ObjFW  Changes On Branch 1.1

        include:
          - prefix: mingw32
            triple: i686-w64-mingw32
          - prefix: mingw64
            triple: x86_64-w64-mingw32
          - prefix: ucrt64
            triple: x86_64-w64-mingw32ucrt
    container: fedora
    steps:
    - name: Install dependencies
      run: |
        sudo dnf upgrade --refresh -y
        sudo dnf install -y ${{matrix.prefix}}-gcc ${{matrix.prefix}}-openssl clang autoconf automake make wine
    - uses: actions/checkout@v4
    - name: autogen.sh

name: macos-12
on: [push, pull_request]
jobs:
  tests:
    runs-on: macos-12
    strategy:
      matrix:
        configure_flags:
          - 
          - --disable-threads
          - --disable-threads --disable-sockets
          - --disable-threads --disable-files
          - --disable-threads --disable-sockets --disable-files
          - --disable-sockets
          - --disable-sockets --disable-files
          - --disable-files
          - --disable-shared
    steps:
    - name: Install dependencies
      run: brew install autoconf automake
    - uses: actions/checkout@v4
    - name: autogen.sh
      run: ./autogen.sh
    - name: configure
      run: ./configure ${{ matrix.configure_flags }}
    - name: make
      run: make -j$(sysctl -n hw.logicalcpu)
    - name: make check
      run: make check
    - name: make install
      run: sudo make install

    steps:
    - uses: actions/checkout@v4
    - uses: vmactions/openbsd-vm@v1
      with:
        usesh: true
        copyback: false
        prepare: |
          pkg_add autoconf-2.72p0 automake-1.16.5 gnutls pkgconf
        run: |
          ./autogen.sh
          ./configure OBJC=clang ${{ matrix.configure_flags }}
          make -j4
          make check
          make install

Legend:
 * Changes of existing features or bugfixes
 + New features

This file only contains the most significant changes.

ObjFW 1.1.6 -> ObjFW 1.1.7, 2024-08-25
 * Fixes creating OFStrings from C strings with some encodings.
 * Fixes creating an ASCII C string from an OFString that has been initialized
   by passing an instance of a custom string class.
 * Fixes OFINIFile not parsing `=` within `"` correctly.
 * OFINIFile now allows comments and pairs before the first category.
 * OFINIFile now allows # for comments.
 * Hides some private symbols in the runtime library.
 * Disables UNIX datagram sockets on Hurd as Hurd has incomplete support for
   UNIX datagram sockets.

ObjFW 1.1.5 -> ObjFW 1.1.6, 2024-08-11
 * Fixes ObjC++ with GCC.
 * Adds handling of EINTR in OFKernelEventObserver.
 * Fixes overriding / reusing stack arguments in super calls on x86.
 * Makes headers compatible with -Wunused-parameter.

ObjFW 1.1.4 -> ObjFW 1.1.5, 2024-07-06
 * Fixes MIPS32.
 * Properly hides private symbols in the runtime so they can't be used
   accidentally anymore.

ObjFW 1.1.3 -> ObjFW 1.1.4, 2024-05-22
 * Fixes ofarc failing to extract from stdin on macOS.
 * Fixes the workaround for missing blx on ARM.
 * Avoids Clang's integrated assembler on MIPS64 for .S files (as it cannot
   calcualte the offset between two labels).
 * Fixes X32 being mistaken for AMD64.

ObjFW 1.1.2 -> ObjFW 1.1.3, 2024-05-12
 * Fixes +[OFSystemInfo networkInterfaces] on NetBSD.
 * Properly hides private symbols so they can't be used accidentally anymore.
 * Adds missing documentation for various functions and macros.
 * Uses RtlGenRandom to get proper randomness on Windows now.
 * No longer uses _wutime64, which is buggy in some MinGW distributions.
 * Only uses blx on ARM if it is available now.
 * Adds a workaround for OFSubprocess tests on Windows 9x.
 * Skips symlink tests if symlinks are unavailable.

ObjFW 1.1.1 -> ObjFW 1.1.2, 2024-04-20
 * Fixes configure script on systems using BusyBox for tr.
 * Fixes compiling for Haiku.
 * Fixes -[contentsOfDirectoryAtIRI:] corrupting the stack on Solaris.
 * Fixes compiling for Wii with newer SDK.
 * Fixes missing endbr / bti.
 * Minor optimizations to ARM64 assembly.

	     OF_WEAK_UNAVAILABLE=				\
	     SIGHUP						\
	     SIGUSR1						\
	     SIGUSR2
MACRO_EXPANSION = YES
EXPAND_ONLY_PREDEF = YES
IGNORE_PREFIX = OF OF_ OT OT_
EXTRACT_STATIC = yes

Platforms
=========

ObjFW is known to work on the following platforms, but should run on many
others as well.


AmigaOS
-------

  * OS Versions: 3.1, 4.1 Final Edition Update 1
  * Architectures: m68k, PowerPC
  * Compilers: GCC 6.4.1b (amiga-gcc), GCC 8.3.0 (adtools)
  * Runtimes: ObjFW


Android
-------

  * OS Versions: 4.0.4, 4.1.2, 6.0.1
  * Architectures: ARMv6, ARMv7, ARM64
  * Compilers: Clang 3.3, Clang 3.8.0
  * Runtimes: ObjFW


Bare metal ARM Cortex-M4
------------------------

  * Architectures: ARMv7E-M
  * Compilers: Clang 3.5
  * Runtimes: ObjFW
  * Notes: Bootloader, libc (newlib) and possibly external RAM required


DOS
---

  * OS Versions: Windows XP DOS Emulation, DOSBox, MS-DOS 6.0, FreeDOS 1.2
  * Architectures: x86
  * Compilers: DJGPP GCC 4.7.3 (djdev204)
  * Runtimes: ObjFW


DragonFlyBSD
------------

  * OS Versions: 3.0, 3.3-DEVELOPMENT
  * Architectures: AMD64, x86
  * Compilers: GCC 4.4.7
  * Runtimes: ObjFW


FreeBSD
-------

  * OS Versions: 9.1-rc3, 10.0
  * Architectures: AMD64
  * Compilers: Clang 3.1, Clang 3.3
  * Runtimes: ObjFW


GNU/Hurd
--------

  * OS Versions: 0.9
  * Architectures: i686
  * Compilers: Clang 14.0.6
  * Runtimes: ObjFW


Haiku
-----

  * OS version: r1-alpha4
  * Architectures: x86
  * Compilers: Clang 3.2, GCC 4.6.3
  * Runtimes: ObjFW


HP-UX
-----

  * OS versions: 11i v1, 11i v3
  * Architectures: Itanium, PA-RISC 2.0
  * Compilers: GCC 4.7.2, GCC 7.5.0
  * Runtimes: ObjFW
  * Notes: Exception handling on Itanium in 32 bit mode is broken, you need to
           use 64 bit mode by passing `OBJC="gcc -mlp64"` to `configure`.


iOS
---

  * Architectures: ARMv7, ARM64
  * Compilers: Clang
  * Runtimes: Apple


Linux
-----

  * Architectures: Alpha, AMD64, ARMv5, ARMv6, ARMv7, ARM64, Itanium,
                   LoongArch 64, m68k, MIPS (O32), MIPS64 (N64), RISC-V 64,
                   PA-RISC, PowerPC, PowerPC 64, S390x, SuperH-4, x86
  * Compilers: Clang 3.0-18.1.1, GCC 4.6-14.1.1
  * C libraries: glibc, musl
  * Runtimes: ObjFW


macOS
-----

  * OS Versions: 10.5, 10.7-10.15, Darling
  * Architectures: AMD64, PowerPC, PowerPC64, x86
  * Compilers: Clang 3.1-10.0, Apple GCC 4.0.1 & 4.2.1
  * Runtimes: Apple, ObjFW


MiNT
----

  * OS Versions: FreeMiNT 1.19
  * Architectures: m68k
  * Runtimes: ObjFW
  * Compilers: GCC 4.6.4 (MiNT 20130415)
  * Limitations: No shared libraries, no threads


MorphOS
-------

  * OS Versions: 3.14
  * Architectures: PowerPC
  * Compilers: GCC 9.3.0
  * Runtimes: ObjFW


NetBSD
------

  * OS Versions: 5.1-9.0
  * Architectures: AMD64, ARM, ARM (big endian, BE8 mode), MIPS (O32), PowerPC,
                   SPARC, SPARC64, x86
  * Compilers: Clang 3.0-3.2, GCC 4.1.3 & 4.5.3 & 7.4.0
  * Runtimes: ObjFW


Nintendo 3DS
------------

  * OS Versions: 9.2.0-20E, 10.5.0-30E / Homebrew Channel 1.1.0
  * Architectures: ARM (EABI)
  * Compilers: GCC 5.3.0 (devkitARM release 45)
  * Runtimes: ObjFW
  * Limitations: No threads


Nintendo DS
-----------

  * Architectures: ARM (EABI)
  * Compilers: GCC 4.8.2 (devkitARM release 42)
  * Runtimes: ObjFW
  * Limitations: No threads, no sockets
  * Notes: File support requires an argv-compatible launcher (such as HBMenu)


Nintendo Switch
---------------

  * OS Versions: yuzu 1093
  * Architectures: AArch64
  * Compilers: GCC 12.1.0 (devkitA64 release 19) 
  * Runtimes: ObjFW
  * Limitations: No sockets, no shared libraries, not tested on real hardware


OpenBSD
-------

  * OS Versions: 5.2-6.7
  * Architectures: AMD64, MIPS64, PA-RISC, PowerPC, SPARC64
  * Compilers: GCC 6.3.0, Clang 4.0
  * Runtimes: ObjFW


PlayStation Portable
--------------------

  * OS Versions: 5.00 M33-4
  * Architectures: MIPS (EABI)
  * Compiler: GCC 4.6.2 (devkitPSP release 16)
  * Runtimes: ObjFW
  * Limitations: No threads, no sockets


QNX
---

  * OS Versions: 6.5.0
  * Architectures: x86
  * Compilers: GCC 4.6.1
  * Runtimes: ObjFW


Solaris
-------

  * OS Versions: OpenIndiana 2015.03, OpenIndiana 2023.04, Oracle Solaris 11.4
  * Architectures: AMD64, x86
  * Compilers: Clang 3.4.2, Clang 11.0.0, Clang 13.0.1, GCC 4.8.3, GCC 10.4.0
  * Runtimes: ObjFW


Wii
---

  * OS Versions: 4.3E / Homebrew Channel 1.1.0
  * Architectures: PowerPC
  * Compilers: GCC 4.6.3 (devkitPPC release 26)
  * Runtimes: ObjFW
  * Limitations: No threads


Wii U
-----

  * OS Versions: Cemu 12.26.2f
  * Architectures: PowerPC
  * Compilers: gcc version 12.1.0 (devkitPPC release 41)
  * Runtimes: ObjFW
  * Limitations: No files, no threads, no sockets, no shared libraries, not
                 tested on real hardware


Windows
-------

  * OS Versions: 98 SE, NT 4.0, XP, 7, 8, 8.1, 10, 11, Wine
  * Architectures: AArch64, AMD64, x86
  * Compilers: GCC 5.3.0 & 6.2.0 from msys2 (AMD64 & x86),
               Clang 3.9.0 from msys2 (x86),
               Clang 10.0 from msys2 (AMD64 & x86),
               Clang 14.0.4 from msys2 (AArch64)
  * Runtimes: ObjFW


Others
------

Basically, it should run on any POSIX system to which GCC >= 4.6 or a recent
Clang version has been ported. If not, please send an e-mail with a bug report.

If you successfully ran ObjFW on a platform not listed here, please send an
e-mail to js@nil.im so it can be added here!

If you have a platform on which ObjFW does not work, please contact me as well!


Forwarding
==========

As forwarding needs hand-written assembly for each combination of CPU
architecture, executable format and calling convention, it is only available
for the following platforms (except resolveClassMethod: and

ObjFW is a portable, lightweight framework for the Objective-C language. It
enables you to write an application in Objective-C that will run on any
platform supported by ObjFW without having to worry about differences between
operating systems or various frameworks you would otherwise need if you want to
be portable.














































































































































































It supports all modern Objective-C features when using Clang, but is also



compatible with GCC ≥ 4.6 to allow maximum portability.
































































































ObjFW is intentionally incompatible with Foundation.













































You can read more about ObjFW on its [homepage](https://objfw.nil.im),
including how to install and use it.

