ObjFW  Diff

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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>


#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#include "unistd_wrapper.h"


#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>




#endif

#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>







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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>
#include <math.h>

#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#include "unistd_wrapper.h"

#import "platform.h"
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include <sys/time.h>
#ifdef OF_WINDOWS
# include <utime.h>
#endif

#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
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static OFMutex *passwdMutex;
#endif
#if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS)
static OFMutex *readdirMutex;
#endif

#ifdef OF_WINDOWS

static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD);
static WINAPI BOOLEAN (*func_CreateHardLinkW)(LPCWSTR, LPCWSTR,
    LPSECURITY_ATTRIBUTES);
#endif

#ifdef OF_WINDOWS
static of_time_interval_t







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static OFMutex *passwdMutex;
#endif
#if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS)
static OFMutex *readdirMutex;
#endif

#ifdef OF_WINDOWS
static int (*func__wutime64)(const wchar_t *, struct __utimbuf64 *);
static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD);
static WINAPI BOOLEAN (*func_CreateHardLinkW)(LPCWSTR, LPCWSTR,
    LPSECURITY_ATTRIBUTES);
#endif

#ifdef OF_WINDOWS
static of_time_interval_t
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		return;
	case ERROR_NOT_READY:
		errno = EBUSY;
		return;
	}

	errno = 0;












































}
#endif

static int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(OF_WINDOWS)







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		return;
	case ERROR_NOT_READY:
		errno = EBUSY;
		return;
	}

	errno = 0;
}
#endif

#ifdef OF_AMIGAOS
static void
setErrno(void)
{
	switch (IoErr()) {
	case ERROR_DELETE_PROTECTED:
	case ERROR_READ_PROTECTED:
	case ERROR_WRITE_PROTECTED:
		errno = EACCES;
		break;
	case ERROR_DISK_NOT_VALIDATED:
	case ERROR_OBJECT_IN_USE:
		errno = EBUSY;
		break;
	case ERROR_OBJECT_EXISTS:
		errno = EEXIST;
		break;
	case ERROR_DIR_NOT_FOUND:
	case ERROR_NO_MORE_ENTRIES:
	case ERROR_OBJECT_NOT_FOUND:
		errno = ENOENT;
		break;
	case ERROR_NO_FREE_STORE:
		errno = ENOMEM;
		break;
	case ERROR_DISK_FULL:
		errno = ENOSPC;
		break;
	case ERROR_DIRECTORY_NOT_EMPTY:
		errno = ENOTEMPTY;
		break;
	case ERROR_DISK_WRITE_PROTECTED:
		errno = EROFS;
		break;
	case ERROR_RENAME_ACROSS_DEVICES:
		errno = EXDEV;
		break;
	default:
		errno = 0;
		break;
	}
}
#endif

static int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(OF_WINDOWS)
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# endif
	of_time_interval_t timeInterval;
	struct Locale *locale;
	struct DateStamp *date;

	if ((lock = Lock([path cStringWithEncoding: [OFLocale encoding]],
	    SHARED_LOCK)) == 0) {
		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errno = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errno = ENOENT;
			break;
		default:
			errno = 0;
			break;
		}

		return -1;
	}

# ifdef OF_AMIGAOS4
	if ((ed = ExamineObjectTags(EX_FileLockInput, lock, TAG_END)) == NULL) {
# else
	if (!Examine(lock, &fib)) {







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# endif
	of_time_interval_t timeInterval;
	struct Locale *locale;
	struct DateStamp *date;

	if ((lock = Lock([path cStringWithEncoding: [OFLocale encoding]],
	    SHARED_LOCK)) == 0) {









		setErrno();



		return -1;
	}

# ifdef OF_AMIGAOS4
	if ((ed = ExamineObjectTags(EX_FileLockInput, lock, TAG_END)) == NULL) {
# else
	if (!Examine(lock, &fib)) {
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	passwdMutex = [[OFMutex alloc] init];
#endif
#if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS)
	readdirMutex = [[OFMutex alloc] init];
#endif

#ifdef OF_WINDOWS




	if ((module = LoadLibrary("kernel32.dll")) != NULL) {
		func_CreateSymbolicLinkW =
		    (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD))
		    GetProcAddress(module, "CreateSymbolicLinkW");
		func_CreateHardLinkW =
		    (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR,
		    LPSECURITY_ATTRIBUTES))







