Index: src/exceptions/OFAcceptFailedException.h
==================================================================
--- src/exceptions/OFAcceptFailedException.h
+++ src/exceptions/OFAcceptFailedException.h
@@ -64,9 +64,9 @@
  * @param socket The socket which could not accept a connection
  * @param errNo The errno for the error
  * @return An initialized accept failed exception
  */
 - initWithSocket: (id)socket
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFAddressTranslationFailedException.h
==================================================================
--- src/exceptions/OFAddressTranslationFailedException.h
+++ src/exceptions/OFAddressTranslationFailedException.h
@@ -46,23 +46,23 @@
  * @param host The host for which translation was requested
  * @return A new, autoreleased address translation failed exception
  */
 + (instancetype)exceptionWithHost: (nullable OFString *)host;
 
++ (instancetype)exceptionWithError: (int)error;
 + (instancetype)exceptionWithHost: (nullable OFString *)host
 			    error: (int)error;
-+ (instancetype)exceptionWithError: (int)error;
 
 /*!
  * @brief Initializes an already allocated address translation failed exception.
  *
  * @param host The host for which translation was requested
  * @return An initialized address translation failed exception
  */
 - initWithHost: (nullable OFString *)host;
 
+- (instancetype)initWithError: (int)error;
 - (instancetype)initWithHost: (nullable OFString *)host
-		       error: (int)error;
-- (instancetype)initWithError: (int)error;
+		       error: (int)error OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFAddressTranslationFailedException.m
==================================================================
--- src/exceptions/OFAddressTranslationFailedException.m
+++ src/exceptions/OFAddressTranslationFailedException.m
@@ -48,35 +48,39 @@
 
 + (instancetype)exceptionWithHost: (OFString *)host
 {
 	return [[[self alloc] initWithHost: host] autorelease];
 }
+
++ (instancetype)exceptionWithError: (int)error
+{
+	return [[[self alloc] initWithError: error] autorelease];
+}
 
 + (instancetype)exceptionWithHost: (OFString *)host
 			    error: (int)error
 {
 	return [[[self alloc] initWithHost: host
 				     error: error] autorelease];
 }
 
-+ (instancetype)exceptionWithError: (int)error
+- init
 {
-	return [[[self alloc] initWithError: error] autorelease];
+	return [self initWithHost: nil
+			    error: 0];
 }
 
 - initWithHost: (OFString *)host
 {
-	self = [super init];
-
-	@try {
-		_host = [host copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithHost: host
+			    error: 0];
+}
+
+- (instancetype)initWithError: (int)error
+{
+	return [self initWithHost: nil
+			    error: error];
 }
 
 - (instancetype)initWithHost: (OFString *)host
 		       error: (int)error
 {
@@ -88,19 +92,10 @@
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}
 
-	return self;
-}
-
-- (instancetype)initWithError: (int)error
-{
-	self = [super init];
-
-	_error = error;
-
 	return self;
 }
 
 - (void)dealloc
 {

Index: src/exceptions/OFAlreadyConnectedException.h
==================================================================
--- src/exceptions/OFAlreadyConnectedException.h
+++ src/exceptions/OFAlreadyConnectedException.h
@@ -51,9 +51,9 @@
  * @brief Initializes an already allocated already connected exception.
  *
  * @param socket The socket which is already connected
  * @return An initialized already connected exception
  */
-- initWithSocket: (nullable id)socket;
+- initWithSocket: (nullable id)socket OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFAlreadyConnectedException.m
==================================================================
--- src/exceptions/OFAlreadyConnectedException.m
+++ src/exceptions/OFAlreadyConnectedException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithSocket: (id)socket
 {
 	return [[[self alloc] initWithSocket: socket] autorelease];
 }
+
+- init
+{
+	return [self initWithSocket: nil];
+}
 
 - initWithSocket: (id)socket
 {
 	self = [super init];
 

