Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -180,19 +180,42 @@
 
 	flags="-mrvl -mcpu=750 -meabi -mhard-float"
 	OBJCFLAGS="$OBJCFLAGS $flags"
 	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
 	CPPFLAGS="$CPPFLAGS -DGEKKO -I$DEVKITPRO/libogc/include"
+	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DGEKKO -I\$DEVKITPRO/libogc/include"
 	LDFLAGS="$LDFLAGS -mrvl -mcpu=750 -meabi -mhard-float"
 	LIBS="$LIBS -L$DEVKITPRO/libogc/lib/wii -lfat -logc"
 	TESTS_LIBS="$TESTS_LIBS -lwiiuse -lbte"
 	enable_shared="no"
 	enable_threads="no"	# TODO
 	with_tls="no"
 
 	AC_DEFINE(OF_WII, 1, [Whether we are compiling for Wii])
-	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DGEKKO -I\$DEVKITPRO/libogc/include"
+	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
+])
+
+AC_ARG_WITH(wii-u,
+	AS_HELP_STRING([--with-wii-u], [build for Wii U]))
+AS_IF([test x"$with_wii_u" = x"yes"], [
+	AS_IF([test x"$DEVKITPRO" = x""], [
+		AC_MSG_ERROR([DEVKITPRO is not set! Please set DEVKITPRO.])
+	])
+
+	flags="-mcpu=750 -meabi -mhard-float"
+	OBJCFLAGS="$OBJCFLAGS $flags"
+	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
+	CPPFLAGS="-isystem $DEVKITPRO/wut/include -D__WIIU__ -D__WUT__"
+	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -isystem \$DEVKITPRO/wut/include"
+	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -D__WIIU__ -D__WUT__"
+	LDFLAGS="-specs=$DEVKITPRO/wut/share/wut.specs"
+	LIBS="-L$DEVKITPRO/wut/lib -L$DEVKITPRO/wut/lib/stubs -lwut"
+	enable_shared="no"
+	enable_threads="no"	# TODO
+	enable_sockets="no"	# TODO
+
+	AC_DEFINE(OF_WII_U, 1, [Whether we are compiling for Wii U])
 	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
 ])
 
 AC_ARG_WITH(nds,
 	AS_HELP_STRING([--with-nds], [build for Nintendo DS]))
@@ -203,20 +226,20 @@
 
 	flags="-march=armv5te -mtune=arm946e-s -mthumb -mthumb-interwork"
 	OBJCFLAGS="$OBJCFLAGS $flags"
 	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
 	CPPFLAGS="$CPPFLAGS -DARM9 -I$DEVKITPRO/libnds/include"
+	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DARM9 -I\$DEVKITPRO/libnds/include"
 	ASFLAGS="$ASFLAGS -march=armv5te"
 	LDFLAGS="$LDFLAGS -specs=ds_arm9.specs"
 	LIBS="$LIBS -L$DEVKITPRO/libnds/lib -lfilesystem -lfat -lnds9"
 	enable_shared="no"
 	enable_threads="no"	# TODO
 	enable_sockets="no"	# TODO
 	check_pedantic="no"
 
 	AC_DEFINE(OF_NINTENDO_DS, 1, [Whether we are compiling for Nintendo DS])
-	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DARM9 -I\$DEVKITPRO/libnds/include"
 	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
 ])
 
 AC_ARG_WITH(3ds,
 	AS_HELP_STRING([--with-3ds], [build for Nintendo 3DS]))
@@ -228,10 +251,11 @@
 	flags="-march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft"
 	flags="$flags -mword-relocations"
 	OBJCFLAGS="$OBJCFLAGS $flags"
 	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
 	CPPFLAGS="$CPPFLAGS -DARM11 -I$DEVKITPRO/libctru/include"
+	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DARM11 -I\$DEVKITPRO/libctru/include"
 	ASFLAGS="$ASFLAGS -march=armv6k"
 	LDFLAGS="$LDFLAGS -specs=3dsx.specs -march=armv6k -mtune=mpcore"
 	LDFLAGS="$LDFLAGS -mfloat-abi=hard -mtp=soft -mword-relocations"
 	LIBS="$LIBS -L$DEVKITPRO/libctru/lib -lctru"
 	enable_shared="no"
@@ -239,11 +263,10 @@
 	with_tls="no"
 	check_pedantic="no"
 
 	AC_DEFINE(OF_NINTENDO_3DS, 1,
 		[Whether we are compiling for Nintendo 3DS])
-	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -DARM11 -I\$DEVKITPRO/libctru/include"
 	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
 ])
 
 CPP="$OBJCPP"
 CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS -DOF_COMPILING_OBJFW"