#!/bin/sh
set -e

# Set a version for OpenBSD
if test x"$(uname -s)" = x"OpenBSD"; then
	: ${AUTOCONF_VERSION:=2.72}
	: ${AUTOMAKE_VERSION:=1.16}
	export AUTOCONF_VERSION AUTOMAKE_VERSION
fi

aclocal -I build-aux/m4
autoconf
autoheader

AC_INIT(ObjFW, 1.1.7, js@nil.im, objfw, https://objfw.nil.im/)
AC_CONFIG_SRCDIR(src)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_MACRO_DIR(build-aux/m4)

AC_DEFINE(OBJFW_VERSION_MAJOR, 1, [The major version of ObjFW])
AC_DEFINE(OBJFW_VERSION_MINOR, 1, [The minor version of ObjFW])

AC_SUBST(BUNDLE_VERSION, 1.1.7)
AC_SUBST(BUNDLE_SHORT_VERSION, 1.1)

for i in configure.ac build-aux/m4/*; do
	AS_IF([test $i -nt configure], [
		AC_MSG_ERROR([$i is newer than configure! Run ./autogen.sh!])
	])
done

arm-*-riscos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2 -g"])
	flags="-mfloat-abi=softfp -mfpu=vfp -mlibscl"
	ASFLAGS="$ASFLAGS -mfloat-abi=softfp -mfpu=vfp"
	OBJCFLAGS="$OBJCFLAGS $flags"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
	LDFLAGS="$LDFLAGS $flags"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS $flags"

	enable_shared="no"
	enable_threads="no"
	enable_sockets="no"
	enable_files="no"
	;;
m68k-*-amigaos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O0 -g"])
	OBJCFLAGS="$OBJCFLAGS -noixemul"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
	CPPFLAGS="$CPPFLAGS -D__NO_NET_API"
	LDFLAGS="$LDFLAGS -noixemul"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -noixemul"
	LIBS="$LIBS -ldebug"
	OBJFW_LIBS="$OBJFW_LIBS -ldebug"

	enable_files="yes"	# Required for reading ENV:
	enable_shared="no"
	with_tls="no"

	AC_SUBST(LIBBASES_M, libbases.m)
	;;

	AC_SUBST(LIBBASES_M, libbases.m)
	;;
*-morphos*)
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2 -g"])
	OBJCFLAGS="$OBJCFLAGS -noixemul"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -noixemul"
	LDFLAGS="$LDFLAGS -noixemul"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -noixemul"
	LIBS="$LIBS -ldebug"
	OBJFW_LIBS="$OBJFW_LIBS -ldebug"

	enable_files="yes"	# Required for reading ENV:
	enable_shared="no"

	AC_SUBST(LIBBASES_M, libbases.m)
	;;
*-msdosdjgpp*)
	enable_shared="no"
	enable_threads="no"
	enable_sockets="no"
	;;
*-*-mingw*)
	LDFLAGS="$LDFLAGS -Wl,--allow-multiple-definition"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -Wl,--allow-multiple-definition"
	LIBS="$LIBS -lversion"
	OBJFW_LIBS="$OBJFW_LIBS -lversion"

	AC_SUBST(USE_SRCS_WINDOWS, '${SRCS_WINDOWS}')
	;;
*-psp-*)
	AS_IF([test x"$DEVKITPSP" = x""], [
		AC_MSG_ERROR([DEVKITPSP is not set! Please set DEVKITPSP.])
	])

	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2"])
	OBJCFLAGS="$OBJCFLAGS -G0"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -G0"
	CPPFLAGS="$CPPFLAGS -I$DEVKITPSP/psp/sdk/include"
	LDFLAGS="$LDFLAGS -G0"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -G0"
	tmp="-L$DEVKITPSP/psp/sdk/lib -lpspdebug -lpspdisplay -lpspge -lpspctrl"
	tmp="$tmp -lpspsdk -lc -lpspnet -lpspnet_inet -lpspnet_apctl"
	tmp="$tmp -lpspnet_resolver -lpsputility -lpspuser -lpspkernel -lgcc"
	tmp="$tmp -lpsplibc"
	LIBS="$LIBS $tmp"
	OBJFW_LIBS="$OBJFW_LIBS $tmp"
	enable_shared="no"
	enable_threads="no"	# TODO
	enable_sockets="no"	# TODO
	check_pedantic="no"

	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
	;;
hppa*-*-hpux*)
	dnl Don't default to -g: It creates errors from the assembler and breaks
	dnl exceptions.
	AS_IF([test x"$OBJCFLAGS" = x""], [OBJCFLAGS="-O2"])
	dnl HP-UX 11.11's inttypes.h defines UINTPTR_MAX etc. to nothing. GCC's
	dnl stdint.h defines those correctly, but if inttypes.h gets included
	dnl after something included stdint.h, it gets broken again. Therefore,
	dnl always include inttypes.h as the very first thing.
	dnl We need to put this into OBJCFLAGS and not CPPFLAGS as CPPFLAGS are
	dnl also used for .S files.
	OBJCFLAGS="$OBJCFLAGS -include inttypes.h"
	dnl We need -latomic for GCC's atomics to work.
	LIBS="$LIBS -latomic"
	OBJFW_LIBS="$OBJFW_LIBS -latomic"
	;;
*-*-mint*)
	enable_shared="no"
	enable_threads="no"	# TODO
	with_tls="no"
	;;
*-apple-macos*)

	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="$LDFLAGS -mrvl -mcpu=750 -meabi -mhard-float"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -mrvl -mcpu=750 -meabi -mhard-float"
	LIBS="$LIBS -L$DEVKITPRO/libogc/lib/wii -lfat -logc"
	OBJFW_LIBS="$OBJFW_LIBS -L$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])
	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])

	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="$OBJFW_CPPFLAGS -D__WIIU__ -D__WUT__"
	LDFLAGS="$LDFLAGS -specs=$DEVKITPRO/wut/share/wut.specs"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -specs=$DEVKITPRO/wut/share/wut.specs"
	tmp="-L$DEVKITPRO/wut/lib -L$DEVKITPRO/wut/lib/stubs -lwut"
	LIBS="$LIBS $tmp"
	OBJFW_LIBS="$OBJFW_LIBS $tmp"
	enable_files="no"	# TODO
	enable_shared="no"	# TODO
	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'])

	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"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -specs=ds_arm9.specs"
	tmp="-L$DEVKITPRO/libnds/lib -lfilesystem -lfat -lnds9"
	LIBS="$LIBS $tmp"
	OBJFW_LIBS="$OBJFW_LIBS $tmp"
	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])
	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])

	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="$ASFLAGS -march=armv6k"
	tmp="-specs=3dsx.specs -march=armv6k -mtune=mpcore -mfloat-abi=hard"
	tmp="$tmp -mtp=soft -mword-relocations"
	LDFLAGS="$LDFLAGS $tmp"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS $tmp"
	LIBS="$LIBS -L$DEVKITPRO/libctru/lib -lctru"
	OBJFW_LIBS="$OBJFW_LIBS -L$DEVKITPRO/libctru/lib -lctru"
	enable_shared="no"
	enable_threads="no"	# TODO
	with_tls="no"
	check_pedantic="no"

	AC_DEFINE(OF_NINTENDO_3DS, 1,
		[Whether we are compiling for Nintendo 3DS])

	flags="-march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE"
	OBJCFLAGS="$OBJCFLAGS $flags"
	OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
	CPPFLAGS="$CPPFLAGS -D__SWITCH__ -I$DEVKITPRO/libnx/include"
	OBJFW_CPPFLAGS="$OBJFW_CPPFLAGS -D__SWITCH__ -I$DEVKITPRO/libnx/include"
	ASFLAGS="$ASFLAGS $flags"
	LDFLAGS="$LDFLAGS -specs=$DEVKITPRO/libnx/switch.specs $flags"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS -specs=$DEVKITPRO/libnx/switch.specs"
	OBJFW_LDFLAGS="$OBJFW_LDFLAGS $flags"
	LIBS="$LIBS -L$DEVKITPRO/libnx/lib -lnx"
	OBJFW_LIBS="$OBJFW_LIBS -L$DEVKITPRO/libnx/lib -lnx"
	enable_shared="no"
	enable_threads="yes"
	enable_sockets="no"	# TODO
	check_pedantic="no"

	AC_DEFINE(OF_NINTENDO_SWITCH, 1,
		[Whether we are compiling for Nintendo Switch])
])

CPP="$OBJCPP"
CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS -DOF_COMPILING_OBJFW"
flags="-fexceptions -fobjc-exceptions -funwind-tables"
flags="$flags -fconstant-string-class=OFConstantString"
OBJCFLAGS="$OBJCFLAGS -Wall $flags"
OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flags"
dnl amiga-gcc requires -fexceptions in LDFLAGS in order to link in the glue code
dnl for registering the frames.
LDFLAGS="$LDFLAGS -fexceptions"
OBJFW_LDFLAGS="$OBJFW_LDFLAGS -fexceptions"

case "$OBJC" in
*clang*)
	case "$host" in
	mips*-*-*)
		dnl Clang generates MIPS assembly not accepted by GNU as,
		dnl however, Clang's integrated assembler doesn't accept
		dnl everything used in ObjFW's assembly files. Therefore, use
		dnl the integrated assembler for ObjC files, but not for
		dnl assembly files.
		ASFLAGS="$ASFLAGS -no-integrated-as"
		OBJCFLAGS="$OBJCFLAGS -integrated-as"
		OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS -integrated-as"
		;;
	i?86-*-darwin* | x86_64-*-darwin*)
		dnl Don't use -no-integrated-as on Darwin. It breaks building
		dnl for the iOS simulator.
		;;

	], [
		AC_MSG_RESULT(exceptions unavailable!)
		AC_MSG_ERROR([Exceptions not accepted by compiler!])
	])

	AC_SEARCH_LIBS($raise_exception, [c++abi gcc_s gcc unwind], [
		dnl c++abi requires pthread on OpenBSD
		AS_IF([test x"$ac_lib" = x"c++abi"], [
			LIBS="$LIBS -lpthread"
			OBJFW_LIBS="$OBJFW_LIBS -lpthread"
		])
	], [
		AC_MSG_ERROR([$raise_exception missing!])
	], [-lpthread])

	AC_CHECK_FUNCS(_Unwind_GetDataRelBase _Unwind_GetTextRelBase)
	;;
"Apple runtime")

case "$host_os" in
darwin*)
	AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"])
	AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
		AC_SUBST(REEXPORT_RUNTIME, ["-Wl,-reexport-lobjc"])
		AC_SUBST(REEXPORT_RUNTIME_FRAMEWORK, ["-Wl,-reexport-lobjc"])
		LDFLAGS="$LDFLAGS -Wl,-U,_NSFoundationVersionNumber"
		OBJFW_LDFLAGS="$OBJFW_LDFLAGS -Wl,-U,_NSFoundationVersionNumber"
	])

	AS_IF([test x"$objc_runtime" = x"ObjFW runtime"], [
		AS_IF([test x"$exception_type" = x"DWARF"], [
			tmp="-Wl,-U,___gxx_personality_v0"
			LDFLAGS="$LDFLAGS $tmp"
			OBJFW_LDFLAGS="$OBJFW_LDFLAGS $tmp"
		])
		AS_IF([test x"$exception_type" = x"SjLj"], [
			tmp="-Wl,-U,___gxx_personality_sj0"
			LDFLAGS="$LDFLAGS $tmp"
			OBJFW_LDFLAGS="$OBJFW_LDFLAGS $tmp"
		])
		AC_SUBST(REEXPORT_RUNTIME, ["-Wl,-reexport-lobjfwrt"])
		AC_SUBST(REEXPORT_RUNTIME_FRAMEWORK,
			["-Wl,-reexport_framework,ObjFWRT"])
	])

	AC_CHECK_HEADERS(sysdir.h)

AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
	AC_MSG_ERROR(
		[Floating point implementation does not conform to IEEE 754!])])

case "$host_cpu" in
arm* | earm*)
	AC_MSG_CHECKING(for blx)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			#if !defined(__arm64__) && !defined(__arch64__) && \
			    !defined(__ARM64_ARCH_8__)
			__asm__ __volatile__ (
				"blx	r12"
			);
			#endif
		])
	], [
		AC_DEFINE(HAVE_BLX, 1, [Whether we have blx])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])

	AC_MSG_CHECKING(for VFP2 or above)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			#if !defined(__arm64__) && !defined(__aarch64__) && \
			    !defined(__ARM64_ARCH_8__)
			__asm__ __volatile__ (
			    "vstmdb	sp!, {d0-d7}"

	])
	;;
i?86 | x86_64)
	AC_CHECK_HEADERS(cet.h)
	;;
esac

AC_CHECK_LIB(m, fmod, [
	LIBS="$LIBS -lm"
	OBJFW_LIBS="$OBJFW_LIBS -lm"
])
AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")

AC_CHECK_FUNCS(strtof truncf)

AC_CHECK_FUNC(asprintf, [
	case "$host" in
	*-*-mint*)

AS_IF([test x"$enable_static" = x"yes" -o x"$enable_shared" = x"no"], [
	AC_SUBST(ENCODINGS_A, "encodings.a")
])

AC_CHECK_FUNCS(arc4random arc4random_buf getrandom random, break)

AS_IF([test x"$host_os" != x"morphos"], [
	AC_CHECK_LIB(dl, dlopen, [
		LIBS="$LIBS -ldl"
		OBJFW_LIBS="$OBJFW_LIBS -ldl"
	])
])
AC_CHECK_HEADERS_ONCE(dlfcn.h)
case "$host_os" in
netbsd*)
	dnl dladdr exists on NetBSD, but it is completely broken.
	dnl When using it with code that uses __thread, it freezes the process
	dnl so that it has to be killed using SIGKILL.

		dnl Use -Wp, as we only use it for the preprocessor.
		AX_CHECK_COMPILER_FLAGS([-Wp,-pthread], [
			CPPFLAGS="$CPPFLAGS -Wp,-pthread"
		], [
			CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
		])

		AC_CHECK_LIB(pthread, main, [
			LIBS="$LIBS -lpthread"
			OBJFW_LIBS="$OBJFW_LIBS -lpthread"
		])

		AC_LINK_IFELSE([
			AC_LANG_PROGRAM([
				#include <pthread.h>
			], [
				pthread_create(NULL, NULL, NULL, NULL);
			])

	AC_SUBST(USE_SRCS_SOCKETS, '${SRCS_SOCKETS}')

	case "$host_os" in
	amigaos* | morphos*)
		;;
	haiku*)
		LIBS="$LIBS -lnetwork"
		OBJFW_LIBS="$OBJFW_LIBS -lnetwork"
		;;
	mingw*)
		LIBS="$LIBS -lws2_32 -liphlpapi"
		OBJFW_LIBS="$OBJFW_LIBS -lws2_32 -liphlpapi"
		;;
	*)
		AC_CHECK_LIB(socket, socket, [
			LIBS="$LIBS -lsocket"
			OBJFW_LIBS="$OBJFW_LIBS -lsocket"
		])
		;;
	esac