Index: src/exceptions/OFBindFailedException.h
==================================================================
--- src/exceptions/OFBindFailedException.h
+++ src/exceptions/OFBindFailedException.h
@@ -84,9 +84,9 @@
  * @return An initialized bind failed exception
  */
 - initWithHost: (OFString *)host
 	  port: (uint16_t)port
 	socket: (id)socket
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFChangeCurrentDirectoryPathFailedException.h
==================================================================
--- src/exceptions/OFChangeCurrentDirectoryPathFailedException.h
+++ src/exceptions/OFChangeCurrentDirectoryPathFailedException.h
@@ -65,9 +65,9 @@
  *	       changed
  * @param errNo The errno of the error that occurred
  * @return An initialized change current directory path failed exception
  */
 - initWithPath: (OFString *)path
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFChangeOwnerFailedException.h
==================================================================
--- src/exceptions/OFChangeOwnerFailedException.h
+++ src/exceptions/OFChangeOwnerFailedException.h
@@ -78,9 +78,9 @@
  * @return An initialized change owner failed exception
  */
 - initWithPath: (OFString *)path
 	 owner: (nullable OFString *)owner
 	 group: (nullable OFString *)group
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFChangePermissionsFailedException.h
==================================================================
--- src/exceptions/OFChangePermissionsFailedException.h
+++ src/exceptions/OFChangePermissionsFailedException.h
@@ -72,9 +72,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized change permissions failed exception
  */
 - initWithPath: (OFString *)path
    permissions: (uint16_t)permissions
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConditionBroadcastFailedException.h
==================================================================
--- src/exceptions/OFConditionBroadcastFailedException.h
+++ src/exceptions/OFConditionBroadcastFailedException.h
@@ -53,9 +53,10 @@
  * @brief Initializes an already allocated condition broadcast failed exception.
  *
  * @param condition The condition which could not be broadcasted
  * @return An initialized condition broadcast failed exception
  */
-- initWithCondition: (nullable OFCondition *)condition;
+- initWithCondition: (nullable OFCondition *)condition
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConditionBroadcastFailedException.m
==================================================================
--- src/exceptions/OFConditionBroadcastFailedException.m
+++ src/exceptions/OFConditionBroadcastFailedException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithCondition: (OFCondition *)condition
 {
 	return [[[self alloc] initWithCondition: condition] autorelease];
 }
+
+- init
+{
+	return [self initWithCondition: nil];
+}
 
 - initWithCondition: (OFCondition *)condition
 {
 	self = [super init];
 

Index: src/exceptions/OFConditionSignalFailedException.h
==================================================================
--- src/exceptions/OFConditionSignalFailedException.h
+++ src/exceptions/OFConditionSignalFailedException.h
@@ -53,9 +53,10 @@
  * @brief Initializes an already allocated condition signal failed exception.
  *
  * @param condition The condition which could not be signaled
  * @return An initialized condition signal failed exception
  */
-- initWithCondition: (nullable OFCondition *)condition;
+- initWithCondition: (nullable OFCondition *)condition
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConditionSignalFailedException.m
==================================================================
--- src/exceptions/OFConditionSignalFailedException.m
+++ src/exceptions/OFConditionSignalFailedException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithCondition: (OFCondition *)condition
 {
 	return [[[self alloc] initWithCondition: condition] autorelease];
 }
+
+- init
+{
+	return [self initWithCondition: nil];
+}
 
 - initWithCondition: (OFCondition *)condition
 {
 	self = [super init];
 

Index: src/exceptions/OFConditionStillWaitingException.h
==================================================================
--- src/exceptions/OFConditionStillWaitingException.h
+++ src/exceptions/OFConditionStillWaitingException.h
@@ -54,9 +54,10 @@
  * @brief Initializes an already allocated condition still waiting exception.
  *
  * @param condition The condition for which is still being waited
  * @return An initialized condition still waiting exception
  */
-- initWithCondition: (nullable OFCondition *)condition;
+- initWithCondition: (nullable OFCondition *)condition
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConditionStillWaitingException.m
==================================================================
--- src/exceptions/OFConditionStillWaitingException.m
+++ src/exceptions/OFConditionStillWaitingException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithCondition: (OFCondition *)condition
 {
 	return [[[self alloc] initWithCondition: condition] autorelease];
 }
+
+- init
+{
+	return [self initWithCondition: nil];
+}
 
 - initWithCondition: (OFCondition *)condition
 {
 	self = [super init];
 

Index: src/exceptions/OFConditionWaitFailedException.h
==================================================================
--- src/exceptions/OFConditionWaitFailedException.h
+++ src/exceptions/OFConditionWaitFailedException.h
@@ -53,9 +53,10 @@
  * @brief Initializes an already allocated condition wait failed exception.
  *
  * @param condition The condition for which could not be waited
  * @return An initialized condition wait failed exception
  */
-- initWithCondition: (nullable OFCondition *)condition;
+- initWithCondition: (nullable OFCondition *)condition
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConditionWaitFailedException.m
==================================================================
--- src/exceptions/OFConditionWaitFailedException.m
+++ src/exceptions/OFConditionWaitFailedException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithCondition: (OFCondition *)condition
 {
 	return [[[self alloc] initWithCondition: condition] autorelease];
 }
+
+- init
+{
+	return [self initWithCondition: nil];
+}
 