DELETED src/platform/POSIX/OFString+PathAdditions.m
Index: src/platform/POSIX/OFString+PathAdditions.m
==================================================================
--- src/platform/POSIX/OFString+PathAdditions.m
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
- *
- * All rights reserved.
- *
- * This file is part of ObjFW. It may be distributed under the terms of the
- * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
- * the packaging of this file.
- *
- * 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"
-
-#import "OFString+PathAdditions.h"
-#import "OFArray.h"
-#import "OFFileURLHandler.h"
-
-#import "OFOutOfRangeException.h"
-
-int _OFString_PathAdditions_reference;
-
-@implementation OFString (PathAdditions)
-+ (OFString *)pathWithComponents: (OFArray *)components
-{
-	OFMutableString *ret = [OFMutableString string];
-	void *pool = objc_autoreleasePoolPush();
-	bool first = true;
-
-	for (OFString *component in components) {
-		if (component.length == 0)
-			continue;
-
-		if (!first && [component isEqual: @"/"])
-			continue;
-
-		if (!first && ![ret hasSuffix: @"/"])
-			[ret appendString: @"/"];
-
-		[ret appendString: component];
-
-		first = false;
-	}
-
-	[ret makeImmutable];
-
-	objc_autoreleasePoolPop(pool);
-
-	return ret;
-}
-
-- (bool)isAbsolutePath
-{
-	return [self hasPrefix: @"/"];
-}
-
-- (OFArray *)pathComponents
-{
-	OFMutableArray OF_GENERIC(OFString *) *ret = [OFMutableArray array];
-	void *pool = objc_autoreleasePoolPush();
-	const char *cString = self.UTF8String;
-	size_t i, last = 0, cStringLength = self.UTF8StringLength;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return ret;
-	}
-
-	for (i = 0; i < cStringLength; i++) {
-		if (cString[i] == '/') {
-			if (i == 0)
-				[ret addObject: @"/"];
-			else if (i - last != 0)
-				[ret addObject: [OFString
-				    stringWithUTF8String: cString + last
-						  length: i - last]];
-
-			last = i + 1;
-		}
-	}
-	if (i - last != 0)
-		[ret addObject: [OFString stringWithUTF8String: cString + last
-							length: i - last]];
-
-	[ret makeImmutable];
-
-	objc_autoreleasePoolPop(pool);
-
-	return ret;
-}
-
-- (OFString *)lastPathComponent
-{
-	void *pool = objc_autoreleasePoolPush();
-	const char *cString = self.UTF8String;
-	size_t cStringLength = self.UTF8StringLength;
-	ssize_t i;
-	OFString *ret;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	if (cString[cStringLength - 1] == '/')
-		cStringLength--;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"/";
-	}
-
-	if (cStringLength - 1 > SSIZE_MAX)
-		@throw [OFOutOfRangeException exception];
-
-	for (i = cStringLength - 1; i >= 0; i--) {
-		if (cString[i] == '/') {
-			i++;
-			break;
-		}
-	}
-
-	/*
-	 * Only one component, but the trailing delimiter might have been
-	 * removed, so return a new string anyway.
-	 */
-	if (i < 0)
-		i = 0;
-
-	ret = [[OFString alloc] initWithUTF8String: cString + i
-					    length: cStringLength - i];
-
-	objc_autoreleasePoolPop(pool);
-
-	return [ret autorelease];
-}
-
-- (OFString *)pathExtension
-{
-	void *pool = objc_autoreleasePoolPush();
-	OFString *ret, *fileName;
-	size_t pos;
-
-	fileName = self.lastPathComponent;
-	pos = [fileName rangeOfString: @"."
-			      options: OFStringSearchBackwards].location;
-	if (pos == OFNotFound || pos == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	ret = [fileName substringFromIndex: pos + 1];
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)stringByDeletingLastPathComponent
-{
-	void *pool = objc_autoreleasePoolPush();
-	const char *cString = self.UTF8String;
-	size_t cStringLength = self.UTF8StringLength;
-	OFString *ret;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	if (cString[cStringLength - 1] == '/')
-		cStringLength--;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"/";
-	}
-
-	for (size_t i = cStringLength; i >= 1; i--) {
-		if (cString[i - 1] == '/') {
-			if (i == 1) {
-				objc_autoreleasePoolPop(pool);
-				return @"/";
-			}
-
-			ret = [[OFString alloc] initWithUTF8String: cString
-							    length: i - 1];
-
-			objc_autoreleasePoolPop(pool);
-
-			return [ret autorelease];
-		}
-	}
-
-	objc_autoreleasePoolPop(pool);
-
-	return @".";
-}
-
-- (OFString *)stringByDeletingPathExtension
-{
-	void *pool;
-	OFMutableArray OF_GENERIC(OFString *) *components;
-	OFString *ret, *fileName;
-	size_t pos;
-
-	if (self.length == 0)
-		return [[self copy] autorelease];
-
-	pool = objc_autoreleasePoolPush();
-	components = [[self.pathComponents mutableCopy] autorelease];
-	fileName = components.lastObject;
-
-	pos = [fileName rangeOfString: @"."
-			      options: OFStringSearchBackwards].location;
-	if (pos == OFNotFound || pos == 0) {
-		objc_autoreleasePoolPop(pool);
-		return [[self copy] autorelease];
-	}
-
-	fileName = [fileName substringToIndex: pos];
-	[components replaceObjectAtIndex: [components count] - 1
-			      withObject: fileName];
-
-	ret = [OFString pathWithComponents: components];
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)stringByStandardizingPath
-{
-	void *pool = objc_autoreleasePoolPush();
-	OFArray OF_GENERIC(OFString *) *components;
-	OFMutableArray OF_GENERIC(OFString *) *array;
-	OFString *ret;
-	bool done = false, startsWithSlash;
-
-	if (self.length == 0)
-		return @"";
-
-	components = self.pathComponents;
-
-	if (components.count == 1) {
-		objc_autoreleasePoolPop(pool);
-		return [[self copy] autorelease];
-	}
-
-	array = [[components mutableCopy] autorelease];
-	startsWithSlash = [self hasPrefix: @"/"];
-
-	if (startsWithSlash)
-		[array removeObjectAtIndex: 0];
-
-	while (!done) {
-		size_t length = array.count;
-
-		done = true;
-
-		for (size_t i = 0; i < length; i++) {
-			OFString *component = [array objectAtIndex: i];
-			OFString *parent =
-			    (i > 0 ? [array objectAtIndex: i - 1] : 0);
-
-			if ([component isEqual: @"."] ||
-			   component.length == 0) {
-				[array removeObjectAtIndex: i];
-
-				done = false;
-				break;
-			}
-
-			if ([component isEqual: @".."] &&
-			    parent != nil && ![parent isEqual: @".."]) {
-				[array removeObjectsInRange:
-				    OFRangeMake(i - 1, 2)];
-
-				done = false;
-				break;
-			}
-		}
-	}
-
-	if (startsWithSlash)
-		[array insertObject: @"" atIndex: 0];
-
-	if ([self hasSuffix: @"/"])
-		[array addObject: @""];
-
-	ret = [[array componentsJoinedByString: @"/"] retain];
-
-	objc_autoreleasePoolPop(pool);
-
-	return [ret autorelease];
-}
-
-- (OFString *)stringByAppendingPathComponent: (OFString *)component
-{
-	if ([self hasSuffix: @"/"])
-		return [self stringByAppendingString: component];
-	else {
-		OFMutableString *ret = [[self mutableCopy] autorelease];
-
-		[ret appendString: @"/"];
-		[ret appendString: component];
-
-		[ret makeImmutable];
-
-		return ret;
-	}
-}
-
-- (bool)of_isDirectoryPath
-{
-	return ([self hasSuffix: @"/"] ||
-	    [OFFileURLHandler of_directoryExistsAtPath: self]);
-}
-
-- (OFString *)of_pathToURLPathWithURLEncodedHost: (OFString **)URLEncodedHost
-{
-	return self;
-}
-
-- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
-{
-	OFString *path = self;
-
-	if (path.length > 1 && [path hasSuffix: @"/"])
-		path = [path substringToIndex: path.length - 1];
-
-	return path;
-}
-
-- (OFString *)of_pathComponentToURLPathComponent
-{
-	return self;
-}
-@end