	AC_CHECK_HEADER(sys/socket.h, [
		AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1,
			[Whether we have sys/socket.h])
	])

])

AS_IF([test x"$GOBJC" = x"yes"], [
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith"

	AC_ARG_ENABLE(werror,
		AS_HELP_STRING([--disable-werror], [do not build with -Werror]))
	AS_IF([test x"$enable_werror" = x"yes"], [
		OBJCFLAGS="$OBJCFLAGS -Werror"
	])

	old_OBJCFLAGS="$OBJCFLAGS"
	OBJCFLAGS="$OBJCFLAGS -Werror"
	AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to GCC bugs)
	AC_COMPILE_IFELSE([

dnl We use the ObjC compiler as our assembler
AC_SUBST(AS, $OBJC)
AC_SUBST(ASFLAGS)
AC_SUBST(DEP_ASFLAGS, '${DEP_OBJCFLAGS}')

AC_SUBST(OBJFW_CPPFLAGS)
AC_SUBST(OBJFW_OBJCFLAGS)
AC_SUBST(OBJFW_LDFLAGS)
AC_SUBST(OBJFW_LIBS)

AC_SUBST(TESTS_LIBS)

AC_CONFIG_FILES([
	buildsys.mk
	extra.mk
	src/Info.plist

OBJFW_SHARED_LIB = @OBJFW_SHARED_LIB@
OBJFW_STATIC_LIB = @OBJFW_STATIC_LIB@
OBJFW_FRAMEWORK = @OBJFW_FRAMEWORK@
OBJFW_LIB_MAJOR = 1
OBJFW_LIB_MINOR = 1
OBJFW_LIB_PATCH = 4
OBJFW_LIB_MAJOR_MINOR = ${OBJFW_LIB_MAJOR}.${OBJFW_LIB_MINOR}

OBJFWRT_SHARED_LIB = @OBJFWRT_SHARED_LIB@
OBJFWRT_STATIC_LIB = @OBJFWRT_STATIC_LIB@
OBJFWRT_FRAMEWORK = @OBJFWRT_FRAMEWORK@
OBJFWRT_LIB_MAJOR = 1
OBJFWRT_LIB_MINOR = 1
OBJFWRT_LIB_PATCH = 4
OBJFWRT_LIB_MAJOR_MINOR = ${OBJFWRT_LIB_MAJOR}.${OBJFWRT_LIB_MINOR}

OBJFWBRIDGE_SHARED_LIB = @OBJFWBRIDGE_SHARED_LIB@
OBJFWBRIDGE_STATIC_LIB = @OBJFWBRIDGE_STATIC_LIB@
OBJFWBRIDGE_FRAMEWORK = @OBJFWBRIDGE_FRAMEWORK@
OBJFWBRIDGE_LIB_MAJOR = 1
OBJFWBRIDGE_LIB_MINOR = 0

	void *pool = objc_autoreleasePoolPush();
	OFFile *file = [OFFile fileWithPath: path
				       mode: @"w"];

	[file writeString: COPYRIGHT
	    @"#include \"config.h\"\n"
	    @"\n"
	    @"#import \"unicode.h\"\n"
	    @"\n"
	    @"static const OFUnichar emptyPage[0x100] = { 0 };\n"
	    @"\n"];

	/* Write uppercasePage%u */
	for (OFUnichar i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

	 * But from now on, we need the size.
	 */
	_uppercaseTableSize++;
	_lowercaseTableSize++;
	_titlecaseTableSize++;
	_caseFoldingTableSize++;

	/* Write _OFUnicodeUppercaseTable */
	[file writeFormat: @"const OFUnichar *const "
			   @"_OFUnicodeUppercaseTable[0x%X] = {\n\t",
			   _uppercaseTableSize];

	for (OFUnichar i = 0; i < _uppercaseTableSize; i++) {
		if (_uppercaseTableUsed[i])
			[file writeFormat: @"uppercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _uppercaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write _OFUnicodeLowercaseTable */
	[file writeFormat: @"const OFUnichar *const "
			   @"_OFUnicodeLowercaseTable[0x%X] = {\n\t",
			   _lowercaseTableSize];

	for (OFUnichar i = 0; i < _lowercaseTableSize; i++) {
		if (_lowercaseTableUsed[i])
			[file writeFormat: @"lowercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _lowercaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write _OFUnicodeTitlecaseTable */
	[file writeFormat: @"const OFUnichar *const "
			   @"_OFUnicodeTitlecaseTable[0x%X] = {\n\t",
			   _titlecaseTableSize];

	for (OFUnichar i = 0; i < _titlecaseTableSize; i++) {
		if (_titlecaseTableUsed[i] == 1)
			[file writeFormat: @"titlecasePage%u", i];
		else if (_titlecaseTableUsed[i] == 2)
			[file writeFormat: @"uppercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _titlecaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write _OFUnicodeCaseFoldingTable */
	[file writeFormat: @"const OFUnichar *const "
			   @"_OFUnicodeCaseFoldingTable[0x%X] = {\n\t",
			   _caseFoldingTableSize];

	for (OFUnichar i = 0; i < _caseFoldingTableSize; i++) {
		if (_caseFoldingTableUsed[i] == 1)
			[file writeFormat: @"caseFoldingPage%u", i];
		else if (_caseFoldingTableUsed[i] == 2)
			[file writeFormat: @"lowercasePage%u", i];

	OFFile *file = [OFFile fileWithPath: path
				       mode: @"w"];

	[file writeString: COPYRIGHT
	    @"#import \"OFString.h\"\n\n"];

	[file writeFormat:
	    @"#define _OFUnicodeUppercaseTableSize 0x%X\n"
	    @"#define _OFUnicodeLowercaseTableSize 0x%X\n"
	    @"#define _OFUnicodeTitlecaseTableSize 0x%X\n"
	    @"#define _OFUnicodeCaseFoldingTableSize 0x%X\n\n",
	    _uppercaseTableSize, _lowercaseTableSize, _titlecaseTableSize,
	    _caseFoldingTableSize];

	[file writeString:
	    @"#ifdef __cplusplus\n"
	    @"extern \"C\" {\n"
	    @"#endif\n"
	    @"extern const OFUnichar *const _Nonnull\n"
	    @"    _OFUnicodeUppercaseTable[_OFUnicodeUppercaseTableSize] "
	    @"OF_VISIBILITY_HIDDEN;\n"
	    @"extern const OFUnichar *const _Nonnull\n"
	    @"    _OFUnicodeLowercaseTable[_OFUnicodeLowercaseTableSize] "
	    @"OF_VISIBILITY_HIDDEN;\n"
	    @"extern const OFUnichar *const _Nonnull\n"
	    @"    _OFUnicodeTitlecaseTable[_OFUnicodeTitlecaseTableSize] "
	    @"OF_VISIBILITY_HIDDEN;\n"
	    @"extern const OFUnichar *const _Nonnull\n"
	    @"    _OFUnicodeCaseFoldingTable[_OFUnicodeCaseFoldingTableSize]\n"
	    @"    OF_VISIBILITY_HIDDEN;\n"
	    @"#ifdef __cplusplus\n"
	    @"}\n"
	    @"#endif\n"];

	objc_autoreleasePoolPop(pool);
}
@end

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TQD/RpicG6v6IvBNJgMHrG70GGP0eDTjiiHVe65FYyc6Hgg=
=jW3V
-----END PGP PUBLIC KEY BLOCK-----

#import "macros.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFVASPrintF(
    char *_Nullable *_Nonnull, const char *_Nonnull, va_list)
    OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

		if (ctx->lengthModifier != lengthModifierNone)
			return false;

		ctx->subformat[ctx->subformatLen - 1] = 's';

		{
			char buffer[5];
			size_t len = _OFUTF8StringEncode(
			    va_arg(ctx->arguments, OFUnichar), buffer);

			if (len == 0)
				return false;

			buffer[len] = 0;
			tmpLen = asprintf(&tmp, ctx->subformat, buffer);

				return false;

			if ((buffer = malloc((len * 4) + 1)) == NULL)
				return false;

			j = 0;
			for (size_t i = 0; i < len; i++) {
				size_t clen = _OFUTF8StringEncode(arg[i],
				    buffer + j);

				if (clen == 0) {
					free(buffer);
					return false;
				}

	formatFlagsState,
	formatFieldWidthState,
	formatLengthModifierState,
	formatConversionSpecifierState
};

int
_OFVASPrintF(char **string, const char *format, va_list arguments)
{
	struct Context ctx;

	ctx.format = format;
	ctx.formatLen = strlen(format);
	memset(ctx.subformat, 0, maxSubformatLen + 1);
	ctx.subformatLen = 0;

	[delegate release];

	[[OFNotificationCenter defaultCenter] postNotification: notification];

#if defined(OF_HAVE_THREADS) && defined(OF_HAVE_SOCKETS) && \
    defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
	_OFSocketDeinit();
#endif
}

int
OFApplicationMain(int *argc, char **argv[], id <OFApplicationDelegate> delegate)
{
	[OFLocale currentLocale];

@interface OFArchiveIRIHandler: OFIRIHandler
@end

#ifdef __cplusplus
extern "C" {
#endif
extern OFIRI *_OFArchiveIRIHandlerIRIForFileInArchive(OFString *, OFString *,
    OFIRI *) OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

{
	return (character != '!' && _characterIsMember(_characterSet,
	    @selector(characterIsMember:), character));
}
@end

OFIRI *
_OFArchiveIRIHandlerIRIForFileInArchive(OFString *scheme,
    OFString *pathInArchive, OFIRI *archiveIRI)
{
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFMutableIRI *ret = [OFMutableIRI IRIWithScheme: scheme];
	void *pool = objc_autoreleasePoolPush();

	OFOnce(&onceControl, initPathAllowedCharacters);

@class OFString;
@class OFMutableData;

#ifdef __cplusplus
extern "C" {
#endif
extern OFString *_OFBase64Encode(const void *, size_t) OF_VISIBILITY_HIDDEN;
extern bool _OFBase64Decode(OFMutableData *, const char *, size_t)
    OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

	 3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
	20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30,
	31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
	48, 49, 50, 51, -1, -1, -1, -1, -1
};

OFString *
_OFBase64Encode(const void *data, size_t length)
{
	OFMutableString *ret = [OFMutableString string];
	uint8_t *buffer = (uint8_t *)data;
	size_t i;
	uint8_t rest;
	char tb[4];
	uint32_t sb;

	[ret makeImmutable];

	return ret;
}

bool
_OFBase64Decode(OFMutableData *data, const char *string, size_t length)
{
	const uint8_t *buffer = (const uint8_t *)string;
	size_t i;

	if ((length & 3) != 0)
		return false;

	0, NULL, 3, 0,
	{
		&_NSConcreteStackBlock, &_NSConcreteGlobalBlock,
		&_NSConcreteMallocBlock, NULL
	}
};

static struct _objc_module module = {
	8, sizeof(module), NULL, (struct objc_symtab *)&symtab
};

OF_CONSTRUCTOR()
{
	__objc_exec_class(&module);
}

#endif

#import "macros.h"

#ifdef __cplusplus
extern "C" {
#endif
extern uint16_t _OFCRC16(uint16_t crc, const void *_Nonnull bytes,
    size_t length) OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

#include "config.h"

#import "OFCRC16.h"

static const uint16_t CRC16Magic = 0xA001;

uint16_t
_OFCRC16(uint16_t CRC, const void *bytes_, size_t length)
{
	const unsigned char *bytes = bytes_;

	for (size_t i = 0; i < length; i++) {
		CRC ^= bytes[i];

		for (uint8_t j = 0; j < 8; j++)

#endif

#import "macros.h"

#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t _OFCRC32(uint32_t crc, const void *_Nonnull bytes,
    size_t length) OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

#include "config.h"

#import "OFCRC32.h"

static const uint32_t CRC32Magic = 0xEDB88320;

uint32_t
_OFCRC32(uint32_t CRC, const void *bytes_, size_t length)
{
	const unsigned char *bytes = bytes_;

	for (size_t i = 0; i < length; i++) {
		CRC ^= bytes[i];

		for (uint8_t j = 0; j < 8; j++)

- (instancetype)initWithBytes: (const void *)bytes
		     objCType: (const char *)objCType
{
	self = [super initWithBytes: bytes objCType: objCType];

	@try {
		_size = OFSizeOfTypeEncoding(objCType);
		_objCType = _OFStrDup(objCType);
		_bytes = OFAllocMemory(1, _size);
		memcpy(_bytes, bytes, _size);
	} @catch (id e) {
		[self release];
		@throw e;
	}

		if ([self isMemberOfClass: [OFConstantUTF8String class]])
			return;

		ivars = OFAllocZeroedMemory(1, sizeof(*ivars));
		ivars->cString = _cString;
		ivars->cStringLength = _cStringLength;

		switch (_OFUTF8StringCheck(ivars->cString, ivars->cStringLength,
		    &ivars->length)) {
		case 1:
			ivars->isUTF8 = true;
			break;
		case -1:
			OFFreeMemory(ivars);
			@throw [OFInvalidEncodingException exception];

#endif
		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			    protocolType: protocolType
				  socket: self
				   errNo: _OFSocketErrNo()];

	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, (struct sockaddr *)&address.sockaddr,
	    address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			    protocolType: protocolType
				  socket: self
				   errNo: errNo];
	}

	memset(&address, 0, sizeof(address));
	address.family = OFSocketAddressFamilyAppleTalk;
	address.length = (socklen_t)sizeof(address.sockaddr);

	if (_OFGetSockName(_socket, (struct sockaddr *)&address.sockaddr,
	    &address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node

	    struct ATInterfaceConfig), &config) != 0)
		@throw [OFBindDDPSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			    protocolType: protocolType
				  socket: self
				   errNo: _OFSocketErrNo()];

	OFSocketAddressSetAppleTalkNetwork(&address, config.address.s_net);
	OFSocketAddressSetAppleTalkNode(&address, config.address.s_node);
#endif

#if !defined(OF_MACOS) && !defined(OF_WINDOWS)
	_protocolType = protocolType;

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if ((ret = recvmsg(_socket, &msg, 0)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: _OFSocketErrNo()];

	if (ret < 1 || protocolType != _protocolType)
		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length
							    errNo: ENOMSG];

	if (sender != NULL) {

		@throw [OFNotOpenException exceptionWithObject: self];

	if ((bytesWritten = sendmsg(_socket, &msg, 0)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: _OFSocketErrNo()];

	if ((size_t)bytesWritten != length + 1) {
		bytesWritten--;

		if (bytesWritten < 0)
			bytesWritten = 0;

@implementation OFDNSResolver
#ifdef OF_AMIGAOS
+ (void)initialize
{
	if (self != [OFDNSResolver class])
		return;

	if (!_OFSocketInit())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}
#endif

+ (instancetype)resolver
{

OF_ASSUME_NONNULL_BEGIN

@class OFString;

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_CryptographicHashing_reference OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

@interface OFData (CryptographicHashing)
/**
 * @brief The MD5 hash of the data as a string.