 - initWithCondition: (OFCondition *)condition
 {
 	self = [super init];
 

Index: src/exceptions/OFConnectionFailedException.h
==================================================================
--- src/exceptions/OFConnectionFailedException.h
+++ src/exceptions/OFConnectionFailedException.h
@@ -108,9 +108,9 @@
  * @return An initialized connection failed exception
  */
 - initWithHost: (OFString *)host
 	  port: (uint16_t)port
 	socket: (id)socket
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFConnectionFailedException.m
==================================================================
--- src/exceptions/OFConnectionFailedException.m
+++ src/exceptions/OFConnectionFailedException.m
@@ -56,22 +56,14 @@
 
 - initWithHost: (OFString *)host
 	  port: (uint16_t)port
 	socket: (id)socket
 {
-	self = [super init];
-
-	@try {
-		_host = [host copy];
-		_socket = [socket retain];
-		_port = port;
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithHost: host
+			     port: port
+			   socket: socket
+			    errNo: 0];
 }
 
 - initWithHost: (OFString *)host
 	  port: (uint16_t)port
 	socket: (id)socket

Index: src/exceptions/OFCopyItemFailedException.h
==================================================================
--- src/exceptions/OFCopyItemFailedException.h
+++ src/exceptions/OFCopyItemFailedException.h
@@ -69,9 +69,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized copy item failed exception
  */
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
-	       errNo: (int)errNo;
+	       errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFCreateDirectoryFailedException.h
==================================================================
--- src/exceptions/OFCreateDirectoryFailedException.h
+++ src/exceptions/OFCreateDirectoryFailedException.h
@@ -63,9 +63,9 @@
  *	       created
  * @param errNo The errno of the error that occurred
  * @return An initialized create directory failed exception
  */
 - initWithPath: (OFString *)path
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFCreateSymbolicLinkFailedException.h
==================================================================
--- src/exceptions/OFCreateSymbolicLinkFailedException.h
+++ src/exceptions/OFCreateSymbolicLinkFailedException.h
@@ -92,9 +92,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized create symbolic link failed exception
  */
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
-	       errNo: (int)errNo;
+	       errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFCreateSymbolicLinkFailedException.m
==================================================================
--- src/exceptions/OFCreateSymbolicLinkFailedException.m
+++ src/exceptions/OFCreateSymbolicLinkFailedException.m
@@ -50,21 +50,13 @@
 }
 
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
 {
-	self = [super init];
-
-	@try {
-		_sourcePath = [sourcePath copy];
-		_destinationPath = [destinationPath copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithSourcePath: sourcePath
+			destinationPath: destinationPath
+				  errNo: 0];
 }
 
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
 	       errNo: (int)errNo

Index: src/exceptions/OFEnumerationMutationException.h
==================================================================
--- src/exceptions/OFEnumerationMutationException.h
+++ src/exceptions/OFEnumerationMutationException.h
@@ -52,9 +52,9 @@
  * @brief Initializes an already allocated enumeration mutation exception.
  *
  * @param object The object which was mutated during enumeration
  * @return An initialized enumeration mutation exception
  */
-- initWithObject: (id)object;
+- initWithObject: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFGetOptionFailedException.h
==================================================================
--- src/exceptions/OFGetOptionFailedException.h
+++ src/exceptions/OFGetOptionFailedException.h
@@ -62,9 +62,9 @@
  * @param stream The stream for which the option could not be gotten
  * @param errNo The errno of the error that occurred
  * @return An initialized get option failed exception
  */
 - initWithStream: (OFStream *)stream
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFHTTPRequestFailedException.h
==================================================================
--- src/exceptions/OFHTTPRequestFailedException.h
+++ src/exceptions/OFHTTPRequestFailedException.h
@@ -68,9 +68,9 @@
  * @param request The HTTP request which failed
  * @param response The response for the failed HTTP request
  * @return A new HTTP request failed exception
  */
 - initWithRequest: (OFHTTPRequest *)request
-	 response: (OFHTTPResponse *)response;
+	 response: (OFHTTPResponse *)response OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFHashAlreadyCalculatedException.h
==================================================================
--- src/exceptions/OFHashAlreadyCalculatedException.h
+++ src/exceptions/OFHashAlreadyCalculatedException.h
@@ -51,9 +51,9 @@
  * @brief Initializes an already allocated hash already calculated exception.
  *
  * @param object The hash which has already been calculated
  * @return An initialized hash already calculated exception
  */
-- initWithObject: (id)object;
+- initWithObject: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFInitializationFailedException.h
==================================================================
--- src/exceptions/OFInitializationFailedException.h
+++ src/exceptions/OFInitializationFailedException.h
@@ -47,9 +47,9 @@
  * @brief Initializes an already allocated initialization failed exception.
  *
  * @param class_ The class for which initialization failed
  * @return An initialized initialization failed exception
  */
-- initWithClass: (nullable Class)class_;
+- initWithClass: (nullable Class)class_ OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFInitializationFailedException.m
==================================================================
--- src/exceptions/OFInitializationFailedException.m
+++ src/exceptions/OFInitializationFailedException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithClass: (Class)class
 {
 	return [[[self alloc] initWithClass: class] autorelease];
 }
+
+- init
+{
+	return [self initWithClass: Nil];
+}
 