DELETED src/platform/Windows/OFString+PathAdditions.m
Index: src/platform/Windows/OFString+PathAdditions.m
==================================================================
--- src/platform/Windows/OFString+PathAdditions.m
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
- *
- * All rights reserved.
- *
- * This file is part of ObjFW. It may be distributed under the terms of the
- * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
- * the packaging of this file.
- *
- * 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.
- */
-
-/*
- * This file is also used for MS-DOS and MiNT! Don't forget to #ifdef
- * Windows-specific parts!
- */
-
-#include "config.h"
-
-#import "OFString+PathAdditions.h"
-#import "OFArray.h"
-#import "OFFileURLHandler.h"
-#import "OFURL.h"
-
-#import "OFInvalidFormatException.h"
-#import "OFOutOfRangeException.h"
-
-int _OFString_PathAdditions_reference;
-
-@implementation OFString (PathAdditions)
-+ (OFString *)pathWithComponents: (OFArray *)components
-{
-	OFMutableString *ret = [OFMutableString string];
-	void *pool = objc_autoreleasePoolPush();
-	bool first = true;
-
-	for (OFString *component in components) {
-		if (component.length == 0)
-			continue;
-
-		if (!first && ![ret hasSuffix: @":"] &&
-		    ([component isEqual: @"\\"] || [component isEqual: @"/"]))
-			continue;
-
-		if (!first && ![ret hasSuffix: @"\\"] &&
-		    ![ret hasSuffix: @"/"] && ![ret hasSuffix: @":"])
-			[ret appendString: @"\\"];
-
-		[ret appendString: component];
-
-		first = false;
-	}
-
-	[ret makeImmutable];
-
-	objc_autoreleasePoolPop(pool);
-
-	return ret;
-}
-
-- (bool)isAbsolutePath
-{
-#ifdef OF_WINDOWS
-	if ([self hasPrefix: @"\\\\"])
-		return true;
-#endif
-
-	return ([self containsString: @":\\"] || [self containsString: @":/"]);
-}
-
-- (OFArray *)pathComponents
-{
-	OFMutableArray OF_GENERIC(OFString *) *ret = [OFMutableArray array];
-	void *pool = objc_autoreleasePoolPush();
-	const char *cString = self.UTF8String;
-	size_t i, last = 0, cStringLength = self.UTF8StringLength;
-	bool isUNC = false;
-
-	if (cStringLength == 0) {
-		objc_autoreleasePoolPop(pool);
-		return ret;
-	}
-
-#ifdef OF_WINDOWS
-	if ([self hasPrefix: @"\\\\"]) {
-		isUNC = true;
-		[ret addObject: @"\\\\"];
-
-		cString += 2;
-		cStringLength -= 2;
-	}
-#endif
-
-	for (i = 0; i < cStringLength; i++) {
-		if (cString[i] == '\\' || cString[i] == '/') {
-			if (i == 0)
-				[ret addObject: [OFString
-				    stringWithUTF8String: cString
-						  length: 1]];
-			else if (i - last != 0)
-				[ret addObject: [OFString
-				    stringWithUTF8String: cString + last
-						  length: i - last]];
-
-			last = i + 1;
-		} else if (!isUNC && cString[i] == ':') {
-			if (i + 1 < cStringLength &&
-			    (cString[i + 1] == '\\' || cString[i + 1] == '/'))
-				i++;
-
-			[ret addObject: [OFString
-			    stringWithUTF8String: cString + last
-					  length: i - last + 1]];
-
-			last = i + 1;
-		}
-	}
-	if (i - last != 0)
-		[ret addObject: [OFString stringWithUTF8String: cString + last
-							length: i - last]];
-
-	[ret makeImmutable];
-
-	objc_autoreleasePoolPop(pool);
-
-	return ret;
-}
-
-- (OFString *)lastPathComponent
-{
-	/*
-	 * Windows/DOS need the full parsing to determine the last path
-	 * component. This could be optimized by not creating the temporary
-	 * objects, though.
-	 */
-	void *pool = objc_autoreleasePoolPush();
-	OFString *ret = self.pathComponents.lastObject;
-
-	if (ret == nil) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)pathExtension
-{
-	void *pool = objc_autoreleasePoolPush();
-	OFString *ret, *fileName;
-	size_t pos;
-
-	fileName = self.lastPathComponent;
-	pos = [fileName rangeOfString: @"."
-			      options: OFStringSearchBackwards].location;
-	if (pos == OFNotFound || pos == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	ret = [fileName substringFromIndex: pos + 1];
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)stringByDeletingLastPathComponent
-{
-	/*
-	 * Windows/DOS need the full parsing to delete the last path component.
-	 * This could be optimized, though.
-	 */
-	void *pool = objc_autoreleasePoolPush();
-	OFArray OF_GENERIC(OFString *) *components = self.pathComponents;
-	size_t count = components.count;
-	OFString *ret;
-
-	if (count == 0) {
-		objc_autoreleasePoolPop(pool);
-		return @"";
-	}
-
-	if (count == 1) {
-		OFString *firstComponent = components.firstObject;
-
-		if ([firstComponent hasSuffix: @":"] ||
-		    [firstComponent hasSuffix: @":\\"] ||
-		    [firstComponent hasSuffix: @":/"] ||
-		    [firstComponent hasPrefix: @"\\"]) {