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	passwdMutex = [[OFMutex alloc] init];
#endif
#if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS)
	readdirMutex = [[OFMutex alloc] init];
#endif

#ifdef OF_WINDOWS
	if ((module = LoadLibrary("msvcrt.dll")) != NULL)
		func__wutime64 = (int (*)(const wchar_t *,
		    struct __utimbuf64 *))GetProcAddress(module, "_wutime64");

	if ((module = LoadLibrary("kernel32.dll")) != NULL) {
		func_CreateSymbolicLinkW =
		    (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD))
		    GetProcAddress(module, "CreateSymbolicLinkW");
		func_CreateHardLinkW =
		    (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR,
		    LPSECURITY_ATTRIBUTES))
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		setSymbolicLinkDestinationAttribute(ret, URL);
#endif

	objc_autoreleasePoolPop(pool);

	return ret;
}



















































































































- (void)of_setPOSIXPermissions: (OFNumber *)permissions
		   ofItemAtURL: (OFURL *)URL
		    attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
	uint16_t mode = permissions.uInt16Value & 0777;
	OFString *path = URL.fileSystemRepresentation;
	int status;

# ifdef OF_WINDOWS








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		setSymbolicLinkDestinationAttribute(ret, URL);
#endif

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (void)of_setLastAccessDate: (OFDate *)lastAccessDate
	 andModificationDate: (OFDate *)modificationDate
		 ofItemAtURL: (OFURL *)URL
		  attributes: (of_file_attributes_t)attributes OF_DIRECT
{
	OFString *path = URL.fileSystemRepresentation;
	of_file_attribute_key_t attributeKey = (modificationDate != nil
	    ? of_file_attribute_key_modification_date
	    : of_file_attribute_key_last_access_date);

	if (lastAccessDate == nil)
		lastAccessDate = modificationDate;
	if (modificationDate == nil)
		modificationDate = lastAccessDate;

#if defined(OF_WINDOWS)
	if (func__wutime64 != NULL) {
		struct __utimbuf64 times = {
			.actime =
			    (__time64_t)lastAccessDate.timeIntervalSince1970,
			.modtime =
			    (__time64_t)modificationDate.timeIntervalSince1970
		};

		if (func__wutime64([path UTF16String], &times) != 0)
			@throw [OFSetItemAttributesFailedException
			    exceptionWithURL: URL
				  attributes: attributes
			     failedAttribute: attributeKey
				       errNo: errno];
	} else {
		struct _utimbuf times = {
			.actime = (time_t)lastAccessDate.timeIntervalSince1970,
			.modtime =
			    (time_t)modificationDate.timeIntervalSince1970
		};
		int status;

		if ([OFSystemInfo isWindowsNT])
			status = _wutime([path UTF16String], &times);
		else
			status = _utime(
			    [path cStringWithEncoding: [OFLocale encoding]],
			    &times);

		if (status != 0)
			@throw [OFSetItemAttributesFailedException
			    exceptionWithURL: URL
				  attributes: attributes
			     failedAttribute: attributeKey
				       errNo: errno];
	}
#elif defined(OF_AMIGAOS)
	/* AmigaOS does not support access time. */
	of_time_interval_t modificationTime =
	    modificationDate.timeIntervalSince1970;
	struct Locale *locale;
	struct DateStamp date;

	modificationTime -= 252460800;	/* 1978-01-01 */

	if (modificationTime < 0)
		@throw [OFOutOfRangeException exception];

	locale = OpenLocale(NULL);
	/*
	 * FIXME: This does not take DST into account. But unfortunately, there
	 *	  is no way to figure out if DST should be in effect for the
	 *	  timestamp.
	 */
	modificationTime -= locale->loc_GMTOffset * 60.0;
	CloseLocale(locale);

	date.ds_Days = modificationTime / 86400;
	date.ds_Minute = ((LONG)modificationTime % 86400) / 60;
	date.ds_Tick = fmod(modificationTime, 60) * TICKS_PER_SECOND;

	if (!SetFileDate([path cStringWithEncoding: [OFLocale encoding]],
	    &date) != 0) {
		setErrno();