 - initWithClass: (Class)class
 {
 	self = [super init];
 

Index: src/exceptions/OFInvalidJSONException.h
==================================================================
--- src/exceptions/OFInvalidJSONException.h
+++ src/exceptions/OFInvalidJSONException.h
@@ -60,9 +60,9 @@
  * @param string The string containing the invalid JSON representation
  * @param line The line in which the parsing error was encountered
  * @return An initialized invalid JSON exception
  */
 - initWithString: (nullable OFString *)string
-	    line: (size_t)line;
+	    line: (size_t)line OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFLinkFailedException.h
==================================================================
--- src/exceptions/OFLinkFailedException.h
+++ src/exceptions/OFLinkFailedException.h
@@ -89,9 +89,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized link failed exception
  */
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
-	       errNo: (int)errNo;
+	       errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFLinkFailedException.m
==================================================================
--- src/exceptions/OFLinkFailedException.m
+++ src/exceptions/OFLinkFailedException.m
@@ -50,21 +50,13 @@
 }
 
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
 {
-	self = [super init];
-
-	@try {
-		_sourcePath = [sourcePath copy];
-		_destinationPath = [destinationPath copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithSourcePath: sourcePath
+			destinationPath: destinationPath
+				  errNo: 0];
 }
 
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
 	       errNo: (int)errNo

Index: src/exceptions/OFListenFailedException.h
==================================================================
--- src/exceptions/OFListenFailedException.h
+++ src/exceptions/OFListenFailedException.h
@@ -73,9 +73,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized listen failed exception
  */
 - initWithSocket: (id)socket
 	 backLog: (int)backLog
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFLockFailedException.h
==================================================================
--- src/exceptions/OFLockFailedException.h
+++ src/exceptions/OFLockFailedException.h
@@ -47,9 +47,9 @@
  * @brief Initializes an already allocated lock failed exception.
  *
  * @param lock The lock which could not be locked
  * @return An initialized lock failed exception
  */
-- initWithLock: (nullable id <OFLocking>)lock;
+- initWithLock: (nullable id <OFLocking>)lock OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFLockFailedException.m
==================================================================
--- src/exceptions/OFLockFailedException.m
+++ src/exceptions/OFLockFailedException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithLock: (id <OFLocking>)lock
 {
 	return [[[self alloc] initWithLock: lock] autorelease];
 }
+
+- init
+{
+	return [self initWithLock: nil];
+}
 
 - initWithLock: (id <OFLocking>)lock
 {
 	self = [super init];
 

Index: src/exceptions/OFMalformedXMLException.h
==================================================================
--- src/exceptions/OFMalformedXMLException.h
+++ src/exceptions/OFMalformedXMLException.h
@@ -48,9 +48,9 @@
  * @brief Initializes an already allocated malformed XML exception.
  *
  * @param parser The parser which encountered malformed XML
  * @return An initialized malformed XML exception
  */
-- initWithParser: (nullable OFXMLParser *)parser;
+- initWithParser: (nullable OFXMLParser *)parser OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFMalformedXMLException.m
==================================================================
--- src/exceptions/OFMalformedXMLException.m
+++ src/exceptions/OFMalformedXMLException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithParser: (OFXMLParser *)parser
 {
 	return [[[self alloc] initWithParser: parser] autorelease];
 }
+
+- init
+{
+	return [self initWithParser: nil];
+}
 
 - initWithParser: (OFXMLParser *)parser
 {
 	self = [super init];
 

