeRefNum volume,
- UInt16 *fileSystemID, /* can be NULL */
- UInt16 *signature) /* can be NULL */
-{
- OSErr result;
- FSVolumeInfo info;
-
- result = FSGetVolumeInfo(volume, 0, NULL, kFSVolInfoFSInfo, &info, NULL, NULL);
- require_noerr(result, FSGetVolumeInfo);
-
- if ( NULL != fileSystemID )
- {
- *fileSystemID = info.filesystemID;
- }
- if ( NULL != signature )
- {
- *signature = info.signature;
- }
-
-FSGetVolumeInfo:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-FSGetMountedVolumes(
- FSRef ***volumeRefsHandle, /* pointer to handle of FSRefs */
- ItemCount *numVolumes)
-{
- OSErr result;
- OSErr memResult;
- ItemCount volumeIndex;
- FSRef ref;
-
- /* check parameters */
- require_action((NULL != volumeRefsHandle) && (NULL != numVolumes),
- BadParameter, result = paramErr);
-
- /* No volumes yet */
- *numVolumes = 0;
-
- /* Allocate a handle for the results */
- *volumeRefsHandle = (FSRef **)NewHandle(0);
- require_action(NULL != *volumeRefsHandle, NewHandle, result = memFullErr);
-
- /* Call FSGetVolumeInfo in loop to get all volumes starting with the first */
- volumeIndex = 1;
- do
- {
- result = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoNone, NULL, NULL, &ref);
- if ( noErr == result )
- {
- /* concatenate the FSRef to the end of the handle */
- PtrAndHand(&ref, (Handle)*volumeRefsHandle, sizeof(FSRef));
- memResult = MemError();
- require_noerr_action(memResult, MemoryAllocationFailed, result = memResult);
-
- ++(*numVolumes); /* increment the volume count */
- ++volumeIndex; /* and the volumeIndex to get the next volume*/
- }
- } while ( noErr == result );
-
- /* nsvErr is OK -- it just means there are no more volumes */
- require(nsvErr == result, FSGetVolumeInfo);
-
- return ( noErr );
-
- /**********************/
-
-MemoryAllocationFailed:
-FSGetVolumeInfo:
-
- /* dispose of handle if already allocated and clear the outputs */
- if ( NULL != *volumeRefsHandle )
- {
- DisposeHandle((Handle)*volumeRefsHandle);
- *volumeRefsHandle = NULL;
- }
- *numVolumes = 0;
-
-NewHandle:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-#pragma mark ----- FSRef/FSpec/Path/Name Conversion Routines -----
-
-/*****************************************************************************/
-
-OSErr
-FSRefMakeFSSpec(
- const FSRef *ref,
- FSSpec *spec)
-{
- OSErr result;
-
- /* check parameters */
- require_action(NULL != spec, BadParameter, result = paramErr);
-
- result = FSGetCatalogInfo(ref, kFSCatInfoNone, NULL, NULL, spec, NULL);
- require_noerr(result, FSGetCatalogInfo);
-
-FSGetCatalogInfo:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-FSMakeFSRef(
- FSVolumeRefNum volRefNum,
- SInt32 dirID,
- ConstStr255Param name,
- FSRef *ref)
-{
- OSErr result;
- FSRefParam pb;
-
- /* check parameters */
- require_action(NULL != ref, BadParameter, result = paramErr);
-
- pb.ioVRefNum = volRefNum;
- pb.ioDirID = dirID;
- pb.ioNamePtr = CONST_CAST(StringPtr, name);
- pb.newRef = ref;
- result = PBMakeFSRefSync(&pb);
- require_noerr(result, PBMakeFSRefSync);
-
-PBMakeFSRefSync:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSStatus
-FSMakePath(
- SInt16 volRefNum,
- SInt32 dirID,
- ConstStr255Param name,
- UInt8 *path,
- UInt32 maxPathSize)
-{
- OSStatus result;
- FSRef ref;
-
- /* check parameters */
- require_action(NULL != path, BadParameter, result = paramErr);