#import "OFData.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_MessagePackParsing_reference OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

@interface OFData (MessagePackParsing)
/**
 * @brief The data interpreted as MessagePack representation and parsed as an

	Class isa;
} placeholder;

@interface OFPlaceholderData: OFString
@end

/* References for static linking */
void OF_VISIBILITY_HIDDEN
_references_to_categories_of_OFData(void)
{
	_OFData_CryptographicHashing_reference = 1;
	_OFData_MessagePackParsing_reference = 1;
}

@implementation OFPlaceholderData

{
	void *pool = objc_autoreleasePoolPush();
	OFMutableData *data;

	@try {
		data = [OFMutableData data];

		if (!_OFBase64Decode(data,
		    [string cStringWithEncoding: OFStringEncodingASCII],
		    [string cStringLengthWithEncoding: OFStringEncodingASCII]))
			@throw [OFInvalidFormatException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	[ret makeImmutable];
	return ret;
}

- (OFString *)stringByBase64Encoding
{
	return _OFBase64Encode(self.items, self.count * self.itemSize);
}

- (OFRange)rangeOfData: (OFData *)data
	       options: (OFDataSearchOptions)options
		 range: (OFRange)range
{
	const unsigned char *items = self.items;

@synthesize delegate = _delegate;

+ (void)initialize
{
	if (self != [OFDatagramSocket class])
		return;

	if (!_OFSocketInit())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

+ (instancetype)socket
{
	return [[[self alloc] init] autorelease];

	_canBlock = canBlock;
#elif defined(OF_WINDOWS)
	u_long v = !canBlock;

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: _OFSocketErrNo()];

	_canBlock = canBlock;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (void)setCanSendToBroadcastAddresses: (bool)canSendToBroadcastAddresses
{
	int v = canSendToBroadcastAddresses;

	if (setsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, (socklen_t)sizeof(v)) != 0)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: _OFSocketErrNo()];

#ifdef OF_WII
	_canSendToBroadcastAddresses = canSendToBroadcastAddresses;
#endif
}

- (bool)canSendToBroadcastAddresses
{
#ifndef OF_WII
	int v;
	socklen_t len = sizeof(v);

	if (getsockopt(_socket, SOL_SOCKET, SO_BROADCAST,
	    (char *)&v, &len) != 0 || len != sizeof(v))
		@throw [OFGetOptionFailedException
		    exceptionWithObject: self
				  errNo: _OFSocketErrNo()];

	return v;
#else
	return _canSendToBroadcastAddresses;
#endif
}

#ifndef OF_WINDOWS
	if ((ret = recvfrom(_socket, buffer, length, 0,
	    (sender != NULL ? (struct sockaddr *)&sender->sockaddr : NULL),
	    (sender != NULL ? &sender->length : NULL))) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: _OFSocketErrNo()];
#else
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = recvfrom(_socket, buffer, (int)length, 0,
	    (sender != NULL ? (struct sockaddr *)&sender->sockaddr : NULL),
	    (sender != NULL ? &sender->length : NULL))) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: _OFSocketErrNo()];
#endif

	if (sender != NULL) {
		struct sockaddr *sa = (struct sockaddr *)&sender->sockaddr;

		if (sender->length >= (socklen_t)sizeof(sa->sa_family)) {
			switch (sa->sa_family) {

	if ((bytesWritten = sendto(_socket, (void *)buffer, length, 0,
	    (struct sockaddr *)&receiver->sockaddr, receiver->length)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: _OFSocketErrNo()];
#else
	int bytesWritten;

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

	if ((bytesWritten = sendto(_socket, buffer, (int)length, 0,
	    (struct sockaddr *)&receiver->sockaddr, receiver->length)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: _OFSocketErrNo()];
#endif

	if ((size_t)bytesWritten != length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: bytesWritten
							     errNo: 0];

	if (seconds == 0) {
		static OFOnceControl once = OFOnceControlInitValue;
		OFOnce(&once, initZeroDate);
		return (id)zeroDate;
	}

#if defined(OF_OBJFW_RUNTIME) && UINTPTR_MAX == UINT64_MAX
	value = OFFromBigEndian64(OFBitConvertDoubleToUInt64(
	    OFToBigEndianDouble(seconds)));

	/* Almost all dates fall into this range. */
	if (value & (UINT64_C(4) << 60)) {
		id ret = [OFTaggedPointerDate
		    dateWithUInt64TimeIntervalSince1970: value];

		if (ret != nil)

			    format: (OFString *)format
{
	void *pool = objc_autoreleasePoolPush();
	const char *UTF8String = string.UTF8String;
	struct tm tm = { .tm_isdst = -1 };
	short tz = 0;

	if (_OFStrPTime(UTF8String, format.UTF8String, &tm, &tz) !=
	    UTF8String + string.UTF8StringLength)
		@throw [OFInvalidFormatException exception];

	objc_autoreleasePoolPop(pool);

	return [self initWithTimeIntervalSince1970: tmAndTzToTime(&tm, tz)];
}

- (instancetype)initWithLocalDateString: (OFString *)string
				 format: (OFString *)format
{
	void *pool = objc_autoreleasePoolPush();
	const char *UTF8String = string.UTF8String;
	struct tm tm = { .tm_isdst = -1 };
	/*
	 * _OFStrPTime() can never set this to SHRT_MAX, no matter what is
	 * passed to it, so this is a safe way to figure out if the date
	 * contains a time zone.
	 */
	short tz = SHRT_MAX;
	OFTimeInterval seconds;

	if (_OFStrPTime(UTF8String, format.UTF8String, &tm, &tz) !=
	    UTF8String + string.UTF8StringLength)
		@throw [OFInvalidFormatException exception];

	if (tz == SHRT_MAX) {
#ifdef OF_WINDOWS
		if (_mktime64FuncPtr != NULL) {
			if ((seconds = _mktime64FuncPtr(&tm)) == -1)

	}
# endif
#endif

	pageSize = [OFSystemInfo pageSize];
	buffer = OFAllocMemory(1, pageSize);
	@try {
		if (_OFStrFTime(buffer, pageSize, format.UTF8String, &tm,
		    0) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF8String: buffer];
	} @finally {
		OFFreeMemory(buffer);
	}

	}
# endif
#endif

	pageSize = [OFSystemInfo pageSize];
	buffer = OFAllocMemory(1, pageSize);
	@try {
		if (_OFStrFTime(buffer, pageSize, format.UTF8String, &tm,
		    0) == 0)
			@throw [OFOutOfRangeException exception];

		ret = [OFString stringWithUTF8String: buffer];
	} @finally {
		OFFreeMemory(buffer);
	}

#import "OFOpenItemFailedException.h"

#ifdef OF_HAVE_THREADS
# import "OFOnce.h"
# import "OFPlainMutex.h"
#endif

static struct EmbeddedFile {
	OFString *path;
	const uint8_t *bytes;
	size_t size;
} *embeddedFiles = NULL;
static size_t numEmbeddedFiles = 0;
#ifdef OF_HAVE_THREADS
static OFPlainMutex mutex;
static OFOnceControl mutexOnceControl = OFOnceControlInitValue;

static void
initMutex(void)
{

				    initWithStream: _stream];

			if (!_inflateStream.atEndOfStream) {
				size_t bytesRead = [_inflateStream
				    readIntoBuffer: buffer
					    length: length];

				_CRC32 = _OFCRC32(_CRC32, buffer, bytesRead);
				_uncompressedSize += bytesRead;

				return bytesRead;
			}

			[_inflateStream release];
			_inflateStream = nil;

- (void)stop;
@end
#endif

static OFString *
normalizedKey(OFString *key)
{
	char *cString = _OFStrDup(key.UTF8String);
	unsigned char *tmp = (unsigned char *)cString;
	bool firstLetter = true;
	OFString *ret;

	while (*tmp != '\0') {
		if (!OFASCIIIsAlpha(*tmp)) {
			firstLetter = true;

typedef struct _OFHuffmanTree {
	struct _OFHuffmanTree *_Nullable leaves[2];
	uint16_t value;
} *OFHuffmanTree;

/* Inlined for performance. */
static OF_INLINE bool
_OFHuffmanTreeWalk(id _Nullable stream,
    bool (*bitReader)(id _Nullable, uint16_t *_Nonnull, uint8_t),
    OFHuffmanTree _Nonnull *_Nonnull tree, uint16_t *_Nonnull value)
{
	OFHuffmanTree iter = *tree;
	uint16_t bits;

	while (iter->value == 0xFFFF) {

	*value = iter->value;
	return true;
}

#ifdef __cplusplus
extern "C" {
#endif
extern OFHuffmanTree _Nonnull _OFHuffmanTreeNew(uint8_t lengths[_Nonnull],
    uint16_t count) OF_VISIBILITY_HIDDEN;
extern OFHuffmanTree _Nonnull _OFHuffmanTreeNewSingle(uint16_t value)
    OF_VISIBILITY_HIDDEN;
extern void _OFHuffmanTreeFree(OFHuffmanTree _Nonnull tree)
    OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

		tree = tree->leaves[bit];
	}

	tree->value = value;
}

OFHuffmanTree
_OFHuffmanTreeNew(uint8_t lengths[], uint16_t count)
{
	OFHuffmanTree tree;
	uint16_t *lengthCount = NULL;
	uint16_t code, maxCode = 0, *nextCode = NULL;
	uint_fast8_t maxBit = 0;

	@try {

		OFFreeMemory(nextCode);
	}

	return tree;
}

OFHuffmanTree
_OFHuffmanTreeNewSingle(uint16_t value)
{
	OFHuffmanTree tree = newTree();

	tree->value = value;

	return tree;
}

void
_OFHuffmanTreeFree(OFHuffmanTree tree)
{
	for (uint_fast8_t i = 0; i < 2; i++)
		if OF_LIKELY (tree->leaves[i] != NULL)
			_OFHuffmanTreeFree(tree->leaves[i]);

	OFFreeMemory(tree);
}

 */

#include "config.h"

#import "OFINICategory.h"
#import "OFINICategory+Private.h"
#import "OFArray.h"
#import "OFCharacterSet.h"
#import "OFStream.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

@interface OFINICategoryPair: OFObject
{
@public
	OFString *_key, *_value;
}
@end

@interface OFINICategoryComment: OFObject
{
@public
	OFString *_comment;
}
@end

static OFCharacterSet *needsEscapeCharacterSet;

static OFString *
escapeString(OFString *string)
{
	OFMutableString *mutableString;


	if (![string hasPrefix: @" "] && ![string hasSuffix: @" "] &&

	    ![string hasPrefix: @"\t"] && ![string hasSuffix: @"\t"] &&
	    [string indexOfCharacterFromSet: needsEscapeCharacterSet] ==
	    OFNotFound)
		return string;

	mutableString = [[string mutableCopy] autorelease];

	[mutableString replaceOccurrencesOfString: @"\\" withString: @"\\\\"];
	[mutableString replaceOccurrencesOfString: @"\f" withString: @"\\f"];
	[mutableString replaceOccurrencesOfString: @"\r" withString: @"\\r"];
	[mutableString replaceOccurrencesOfString: @"\n" withString: @"\\n"];
	[mutableString replaceOccurrencesOfString: @"\"" withString: @"\\\""];

	[mutableString insertString: @"\"" atIndex: 0];
	[mutableString appendString: @"\""];























	[mutableString makeImmutable];

	return mutableString;
}

@implementation OFINICategoryPair
- (void)dealloc

{
	return [[_comment copy] autorelease];
}
@end

@implementation OFINICategory
@synthesize name = _name;

+ (void)initialize
{
	if (self != [OFINICategory class])
		return;

	needsEscapeCharacterSet = [[OFCharacterSet alloc]
	    initWithCharactersInString: @"\r\n\f\"\\="];
}

- (instancetype)of_initWithName: (OFString *)name OF_DIRECT
{
	self = [super init];

	@try {
		_name = [name copy];

- (void)dealloc
{
	[_name release];
	[_lines release];

	[super dealloc];
}

static void
parseQuoted(const char **cString, const char **start, size_t *length)
{
	bool inEscape = false;