Index: src/exceptions/OFMemoryNotPartOfObjectException.h
==================================================================
--- src/exceptions/OFMemoryNotPartOfObjectException.h
+++ src/exceptions/OFMemoryNotPartOfObjectException.h
@@ -61,9 +61,9 @@
  * @param pointer A pointer to the memory that is not part of the object
  * @param object The object which the memory is not part of
  * @return An initialized memory not part of object exception
  */
 - initWithPointer: (void *)pointer
-	   object: (id)object;
+	   object: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFMoveItemFailedException.h
==================================================================
--- src/exceptions/OFMoveItemFailedException.h
+++ src/exceptions/OFMoveItemFailedException.h
@@ -69,9 +69,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized move item failed exception
  */
 - initWithSourcePath: (OFString *)sourcePath
      destinationPath: (OFString *)destinationPath
-	       errNo: (int)errNo;
+	       errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFNotImplementedException.h
==================================================================
--- src/exceptions/OFNotImplementedException.h
+++ src/exceptions/OFNotImplementedException.h
@@ -61,9 +61,9 @@
  * @param selector The selector which is not or not fully implemented
  * @param object The object which does not (fully) implement the selector
  * @return An initialized not implemented exception
  */
 - initWithSelector: (SEL)selector
-	    object: (id)object;
+	    object: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFNotOpenException.h
==================================================================
--- src/exceptions/OFNotOpenException.h
+++ src/exceptions/OFNotOpenException.h
@@ -49,9 +49,9 @@
  * @brief Initializes an already allocated not open exception.
  *
  * @param object The object which is not open, connected or bound
  * @return An initialized not open exception
  */
-- initWithObject: (id)object;
+- initWithObject: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFObserveFailedException.h
==================================================================
--- src/exceptions/OFObserveFailedException.h
+++ src/exceptions/OFObserveFailedException.h
@@ -62,9 +62,9 @@
  * @param observer The observer which failed to observe
  * @param errNo The errno of the error that occurred
  * @return An initialized observe failed exception
  */
 - initWithObserver: (OFKernelEventObserver *)observer
-	     errNo: (int)errNo;
+	     errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFOpenItemFailedException.h
==================================================================
--- src/exceptions/OFOpenItemFailedException.h
+++ src/exceptions/OFOpenItemFailedException.h
@@ -125,9 +125,9 @@
  * @param errNo The errno of the error that occurred
  * @return An initialized open item failed exception
  */
 - initWithPath: (OFString *)path
 	  mode: (nullable OFString *)mode
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFOpenItemFailedException.m
==================================================================
--- src/exceptions/OFOpenItemFailedException.m
+++ src/exceptions/OFOpenItemFailedException.m
@@ -60,52 +60,29 @@
 	OF_INVALID_INIT_METHOD
 }
 
 - initWithPath: (OFString *)path
 {
-	self = [super init];
-
-	@try {
-		_path = [path copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithPath: path
+			     mode: nil
+			    errNo: 0];
 }
 
 - initWithPath: (OFString *)path
 	  mode: (OFString *)mode
 {
-	self = [super init];
-
-	@try {
-		_path  = [path copy];
-		_mode  = [mode copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithPath: path
+			     mode: mode
+			    errNo: 0];
 }
 
 - initWithPath: (OFString *)path
 	 errNo: (int)errNo
 {
-	self = [super init];
-
-	@try {
-		_path  = [path copy];
-		_errNo = errNo;
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithPath: path
+			     mode: nil
+			    errNo: errNo];
 }
 
 - initWithPath: (OFString *)path
 	  mode: (OFString *)mode
 	 errNo: (int)errNo

Index: src/exceptions/OFOutOfMemoryException.h
==================================================================
--- src/exceptions/OFOutOfMemoryException.h
+++ src/exceptions/OFOutOfMemoryException.h
@@ -46,9 +46,9 @@
  * @brief Initializes an already allocated no memory exception.
  *
  * @param requestedSize The size of the memory that could not be allocated
  * @return An initialized no memory exception
  */
-- initWithRequestedSize: (size_t)requestedSize;
+- initWithRequestedSize: (size_t)requestedSize OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFOutOfMemoryException.m
==================================================================
--- src/exceptions/OFOutOfMemoryException.m
+++ src/exceptions/OFOutOfMemoryException.m
@@ -25,10 +25,15 @@
 + (instancetype)exceptionWithRequestedSize: (size_t)requestedSize
 {
 	return [[[self alloc]
 	    initWithRequestedSize: requestedSize] autorelease];
 }
+
+- init
+{
+	return [self initWithRequestedSize: 0];
+}
 
 - initWithRequestedSize: (size_t)requestedSize
 {
 	self = [super init];
 

