ObjFW  Check-in [4f36894ce7]

		handle.index = SIZE_MAX;

		if ((flags = parseMode([mode UTF8String],
		    &handle.append)) == -1)
			@throw [OFInvalidArgumentException exception];

		if ((handle.handle = Open([path cStringWithEncoding:
		    [OFLocalization encoding]], flags)) == 0)
		    [OFLocalization encoding]], flags)) == 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;
			case ERROR_DISK_WRITE_PROTECTED:
				errNo = EROFS;
				break;
			case ERROR_WRITE_PROTECTED:
			case ERROR_READ_PROTECTED:
				errNo = EACCES;
				break;
			default:
				errNo = 0;
				break;
			}

			@throw [OFOpenItemFailedException
			    exceptionWithPath: path
					 mode: mode];
					 mode: mode
					errNo: errNo];
		}

		[openHandles addItem: &handle.handle];
		handle.index = [openHandles count] - 1;

		if (handle.append) {
			if (Seek64(handle.handle, 0, OFFSET_END) == -1) {
				closeHandle(handle);
				@throw [OFOpenItemFailedException
				    exceptionWithPath: path
						 mode: mode];
						 mode: mode
						errNo: EIO];
			}
		}
#endif

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {
		[self release];

							    errNo: errno];
#elif defined(OF_MORPHOS)
	if (length > LONG_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = Read(_handle.handle, buffer, length)) < 0)
		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length];
						  requestedLength: length
							    errNo: EIO];
#else
	if ((ret = read(_handle, buffer, length)) < 0)
		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length
							    errNo: errno];
#endif

	if (length > LONG_MAX)
		@throw [OFOutOfRangeException exception];

	if (_handle.append) {
		if (Seek64(_handle.handle, 0, OFFSET_END) == -1)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: length];
				requestedLength: length
					  errNo: EIO];
	}

	if (Write(_handle.handle, (void *)buffer, length) != (LONG)length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length];
						   requestedLength: length
							     errNo: EIO];
#else
	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if (write(_handle, buffer, length) != (ssize_t)length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length

		ret = -1;
		break;
	}

	if (ret == -1)
		@throw [OFSeekFailedException exceptionWithStream: self
							   offset: offset
							   whence: whence];
							   whence: whence
							    errNo: EINVAL];
#endif

	_atEndOfStream = false;

	return ret;
}

#ifndef OF_WINDOWS
	DIR *dir;

	encoding = [OFLocalization encoding];

	if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)
		@throw [OFOpenItemFailedException exceptionWithPath: path
							       mode: nil
							      errNo: errno];

# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
	[readdirMutex lock];
# endif
	@try {
		for (;;) {

	    &fd)) == INVALID_HANDLE_VALUE) {
		int errNo = 0;

		if (GetLastError() == ERROR_FILE_NOT_FOUND)
			errNo = ENOENT;

		@throw [OFOpenItemFailedException exceptionWithPath: path
							       mode: nil
							      errNo: errNo];
	}

	@try {
		do {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *file;

			if (!wcscmp(fd.cFileName, L".") ||
			    !wcscmp(fd.cFileName, L".."))
				continue;

			file = [OFString stringWithUTF16String: fd.cFileName];
			[files addObject: file];

			objc_autoreleasePoolPop(pool2);
		} while (FindNextFileW(handle, &fd));

		if (GetLastError() != ERROR_NO_MORE_FILES)
			@throw [OFReadFailedException exceptionWithObject: self
							  requestedLength: 0];
							  requestedLength: 0
								    errNo: EIO];
	} @finally {
		FindClose(handle);
	}

	objc_autoreleasePoolPop(pool);
#endif

	pool = objc_autoreleasePoolPush();

	if (!CreateHardLinkW([destination UTF16String],
	    [source UTF16String], NULL))
		@throw [OFLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination];
			    destinationPath: destination
				      errNo: 0];

	objc_autoreleasePoolPop(pool);
}
#endif

#if defined(OF_HAVE_SYMLINK)
- (void)createSymbolicLinkAtPath: (OFString *)destination

	pool = objc_autoreleasePoolPush();

	if (!func_CreateSymbolicLinkW([destination UTF16String],
	    [source UTF16String], 0))
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination];
			    destinationPath: destination
				      errNo: 0];