	(*cString)++;
	*start = *cString;

	while (**cString != '\0') {
		if (inEscape)
			inEscape = false;
		else {
			if (**cString == '\\')
				inEscape = true;
			else if (**cString == '"')
				break;
		}
		(*cString)++;
	}
	if (**cString == '\0')
		@throw [OFInvalidFormatException exception];

	*length = *cString - *start;

	(*cString)++;

	while (OFASCIIIsSpace(**cString))
		(*cString)++;
}

static void
unescapeMutableString(OFMutableString *string)
{
	[string replaceOccurrencesOfString: @"\\f" withString: @"\f"];
	[string replaceOccurrencesOfString: @"\\r" withString: @"\r"];
	[string replaceOccurrencesOfString: @"\\n" withString: @"\n"];
	[string replaceOccurrencesOfString: @"\\\"" withString: @"\""];
	[string replaceOccurrencesOfString: @"\\\\" withString: @"\\"];
}

- (void)of_parseLine: (OFString *)line
{
	void *pool = objc_autoreleasePoolPush();
	const char *cString = line.UTF8String;
	bool keyIsQuoted = false, valueIsQuoted = false;
	const char *keyStart, *valueStart;
	size_t keyLength, valueLength;
	OFMutableString *key, *value;
	OFINICategoryPair *pair;

	while (OFASCIIIsSpace(*cString))
		cString++;

	if (*cString == ';' || *cString == '#') {
		OFINICategoryComment *comment =
		    [[[OFINICategoryComment alloc] init] autorelease];
		comment->_comment = [line copy];
		[_lines addObject: comment];
		return;
	}

	if (*cString == '"') {
		keyIsQuoted = true;
		parseQuoted(&cString, &keyStart, &keyLength);
	} else {
		keyStart = cString;

		while (*cString != '=' && *cString != '\0')
			cString++;

		keyLength = cString - keyStart;
	}

	if (*cString != '=')
		@throw [OFInvalidFormatException exception];
	cString++;

	while (OFASCIIIsSpace(*cString))
		cString++;

	if (*cString == '"') {
		valueIsQuoted = true;
		parseQuoted(&cString, &valueStart, &valueLength);
	} else {
		valueStart = cString;

		while (*cString != '\0')
			cString++;

		valueLength = cString - valueStart;
	}

	while (*cString != '\0') {
		if (!OFASCIIIsSpace(*cString))
			@throw [OFInvalidFormatException exception];

		cString++;
	}

	key = [OFMutableString stringWithUTF8String: keyStart
					     length: keyLength];
	value = [OFMutableString stringWithUTF8String: valueStart
					       length: valueLength];

	if (keyIsQuoted)
		unescapeMutableString(key);
	else
		[key deleteEnclosingWhitespaces];
	if (valueIsQuoted)
		unescapeMutableString(value);
	else
		[value deleteEnclosingWhitespaces];

	[key makeImmutable];
	[value makeImmutable];

	pair = [[[OFINICategoryPair alloc] init] autorelease];
	pair->_key = [key copy];
	pair->_value = [value copy];
	[_lines addObject: pair];

	objc_autoreleasePoolPop(pool);
}

- (OFString *)stringValueForKey: (OFString *)key
{
	return [self stringValueForKey: key defaultValue: nil];
}

- (bool)of_writeToStream: (OFStream *)stream
		encoding: (OFStringEncoding)encoding
		   first: (bool)first
{
	if (_lines.count == 0)
		return false;

	if (_name.length > 0) {
		if (first)
			[stream writeFormat: @"[%@]\r\n", _name];
		else
			[stream writeFormat: @"\r\n[%@]\r\n", _name];
	}

	for (id line in _lines) {
		if ([line isKindOfClass: [OFINICategoryComment class]]) {
			OFINICategoryComment *comment = line;
			[stream writeFormat: @"%@\r\n", comment->_comment];
		} else if ([line isKindOfClass: [OFINICategoryPair class]]) {
			OFINICategoryPair *pair = line;

}

- (instancetype)initWithIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding
{
	self = [super init];

	@try {
		_categories = [[OFMutableArray alloc] initWithObject:
		    [[[OFINICategory alloc] of_initWithName: @""] autorelease]];

		[self of_parseIRI: IRI encoding: encoding];
	} @catch (id e) {
		[self release];
		@throw e;
	}

			OFString *categoryName;

			if (![line hasSuffix: @"]"])
				@throw [OFInvalidFormatException exception];

			categoryName = [line substringWithRange:
			    OFMakeRange(1, line.length - 2)];
			if (categoryName.length == 0)
				@throw [OFInvalidFormatException exception];

			category = [[[OFINICategory alloc]
			    of_initWithName: categoryName] autorelease];
			[_categories addObject: category];
		} else {
			if (category == nil)
				category = [self categoryForName: @""];

			[category of_parseLine: line];
		}
	}

	objc_autoreleasePoolPop(pool);
}

	    SOCK_DGRAM | SOCK_CLOEXEC, protocol)) == OFInvalidSocketHandle)
		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: packetType
				  socket: self
				   errNo: _OFSocketErrNo()];

	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, (struct sockaddr *)&address.sockaddr,
	    address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: packetType
				  socket: self
				   errNo: errNo];
	}

	memset(&address, 0, sizeof(address));
	address.family = OFSocketAddressFamilyIPX;
	address.length = (socklen_t)sizeof(address.sockaddr);

	if (_OFGetSockName(_socket, (struct sockaddr *)&address.sockaddr,
	    &address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node

 */
+ (OFCharacterSet *)IRIFragmentAllowedCharacterSet;
@end

#ifdef __cplusplus
extern "C" {
#endif
extern bool _OFIRIIsIPv6Host(OFString *host) OF_VISIBILITY_HIDDEN;
extern void _OFIRIVerifyIsEscaped(OFString *, OFCharacterSet *, bool)
    OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#import "OFMutableIRI.h"

initIRIFragmentAllowedCharacterSet(void)
{
	IRIFragmentAllowedCharacterSet =
	    [[OFIRIFragmentAllowedCharacterSet alloc] init];
}

bool
_OFIRIIsIPv6Host(OFString *host)
{
	const char *UTF8String = host.UTF8String;
	bool hasColon = false;

	while (*UTF8String != '\0') {
		if (!OFASCIIIsDigit(*UTF8String) && *UTF8String != ':' &&
		    (*UTF8String < 'a' || *UTF8String > 'f') &&

{
	return (character != '%' && !_characterIsMember(_characterSet,
	    @selector(characterIsMember:), character));
}
@end

void
_OFIRIVerifyIsEscaped(OFString *string, OFCharacterSet *characterSet,
    bool allowPercent)
{
	void *pool = objc_autoreleasePoolPush();

	if (allowPercent)
		characterSet = [[[OFInvertedCharacterSetWithoutPercent alloc]
		    initWithCharacterSet: characterSet] autorelease];

		self->_percentEncodedUser = [[OFString alloc]
		    initWithUTF8String: UTF8String
				length: colon - UTF8String];
		self->_percentEncodedPassword = [[OFString alloc]
		    initWithUTF8String: colon + 1
				length: length - (colon - UTF8String) - 1];

		_OFIRIVerifyIsEscaped(self->_percentEncodedPassword,
		    [OFCharacterSet IRIPasswordAllowedCharacterSet], true);
	} else
		self->_percentEncodedUser = [[OFString alloc]
		    initWithUTF8String: UTF8String
				length: length];

	_OFIRIVerifyIsEscaped(self->_percentEncodedUser,
	    [OFCharacterSet IRIUserAllowedCharacterSet], true);
}

static void
parseHostPort(OFIRI *self, const char *UTF8String, size_t length)
{
	OFString *portString;

			    initWithUTF8String: UTF8String
					length: length];

			UTF8String += length;
			length = 0;
		}

		_OFIRIVerifyIsEscaped(self->_percentEncodedHost,
		    [OFCharacterSet IRIHostAllowedCharacterSet], true);
	}

	if (length == 0)
		return;

	if (length <= 1 || *UTF8String != ':')

	const char *fragment, *query;

	if ((fragment = memchr(UTF8String, '#', length)) != NULL) {
		*fragmentString = [OFString
		    stringWithUTF8String: fragment + 1
				  length: length - (fragment - UTF8String) - 1];

		_OFIRIVerifyIsEscaped(*fragmentString,
		    [OFCharacterSet IRIQueryAllowedCharacterSet], true);

		length = fragment - UTF8String;
	}

	if ((query = memchr(UTF8String, '?', length)) != NULL) {
		*queryString = [OFString
		    stringWithUTF8String: query + 1
				  length: length - (query - UTF8String) - 1];

		_OFIRIVerifyIsEscaped(*queryString,
		    [OFCharacterSet IRIFragmentAllowedCharacterSet], true);

		length = query - UTF8String;
	}

	*pathString = [OFString stringWithUTF8String: UTF8String
					      length: length];

	_OFIRIVerifyIsEscaped(*pathString,
	    [OFCharacterSet IRIPathAllowedCharacterSet], true);
}

- (instancetype)initWithString: (OFString *)string
{
	self = [super init];

		    colon - UTF8String < 1 || !OFASCIIIsAlpha(UTF8String[0]))
			@throw [OFInvalidFormatException exception];

		_scheme = [[[OFString stringWithUTF8String: UTF8String
						    length: colon - UTF8String]
		    lowercaseString] copy];

		_OFIRIVerifyIsEscaped(_scheme,
		    [OFCharacterSet IRISchemeAllowedCharacterSet], false);

		length -= colon - UTF8String + 1;
		UTF8String = colon + 1;

		if (length >= 2 && UTF8String[0] == '/' &&
		    UTF8String[1] == '/') {

- (OFString *)host
{
	if ([_percentEncodedHost hasPrefix: @"["] &&
	    [_percentEncodedHost hasSuffix: @"]"]) {
		OFString *host = [_percentEncodedHost substringWithRange:
		    OFMakeRange(1, _percentEncodedHost.length - 2)];

		if (!_OFIRIIsIPv6Host(host))
			@throw [OFInvalidArgumentException exception];

		return host;
	}

	return _percentEncodedHost.stringByRemovingPercentEncoding;
}

	for (uint16_t i = 144; i <= 255; i++)
		lengths[i] = 9;
	for (uint16_t i = 256; i <= 279; i++)
		lengths[i] = 7;
	for (uint16_t i = 280; i <= 287; i++)
		lengths[i] = 8;

	fixedLitLenTree = _OFHuffmanTreeNew(lengths, 288);

	for (uint16_t i = 0; i <= 31; i++)
		lengths[i] = 5;

	fixedDistTree = _OFHuffmanTreeNew(lengths, 32);
}

+ (instancetype)streamWithStream: (OFStream *)stream
{
	return [[[self alloc] initWithStream: stream] autorelease];
}

	OFFreeMemory(_slidingWindow);

	if (_state == stateHuffmanTree) {
		OFFreeMemory(_context.huffmanTree.lengths);

		if (_context.huffmanTree.codeLenTree != NULL)
			_OFHuffmanTreeFree(_context.huffmanTree.codeLenTree);
	}

	if (_state == stateHuffmanTree || _state == stateHuffmanBlock) {
		if (_context.huffman.litLenTree != fixedLitLenTree)
			_OFHuffmanTreeFree(_context.huffman.litLenTree);
		if (_context.huffman.distTree != fixedDistTree)
			_OFHuffmanTreeFree(_context.huffman.distTree);
	}

	[super dealloc];
}

- (size_t)lowlevelReadIntoBuffer: (void *)buffer_
			  length: (size_t)length

					CTX.receivedCount = i;
					return bytesWritten;
				}

				CTX.lengths[codeLengthsOrder[i]] = bits;
			}

			CTX.codeLenTree = _OFHuffmanTreeNew(CTX.lengths, 19);
			CTX.treeIter = CTX.codeLenTree;

			OFFreeMemory(CTX.lengths);
			CTX.lengths = NULL;
			CTX.receivedCount = 0;
			CTX.value = 0xFF;
		}

		if OF_LIKELY (CTX.lengths == NULL)
			CTX.lengths = OFAllocMemory(
			    CTX.litLenCodesCount + CTX.distCodesCount + 258, 1);

		for (uint16_t i = CTX.receivedCount;
		    i < CTX.litLenCodesCount + CTX.distCodesCount + 258;) {
			uint8_t j, count;

			if OF_LIKELY (CTX.value == 0xFF) {
				if OF_UNLIKELY (!_OFHuffmanTreeWalk(self,
				    tryReadBits, &CTX.treeIter, &value)) {
					CTX.receivedCount = i;
					return bytesWritten;
				}

				CTX.treeIter = CTX.codeLenTree;

			for (j = 0; j < count; j++)
				CTX.lengths[i++] = value;

			CTX.value = 0xFF;
		}

		_OFHuffmanTreeFree(CTX.codeLenTree);
		CTX.codeLenTree = NULL;

		CTX.litLenTree = _OFHuffmanTreeNew(CTX.lengths,
		    CTX.litLenCodesCount + 257);
		CTX.distTree = _OFHuffmanTreeNew(
		    CTX.lengths + CTX.litLenCodesCount + 257,
		    CTX.distCodesCount + 1);

		OFFreeMemory(CTX.lengths);

		/*
		 * litLenTree and distTree are at the same location in

				CTX.state = huffmanStateAwaitDistance;
				CTX.treeIter = CTX.distTree;
			}

			/* Distance of length distance pair */
			if (CTX.state == huffmanStateAwaitDistance) {
				if OF_UNLIKELY (!_OFHuffmanTreeWalk(self,
				    tryReadBits, &CTX.treeIter, &value))
					return bytesWritten;

				if OF_UNLIKELY (value >= numDistanceCodes)
					@throw [OFInvalidFormatException
					    exception];