Index: src/exceptions/OFReadOrWriteFailedException.h
==================================================================
--- src/exceptions/OFReadOrWriteFailedException.h
+++ src/exceptions/OFReadOrWriteFailedException.h
@@ -95,9 +95,9 @@
  * @param errNo The errno of the error that occurred
  * @return A new open file failed exception
  */
 -  initWithObject: (id)object
   requestedLength: (size_t)requestedLength
-	    errNo: (int)errNo;
+	    errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFReadOrWriteFailedException.m
==================================================================
--- src/exceptions/OFReadOrWriteFailedException.m
+++ src/exceptions/OFReadOrWriteFailedException.m
@@ -50,16 +50,13 @@
 }
 
 -  initWithObject: (id)object
   requestedLength: (size_t)requestedLength
 {
-	self = [super init];
-
-	_object = [object retain];
-	_requestedLength = requestedLength;
-
-	return self;
+	return [self initWithObject: object
+		    requestedLength: requestedLength
+			      errNo: 0];
 }
 
 -  initWithObject: (id)object
   requestedLength: (size_t)requestedLength
 	    errNo: (int)errNo

Index: src/exceptions/OFRemoveItemFailedException.h
==================================================================
--- src/exceptions/OFRemoveItemFailedException.h
+++ src/exceptions/OFRemoveItemFailedException.h
@@ -60,9 +60,9 @@
  * @param path The path of the item which could not be removed
  * @param errNo The errno of the error that occurred
  * @return An initialized remove item failed exception
  */
 - initWithPath: (OFString *)path
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFSandboxActivationFailedException.h
==================================================================
--- src/exceptions/OFSandboxActivationFailedException.h
+++ src/exceptions/OFSandboxActivationFailedException.h
@@ -63,9 +63,9 @@
  * @param sandbox The sandbox which could not be activated
  * @param errNo The errno of the error that occurred
  * @return An initialized sandboxing failed exception
  */
 - initWithSandbox: (OFSandbox *)sandbox
-	    errNo: (int)errNo;
+	    errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFSeekFailedException.h
==================================================================
--- src/exceptions/OFSeekFailedException.h
+++ src/exceptions/OFSeekFailedException.h
@@ -104,9 +104,9 @@
  * @return An initialized seek failed exception
  */
 - initWithStream: (OFSeekableStream *)stream
 	  offset: (of_offset_t)offset
 	  whence: (int)whence
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFSeekFailedException.m
==================================================================
--- src/exceptions/OFSeekFailedException.m
+++ src/exceptions/OFSeekFailedException.m
@@ -56,17 +56,14 @@
 
 - initWithStream: (OFSeekableStream *)stream
 	  offset: (of_offset_t)offset
 	  whence: (int)whence
 {
-	self = [super init];
-
-	_stream = [stream retain];
-	_offset = offset;
-	_whence = whence;
-
-	return self;
+	return [self initWithStream: stream
+			     offset: offset
+			     whence: whence
+			      errNo: 0];
 }
 
 - initWithStream: (OFSeekableStream *)stream
 	  offset: (of_offset_t)offset
 	  whence: (int)whence

Index: src/exceptions/OFSetOptionFailedException.h
==================================================================
--- src/exceptions/OFSetOptionFailedException.h
+++ src/exceptions/OFSetOptionFailedException.h
@@ -62,9 +62,9 @@
  * @param stream The stream for which the option could not be set
  * @param errNo The errno of the error that occurred
  * @return An initialized set option failed exception
  */
 - initWithStream: (OFStream *)stream
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFStatItemFailedException.h
==================================================================
--- src/exceptions/OFStatItemFailedException.h
+++ src/exceptions/OFStatItemFailedException.h
@@ -80,9 +80,9 @@
  *	       retrieved
  * @param errNo The errno of the error that occurred
  * @return An initialized stat item failed exception
  */
 - initWithPath: (OFString *)path
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFStatItemFailedException.m
==================================================================
--- src/exceptions/OFStatItemFailedException.m
+++ src/exceptions/OFStatItemFailedException.m
@@ -44,20 +44,12 @@
 	OF_INVALID_INIT_METHOD
 }
 
 - initWithPath: (OFString *)path
 {
-	self = [super init];
-
-	@try {
-		_path = [path copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithPath: path
+			    errNo: 0];
 }
 