-			ret = [firstComponent retain];
-			objc_autoreleasePoolPop(pool);
-			return [ret autorelease];
-		}
-
-		objc_autoreleasePoolPop(pool);
-		return @".";
-	}
-
-	components = [components objectsInRange:
-	    OFRangeMake(0, components.count - 1)];
-	ret = [OFString pathWithComponents: components];
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)stringByDeletingPathExtension
-{
-	void *pool;
-	OFMutableArray OF_GENERIC(OFString *) *components;
-	OFString *ret, *fileName;
-	size_t pos;
-
-	if (self.length == 0)
-		return [[self copy] autorelease];
-
-	pool = objc_autoreleasePoolPush();
-	components = [[self.pathComponents mutableCopy] autorelease];
-	fileName = components.lastObject;
-
-	pos = [fileName rangeOfString: @"."
-			      options: OFStringSearchBackwards].location;
-	if (pos == OFNotFound || pos == 0) {
-		objc_autoreleasePoolPop(pool);
-		return [[self copy] autorelease];
-	}
-
-	fileName = [fileName substringToIndex: pos];
-	[components replaceObjectAtIndex: components.count - 1
-			      withObject: fileName];
-
-	ret = [OFString pathWithComponents: components];
-
-	[ret retain];
-	objc_autoreleasePoolPop(pool);
-	return [ret autorelease];
-}
-
-- (OFString *)stringByStandardizingPath
-{
-	void *pool = objc_autoreleasePoolPush();
-	OFArray OF_GENERIC(OFString *) *components;
-	OFMutableArray OF_GENERIC(OFString *) *array;
-	OFString *ret;
-	bool done = false;
-
-	if (self.length == 0)
-		return @"";
-
-	components = self.pathComponents;
-
-	if (components.count == 1) {
-		objc_autoreleasePoolPop(pool);
-		return [[self copy] autorelease];
-	}
-
-	array = [[components mutableCopy] autorelease];
-
-	while (!done) {
-		size_t length = array.count;
-
-		done = true;
-
-		for (size_t i = 0; i < length; i++) {
-			OFString *component = [array objectAtIndex: i];
-			OFString *parent =
-			    (i > 0 ? [array objectAtIndex: i - 1] : 0);
-
-			if ([component isEqual: @"."] ||
-			   component.length == 0) {
-				[array removeObjectAtIndex: i];
-
-				done = false;
-				break;
-			}
-
-			if ([component isEqual: @".."] && parent != nil &&
-			    ![parent isEqual: @".."] &&
-			    ![parent hasSuffix: @":"] &&
-			    ![parent hasSuffix: @":\\"] &&
-			    ![parent hasSuffix: @"://"] &&
-			    (![parent hasPrefix: @"\\"] || i != 1)) {
-				[array removeObjectsInRange:
-				    OFRangeMake(i - 1, 2)];
-
-				done = false;
-				break;
-			}
-		}
-	}
-
-	ret = [[OFString pathWithComponents: array] retain];
-
-	objc_autoreleasePoolPop(pool);
-
-	return [ret autorelease];
-}
-
-- (OFString *)stringByAppendingPathComponent: (OFString *)component
-{
-	if ([self hasSuffix: @"\\"] || [self hasSuffix: @"/"])
-		return [self stringByAppendingString: component];
-	else {
-		OFMutableString *ret = [[self mutableCopy] autorelease];
-
-		[ret appendString: @"\\"];
-		[ret appendString: component];
-
-		[ret makeImmutable];
-
-		return ret;
-	}
-}
-
-- (bool)of_isDirectoryPath
-{
-	return ([self hasSuffix: @"\\"] || [self hasSuffix: @"/"] ||
-	    [OFFileURLHandler of_directoryExistsAtPath: self]);
-}
-
-- (OFString *)of_pathToURLPathWithURLEncodedHost: (OFString **)URLEncodedHost
-{
-	OFString *path = self;
-
-	if ([path hasPrefix: @"\\\\"]) {
-		OFArray *components = path.pathComponents;
-
-		if (components.count < 2)
-			@throw [OFInvalidFormatException exception];
-
-		*URLEncodedHost = [[components objectAtIndex: 1]
-		     stringByURLEncodingWithAllowedCharacters:
-		     [OFCharacterSet URLHostAllowedCharacterSet]];
-		path = [OFString pathWithComponents: [components
-		    objectsInRange: OFRangeMake(2, components.count - 2)]];
-	}
-
-	path = [path stringByReplacingOccurrencesOfString: @"\\"
-					       withString: @"/"];
-	path = [path stringByPrependingString: @"/"];
-
-	return path;
-}
-
-- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
-{
-	OFString *path = self;
-
-	if (path.length > 1 && [path hasSuffix: @"/"] &&
-	    ![path hasSuffix: @":/"])
-		path = [path substringToIndex: path.length - 1];
-
-	path = [path substringFromIndex: 1];
-	path = [path stringByReplacingOccurrencesOfString: @"/"
-					       withString: @"\\"];
-
-	if (URLEncodedHost != nil) {
-		OFString *host = [URLEncodedHost stringByURLDecoding];
-
-		if (path.length == 0)
-			path = [OFString stringWithFormat: @"\\\\%@", host];
-		else
-			path = [OFString stringWithFormat: @"\\\\%@\\%@",
-							   host, path];
-	}
-
-	return path;
-}
-
-- (OFString *)of_pathComponentToURLPathComponent
-{
-	return [self stringByReplacingOccurrencesOfString: @"\\"
-					       withString: @"/"];
-}
-@end