					    _slidingWindowMask;
				}

				CTX.state = huffmanStateAwaitCode;
				CTX.treeIter = CTX.litLenTree;
			}

			if OF_UNLIKELY (!_OFHuffmanTreeWalk(self, tryReadBits,
			    &CTX.treeIter, &value))
				return bytesWritten;

			/* End of block */
			if OF_UNLIKELY (value == 256) {
				if (CTX.litLenTree != fixedLitLenTree)
					_OFHuffmanTreeFree(CTX.litLenTree);
				if (CTX.distTree != fixedDistTree)
					_OFHuffmanTreeFree(CTX.distTree);

				_state = stateBlockHeader;
				goto start;
			}

			/* Literal byte */
			if OF_LIKELY (value < 256) {

#endif

+ (void)initialize
{
	if (self != [OFKernelEventObserver class])
		return;

	if (!_OFSocketInit())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

+ (instancetype)observer
{
	return [[[self alloc] init] autorelease];

# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
		if (bind(_cancelFD[0], (struct sockaddr *)&_cancelAddr,
		    sizeof(_cancelAddr)) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];

		cancelAddrLen = sizeof(_cancelAddr);
		if (_OFGetSockName(_cancelFD[0],
		    (struct sockaddr *)&_cancelAddr, &cancelAddrLen) != 0)
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];
# else
		for (;;) {
			uint16_t rnd = 0;
			int ret;

			while (rnd < 1024)
				rnd = (uint16_t)rand();

			_cancelAddr.sin_port = OFToBigEndian16(rnd);
			ret = bind(_cancelFD[0],
			    (struct sockaddr *)&_cancelAddr,
			    sizeof(_cancelAddr));

			if (ret == 0)
				break;

			if (_OFSocketErrNo() != EADDRINUSE)
				@throw [OFInitializationFailedException
				    exceptionWithClass: self.class];
		}
# endif
#endif
	} @catch (id e) {
		[self release];

	if (_waitingTask != NULL) {
		Signal(_waitingTask, (1ul << _cancelSignal));
		_waitingTask = NULL;
	}

	Permit();
#elif defined(OF_HAVE_PIPE)
	do {
		if (write(_cancelFD[1], "", 1) == 1)
			break;

		OFEnsure(errno == EINTR);
	} while (true);
#elif defined(OF_WII)
	do {
		if (sendto(_cancelFD[1], "", 1, 0,
		    (struct sockaddr *)&_cancelAddr, 8) == 1)
			break;

		OFEnsure(_OFSocketErrNo() == EINTR);
	} while (true);
#else
	do {
		if (sendto(_cancelFD[1], (void *)"", 1, 0,
		    (struct sockaddr *)&_cancelAddr, sizeof(_cancelAddr)) == 1)
			break;

		OFEnsure(_OFSocketErrNo() == EINTR);
	} while (true);
#endif
}
@end

+ (instancetype)archiveWithIRI: (OFIRI *)IRI mode: (OFString *)mode
{
	return [[[self alloc] initWithIRI: IRI mode: mode] autorelease];
}

+ (OFIRI *)IRIForFilePath: (OFString *)path inArchiveWithIRI: (OFIRI *)IRI
{
	return _OFArchiveIRIHandlerIRIForFileInArchive(@"lha", path, IRI);
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

	if (length > _toRead)
		length = (size_t)_toRead;

	ret = [_decompressedStream readIntoBuffer: buffer length: length];

	_toRead -= ret;
	_CRC16 = _OFCRC16(_CRC16, buffer, ret);

	if (_toRead == 0) {
		_atEndOfStream = true;

		if (_CRC16 != _entry.CRC16) {
			OFString *actualChecksum = [OFString stringWithFormat:
			    @"%04" @PRIX16, _CRC16];

	@try {
		[_stream writeBuffer: buffer length: length];
	} @catch (OFWriteFailedException *e) {
		OFEnsure(e.bytesWritten <= length);

		_bytesWritten += (uint64_t)e.bytesWritten;
		_CRC16 = _OFCRC16(_CRC16, buffer, e.bytesWritten);

		if (e.errNo == EWOULDBLOCK || e.errNo == EAGAIN)
			return e.bytesWritten;

		@throw e;
	}

	_bytesWritten += (uint64_t)length;
	_CRC16 = _OFCRC16(_CRC16, buffer, length);

	return length;
}

- (bool)lowlevelIsAtEndOfStream
{
	if (_stream == nil)

	if (headerSize > UINT16_MAX)
		@throw [OFOutOfRangeException exception];

	/* Now fill in the size and CRC16 for the entire header */
	tmp16 = OFToLittleEndian16(headerSize);
	memcpy([data mutableItemAtIndex: 0], &tmp16, sizeof(tmp16));

	tmp16 = _OFCRC16(0, data.items, data.count);
	tmp16 = OFToLittleEndian16(tmp16);
	memcpy([data mutableItemAtIndex: 27], &tmp16, sizeof(tmp16));

	[stream writeData: data];

	objc_autoreleasePoolPop(pool);
}

{
	if (_stream != nil)
		[self close];

	OFFreeMemory(_slidingWindow);

	if (_codeLenTree != NULL)
		_OFHuffmanTreeFree(_codeLenTree);
	if (_litLenTree != NULL)
		_OFHuffmanTreeFree(_litLenTree);
	if (_distTree != NULL)
		_OFHuffmanTreeFree(_distTree);

	OFFreeMemory(_codesLengths);

	[super dealloc];
}

- (size_t)lowlevelReadIntoBuffer: (void *)buffer_

			if OF_UNLIKELY (bits == 7) {
				_currentIsExtendedLength = true;
				continue;
			} else
				_codesReceived++;
		}

		_codeLenTree = _OFHuffmanTreeNew(_codesLengths, _codesCount);
		OFFreeMemory(_codesLengths);
		_codesLengths = NULL;

		_state = stateLitLenCodesCount;
		goto start;
	case stateCodeLenTreeSingle:
		if OF_UNLIKELY (!tryReadBits(self, &bits, 5))
			return bytesWritten;

		_codeLenTree = _OFHuffmanTreeNewSingle(bits);

		_state = stateLitLenCodesCount;
		goto start;
	case stateLitLenCodesCount:
		if OF_UNLIKELY (!tryReadBits(self, &bits, 9))
			return bytesWritten;

		if OF_UNLIKELY (bits > 510)
			@throw [OFInvalidFormatException exception];

		if OF_UNLIKELY (bits == 0) {
			_OFHuffmanTreeFree(_codeLenTree);
			_codeLenTree = NULL;

			_state = stateLitLenTreeSingle;
			goto start;
		}

		_codesCount = bits;

				for (uint_fast16_t j = 0; j < skipCount; j++)
					_codesLengths[_codesReceived++] = 0;

				_skip = false;
				continue;
			}

			if (!_OFHuffmanTreeWalk(self, tryReadBits, &_treeIter,
			    &value))
				return bytesWritten;

			_treeIter = _codeLenTree;

			if (value < 3) {
				_codesLengths[_codesReceived] = value;
				_skip = true;
			} else
				_codesLengths[_codesReceived++] = value - 2;
		}

		_litLenTree = _OFHuffmanTreeNew(_codesLengths, _codesCount);
		OFFreeMemory(_codesLengths);
		_codesLengths = NULL;

		_OFHuffmanTreeFree(_codeLenTree);
		_codeLenTree = NULL;

		_state = stateDistCodesCount;
		goto start;
	case stateLitLenTreeSingle:
		if OF_UNLIKELY (!tryReadBits(self, &bits, 9))
			return bytesWritten;

		_litLenTree = _OFHuffmanTreeNewSingle(bits);

		_state = stateDistCodesCount;
		goto start;
	case stateDistCodesCount:
		if OF_UNLIKELY (!tryReadBits(self, &bits, _distanceBits))
			return bytesWritten;

			if OF_UNLIKELY (bits == 7) {
				_currentIsExtendedLength = true;
				continue;
			} else
				_codesReceived++;
		}

		_distTree = _OFHuffmanTreeNew(_codesLengths, _codesCount);
		OFFreeMemory(_codesLengths);
		_codesLengths = NULL;

		_treeIter = _litLenTree;
		_state = stateBlockLitLen;
		goto start;
	case stateDistTreeSingle:
		if OF_UNLIKELY (!tryReadBits(self, &bits, _distanceBits))
			return bytesWritten;

		_distTree = _OFHuffmanTreeNewSingle(bits);

		_treeIter = _litLenTree;
		_state = stateBlockLitLen;
		goto start;
	case stateBlockLitLen:
		if OF_UNLIKELY (_symbolsLeft == 0) {
			_OFHuffmanTreeFree(_litLenTree);
			_OFHuffmanTreeFree(_distTree);
			_litLenTree = _distTree = NULL;

			_state = stateBlockHeader;

			/*
			 * We must return here, as there is no indication
			 * whether this was the last block. Whoever called this

			return bytesWritten;
		}

		if OF_UNLIKELY (length == 0)
			return bytesWritten;

		if OF_UNLIKELY (!_OFHuffmanTreeWalk(self, tryReadBits,
		    &_treeIter, &value))
			return bytesWritten;

		if OF_LIKELY (value < 256) {
			buffer[bytesWritten++] = value;
			length--;

			_length = value - 253;
			_treeIter = _distTree;
			_state = stateBlockDistLength;
		}

		goto start;
	case stateBlockDistLength:
		if OF_UNLIKELY (!_OFHuffmanTreeWalk(self, tryReadBits,
		    &_treeIter, &value))
			return bytesWritten;

		_distance = value;

		_state = (value < 2
		    ? stateBlockLenDistPair : stateBlockDistLengthExtra);

}

#ifndef OF_AMIGAOS
static void
parseLocale(char *locale, OFStringEncoding *encoding,
    OFString **languageCode, OFString **countryCode)
{
	locale = _OFStrDup(locale);

	@try {
		OFStringEncoding enc = OFStringEncodingASCII;
		char *tmp;

		/* We don't care for extras behind the @ */
		if ((tmp = strrchr(locale, '@')) != NULL)

{
	unsigned long hash;

	OFHashInit(&hash);

	for (uint_fast8_t i = 0; i < 4; i++)
		for (uint_fast8_t j = 0; j < 4; j++)
			OFHashAddHash(&hash,
			    OFBitConvertFloatToUInt32(_values[i][j]));

	OFHashFinalize(&hash);

	return hash;
}

- (void)multiplyWithMatrix: (OFMatrix4x4 *)matrix

{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _scheme;

	if (scheme.length < 1 || !OFASCIIIsAlpha(*scheme.UTF8String))
		@throw [OFInvalidFormatException exception];

	_OFIRIVerifyIsEscaped(scheme,
	    [OFCharacterSet IRISchemeAllowedCharacterSet], false);

	_scheme = [scheme.lowercaseString copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setHost: (OFString *)host
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedHost;

	if (_OFIRIIsIPv6Host(host))
		_percentEncodedHost = [[OFString alloc]
		    initWithFormat: @"[%@]", host];
	else
		_percentEncodedHost = [[host
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    [OFCharacterSet IRIHostAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedHost: (OFString *)percentEncodedHost
{
	OFString *old;

	if ([percentEncodedHost hasPrefix: @"["] &&
	    [percentEncodedHost hasSuffix: @"]"]) {
		if (!_OFIRIIsIPv6Host([percentEncodedHost substringWithRange:
		    OFMakeRange(1, percentEncodedHost.length - 2)]))
			@throw [OFInvalidFormatException exception];
	} else if (percentEncodedHost != nil)
		_OFIRIVerifyIsEscaped(percentEncodedHost,
		    [OFCharacterSet IRIHostAllowedCharacterSet], true);

	old = _percentEncodedHost;
	_percentEncodedHost = [percentEncodedHost copy];
	[old release];
}

}

- (void)setPercentEncodedUser: (OFString *)percentEncodedUser
{
	OFString *old;

	if (percentEncodedUser != nil)
		_OFIRIVerifyIsEscaped(percentEncodedUser,
		    [OFCharacterSet IRIUserAllowedCharacterSet], true);

	old = _percentEncodedUser;
	_percentEncodedUser = [percentEncodedUser copy];
	[old release];
}

}

- (void)setPercentEncodedPassword: (OFString *)percentEncodedPassword
{
	OFString *old;

	if (percentEncodedPassword != nil)
		_OFIRIVerifyIsEscaped(percentEncodedPassword,
		    [OFCharacterSet IRIPasswordAllowedCharacterSet], true);

	old = _percentEncodedPassword;
	_percentEncodedPassword = [percentEncodedPassword copy];
	[old release];
}

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedPath: (OFString *)percentEncodedPath
{
	OFString *old;

	_OFIRIVerifyIsEscaped(percentEncodedPath,
	    [OFCharacterSet IRIPathAllowedCharacterSet], true);

	old = _percentEncodedPath;
	_percentEncodedPath = [percentEncodedPath copy];
	[old release];
}

}

- (void)setPercentEncodedQuery: (OFString *)percentEncodedQuery
{
	OFString *old;

	if (percentEncodedQuery != nil)
		_OFIRIVerifyIsEscaped(percentEncodedQuery,
		    [OFCharacterSet IRIQueryAllowedCharacterSet], true);

	old = _percentEncodedQuery;
	_percentEncodedQuery = [percentEncodedQuery copy];
	[old release];
}

}

- (void)setPercentEncodedFragment: (OFString *)percentEncodedFragment
{
	OFString *old;

	if (percentEncodedFragment != nil)
		_OFIRIVerifyIsEscaped(percentEncodedFragment,
		    [OFCharacterSet IRIFragmentAllowedCharacterSet], true);

	old = _percentEncodedFragment;
	_percentEncodedFragment = [percentEncodedFragment copy];
	[old release];
}