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_HAVE_READLINK
- (OFString *)destinationOfSymbolicLinkAtPath: (OFString *)path

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

	if ((handle = CreateFileW([path UTF16String], 0,
	    (FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING,
	    FILE_FLAG_OPEN_REPARSE_POINT, NULL)) == INVALID_HANDLE_VALUE)
		@throw [OFStatItemFailedException exceptionWithPath: path];
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: 0];

	@try {
		union {
			char bytes[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
			REPARSE_DATA_BUFFER data;
		} buffer;
		DWORD size;
		wchar_t *tmp;

		if (!DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0,
		    buffer.bytes, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &size,
		    NULL))
			@throw [OFStatItemFailedException
			    exceptionWithPath: path];
			    exceptionWithPath: path
					errNo: 0];

		if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK)
			@throw [OFStatItemFailedException
			    exceptionWithPath: path];
			    exceptionWithPath: path
					errNo: 0];

#define slrb buffer.data.SymbolicLinkReparseBuffer
		tmp = slrb.PathBuffer +
		    (slrb.SubstituteNameOffset / sizeof(wchar_t));

		return [OFString
		    stringWithUTF16String: tmp

#endif

#import "OFPlugin.h"
#import "OFString.h"
#import "OFLocalization.h"

#import "OFInitializationFailedException.h"
#import "OFOpenItemFailedException.h"

typedef OFPlugin *(*init_plugin_t)(void);

of_plugin_handle_t
of_dlopen(OFString *path, int flags)
{
#ifndef OF_WINDOWS

	of_plugin_handle_t handle;
	init_plugin_t initPlugin;
	OFPlugin *plugin;

	path = [path stringByAppendingString: @PLUGIN_SUFFIX];

	if ((handle = of_dlopen(path, OF_RTLD_LAZY)) == NULL)
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
		@throw [OFOpenItemFailedException exceptionWithPath: path
							       mode: nil
							      errNo: 0];

	objc_autoreleasePoolPop(pool);

	initPlugin = (init_plugin_t)(uintptr_t)of_dlsym(handle, "init_plugin");
	if (initPlugin == (init_plugin_t)0 || (plugin = initPlugin()) == nil) {
		of_dlclose(handle);
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
	}

	plugin->_handle = handle;
	return plugin;
}

- init
{
	if (object_getClass(self) == [OFPlugin class]) {
		@try {
			[self doesNotRecognizeSelector: _cmd];
			abort();
		} @catch (id e) {
			[self release];
			@throw e;
		}

		abort();
	}

	return [super init];
}

- (void)dealloc
{

	if (!ReadFile(_readPipe[0], buffer, (DWORD)length, &ret, NULL)) {
		if (GetLastError() == ERROR_BROKEN_PIPE) {
			_atEndOfStream = true;
			return 0;
		}

		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length];
						  requestedLength: length
							    errNo: EIO];
	}
#endif

	if (ret == 0)
		_atEndOfStream = true;

	return ret;

		@throw [OFOutOfRangeException exception];

	if (_writePipe[1] == NULL)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (!WriteFile(_writePipe[1], buffer, (DWORD)length, &ret, NULL) ||
	    ret != (DWORD)length) {
		int errNo = 0;
		int errNo = EIO;

		if (GetLastError() == ERROR_BROKEN_PIPE)
			errNo = EPIPE;

		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
							     errNo: errNo];

		@throw [OFNotOpenException exceptionWithObject: self];

	if (length > LONG_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = Read(_handle, buffer, length)) < 0)
		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length];
						  requestedLength: length
							    errNo: EIO];
#endif

	if (ret == 0)
		_atEndOfStream = true;

	return ret;
}

		@throw [OFNotOpenException exceptionWithObject: self];

	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if (Write(_handle, (void *)buffer, length) != (LONG)length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length];
						   requestedLength: length
							     errNo: EIO];
#endif
}

#if !defined(OF_WINDOWS) && !defined(OF_MORPHOS)
- (int)fileDescriptorForReading
{
	return _fd;

 */

#define OF_STDIO_STREAM_WIN32_CONSOLE_M

#include "config.h"