		@throw [OFSetItemAttributesFailedException
		    exceptionWithURL: URL
			  attributes: attributes
		     failedAttribute: attributeKey
			       errNo: errno];
	}
#else
	of_time_interval_t lastAccessTime =
	    lastAccessDate.timeIntervalSince1970;
	of_time_interval_t modificationTime =
	    modificationDate.timeIntervalSince1970;
	struct timeval times[2] = {
		{
			.tv_sec = (time_t)lastAccessTime,
			.tv_usec =
			    (int)((lastAccessTime - times[0].tv_sec) * 1000)
		},
		{
			.tv_sec = (time_t)modificationTime,
			.tv_usec =
			    (int)((modificationTime - times[1].tv_sec) * 1000)
		},
	};

	if (utimes([path cStringWithEncoding: [OFLocale encoding]], times) != 0)
		@throw [OFSetItemAttributesFailedException
		    exceptionWithURL: URL
			  attributes: attributes
		     failedAttribute: attributeKey
			       errNo: errno];
#endif
}

- (void)of_setPOSIXPermissions: (OFNumber *)permissions
		   ofItemAtURL: (OFURL *)URL
		    attributes: (of_file_attributes_t)attributes OF_DIRECT
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
	uint16_t mode = permissions.uInt16Value & 0777;
	OFString *path = URL.fileSystemRepresentation;
	int status;

# ifdef OF_WINDOWS
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#endif
}

- (void)of_setOwner: (OFString *)owner
	   andGroup: (OFString *)group
	ofItemAtURL: (OFURL *)URL
       attributeKey: (of_file_attribute_key_t)attributeKey
	 attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
	OFString *path = URL.fileSystemRepresentation;
	uid_t uid = -1;
	gid_t gid = -1;
	of_string_encoding_t encoding;








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#endif
}

- (void)of_setOwner: (OFString *)owner
	   andGroup: (OFString *)group
	ofItemAtURL: (OFURL *)URL
       attributeKey: (of_file_attribute_key_t)attributeKey
	 attributes: (of_file_attributes_t)attributes OF_DIRECT
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
	OFString *path = URL.fileSystemRepresentation;
	uid_t uid = -1;
	gid_t gid = -1;
	of_string_encoding_t encoding;

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	  ofItemAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator OF_GENERIC(of_file_attribute_key_t) *keyEnumerator;
	OFEnumerator *objectEnumerator;
	of_file_attribute_key_t key;
	id object;


	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![URL.scheme isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	keyEnumerator = [attributes keyEnumerator];
	objectEnumerator = [attributes objectEnumerator];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		if ([key isEqual: of_file_attribute_key_posix_permissions])



			[self of_setPOSIXPermissions: object
					 ofItemAtURL: URL
					  attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_owner])
			[self of_setOwner: object
				 andGroup: nil
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_group])
			[self of_setOwner: nil
				 andGroup: object
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
	}












	objc_autoreleasePoolPop(pool);
}

- (bool)fileExistsAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();







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	  ofItemAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator OF_GENERIC(of_file_attribute_key_t) *keyEnumerator;
	OFEnumerator *objectEnumerator;
	of_file_attribute_key_t key;
	id object;
	OFDate *lastAccessDate, *modificationDate;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![URL.scheme isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	keyEnumerator = [attributes keyEnumerator];
	objectEnumerator = [attributes objectEnumerator];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		if ([key isEqual: of_file_attribute_key_modification_date] ||
		    [key isEqual: of_file_attribute_key_last_access_date])
			continue;
		else if ([key isEqual: of_file_attribute_key_posix_permissions])
			[self of_setPOSIXPermissions: object
					 ofItemAtURL: URL
					  attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_owner])
			[self of_setOwner: object
				 andGroup: nil
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_group])
			[self of_setOwner: nil
				 andGroup: object
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
	}

	lastAccessDate = [attributes
	    objectForKey: of_file_attribute_key_last_access_date];
	modificationDate = [attributes
	    objectForKey: of_file_attribute_key_modification_date];

	if (lastAccessDate != nil || modificationDate != nil)
		[self of_setLastAccessDate: lastAccessDate
		       andModificationDate: modificationDate
			       ofItemAtURL: URL
				attributes: attributes];

	objc_autoreleasePoolPop(pool);
}

- (bool)fileExistsAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
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		    exceptionWithURL: URL
			       errNo: errno];
#elif defined(OF_AMIGAOS)
	BPTR lock;

	if ((lock = CreateDir(
	    [path cStringWithEncoding: [OFLocale encoding]])) == 0) {
		int errNo;

		switch (IoErr()) {
		case ERROR_NO_FREE_STORE:
		case ERROR_DISK_FULL:
			errNo = ENOSPC;
			break;
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_EXISTS:
			errNo = EEXIST;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		case ERROR_DISK_WRITE_PROTECTED:
			errNo = EROFS;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
			       errNo: errNo];
	}