{
	char *UTF8String;
	int UTF8StringLength;

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

	if ((UTF8StringLength = _OFVASPrintF(&UTF8String, format.UTF8String,
	    arguments)) == -1)
		@throw [OFInvalidFormatException exception];

	@try {
		[self appendUTF8String: UTF8String length: UTF8StringLength];
	} @finally {
		free(UTF8String);
	}
}

#ifdef OF_HAVE_UNICODE_TABLES
- (void)uppercase
{
	[self of_convertWithWordStartTable: _OFUnicodeUppercaseTable
			   wordMiddleTable: _OFUnicodeUppercaseTable
			wordStartTableSize: _OFUnicodeUppercaseTableSize
		       wordMiddleTableSize: _OFUnicodeUppercaseTableSize];
}

- (void)lowercase
{
	[self of_convertWithWordStartTable: _OFUnicodeLowercaseTable
			   wordMiddleTable: _OFUnicodeLowercaseTable
			wordStartTableSize: _OFUnicodeLowercaseTableSize
		       wordMiddleTableSize: _OFUnicodeLowercaseTableSize];
}

- (void)capitalize
{
	[self of_convertWithWordStartTable: _OFUnicodeTitlecaseTable
			   wordMiddleTable: _OFUnicodeLowercaseTable
			wordStartTableSize: _OFUnicodeTitlecaseTableSize
		       wordMiddleTableSize: _OFUnicodeLowercaseTableSize];
}
#else
- (void)uppercase
{
	convert(self, OFASCIIToUpper, OFASCIIToUpper);
}

			table = startTable;
			tableSize = middleTableSize;
		} else {
			table = middleTable;
			tableSize = middleTableSize;
		}

		cLen = _OFUTF8StringDecode(_s->cString + i,
		    _s->cStringLength - i, &c);

		if (cLen <= 0 || c > 0x10FFFF) {
			OFFreeMemory(unicodeString);
			@throw [OFInvalidEncodingException exception];
		}

	}

	j = 0;

	for (i = 0; i < unicodeLen; i++) {
		size_t d;

		if ((d = _OFUTF8StringEncode(unicodeString[i],
		    newCString + j)) == 0) {
			OFFreeMemory(unicodeString);
			OFFreeMemory(newCString);
			@throw [OFInvalidEncodingException exception];
		}
		j += d;
	}

{
	char buffer[4];
	OFUnichar c;
	size_t lenNew;
	ssize_t lenOld;

	if (_s->isUTF8)
		idx = _OFUTF8StringIndexToPosition(_s->cString, idx,
		    _s->cStringLength);

	if (idx >= _s->cStringLength)
		@throw [OFOutOfRangeException exception];

	/* Shortcut if old and new character both are ASCII */
	if (character < 0x80 && !(_s->cString[idx] & 0x80)) {
		_s->hasHash = false;
		_s->cString[idx] = character;
		return;
	}

	if ((lenNew = _OFUTF8StringEncode(character, buffer)) == 0)
		@throw [OFInvalidEncodingException exception];

	if ((lenOld = _OFUTF8StringDecode(_s->cString + idx,
	    _s->cStringLength - idx, &c)) <= 0)
		@throw [OFInvalidEncodingException exception];

	_s->hasHash = false;

	if (lenNew == (size_t)lenOld)
		memcpy(_s->cString + idx, buffer, lenNew);

	if (UTF8StringLength >= 3 &&
	    memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength, &length)) {
	case 1:
		_s->isUTF8 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException exception];
	}

	if (UTF8StringLength >= 3 &&
	    memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
		UTF8String += 3;
		UTF8StringLength -= 3;
	}

	switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength, &length)) {
	case 1:
		_s->isUTF8 = true;
		break;
	case -1:
		@throw [OFInvalidEncodingException exception];
	}

		objc_autoreleasePoolPop(pool);
	}
}

- (void)appendString: (OFString *)string
{
	const char *UTF8String;
	size_t UTF8StringLength;

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

	UTF8String = string.UTF8String;
	UTF8StringLength = string.UTF8StringLength;

	_s->hasHash = false;
	_s->cString = OFResizeMemory(_s->cString,
	    _s->cStringLength + UTF8StringLength + 1, 1);
	memcpy(_s->cString + _s->cStringLength, UTF8String, UTF8StringLength);


	_s->cStringLength += UTF8StringLength;
	_s->length += string.length;

	_s->cString[_s->cStringLength] = 0;

	if ([string isKindOfClass: [OFUTF8String class]] ||
	    [string isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)string)->_s->isUTF8)
			_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)appendCharacters: (const OFUnichar *)characters length: (size_t)length
{
	char *tmp = OFAllocMemory((length * 4) + 1, 1);

	@try {
		size_t j = 0;
		bool isUTF8 = false;

		for (size_t i = 0; i < length; i++) {
			size_t len = _OFUTF8StringEncode(characters[i],
			    tmp + j);

			if (len == 0)
				@throw [OFInvalidEncodingException exception];

			if (len > 1)
				isUTF8 = true;

{
	char *UTF8String;
	int UTF8StringLength;

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

	if ((UTF8StringLength = _OFVASPrintF(&UTF8String, format.UTF8String,
	    arguments)) == -1)
		@throw [OFInvalidFormatException exception];

	@try {
		[self appendUTF8String: UTF8String length: UTF8StringLength];
	} @finally {
		free(UTF8String);
	}
}

- (void)insertString: (OFString *)string atIndex: (size_t)idx
{
	const char *UTF8String;
	size_t UTF8StringLength, newCStringLength;

	if (idx > _s->length)
		@throw [OFOutOfRangeException exception];

	if (_s->isUTF8)
		idx = _OFUTF8StringIndexToPosition(_s->cString, idx,
		    _s->cStringLength);

	UTF8String = string.UTF8String;
	UTF8StringLength = string.UTF8StringLength;

	newCStringLength = _s->cStringLength + UTF8StringLength;
	_s->hasHash = false;
	_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1, 1);

	memmove(_s->cString + idx + UTF8StringLength, _s->cString + idx,
	    _s->cStringLength - idx);
	memcpy(_s->cString + idx, UTF8String, UTF8StringLength);

	_s->cString[newCStringLength] = '\0';

	_s->cStringLength = newCStringLength;
	_s->length += string.length;

	if ([string isKindOfClass: [OFUTF8String class]] ||
	    [string isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)string)->_s->isUTF8)
			_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(UTF8String, UTF8StringLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)deleteCharactersInRange: (OFRange)range
{
	size_t start = range.location;
	size_t end = range.location + range.length;

	if (range.length > SIZE_MAX - range.location || end > _s->length)
		@throw [OFOutOfRangeException exception];

	if (_s->isUTF8) {
		start = _OFUTF8StringIndexToPosition(_s->cString, start,
		    _s->cStringLength);
		end = _OFUTF8StringIndexToPosition(_s->cString, end,
		    _s->cStringLength);
	}

	memmove(_s->cString + start, _s->cString + end,
	    _s->cStringLength - end);
	_s->hasHash = false;
	_s->length -= range.length;

- (void)replaceCharactersInRange: (OFRange)range
		      withString: (OFString *)replacement
{
	size_t start = range.location;
	size_t end = range.location + range.length;
	size_t newCStringLength, newLength;
	const char *replacementString;
	size_t replacementLength;

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

	if (range.length > SIZE_MAX - range.location || end > _s->length)
		@throw [OFOutOfRangeException exception];

	newLength = _s->length - range.length + replacement.length;

	if (_s->isUTF8) {
		start = _OFUTF8StringIndexToPosition(_s->cString, start,
		    _s->cStringLength);
		end = _OFUTF8StringIndexToPosition(_s->cString, end,
		    _s->cStringLength);
	}

	replacementString = replacement.UTF8String;
	replacementLength = replacement.UTF8StringLength;

	newCStringLength =
	    _s->cStringLength - (end - start) + replacementLength;
	_s->hasHash = false;

	/*
	 * If the new string is bigger, we need to resize it first so we can
	 * memmove() the rest of the string to the end.
	 *
	 * We must not resize the string if the new string is smaller, because
	 * then we can't memmove() the rest of the string forward as the rest is
	 * lost due to the resize!
	 */
	if (newCStringLength > _s->cStringLength)
		_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1,
		    1);

	memmove(_s->cString + start + replacementLength, _s->cString + end,
	    _s->cStringLength - end);
	memcpy(_s->cString + start, replacementString, replacementLength);

	_s->cString[newCStringLength] = '\0';

	/*
	 * If the new string is smaller, we can safely resize it now as we're
	 * done with memmove().
	 */
	if (newCStringLength < _s->cStringLength)
		_s->cString = OFResizeMemory(_s->cString, newCStringLength + 1,
		    1);

	_s->cStringLength = newCStringLength;
	_s->length = newLength;

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(replacementString, replacementLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement
			   options: (int)options
			     range: (OFRange)range
{

		@throw [OFInvalidArgumentException exception];

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > self.length)
		@throw [OFOutOfRangeException exception];

	if (_s->isUTF8) {
		range.location = _OFUTF8StringIndexToPosition(_s->cString,
		    range.location, _s->cStringLength);
		range.length = _OFUTF8StringIndexToPosition(
		    _s->cString + range.location, range.length,
		    _s->cStringLength - range.location);
	}

	if (string.UTF8StringLength > range.length)
		return;

	_s->cStringLength = newCStringLength;
	_s->length = newLength;

	if ([replacement isKindOfClass: [OFUTF8String class]] ||
	    [replacement isKindOfClass: [OFMutableUTF8String class]]) {
		if (((OFMutableUTF8String *)replacement)->_s->isUTF8)
			_s->isUTF8 = true;
	} else {
		switch (_OFUTF8StringCheck(replacementString, replacementLength,
		    NULL)) {
		case 1:
			_s->isUTF8 = true;
			break;
		case -1:
			@throw [OFInvalidEncodingException exception];
		}
	}
}

- (void)deleteLeadingWhitespaces
{
	size_t i;

	for (i = 0; i < _s->cStringLength; i++)

#import "OFKeyValueCoding.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFObject_KeyValueCoding_reference OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

@interface OFObject (KeyValueCoding) <OFKeyValueCoding>
@end

/**
 * @brief Handles messages which are not understood by the receiver.
 *
 * @warning If you override this method, you must make sure that it never
 *	    returns!
 *
 * @param selector The selector not understood by the receiver
 * @throw OFNotImplementedException The method is not implemented
 */
- (void)doesNotRecognizeSelector: (SEL)selector OF_NO_RETURN;
@end

/**
 * @protocol OFCopying OFObject.h ObjFW/OFObject.h
 *

    const void *_Nonnull key, id _Nullable value,
    objc_associationPolicy policy);
extern id _Nullable objc_getAssociatedObject(id _Nonnull object,
    const void *_Nonnull key);
extern void objc_removeAssociatedObjects(id _Nonnull object);
# endif
#endif

/**
 * @brief Allocates a new object.
 *
 * This is useful to override @ref OFObject#alloc in a subclass that can then
 * allocate extra memory in the same memory allocation.
 *
 * @param class_ The class of which to allocate an object
 * @param extraSize Extra space after the ivars to allocate
 * @param extraAlignment Alignment of the extra space after the ivars
 * @param extra A pointer to set to a pointer to the extra space
 * @return The allocated object
 */
extern id OFAllocObject(Class class_, size_t extraSize, size_t extraAlignment,
    void *_Nullable *_Nullable extra);

/**
 * @brief This function is called when a method is not found.
 *
 * It can also be called intentionally to indicate that a method is not
 * implemetned, for example in an abstract method. However, instead of calling
 * OFMethodNotFound directly, it is preferred to do the following:
 *
 *     - (void)abstractMethod
 *     {
 *     	OF_UNRECOGNIZED_SELECTOR
 *     }
 *
 * However, do not use this for init methods. Instead, use the following:
 *
 *     - (instancetype)init
 *     {
 *     	OF_INVALID_INIT_METHOD
 *     }
 *
 * @param self The object which does not have the method
 * @param _cmd The selector of the method that does not exist
 */
extern void OF_NO_RETURN_FUNC OFMethodNotFound(id self, SEL _cmd);

/**
 * @brief Initializes the specified hash.
 *
 * @param hash A pointer to the hash to initialize
 */

const char *
_NSPrintForDebugger(id object)
{
	return [[object description] cStringWithEncoding: [OFLocale encoding]];
}

/* References for static linking */
void OF_VISIBILITY_HIDDEN
_references_to_categories_of_OFObject(void)
{
	_OFObject_KeyValueCoding_reference = 1;
}

@implementation OFObject
+ (void)load

	pthread_once(control, function);
#elif defined(OF_HAVE_ATOMIC_OPS)
	/* Avoid atomic operations in case it's already done. */
	if (*control == 2)
		return;

	if (OFAtomicIntCompareAndSwap(control, 0, 1)) {


		OFAcquireMemoryBarrier();

		function();
		OFAtomicIntIncrease(control);

		OFReleaseMemoryBarrier();
	} else
		while (*control == 1)
			OFYieldThread();
#elif defined(OF_AMIGAOS)
	bool run = false;

	/* Avoid Forbid() in case it's already done. */

    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No conditions available!
#endif

/* For OFTimeInterval */
#import "OFObject.h"
#import "OFPlainMutex.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_cond_t OFPlainCondition;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef struct {
	HANDLE event;
	volatile int count;
} OFPlainCondition;
#elif defined(OF_AMIGAOS)
# include <exec/tasks.h>
typedef struct {
	struct _OFPlainConditionWaitingTask {
		struct Task *task;
		unsigned char sigBit;
		struct _OFPlainConditionWaitingTask *next;
	} *waitingTasks;
} OFPlainCondition;
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Creates a new plain condition.
 *
 * A plain condition is similar to an @ref OFCondition, but does not use
 * exceptions and can be used from pure C code.
 *
 * @param condition A pointer to the condition to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionNew(OFPlainCondition *condition);