ADDED   src/platform/posix/OFString+PathAdditions.m
Index: src/platform/posix/OFString+PathAdditions.m
==================================================================
--- /dev/null
+++ src/platform/posix/OFString+PathAdditions.m
@@ -0,0 +1,342 @@
+/*
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
+ *
+ * All rights reserved.
+ *
+ * This file is part of ObjFW. It may be distributed under the terms of the
+ * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
+ * the packaging of this file.
+ *
+ * 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"
+
+#import "OFString+PathAdditions.h"
+#import "OFArray.h"
+#import "OFFileURLHandler.h"
+
+#import "OFOutOfRangeException.h"
+
+int _OFString_PathAdditions_reference;
+
+@implementation OFString (PathAdditions)
++ (OFString *)pathWithComponents: (OFArray *)components
+{
+	OFMutableString *ret = [OFMutableString string];
+	void *pool = objc_autoreleasePoolPush();
+	bool first = true;
+
+	for (OFString *component in components) {
+		if (component.length == 0)
+			continue;
+
+		if (!first && [component isEqual: @"/"])
+			continue;
+
+		if (!first && ![ret hasSuffix: @"/"])
+			[ret appendString: @"/"];
+
+		[ret appendString: component];
+
+		first = false;
+	}
+
+	[ret makeImmutable];
+
+	objc_autoreleasePoolPop(pool);
+
+	return ret;
+}
+
+- (bool)isAbsolutePath
+{
+	return [self hasPrefix: @"/"];
+}
+
+- (OFArray *)pathComponents
+{
+	OFMutableArray OF_GENERIC(OFString *) *ret = [OFMutableArray array];
+	void *pool = objc_autoreleasePoolPush();
+	const char *cString = self.UTF8String;
+	size_t i, last = 0, cStringLength = self.UTF8StringLength;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return ret;
+	}
+
+	for (i = 0; i < cStringLength; i++) {
+		if (cString[i] == '/') {
+			if (i == 0)
+				[ret addObject: @"/"];
+			else if (i - last != 0)
+				[ret addObject: [OFString
+				    stringWithUTF8String: cString + last
+						  length: i - last]];
+
+			last = i + 1;
+		}
+	}
+	if (i - last != 0)
+		[ret addObject: [OFString stringWithUTF8String: cString + last
+							length: i - last]];
+
+	[ret makeImmutable];
+
+	objc_autoreleasePoolPop(pool);
+
+	return ret;
+}
+
+- (OFString *)lastPathComponent
+{
+	void *pool = objc_autoreleasePoolPush();
+	const char *cString = self.UTF8String;
+	size_t cStringLength = self.UTF8StringLength;
+	ssize_t i;
+	OFString *ret;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	if (cString[cStringLength - 1] == '/')
+		cStringLength--;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"/";
+	}
+
+	if (cStringLength - 1 > SSIZE_MAX)
+		@throw [OFOutOfRangeException exception];
+
+	for (i = cStringLength - 1; i >= 0; i--) {
+		if (cString[i] == '/') {
+			i++;
+			break;
+		}
+	}
+
+	/*
+	 * Only one component, but the trailing delimiter might have been
+	 * removed, so return a new string anyway.
+	 */
+	if (i < 0)
+		i = 0;
+
+	ret = [[OFString alloc] initWithUTF8String: cString + i
+					    length: cStringLength - i];
+
+	objc_autoreleasePoolPop(pool);
+
+	return [ret autorelease];
+}
+
+- (OFString *)pathExtension
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFString *ret, *fileName;
+	size_t pos;
+
+	fileName = self.lastPathComponent;
+	pos = [fileName rangeOfString: @"."
+			      options: OFStringSearchBackwards].location;
+	if (pos == OFNotFound || pos == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	ret = [fileName substringFromIndex: pos + 1];
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)stringByDeletingLastPathComponent
+{
+	void *pool = objc_autoreleasePoolPush();
+	const char *cString = self.UTF8String;
+	size_t cStringLength = self.UTF8StringLength;
+	OFString *ret;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	if (cString[cStringLength - 1] == '/')
+		cStringLength--;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"/";
+	}
+
+	for (size_t i = cStringLength; i >= 1; i--) {
+		if (cString[i - 1] == '/') {
+			if (i == 1) {
+				objc_autoreleasePoolPop(pool);
+				return @"/";
+			}
+
+			ret = [[OFString alloc] initWithUTF8String: cString
+							    length: i - 1];
+
+			objc_autoreleasePoolPop(pool);
+
+			return [ret autorelease];
+		}
+	}
+
+	objc_autoreleasePoolPop(pool);
+
+	return @".";
+}
+
+- (OFString *)stringByDeletingPathExtension
+{
+	void *pool;
+	OFMutableArray OF_GENERIC(OFString *) *components;
+	OFString *ret, *fileName;
+	size_t pos;
+
+	if (self.length == 0)
+		return [[self copy] autorelease];
+
+	pool = objc_autoreleasePoolPush();
+	components = [[self.pathComponents mutableCopy] autorelease];
+	fileName = components.lastObject;
+
+	pos = [fileName rangeOfString: @"."
+			      options: OFStringSearchBackwards].location;
+	if (pos == OFNotFound || pos == 0) {
+		objc_autoreleasePoolPop(pool);
+		return [[self copy] autorelease];
+	}
+
+	fileName = [fileName substringToIndex: pos];
+	[components replaceObjectAtIndex: [components count] - 1
+			      withObject: fileName];
+
+	ret = [OFString pathWithComponents: components];
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)stringByStandardizingPath
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFArray OF_GENERIC(OFString *) *components;
+	OFMutableArray OF_GENERIC(OFString *) *array;
+	OFString *ret;
+	bool done = false, startsWithSlash;
+
+	if (self.length == 0)
+		return @"";
+
+	components = self.pathComponents;
+
+	if (components.count == 1) {
+		objc_autoreleasePoolPop(pool);
+		return [[self copy] autorelease];
+	}
+
+	array = [[components mutableCopy] autorelease];
+	startsWithSlash = [self hasPrefix: @"/"];
+
+	if (startsWithSlash)
+		[array removeObjectAtIndex: 0];
+
+	while (!done) {
+		size_t length = array.count;
+
+		done = true;
+
+		for (size_t i = 0; i < length; i++) {
+			OFString *component = [array objectAtIndex: i];
+			OFString *parent =
+			    (i > 0 ? [array objectAtIndex: i - 1] : 0);
+
+			if ([component isEqual: @"."] ||
+			   component.length == 0) {
+				[array removeObjectAtIndex: i];
+
+				done = false;
+				break;
+			}
+
+			if ([component isEqual: @".."] &&
+			    parent != nil && ![parent isEqual: @".."]) {
+				[array removeObjectsInRange:
+				    OFRangeMake(i - 1, 2)];
+
+				done = false;
+				break;
+			}
+		}
+	}
+
+	if (startsWithSlash)
+		[array insertObject: @"" atIndex: 0];
+
+	if ([self hasSuffix: @"/"])
+		[array addObject: @""];
+
+	ret = [[array componentsJoinedByString: @"/"] retain];
+
+	objc_autoreleasePoolPop(pool);
+
+	return [ret autorelease];
+}
+
+- (OFString *)stringByAppendingPathComponent: (OFString *)component
+{
+	if ([self hasSuffix: @"/"])
+		return [self stringByAppendingString: component];
+	else {
+		OFMutableString *ret = [[self mutableCopy] autorelease];
+
+		[ret appendString: @"/"];
+		[ret appendString: component];
+
+		[ret makeImmutable];
+
+		return ret;
+	}
+}
+
+- (bool)of_isDirectoryPath
+{
+	return ([self hasSuffix: @"/"] ||
+	    [OFFileURLHandler of_directoryExistsAtPath: self]);
+}
+
+- (OFString *)of_pathToURLPathWithURLEncodedHost: (OFString **)URLEncodedHost
+{
+	return self;
+}
+
+- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
+{
+	OFString *path = self;
+
+	if (path.length > 1 && [path hasSuffix: @"/"])
+		path = [path substringToIndex: path.length - 1];
+
+	return path;
+}
+
+- (OFString *)of_pathComponentToURLPathComponent
+{
+	return self;
+}
+@end