#include <assert.h>
#include <errno.h>

#import "OFStdIOStream_Win32Console.h"
#import "OFStdIOStream+Private.h"
#import "OFString.h"
#import "OFDataArray.h"

#import "OFInvalidArgumentException.h"

		OFDataArray *rest = nil;
		size_t i = 0;

		if (!ReadConsoleW(_handle, UTF16, (DWORD)length, &UTF16Len,
		    NULL))
			@throw [OFReadFailedException
			    exceptionWithObject: self
				requestedLength: length * 2];
				requestedLength: length * 2
					  errNo: EIO];

		if (UTF16Len > 0 && _incompleteUTF16Surrogate != 0) {
			of_unichar_t c =
			    (((_incompleteUTF16Surrogate & 0x3FF) << 10) |
			    (UTF16[0] & 0x3FF)) + 0x10000;
			char UTF8[4];
			size_t UTF8Len;

			}
		}

		if (!WriteConsoleW(_handle, UTF16, UTF16Len, &written, NULL) ||
		    written != UTF16Len)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: UTF16Len * 2];
				requestedLength: UTF16Len * 2
					  errNo: EIO];

		_incompleteUTF8SurrogateLen = 0;
		i += toCopy;
	}

	tmp = [self allocMemoryWithSize: sizeof(char16_t)
				  count: length * 2];

		if (j > UINT32_MAX)
			@throw [OFOutOfRangeException exception];

		if (!WriteConsoleW(_handle, tmp, (DWORD)j, &written, NULL) ||
		    written != j)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: j * 2];
				requestedLength: j * 2
					  errNo: EIO];
	} @finally {
		[self freeMemory: tmp];
	}
}
@end

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>

#import "OFTCPSocket+SOCKS5.h"
#import "OFDataArray.h"

#import "OFConnectionFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"

	/* 5 1 0 -> no authentication */
	send_or_exception(self, _socket, request, 3);

	recv_exact(self, _socket, reply, 2);

	if (reply[0] != 5 || reply[1] != 0) {
		[self close];
		@throw [OFConnectionFailedException exceptionWithHost: host
								 port: port
							       socket: self];
		@throw [OFConnectionFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: EPROTONOSUPPORT];
	}

	/* CONNECT request */
	pool = objc_autoreleasePoolPush();
	connectRequest = [OFDataArray dataArray];

	[connectRequest addItems: request

	send_or_exception(self, _socket,
	    [connectRequest items], (int)[connectRequest count]);

	objc_autoreleasePoolPop(pool);

	recv_exact(self, _socket, reply, 4);

	if (reply[0] != 5 || reply[1] != 0 || reply[2] != 0) {
	if (reply[0] != 5 || reply[2] != 0) {
		[self close];
		@throw [OFConnectionFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: EPROTONOSUPPORT];
	}

	if (reply[1] != 0) {
		int errNo;

		[self close];

		switch (reply[1]) {
		case 0x02:
			errNo = EACCES;
			break;
		case 0x03:
			errNo = ENETUNREACH;
			break;
		case 0x04:
			errNo = EHOSTUNREACH;
			break;
		case 0x05:
			errNo = ECONNREFUSED;
			break;
		case 0x06:
			errNo = ETIMEDOUT;
			break;
		case 0x07:
			errNo = EPROTONOSUPPORT;
			break;
		case 0x08:
			errNo = EAFNOSUPPORT;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFConnectionFailedException exceptionWithHost: host
								 port: port
							       socket: self];
							       socket: self
								errNo: errNo];
	}

	/* Skip the rest of the reply */
	switch (reply[3]) {
	case 1: /* IPv4 */
		recv_exact(self, _socket, reply, 4);
		break;
	case 3: /* Domain name */
		recv_exact(self, _socket, reply, 1);
		recv_exact(self, _socket, reply, reply[0]);
		break;
	case 4: /* IPv6 */
		recv_exact(self, _socket, reply, 16);
		break;
	default:
		[self close];
		@throw [OFConnectionFailedException exceptionWithHost: host
								 port: port
							       socket: self];
		@throw [OFConnectionFailedException
		    exceptionWithHost: host
				 port: port
			       socket: self
				errNo: EPROTONOSUPPORT];
	}

	recv_exact(self, _socket, reply, 2);
}
@end

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithPath: (OFString *)path
		      permissions: (mode_t)permissions
		      permissions: (uint16_t)permissions
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
			       permissions: permissions
				     errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithPath: (OFString *)path
   permissions: (mode_t)permissions
   permissions: (uint16_t)permissions
	 errNo: (int)errNo
{
	self = [super init];