-
- /* convert the inputs to an FSRef */
- result = FSMakeFSRef(volRefNum, dirID, name, &ref);
- require_noerr(result, FSMakeFSRef);
-
- /* and then convert the FSRef to a path */
- result = FSRefMakePath(&ref, path, maxPathSize);
- require_noerr(result, FSRefMakePath);
-
-FSRefMakePath:
-FSMakeFSRef:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSStatus
-FSPathMakeFSSpec(
- const UInt8 *path,
- FSSpec *spec,
- Boolean *isDirectory) /* can be NULL */
-{
- OSStatus result;
- FSRef ref;
-
- /* check parameters */
- require_action(NULL != spec, BadParameter, result = paramErr);
-
- /* convert the POSIX path to an FSRef */
- result = FSPathMakeRef(path, &ref, isDirectory);
- require_noerr(result, FSPathMakeRef);
-
- /* and then convert the FSRef to an FSSpec */
- result = FSGetCatalogInfo(&ref, kFSCatInfoNone, NULL, NULL, spec, NULL);
- require_noerr(result, FSGetCatalogInfo);
-
-FSGetCatalogInfo:
-FSPathMakeRef:
-BadParameter:
-
- return ( result );
-}
-
-/*****************************************************************************/
-
-OSErr
-UnicodeNameGetHFSName(
- UniCharCount nameLength,
- const UniChar *name,
- TextEncoding textEncodingHint,
- Boolean isVolumeName,
- Str31 hfsName)
-{
- OSStatus result;
- ByteCount unicodeByteLength;
- ByteCount unicodeBytesConverted;
- ByteCount actualPascalBytes;
- UnicodeMapping uMapping;
- UnicodeToTextInfo utInfo;
-
- /* check parameters */
- require_action(NULL != hfsName, BadParameter, result = paramErr);
-
- /* make sure output is valid in case we get errors or there's nothing to convert */
- hfsName[0] = 0;
-
- unicodeByteLength = nameLength * sizeof(UniChar);
- if ( 0 == unicodeByteLength )
- {
- /* do nothing */
- result = noErr;
- }
- else
- {
- /* if textEncodingHint is kTextEncodingUnknown, get a "default" textEncodingHint */
- if ( kTextEncodingUnknown == textEncodingHint )
- {
- ScriptCode script;
- RegionCode region;
-
- script = (ScriptCode)GetScriptManagerVariable(smSysScript);
- region = (RegionCode)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 = CreateUnicodeToTextInfo(&uMapping, &utInfo);
- require_noerr(result, CreateUnicodeToTextInfo);
-
- result = ConvertFromUnicodeToText(utInfo, unicodeByteLength, name, kUnicodeLooseMappingsMask,
- 0, NULL, 0, NULL, /* offsetCounts & offsetArrays */
- isVolumeName ? kHFSMaxVolumeNameChars : kHFSMaxFileNameChars,
- &unicodeBytesConverted, &actualPascalBytes, &hfsName[1]);
- require_noerr(result, ConvertFromUnicodeToText);
-
- hfsName[0] = (unsigned char)actualPascalBytes; /* fill in length byte */
-
-ConvertFromUnicodeToText:
-
- /* verify the result in debug builds -- there's really not anything you can do if it fails */
- verify_noerr(DisposeUnicodeToTextInfo(&utInfo));
- }
-
-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(CONST_CAST(StringPtr, 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 destVRefNum;
- UInt32 destDirID;
- FSCatalogInfo catalogInfo;
- FSRef originalDirectory;
- TextEncoding originalTextEncodingHint;
- HFSUniStr255 originalName;
- HFSUniStr255 uniqueName; /* unique name given to object while moving it to destination */
- long theSeed; /* the seed for generating unique names */
-
- /* check parameters */
- require_action(NULL != newRef, BadParameter, result = paramErr);
-
- /* newRef = input to start with */