 - initWithPath: (OFString *)path
 	 errNo: (int)errNo
 {

Index: src/exceptions/OFStillLockedException.h
==================================================================
--- src/exceptions/OFStillLockedException.h
+++ src/exceptions/OFStillLockedException.h
@@ -47,9 +47,9 @@
  * @brief Initializes an already allocated still locked exception.
  *
  * @param lock The lock which is still locked
  * @return An initialized still locked exception
  */
-- initWithLock: (nullable id <OFLocking>)lock;
+- initWithLock: (nullable id <OFLocking>)lock OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFStillLockedException.m
==================================================================
--- src/exceptions/OFStillLockedException.m
+++ src/exceptions/OFStillLockedException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithLock: (id <OFLocking>)lock
 {
 	return [[[self alloc] initWithLock: lock] autorelease];
 }
+
+- init
+{
+	return [self initWithLock: nil];
+}
 
 - initWithLock: (id <OFLocking>)lock
 {
 	self = [super init];
 

Index: src/exceptions/OFThreadJoinFailedException.h
==================================================================
--- src/exceptions/OFThreadJoinFailedException.h
+++ src/exceptions/OFThreadJoinFailedException.h
@@ -52,9 +52,9 @@
  * @brief Initializes an already allocated thread join failed exception.
  *
  * @param thread The thread which could not be joined
  * @return An initialized thread join failed exception
  */
-- initWithThread: (nullable OFThread *)thread;
+- initWithThread: (nullable OFThread *)thread OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFThreadJoinFailedException.m
==================================================================
--- src/exceptions/OFThreadJoinFailedException.m
+++ src/exceptions/OFThreadJoinFailedException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithThread: (OFThread *)thread
 {
 	return [[[self alloc] initWithThread: thread] autorelease];
 }
+
+- init
+{
+	return [self initWithThread: nil];
+}
 
 - initWithThread: (OFThread *)thread
 {
 	self = [super init];
 

Index: src/exceptions/OFThreadStartFailedException.h
==================================================================
--- src/exceptions/OFThreadStartFailedException.h
+++ src/exceptions/OFThreadStartFailedException.h
@@ -52,9 +52,9 @@
  * @brief Initializes an already allocated thread start failed exception.
  *
  * @param thread The thread which could not be started
  * @return An initialized thread start failed exception
  */
-- initWithThread: (nullable OFThread *)thread;
+- initWithThread: (nullable OFThread *)thread OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFThreadStartFailedException.m
==================================================================
--- src/exceptions/OFThreadStartFailedException.m
+++ src/exceptions/OFThreadStartFailedException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithThread: (OFThread *)thread
 {
 	return [[[self alloc] initWithThread: thread] autorelease];
 }
+
+- init
+{
+	return [self initWithThread: nil];
+}
 
 - initWithThread: (OFThread *)thread
 {
 	self = [super init];
 

Index: src/exceptions/OFThreadStillRunningException.h
==================================================================
--- src/exceptions/OFThreadStillRunningException.h
+++ src/exceptions/OFThreadStillRunningException.h
@@ -52,9 +52,9 @@
  * @brief Initializes an already allocated thread still running exception.
  *
  * @param thread The thread which is still running
  * @return An initialized thread still running exception
  */
-- initWithThread: (nullable OFThread *)thread;
+- initWithThread: (nullable OFThread *)thread OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFThreadStillRunningException.m
==================================================================
--- src/exceptions/OFThreadStillRunningException.m
+++ src/exceptions/OFThreadStillRunningException.m
@@ -25,10 +25,15 @@
 
 + (instancetype)exceptionWithThread: (OFThread *)thread
 {
 	return [[[self alloc] initWithThread: thread] autorelease];
 }
+
+- init
+{
+	return [self initWithThread: nil];
+}
 
 - initWithThread: (OFThread *)thread
 {
 	self = [super init];
 

Index: src/exceptions/OFUnboundNamespaceException.h
==================================================================
--- src/exceptions/OFUnboundNamespaceException.h
+++ src/exceptions/OFUnboundNamespaceException.h
@@ -66,9 +66,9 @@
  * @param namespace_ The namespace which is unbound
  * @param element The element in which the namespace was not bound
  * @return An initialized unbound namespace exception
  */
 - initWithNamespace: (OFString *)namespace_
-	    element: (OFXMLElement *)element;
+	    element: (OFXMLElement *)element OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUnboundPrefixException.h
==================================================================
--- src/exceptions/OFUnboundPrefixException.h
+++ src/exceptions/OFUnboundPrefixException.h
@@ -62,9 +62,9 @@
  * @param prefix The prefix which is unbound
  * @param parser The parser which encountered the unbound prefix
  * @return An initialized unbound prefix exception
  */
 - initWithPrefix: (OFString *)prefix
-	  parser: (OFXMLParser *)parser;
+	  parser: (OFXMLParser *)parser OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUndefinedKeyException.h
==================================================================
--- src/exceptions/OFUndefinedKeyException.h
+++ src/exceptions/OFUndefinedKeyException.h
@@ -68,11 +68,11 @@
  *
  * @return A new, autoreleased undefined key exception
  */
 + (instancetype)exceptionWithObject: (id)object
 				key: (OFString *)key
-			      value: (id)value;
+			      value: (nullable id)value;
 