ADDED   src/platform/windows/OFString+PathAdditions.m
Index: src/platform/windows/OFString+PathAdditions.m
==================================================================
--- /dev/null
+++ src/platform/windows/OFString+PathAdditions.m
@@ -0,0 +1,382 @@
+/*
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
+ *
+ * All rights reserved.
+ *
+ * This file is part of ObjFW. It may be distributed under the terms of the
+ * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
+ * the packaging of this file.
+ *
+ * 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.
+ */
+
+/*
+ * This file is also used for MS-DOS and MiNT! Don't forget to #ifdef
+ * Windows-specific parts!
+ */
+
+#include "config.h"
+
+#import "OFString+PathAdditions.h"
+#import "OFArray.h"
+#import "OFFileURLHandler.h"
+#import "OFURL.h"
+
+#import "OFInvalidFormatException.h"
+#import "OFOutOfRangeException.h"
+
+int _OFString_PathAdditions_reference;
+
+@implementation OFString (PathAdditions)
++ (OFString *)pathWithComponents: (OFArray *)components
+{
+	OFMutableString *ret = [OFMutableString string];
+	void *pool = objc_autoreleasePoolPush();
+	bool first = true;
+
+	for (OFString *component in components) {
+		if (component.length == 0)
+			continue;
+
+		if (!first && ![ret hasSuffix: @":"] &&
+		    ([component isEqual: @"\\"] || [component isEqual: @"/"]))
+			continue;
+
+		if (!first && ![ret hasSuffix: @"\\"] &&
+		    ![ret hasSuffix: @"/"] && ![ret hasSuffix: @":"])
+			[ret appendString: @"\\"];
+
+		[ret appendString: component];
+
+		first = false;
+	}
+
+	[ret makeImmutable];
+
+	objc_autoreleasePoolPop(pool);
+
+	return ret;
+}
+
+- (bool)isAbsolutePath
+{
+#ifdef OF_WINDOWS
+	if ([self hasPrefix: @"\\\\"])
+		return true;
+#endif
+
+	return ([self containsString: @":\\"] || [self containsString: @":/"]);
+}
+
+- (OFArray *)pathComponents
+{
+	OFMutableArray OF_GENERIC(OFString *) *ret = [OFMutableArray array];
+	void *pool = objc_autoreleasePoolPush();
+	const char *cString = self.UTF8String;
+	size_t i, last = 0, cStringLength = self.UTF8StringLength;
+	bool isUNC = false;
+
+	if (cStringLength == 0) {
+		objc_autoreleasePoolPop(pool);
+		return ret;
+	}
+
+#ifdef OF_WINDOWS
+	if ([self hasPrefix: @"\\\\"]) {
+		isUNC = true;
+		[ret addObject: @"\\\\"];
+
+		cString += 2;
+		cStringLength -= 2;
+	}
+#endif
+
+	for (i = 0; i < cStringLength; i++) {
+		if (cString[i] == '\\' || cString[i] == '/') {
+			if (i == 0)
+				[ret addObject: [OFString
+				    stringWithUTF8String: cString
+						  length: 1]];
+			else if (i - last != 0)
+				[ret addObject: [OFString
+				    stringWithUTF8String: cString + last
+						  length: i - last]];
+
+			last = i + 1;
+		} else if (!isUNC && cString[i] == ':') {
+			if (i + 1 < cStringLength &&
+			    (cString[i + 1] == '\\' || cString[i + 1] == '/'))
+				i++;
+
+			[ret addObject: [OFString
+			    stringWithUTF8String: cString + last
+					  length: i - last + 1]];
+
+			last = i + 1;
+		}
+	}
+	if (i - last != 0)
+		[ret addObject: [OFString stringWithUTF8String: cString + last
+							length: i - last]];
+
+	[ret makeImmutable];
+
+	objc_autoreleasePoolPop(pool);
+
+	return ret;
+}
+
+- (OFString *)lastPathComponent
+{
+	/*
+	 * Windows/DOS need the full parsing to determine the last path
+	 * component. This could be optimized by not creating the temporary
+	 * objects, though.
+	 */
+	void *pool = objc_autoreleasePoolPush();
+	OFString *ret = self.pathComponents.lastObject;
+
+	if (ret == nil) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)pathExtension
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFString *ret, *fileName;
+	size_t pos;
+
+	fileName = self.lastPathComponent;
+	pos = [fileName rangeOfString: @"."
+			      options: OFStringSearchBackwards].location;
+	if (pos == OFNotFound || pos == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	ret = [fileName substringFromIndex: pos + 1];
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)stringByDeletingLastPathComponent
+{
+	/*
+	 * Windows/DOS need the full parsing to delete the last path component.
+	 * This could be optimized, though.
+	 */
+	void *pool = objc_autoreleasePoolPush();
+	OFArray OF_GENERIC(OFString *) *components = self.pathComponents;
+	size_t count = components.count;
+	OFString *ret;
+
+	if (count == 0) {
+		objc_autoreleasePoolPop(pool);
+		return @"";
+	}
+
+	if (count == 1) {
+		OFString *firstComponent = components.firstObject;
+
+		if ([firstComponent hasSuffix: @":"] ||
+		    [firstComponent hasSuffix: @":\\"] ||
+		    [firstComponent hasSuffix: @":/"] ||
+		    [firstComponent hasPrefix: @"\\"]) {