	UnLock(lock);
#else
	if (mkdir([path cStringWithEncoding: [OFLocale encoding]], 0777) != 0)
		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL







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		    exceptionWithURL: URL
			       errNo: errno];
#elif defined(OF_AMIGAOS)
	BPTR lock;

	if ((lock = CreateDir(
	    [path cStringWithEncoding: [OFLocale encoding]])) == 0) {

		setErrno();























		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
			       errNo: errno];
	}

	UnLock(lock);
#else
	if (mkdir([path cStringWithEncoding: [OFLocale encoding]], 0777) != 0)
		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
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	}
#elif defined(OF_AMIGAOS)
	of_string_encoding_t encoding = [OFLocale encoding];
	BPTR lock;

	if ((lock = Lock([path cStringWithEncoding: encoding],
	    SHARED_LOCK)) == 0) {
		int errNo;

		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFOpenItemFailedException exceptionWithURL: URL
							      mode: nil
							     errNo: errNo];
	}

	@try {
# ifdef OF_AMIGAOS4
		struct ExamineData *ed;
		APTR context;








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	}
#elif defined(OF_AMIGAOS)
	of_string_encoding_t encoding = [OFLocale encoding];
	BPTR lock;

	if ((lock = Lock([path cStringWithEncoding: encoding],
	    SHARED_LOCK)) == 0) {

		setErrno();













		@throw [OFOpenItemFailedException exceptionWithURL: URL
							      mode: nil
							     errNo: errno];
	}

	@try {
# ifdef OF_AMIGAOS4
		struct ExamineData *ed;
		APTR context;

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			    exceptionWithURL: URL
				       errNo: errno];
#endif
	}

#ifdef OF_AMIGAOS
	if (!DeleteFile([path cStringWithEncoding: [OFLocale encoding]])) {
		int errNo;

		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		case ERROR_DISK_WRITE_PROTECTED:
			errNo = EROFS;
			break;
		case ERROR_DELETE_PROTECTED:
			errNo = EACCES;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFRemoveItemFailedException exceptionWithURL: URL
							       errNo: errNo];
	}
#endif

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS







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			    exceptionWithURL: URL
				       errNo: errno];
#endif
	}

#ifdef OF_AMIGAOS
	if (!DeleteFile([path cStringWithEncoding: [OFLocale encoding]])) {

		setErrno();



















		@throw [OFRemoveItemFailedException exceptionWithURL: URL
							       errNo: errno];
	}
#endif

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
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#ifdef OF_AMIGAOS
	of_string_encoding_t encoding = [OFLocale encoding];

	if (!Rename([source.fileSystemRepresentation
	    cStringWithEncoding: encoding],
	    [destination.fileSystemRepresentation
	    cStringWithEncoding: encoding])) {
		int errNo;

		switch (IoErr()) {
		case ERROR_RENAME_ACROSS_DEVICES:
			errNo = EXDEV;
			break;
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_EXISTS:
			errNo = EEXIST;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		case ERROR_DISK_WRITE_PROTECTED:
			errNo = EROFS;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFMoveItemFailedException
		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: errNo];
	}
#else
	int status;

# ifdef OF_WINDOWS
	if ([OFSystemInfo isWindowsNT])
		status = _wrename(source.fileSystemRepresentation.UTF16String,







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#ifdef OF_AMIGAOS
	of_string_encoding_t encoding = [OFLocale encoding];

	if (!Rename([source.fileSystemRepresentation
	    cStringWithEncoding: encoding],
	    [destination.fileSystemRepresentation
	    cStringWithEncoding: encoding])) {

		setErrno();






















		@throw [OFMoveItemFailedException
		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: errno];
	}
#else
	int status;

# ifdef OF_WINDOWS
	if ([OFSystemInfo isWindowsNT])
		status = _wrename(source.fileSystemRepresentation.UTF16String,