 - init OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated undefined key exception.
@@ -94,9 +94,9 @@
  *
  * @return An initialized undefined key exception
  */
 - initWithObject: (id)object
 	     key: (OFString *)key
-	   value: (id)value;
+	   value: (nullable id)value OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUndefinedKeyException.m
==================================================================
--- src/exceptions/OFUndefinedKeyException.m
+++ src/exceptions/OFUndefinedKeyException.m
@@ -49,21 +49,13 @@
 }
 
 - initWithObject: (id)object
 	     key: (OFString *)key
 {
-	self = [super init];
-
-	@try {
-		_object = [object retain];
-		_key = [key copy];
-	} @catch (id e) {
-		[self release];
-		@throw e;
-	}
-
-	return self;
+	return [self initWithObject: object
+				key: key
+			      value: nil];
 }
 
 - initWithObject: (id)object
 	     key: (OFString *)key
 	   value: (id)value

Index: src/exceptions/OFUnknownXMLEntityException.h
==================================================================
--- src/exceptions/OFUnknownXMLEntityException.h
+++ src/exceptions/OFUnknownXMLEntityException.h
@@ -41,15 +41,17 @@
  * @param entityName The name of the unknown XML entity
  * @return A new, autoreleased unknown XML entity exception
  */
 + (instancetype)exceptionWithEntityName: (OFString *)entityName;
 
+- init OF_UNAVAILABLE;
+
 /*!
  * @brief Initializes an already allocated unknown XML entity exception.
  *
  * @param entityName The name of the unknown XML entity
  * @return An initialized unknown XML entity exception
  */
-- initWithEntityName: (OFString *)entityName;
+- initWithEntityName: (OFString *)entityName OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUnknownXMLEntityException.m
==================================================================
--- src/exceptions/OFUnknownXMLEntityException.m
+++ src/exceptions/OFUnknownXMLEntityException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithEntityName: (OFString *)entityName
 {
 	return [[[self alloc] initWithEntityName: entityName] autorelease];
 }
+
+- init
+{
+	OF_INVALID_INIT_METHOD
+}
 
 - initWithEntityName: (OFString *)entityName
 {
 	self = [super init];
 

Index: src/exceptions/OFUnlockFailedException.h
==================================================================
--- src/exceptions/OFUnlockFailedException.h
+++ src/exceptions/OFUnlockFailedException.h
@@ -47,9 +47,9 @@
  * @brief Initializes an already allocated unlock failed exception.
  *
  * @param lock The lock which could not be unlocked
  * @return An initialized unlock failed exception
  */
-- initWithLock: (nullable id <OFLocking>)lock;
+- initWithLock: (nullable id <OFLocking>)lock OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUnlockFailedException.m
==================================================================
--- src/exceptions/OFUnlockFailedException.m
+++ src/exceptions/OFUnlockFailedException.m
@@ -24,10 +24,15 @@
 
 + (instancetype)exceptionWithLock: (id <OFLocking>)lock
 {
 	return [[[self alloc] initWithLock: lock] autorelease];
 }
+
+- init
+{
+	return [self initWithLock: nil];
+}
 
 - initWithLock: (id <OFLocking>)lock
 {
 	self = [super init];
 

Index: src/exceptions/OFUnsupportedProtocolException.h
==================================================================
--- src/exceptions/OFUnsupportedProtocolException.h
+++ src/exceptions/OFUnsupportedProtocolException.h
@@ -54,9 +54,9 @@
  * @brief Initializes an already allocated unsupported protocol exception
  *
  * @param URL The URL whose protocol is unsupported
  * @return An initialized unsupported protocol exception
  */
-- initWithURL: (OFURL*)URL;
+- initWithURL: (OFURL*)URL OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/exceptions/OFUnsupportedVersionException.h
==================================================================
--- src/exceptions/OFUnsupportedVersionException.h
+++ src/exceptions/OFUnsupportedVersionException.h
@@ -51,9 +51,9 @@
  * @brief Initializes an already allocated unsupported protocol exception.
  *
  * @param version The version which is unsupported
  * @return An initialized unsupported version exception
  */
-- initWithVersion: (OFString *)version;
+- initWithVersion: (OFString *)version OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END