+			ret = [firstComponent retain];
+			objc_autoreleasePoolPop(pool);
+			return [ret autorelease];
+		}
+
+		objc_autoreleasePoolPop(pool);
+		return @".";
+	}
+
+	components = [components objectsInRange:
+	    OFRangeMake(0, components.count - 1)];
+	ret = [OFString pathWithComponents: components];
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)stringByDeletingPathExtension
+{
+	void *pool;
+	OFMutableArray OF_GENERIC(OFString *) *components;
+	OFString *ret, *fileName;
+	size_t pos;
+
+	if (self.length == 0)
+		return [[self copy] autorelease];
+
+	pool = objc_autoreleasePoolPush();
+	components = [[self.pathComponents mutableCopy] autorelease];
+	fileName = components.lastObject;
+
+	pos = [fileName rangeOfString: @"."
+			      options: OFStringSearchBackwards].location;
+	if (pos == OFNotFound || pos == 0) {
+		objc_autoreleasePoolPop(pool);
+		return [[self copy] autorelease];
+	}
+
+	fileName = [fileName substringToIndex: pos];
+	[components replaceObjectAtIndex: components.count - 1
+			      withObject: fileName];
+
+	ret = [OFString pathWithComponents: components];
+
+	[ret retain];
+	objc_autoreleasePoolPop(pool);
+	return [ret autorelease];
+}
+
+- (OFString *)stringByStandardizingPath
+{
+	void *pool = objc_autoreleasePoolPush();
+	OFArray OF_GENERIC(OFString *) *components;
+	OFMutableArray OF_GENERIC(OFString *) *array;
+	OFString *ret;
+	bool done = false;
+
+	if (self.length == 0)
+		return @"";
+
+	components = self.pathComponents;
+
+	if (components.count == 1) {
+		objc_autoreleasePoolPop(pool);
+		return [[self copy] autorelease];
+	}
+
+	array = [[components mutableCopy] autorelease];
+
+	while (!done) {
+		size_t length = array.count;
+
+		done = true;
+
+		for (size_t i = 0; i < length; i++) {
+			OFString *component = [array objectAtIndex: i];
+			OFString *parent =
+			    (i > 0 ? [array objectAtIndex: i - 1] : 0);
+
+			if ([component isEqual: @"."] ||
+			   component.length == 0) {
+				[array removeObjectAtIndex: i];
+
+				done = false;
+				break;
+			}
+
+			if ([component isEqual: @".."] && parent != nil &&
+			    ![parent isEqual: @".."] &&
+			    ![parent hasSuffix: @":"] &&
+			    ![parent hasSuffix: @":\\"] &&
+			    ![parent hasSuffix: @"://"] &&
+			    (![parent hasPrefix: @"\\"] || i != 1)) {
+				[array removeObjectsInRange:
+				    OFRangeMake(i - 1, 2)];
+
+				done = false;
+				break;
+			}
+		}
+	}
+
+	ret = [[OFString pathWithComponents: array] retain];
+
+	objc_autoreleasePoolPop(pool);
+
+	return [ret autorelease];
+}
+
+- (OFString *)stringByAppendingPathComponent: (OFString *)component
+{
+	if ([self hasSuffix: @"\\"] || [self hasSuffix: @"/"])
+		return [self stringByAppendingString: component];
+	else {
+		OFMutableString *ret = [[self mutableCopy] autorelease];
+
+		[ret appendString: @"\\"];
+		[ret appendString: component];
+
+		[ret makeImmutable];
+
+		return ret;
+	}
+}
+
+- (bool)of_isDirectoryPath
+{
+	return ([self hasSuffix: @"\\"] || [self hasSuffix: @"/"] ||
+	    [OFFileURLHandler of_directoryExistsAtPath: self]);
+}
+
+- (OFString *)of_pathToURLPathWithURLEncodedHost: (OFString **)URLEncodedHost
+{
+	OFString *path = self;
+
+	if ([path hasPrefix: @"\\\\"]) {
+		OFArray *components = path.pathComponents;
+
+		if (components.count < 2)
+			@throw [OFInvalidFormatException exception];
+
+		*URLEncodedHost = [[components objectAtIndex: 1]
+		     stringByURLEncodingWithAllowedCharacters:
+		     [OFCharacterSet URLHostAllowedCharacterSet]];
+		path = [OFString pathWithComponents: [components
+		    objectsInRange: OFRangeMake(2, components.count - 2)]];
+	}
+
+	path = [path stringByReplacingOccurrencesOfString: @"\\"
+					       withString: @"/"];
+	path = [path stringByPrependingString: @"/"];
+
+	return path;
+}
+
+- (OFString *)of_URLPathToPathWithURLEncodedHost: (OFString *)URLEncodedHost
+{
+	OFString *path = self;
+
+	if (path.length > 1 && [path hasSuffix: @"/"] &&
+	    ![path hasSuffix: @":/"])
+		path = [path substringToIndex: path.length - 1];
+
+	path = [path substringFromIndex: 1];
+	path = [path stringByReplacingOccurrencesOfString: @"/"
+					       withString: @"\\"];
+
+	if (URLEncodedHost != nil) {
+		OFString *host = [URLEncodedHost stringByURLDecoding];
+
+		if (path.length == 0)
+			path = [OFString stringWithFormat: @"\\\\%@", host];
+		else
+			path = [OFString stringWithFormat: @"\\\\%@\\%@",
+							   host, path];
+	}
+
+	return path;
+}
+
+- (OFString *)of_pathComponentToURLPathComponent
+{
+	return [self stringByReplacingOccurrencesOfString: @"\\"
+					       withString: @"/"];
+}
+@end