	@try {
		_path = [path copy];
		_permissions = permissions;

/*!
 * @brief Creates a new, autoreleased connection failed exception.
 *
 * @param host The host to which the connection failed
 * @param port The port on the host to which the connection failed
 * @param socket The socket which could not connect
 * @return A new, autoreleased connection failed exception
 */
+ (instancetype)exceptionWithHost: (OFString *)host
			     port: (uint16_t)port
			   socket: (id)socket;

/*!
 * @brief Creates a new, autoreleased connection failed exception.
 *
 * @param host The host to which the connection failed
 * @param port The port on the host to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased connection failed exception
 */
+ (instancetype)exceptionWithHost: (OFString *)host
			     port: (uint16_t)port
			   socket: (id)socket
			    errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param host The host to which the connection failed
 * @param port The port on the host to which the connection failed
 * @param socket The socket which could not connect
 * @return An initialized connection failed exception
 */
- initWithHost: (OFString *)host
	  port: (uint16_t)port
	socket: (id)socket;

/*!
 * @brief Initializes an already allocated connection failed exception.
 *
 * @param host The host to which the connection failed
 * @param port The port on the host to which the connection failed
 * @param socket The socket which could not connect
 * @param errNo The errno of the error that occurred

{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithHost: (OFString *)host
			     port: (uint16_t)port
			   socket: (id)socket
{
	return [[[self alloc] initWithHost: host
				      port: port
				    socket: socket] autorelease];
}

+ (instancetype)exceptionWithHost: (OFString *)host
			     port: (uint16_t)port
			   socket: (id)socket
			    errNo: (int)errNo
{
	return [[[self alloc] initWithHost: host
				      port: port
				    socket: socket
				     errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithHost: (OFString *)host
	  port: (uint16_t)port
	socket: (id)socket
{
	return [self initWithHost: host
			     port: port
			   socket: socket
			    errNo: 0];
}

- initWithHost: (OFString *)host
	  port: (uint16_t)port
	socket: (id)socket
	 errNo: (int)errNo
{
	self = [super init];

	[_socket release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"A connection to %@ on port %" @PRIu16 @" could not be "
		    @"established in socket of type %@: %@",
		    _host, _port, [_socket class], of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"A connection to %@ on port %" @PRIu16 @" could not be "
	    @"established in socket of type %@: %@",
	    _host, _port, [_socket class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"A connection to %@ on port %" @PRIu16 @" could not be "
		    @"established in socket of type %@!",
		    _host, _port, [_socket class]];
}
@end

@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased create symbolic link failed exception.
 *
 * @param sourcePath The source for the symbolic link
 * @param destinationPath The destination for the symbolic link
 * @return A new, autoreleased create symbolic link failed exception
 */
+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath;

/*!
 * @brief Creates a new, autoreleased create symbolic link failed exception.
 *
 * @param sourcePath The source for the symbolic link
 * @param destinationPath The destination for the symbolic link
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased create symbolic link failed exception
 */
+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
				  errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated create symbolic link failed
 *	  exception.
 *
 * @param sourcePath The source for the symbolic link
 * @param destinationPath The destination for the symbolic link
 * @return An initialized create symbolic link failed exception
 */
- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath;

/*!
 * @brief Initializes an already allocated create symbolic link failed
 *	  exception.
 *
 * @param sourcePath The source for the symbolic link
 * @param destinationPath The destination for the symbolic link
 * @param errNo The errno of the error that occurred

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
{
	return [[[self alloc] initWithSourcePath: sourcePath
				 destinationPath: destinationPath] autorelease];
}

+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
				  errNo: (int)errNo
{
	return [[[self alloc] initWithSourcePath: sourcePath
				 destinationPath: destinationPath
					   errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath
{
	return [self initWithSourcePath: sourcePath
			destinationPath: destinationPath
				  errNo: 0];
}

- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath
	       errNo: (int)errNo
{
	self = [super init];

	@try {

	[_destinationPath release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Failed to create symbolic link %@ with destination "
	return [OFString stringWithFormat:
	    @"Failed to create symbolic link %@ with destination %@: %@",
		    @"%@: %@", _destinationPath, _sourcePath,
		    of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to create symbolic link %@ with destination %@!",
		    _destinationPath, _sourcePath];
	    _destinationPath, _sourcePath, of_strerror(_errNo)];
}
@end

# endif
# ifndef EUSERS
#  define EUSERS WSAEUSERS
# endif
# ifndef EWOULDBLOCK
#  define EWOULDBLOCK WSAEWOULDBLOCK
# endif
extern int of_wsaerr_to_errno(int);
#endif

/*!
 * @class OFException OFException.h ObjFW/OFException.h
 *
 * @brief The base class for all exceptions in ObjFW
 *

of_strerror(int errNo)
{
	OFString *ret;
#ifdef HAVE_STRERROR_R
	char buffer[256];
#endif

	if (errNo == 0)
		return @"Unknown error";

#ifdef OF_WINDOWS
	/*
	 * These were translated from WSAE* errors to errno and thus Win32's
	 * strerror_r() does not know about them.
	 *
	 * FIXME: These could have better descriptions!
	 */

@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased link failed exception.
 *
 * @param sourcePath The source for the link
 * @param destinationPath The destination for the link
 * @return A new, autoreleased link failed exception
 */
+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath;

/*!
 * @brief Creates a new, autoreleased link failed exception.
 *
 * @param sourcePath The source for the link
 * @param destinationPath The destination for the link
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased link failed exception
 */
+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
				  errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated link failed exception.
 *
 * @param sourcePath The source for the link
 * @param destinationPath The destination for the link
 * @return An initialized link failed exception
 */
- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath;

/*!
 * @brief Initializes an already allocated link failed exception.
 *
 * @param sourcePath The source for the link
 * @param destinationPath The destination for the link
 * @param errNo The errno of the error that occurred
 * @return An initialized link failed exception

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
{
	return [[[self alloc] initWithSourcePath: sourcePath
				 destinationPath: destinationPath] autorelease];
}

+ (instancetype)exceptionWithSourcePath: (OFString *)sourcePath
			destinationPath: (OFString *)destinationPath
				  errNo: (int)errNo
{
	return [[[self alloc] initWithSourcePath: sourcePath
				 destinationPath: destinationPath
					   errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath
{
	return [self initWithSourcePath: sourcePath
			destinationPath: destinationPath
				  errNo: 0];
}

- initWithSourcePath: (OFString *)sourcePath
     destinationPath: (OFString *)destinationPath
	       errNo: (int)errNo
{
	self = [super init];

	@try {

	[_destinationPath release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
	return [OFString stringWithFormat: @"Failed to link file %@ to %@: %@",
		    @"Failed to link file %@ to %@: %@",
		    _sourcePath, _destinationPath, of_strerror(_errNo)];
	    _sourcePath, _destinationPath, of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to link file %@ to %@!",
		    _sourcePath, _destinationPath];
}
@end

@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param path A string with the path of the item tried to open
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param path A string with the path of the item tried to open
 * @param mode A string with the mode in which the item should have been opened
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (nullable OFString *)mode;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param path A string with the path of the item tried to open
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			    errNo: (int)errNo;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param path A string with the path of the item tried to open
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (nullable OFString *)mode
			    errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param path A string with the path of the item which could not be opened
 * @return An initialized open item failed exception
 */
- initWithPath: (OFString *)path;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param path A string with the path of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @return An initialized open item failed exception
 */
- initWithPath: (OFString *)path
	  mode: (nullable OFString *)mode;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param path A string with the path of the item which could not be opened
 * @param errNo The errno of the error that occurred
 * @return An initialized open item failed exception
 */
- initWithPath: (OFString *)path
	 errNo: (int)errNo;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param path A string with the path of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return An initialized open item failed exception