- BlockMoveData(ref, newRef, sizeof(FSRef));
-
- /* get destDirectory's NodeFlags, vRefNum and dirID */
- result = FSGetCatalogInfo(destDirectory, kFSCatInfoNodeFlags | kFSCatInfoVolume | kFSCatInfoNodeID, &catalogInfo, NULL, NULL, NULL);
- require_noerr(result, DestinationBad);
-
- /* make sure destination is a directory */
- require_action(0 != (catalogInfo.nodeFlags & kFSNodeIsDirectoryMask), DestinationBad, result = dirNFErr);
-
- /* save destVRefNum and dirID */
- destVRefNum = catalogInfo.volume;
- destDirID = catalogInfo.nodeID;
-
- /* get ref's vRefNum, parent DirID, TextEncoding, name and parent directory */
- result = FSGetCatalogInfo(ref, kFSCatInfoTextEncoding | kFSCatInfoVolume | kFSCatInfoParentDirID, &catalogInfo, &originalName, NULL, &originalDirectory);
- require_noerr(result, SourceBad);
-
- /* save TextEncoding */
- originalTextEncodingHint = catalogInfo.textEncodingHint;
-
- /* make sure ref and destDirectory are on same volume */
- require_action(destVRefNum == catalogInfo.volume, NotSameVolume, result = diffVolErr);
-
- /* Skip a few steps if we're not renaming */
- if ( NULL != name )
- {
- /* if we are not moving, only renaming, skip some more steps */
- if ( destDirID == catalogInfo.parentDirID )
- {
- /* Rename the object to new name */
- result = FSRenameUnicode(newRef, nameLength, name, textEncodingHint, newRef);
- require_noerr(result, FSRenameUnicodeSimple);
- }
- else
- {
- /* generate a name that is unique in both directories */
- theSeed = 0x4a696d4c; /* a fine unlikely filename */
-
- result = GenerateUniqueHFSUniStr(&theSeed, &originalDirectory, destDirectory, &uniqueName);
- require_noerr(result, GenerateUniqueHFSUniStrFailed);
-
- /* Rename the object to uniqueName */
- result = FSRenameUnicode(newRef, uniqueName.length, uniqueName.unicode, kTextEncodingUnknown, newRef);
- require_noerr(result, FSRenameUnicodeBeforeMoveFailed);
-
- /* Move object to its new home */
- result = FSMoveObject(newRef, destDirectory, newRef);
- require_noerr(result, FSMoveObjectAfterRenameFailed);
-
- /* Rename the object to new name */
- result = FSRenameUnicode(newRef, nameLength, name, textEncodingHint, newRef);
- require_noerr(result, FSRenameUnicodeAfterMoveFailed);
- }
- }
- else
- {
- /* if we are not moving, skip the move call (which will fail under 9.0 through 10.1.x) and return noErr */
- if ( destDirID != catalogInfo.parentDirID )
- {
- /* Move object to its new home */
- result = FSMoveObject(newRef, destDirectory, newRef);
- require_noerr(result, FSMoveObjectNoRenameFailed);
- }
- }
-
- return ( result );
-
- /*************/
-
-/*
- * failure handling code when renaming
- */
-
-FSRenameUnicodeAfterMoveFailed:
-
- /* Error handling: move object back to original location - ignore errors */
- verify_noerr(FSMoveObject(newRef, &originalDirectory, newRef));
-
-FSMoveObjectAfterRenameFailed:
-
- /* Error handling: rename object back to original name - ignore errors */
- verify_noerr(FSRenameUnicode(newRef, originalName.length, originalName.unicode, originalTextEncodingHint, newRef));
-
-FSRenameUnicodeBeforeMoveFailed:
-GenerateUniqueHFSUniStrFailed:
-FSRenameUnicodeSimple:
-
-/*
- * 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[17] = "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);
-
- ...
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