Index: tests/Makefile
==================================================================
--- tests/Makefile
+++ tests/Makefile
@@ -5,11 +5,12 @@
 	  terminal
 
 CLEAN = EBOOT.PBP		\
 	boot.dol		\
 	${PROG_NOINST}.arm9	\
-	${PROG_NOINST}.nds
+	${PROG_NOINST}.nds	\
+	${PROG_NOINST}.rpx
 DISTCLEAN = Info.plist
 
 PROG_NOINST = tests${PROG_SUFFIX}
 STATIC_LIB_NOINST = ${TESTS_STATIC_LIB}
 SRCS = ForwardingTests.m		\
@@ -205,11 +206,14 @@
 	ndstool -c $@ -9 $< -d nds-data
 	rm -fr nds-data
 
 ${PROG_NOINST}.3dsx: ${PROG_NOINST}
 	3dsxtool $< $@
+
+${PROG_NOINST}.rpx: ${PROG_NOINST}
+	elf2rpl $< $@
 
 CPPFLAGS += -I../src -I../src/exceptions -I../src/runtime -I.. -DSTDOUT
 OBJCFLAGS_RuntimeARCTests.m = -fobjc-arc -fobjc-arc-exceptions
 LIBS := ${TESTS_LIBS} ${LIBS}
 LDFLAGS += ${MAP_LDFLAGS}
 LD = ${OBJC}