@synthesize path = _path, mode = _mode, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithPath: (OFString *)path
{
	return [[[self alloc] initWithPath: path] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (OFString *)mode
{
	return [[[self alloc] initWithPath: path
				      mode: mode] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
				     errNo: errNo] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (OFString *)mode
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
				      mode: mode
				     errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithPath: (OFString *)path
{
	return [self initWithPath: path
			     mode: nil
			    errNo: 0];
}

- initWithPath: (OFString *)path
	  mode: (OFString *)mode
{
	return [self initWithPath: path
			     mode: mode
			    errNo: 0];
}

- initWithPath: (OFString *)path
	 errNo: (int)errNo
{
	return [self initWithPath: path
			     mode: nil
			    errNo: errNo];
}

- initWithPath: (OFString *)path
	  mode: (OFString *)mode
	 errNo: (int)errNo
{
	self = [super init];

	@try {

	[_mode release];

	[super dealloc];
}

- (OFString *)description
{
	if (_mode != nil) {
	if (_mode != nil)
		if (_errNo != 0)
			return [OFString stringWithFormat:
			    @"Failed to open item %@ with mode %@: %@",
			    _path, _mode, of_strerror(_errNo)];
		else
			return [OFString stringWithFormat:
		return [OFString stringWithFormat:
		    @"Failed to open item %@ with mode %@: %@",
		    _path, _mode, of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
			    @"Failed to open item %@ with mode %@!",
			    _path, _mode];
	} else {
		if (_errNo != 0)
			return [OFString stringWithFormat:
			    @"Failed to open item %@: %@",
		    @"Failed to open item %@: %@", _path, of_strerror(_errNo)];
			    _path, of_strerror(_errNo)];
		else
			return [OFString stringWithFormat:
			    @"Failed to open item %@!", _path];
	}
}
}
@end

#import "OFReadFailedException.h"
#import "OFString.h"

@implementation OFReadFailedException
- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Failed to read %zu bytes from an object of type %@: %@",
		    _requestedLength, [_object class], of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"Failed to read %zu bytes from an object of type %@: %@",
	    _requestedLength, [_object class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to read %zu bytes from an object of type %@!",
		    _requestedLength, [_object class]];
}
@end

/*!
 * @brief Creates a new, autoreleased read or write failed exception.
 *
 * @param object The object from which reading or to which writing failed
 * @param requestedLength The requested length of the data that could not be
 *			  read / written
 * @return A new, autoreleased read or write failed exception
 */
+ (instancetype)exceptionWithObject: (id)object
		    requestedLength: (size_t)requestedLength;

/*!
 * @brief Creates a new, autoreleased read or write failed exception.
 *
 * @param object The object from which reading or to which writing failed
 * @param requestedLength The requested length of the data that could not be
 *			  read / written
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased read or write failed exception
 */
+ (instancetype)exceptionWithObject: (id)object
		    requestedLength: (size_t)requestedLength
			      errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated read or write failed exception.
 *
 * @param object The object from which reading or to which writing failed
 * @param requestedLength The requested length of the data that could not be
 *			  read / written
 * @return A new open file failed exception
 */
-  initWithObject: (id)object
  requestedLength: (size_t)requestedLength;

/*!
 * @brief Initializes an already allocated read or write failed exception.
 *
 * @param object The object from which reading or to which writing failed
 * @param requestedLength The requested length of the data that could not be
 *			  read / written
 * @param errNo The errno of the error that occurred

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithObject: (id)object
		    requestedLength: (size_t)requestedLength
{
	return [[[self alloc] initWithObject: object
			     requestedLength: requestedLength] autorelease];
}

+ (instancetype)exceptionWithObject: (id)object
		    requestedLength: (size_t)requestedLength
			      errNo: (int)errNo
{
	return [[[self alloc] initWithObject: object
			     requestedLength: requestedLength
				       errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

-  initWithObject: (id)object
  requestedLength: (size_t)requestedLength
{
	return [self initWithObject: object
		    requestedLength: requestedLength
			      errNo: 0];
}

-  initWithObject: (id)object
  requestedLength: (size_t)requestedLength
	    errNo: (int)errNo
{
	self = [super init];

	_object = [object retain];

	[_object release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Failed to read or write %zu bytes from / to an object of "
		    @"type %@: %@",
		    _requestedLength, [_object class], of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"Failed to read or write %zu bytes from / to an object of type "
	    @"%@: %@",
	    _requestedLength, [_object class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to read or write %zu bytes from / to an object of "
		    @"type %@!",
		    _requestedLength, [_object class]];
}
@end

/*!
 * @brief Creates a new, autoreleased seek failed exception.
 *
 * @param stream The stream for which seeking failed
 * @param offset The offset to which seeking failed
 * @param whence To what the offset is relative
 * @return A new, autoreleased seek failed exception
 */
+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence;

/*!
 * @brief Creates a new, autoreleased seek failed exception.
 *
 * @param stream The stream for which seeking failed
 * @param offset The offset to which seeking failed
 * @param whence To what the offset is relative
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased seek failed exception
 */
+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence
			      errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated seek failed exception.
 *
 * @param stream The stream for which seeking failed
 * @param offset The offset to which seeking failed
 * @param whence To what the offset is relative
 * @return An initialized seek failed exception
 */
- initWithStream: (OFSeekableStream *)stream
	  offset: (of_offset_t)offset
	  whence: (int)whence;

/*!
 * @brief Initializes an already allocated seek failed exception.
 *
 * @param stream The stream for which seeking failed
 * @param offset The offset to which seeking failed
 * @param whence To what the offset is relative
 * @param errNo The errno of the error that occurred

{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence
{
	return [[[self alloc] initWithStream: stream
				      offset: offset
				      whence: whence] autorelease];
}

+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence
			      errNo: (int)errNo
{
	return [[[self alloc] initWithStream: stream
				      offset: offset
				      whence: whence
				       errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithStream: (OFSeekableStream *)stream
	  offset: (of_offset_t)offset
	  whence: (int)whence
{
	return [self initWithStream: stream
			     offset: offset
			     whence: whence
			      errNo: 0];
}

- initWithStream: (OFSeekableStream *)stream
	  offset: (of_offset_t)offset
	  whence: (int)whence
	   errNo: (int)errNo
{
	self = [super init];

	[_stream release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Seeking failed in stream of type %@: %@",
		    [_stream class], of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"Seeking failed in stream of type %@: %@",
	    [_stream class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Seeking failed in stream of type %@!", [_stream class]];
}
@end

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased stat item failed exception.
 *
 * @param path A string with the path of the item whose status could not be
 *	       retrieved
 * @return A new, autoreleased stat item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path;

/*!
 * @brief Creates a new, autoreleased stat item failed exception.
 *
 * @param path A string with the path of the item whose status could not be
 *	       retrieved
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased stat item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			    errNo: (int)errNo;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated stat item failed exception.
 *
 * @param path A string with the path of the item whose status could not be
 *	       retrieved
 * @return An initialized stat item failed exception
 */
- initWithPath: (OFString *)path;

/*!
 * @brief Initializes an already allocated stat item failed exception.
 *
 * @param path A string with the path of the item whose status could not be
 *	       retrieved
 * @param errNo The errno of the error that occurred
 * @return An initialized stat item failed exception
 */
- initWithPath: (OFString *)path
	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

@synthesize path = _path, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithPath: (OFString *)path
{
	return [[[self alloc] initWithPath: path] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
				     errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithPath: (OFString *)path
{
	return [self initWithPath: path
			    errNo: 0];
}

- initWithPath: (OFString *)path
	 errNo: (int)errNo
{
	self = [super init];

	@try {
		_path  = [path copy];

	[_path release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Failed to stat item %@: %@", _path, of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"Failed to stat item %@: %@", _path, of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to stat item %@!", _path];
}
@end

#import "OFWriteFailedException.h"
#import "OFString.h"

@implementation OFWriteFailedException
- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Failed to write %zu bytes to an object of type %@: %@",
		    _requestedLength, [_object class], of_strerror(_errNo)];
	return [OFString stringWithFormat:
	    @"Failed to write %zu bytes to an object of type %@: %@",
	    _requestedLength, [_object class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to write %zu bytes to an object of type %@!",
		    _requestedLength, [_object class]];
}
@end