/**
 * @brief Signals the specified condition.
 *
 * @param condition A pointer to the condition to signal
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionSignal(OFPlainCondition *condition);

/**
 * @brief Broadcasts the specified condition, meaning it will be signaled to
 *	  everyone waiting.
 *
 * @param condition A pointer to the condition to broadcast
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionBroadcast(OFPlainCondition *condition);

/**
 * @brief Waits on the specified condition with the specified mutex.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionWait(OFPlainCondition *condition,
    OFPlainMutex *mutex);

/**
 * @brief Waits on the specified condition with the specified mutex with a
 *	  timeout.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param timeout The timeout after which to give up
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionTimedWait(OFPlainCondition *condition,
    OFPlainMutex *mutex, OFTimeInterval timeout);

#if defined(OF_AMIGAOS) || defined(DOXYGEN)
/**
 * @brief Waits on the specified condition with the specified mutex or the
 *	  specified Exec signal.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param signalMask The Exec signal mask to wait for
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionWaitOrExecSignal(OFPlainCondition *condition,
    OFPlainMutex *mutex, ULONG *signalMask);

/**
 * @brief Waits on the specified condition with the specified mutex or the
 *	  specified Exec signal, up until the timeout is reached.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param signalMask The Exec signal mask to wait for
 * @param timeout The timeout after which to give up
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionTimedWaitOrExecSignal(OFPlainCondition *condition,
    OFPlainMutex *mutex, OFTimeInterval timeout, ULONG *signalMask);
#endif

/**
 * @brief Destroys the specified plain condition.
 *
 * @param condition A pointer to the condition to destroy
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionFree(OFPlainCondition *condition);
#ifdef __cplusplus
}
#endif

#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No mutexes available!
#endif

#import "macros.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_mutex_t OFPlainMutex;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef CRITICAL_SECTION OFPlainMutex;

	OFTLSKey count;
} OFPlainRecursiveMutex;
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Creates a new plain mutex.
 *
 * A plain mutex is similar to an @ref OFMutex, but does not use exceptions and
 * is just a lightweight wrapper around the system's mutex implementation.
 *
 * @param mutex A pointer to the mutex to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexNew(OFPlainMutex *mutex);

/**
 * @brief Locks the specified mutex.
 *
 * @param mutex A pointer to the mutex to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexLock(OFPlainMutex *mutex);

/**
 * @brief Tries to lock the specified mutex without blocking.
 *
 * @param mutex A pointer to the mutex to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexTryLock(OFPlainMutex *mutex);

/**
 * @brief Unlocks the specified mutex.
 *
 * @param mutex A pointer to the mutex to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexUnlock(OFPlainMutex *mutex);

/**
 * @brief Destroys the specified mutex
 *
 * @param mutex A pointer to the mutex to destruct
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexFree(OFPlainMutex *mutex);

/**
 * @brief Creates a new plain recursive mutex.
 *
 * A plain recursive mutex is similar to an @ref OFRecursiveMutex, but does not
 * use exceptions and is just a lightweight wrapper around the system's
 * recursive mutex implementation (or lacking that, a simple implementation of
 * recursive mutexes via regular mutexes).
 *
 * @param rmutex A pointer to the recursive mutex to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexNew(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Locks the specified recursive mutex.
 *
 * @param rmutex A pointer to the recursive mutex to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexLock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Tries to lock the specified recursive mutex without blocking.
 *
 * @param rmutex A pointer to the recursive mutex to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexTryLock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Unlocks the specified recursive mutex.
 *
 * @param rmutex A pointer to the recursive mutex to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexUnlock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Destroys the specified recursive mutex
 *
 * @param rmutex A pointer to the recursive mutex to destruct
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexFree(OFPlainRecursiveMutex *rmutex);
#ifdef __cplusplus
}
#endif

/* Spinlocks are inlined for performance. */

/**
 * @brief Yield the current thread, indicating to the OS that another thread
 *	  should execute instead.
 */
static OF_INLINE void
OFYieldThread(void)
{
#if defined(OF_HAVE_SCHED_YIELD)
	sched_yield();
#elif defined(OF_WINDOWS)
	Sleep(0);
#endif
}

/**
 * @brief Creates a new spinlock.
 *
 * @param spinlock A pointer to the spinlock to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockNew(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	*spinlock = 0;
	return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_init(spinlock, 0);
#else
	return OFPlainMutexNew(spinlock);
#endif
}

/**
 * @brief Tries to lock a spinlock.
 *
 * @param spinlock A pointer to the spinlock to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockTryLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	if (OFAtomicIntCompareAndSwap(spinlock, 0, 1)) {
		OFAcquireMemoryBarrier();
		return 0;
	}

	return EBUSY;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_trylock(spinlock);
#else
	return OFPlainMutexTryLock(spinlock);
#endif
}

/**
 * @brief Locks a spinlock.
 *
 * @param spinlock A pointer to the spinlock to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	size_t i;

	for (i = 0; i < 10; i++)

#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_lock(spinlock);
#else
	return OFPlainMutexLock(spinlock);
#endif
}

/**
 * @brief Unlocks a spinlock.
 *
 * @param spinlock A pointer to the spinlock to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockUnlock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	bool ret = OFAtomicIntCompareAndSwap(spinlock, 1, 0);

	OFReleaseMemoryBarrier();

	return (ret ? 0 : EINVAL);
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_unlock(spinlock);
#else
	return OFPlainMutexUnlock(spinlock);
#endif
}

/**
 * @brief Destroys a spinlock.
 *
 * @param spinlock A pointer to the spinlock to destroy
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockFree(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	(void)spinlock;

	return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_destroy(spinlock);
#else
	return OFPlainMutexFree(spinlock);
#endif
}

#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No threads available!
#endif

#import "OFObject.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_t OFPlainThread;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef HANDLE OFPlainThread;

#endif

typedef struct {
	float priority;
	size_t stackSize;
} OFPlainThreadAttributes;

#if defined(OF_HAVE_PTHREADS) || defined(DOXYGEN)
/**
 * @brief Returns the current plain thread.
 *
 * @return The current plain thread
 */
static OF_INLINE OFPlainThread
OFCurrentPlainThread(void)
{
	return pthread_self();
}

/**
 * @brief Returns whether the specified plain thread is the current thread.
 *
 * @param thread The thread to check
 * @return Whether the specified plain thread is the current thread
 */
static OF_INLINE bool
OFPlainThreadIsCurrent(OFPlainThread thread)
{
	return pthread_equal(thread, pthread_self());
}
#elif defined(OF_WINDOWS)
static OF_INLINE OFPlainThread

extern OFPlainThread OFCurrentPlainThread(void);
extern bool OFPlainThreadIsCurrent(OFPlainThread);
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Initializes the specified thread attributes.
 *
 * @param attr A pointer to the thread attributes to initialize
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadAttributesInit(OFPlainThreadAttributes *attr);

/**
 * @brief Creates a new plain thread.
 *
 * A plain thread is similar to @ref OFThread, but does not use exceptions and
 * is just a lightweight wrapper around the system's thread implementation.
 *
 * @param thread A pointer to the thread to create
 * @param name A name for the thread
 * @param function The function the thread should execute
 * @param object The object to pass to the thread as an argument
 * @param attr Thread attributes
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadNew(OFPlainThread *thread, const char *name,
    void (*function)(id), id object, const OFPlainThreadAttributes *attr);

/**
 * @brief Sets the name of the current thread.
 *
 * @param name The name for the current thread
 */
extern void OFSetThreadName(const char *name);

/**
 * @brief Joins the specified thread.
 *
 * @param thread The thread to join
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadJoin(OFPlainThread thread);

/**
 * @brief Detaches the specified thread.
 *
 * @param thread The thread to detach
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadDetach(OFPlainThread thread);
#ifdef __cplusplus
}
#endif

 * @return The plugin path
 */
+ (OFString *)pathForName: (OFString *)name;

/**
 * @brief Creates a new OFPlugin by loading the plugin with the specified path.
 *
 * @param path The path to the plugin file

 * @return An new, autoreleased OFPlugin
 * @throw OFLoadPluginFailedException The plugin could not be loaded
 */
+ (instancetype)pluginWithPath: (OFString *)path;

/**
 * @brief Initializes an already allocated OFPlugin by loading the plugin with
 *	  the specified path.
 *
 * @param path The path to the plugin file

 * @return An initialized OFPlugin
 * @throw OFLoadPluginFailedException The plugin could not be loaded
 */
- (instancetype)initWithPath: (OFString *)path;

/**
 * @brief Returns the address for the specified symbol, or `nil` if not found.

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	if ((_socket = socket(address->sockaddr.ipx.sipx_family,
	    SOCK_SEQPACKET | SOCK_CLOEXEC, NSPROTO_SPX)) ==
	    OFInvalidSocketHandle) {
		*errNo = _OFSocketErrNo();
		return false;
	}

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	return true;
}

- (bool)of_connectSocketToAddress: (const OFSocketAddress *)address
			    errNo: (int *)errNo
{
	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (connect(_socket, (struct sockaddr *)&address->sockaddr,
	    address->length) != 0) {
		*errNo = _OFSocketErrNo();
		return false;
	}

	return true;
}

- (void)of_closeSocket

	    OFInvalidSocketHandle)
		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: SPXPacketType
				  socket: self
				   errNo: _OFSocketErrNo()];

	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, (struct sockaddr *)&address.sockaddr,
	    address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: SPXPacketType
				  socket: self
				   errNo: errNo];
	}

	memset(&address, 0, sizeof(address));
	address.family = OFSocketAddressFamilyIPX;
	address.length = (socklen_t)sizeof(address.sockaddr);

	if (_OFGetSockName(_socket, (struct sockaddr *)&address.sockaddr,
	    &address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node

	if (_socket != OFInvalidSocketHandle)
		@throw [OFAlreadyOpenException exceptionWithObject: self];

	if ((_socket = socket(address->sockaddr.ipx.sipx_family,
	    SOCK_STREAM | SOCK_CLOEXEC, NSPROTO_SPX)) ==
	    OFInvalidSocketHandle) {
		*errNo = _OFSocketErrNo();
		return false;
	}

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	return true;
}

- (bool)of_connectSocketToAddress: (const OFSocketAddress *)address
			    errNo: (int *)errNo
{
	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (connect(_socket, (struct sockaddr *)&address->sockaddr,
	    address->length) != 0) {
		*errNo = _OFSocketErrNo();
		return false;
	}

	return true;
}

- (void)of_closeSocket

	    SOCK_STREAM | SOCK_CLOEXEC, NSPROTO_SPX)) == OFInvalidSocketHandle)
		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: SPXPacketType
				  socket: self
				   errNo: _OFSocketErrNo()];

	_canBlock = true;

#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL_H) && defined(FD_CLOEXEC)
	if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
		fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif

	if (bind(_socket, (struct sockaddr *)&address.sockaddr,
	    address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node
				    port: port
			      packetType: SPXPacketType
				  socket: self
				   errNo: errNo];
	}

	memset(&address, 0, sizeof(address));
	address.family = OFSocketAddressFamilyIPX;
	address.length = (socklen_t)sizeof(address.sockaddr);

	if (_OFGetSockName(_socket, (struct sockaddr *)&address.sockaddr,
	    &address.length) != 0) {
		int errNo = _OFSocketErrNo();

		closesocket(_socket);
		_socket = OFInvalidSocketHandle;

		@throw [OFBindIPXSocketFailedException
		    exceptionWithNetwork: network
				    node: node

	/** @brief Whether data may be stored in swappable memory. */
	bool allowsSwappableMemory;
} OFScryptParameters;

#ifdef __cplusplus
extern "C" {
#endif
/* No OF_VISIBILITY_HIDDEN so tests can call it. */
extern void _OFSalsa20_8Core(uint32_t buffer[_Nonnull 16]);
extern void _OFScryptBlockMix(uint32_t *output, const uint32_t *input,
    size_t blockSize);
extern void _OFScryptROMix(uint32_t *buffer, size_t blockSize,
    size_t costFactor, uint32_t *tmp);

/**
 * @brief Derives a key from a password and a salt using scrypt.
 *
 * @param parameters The parameters to use
 */

#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

#import "OFScrypt.h"
#import "OFPBKDF2.h"

void
_OFSalsa20_8Core(uint32_t buffer[16])
{
	uint32_t tmp[16];

	for (uint_fast8_t i = 0; i < 16; i++)
		tmp[i] = OFToLittleEndian32(buffer[i]);

	for (uint_fast8_t i = 0; i < 8; i += 2) {

		buffer[i] = OFToLittleEndian32(OFFromLittleEndian32(buffer[i]) +
		    tmp[i]);

	OFZeroMemory(tmp, sizeof(tmp));
}

void
_OFScryptBlockMix(uint32_t *output, const uint32_t *input, size_t blockSize)
{
	uint32_t tmp[16];

	/* Check defined here and executed in OFScrypt() */
#define OVERFLOW_CHECK_1					\
	if (param.blockSize > SIZE_MAX / 2 ||			\
	    2 * param.blockSize - 1 > SIZE_MAX / 16)		\
		@throw [OFOutOfRangeException exception];

	memcpy(tmp, input + (2 * blockSize - 1) * 16, 64);

	for (size_t i = 0; i < 2 * blockSize; i++) {
		for (size_t j = 0; j < 16; j++)
			tmp[j] ^= input[i * 16 + j];

		_OFSalsa20_8Core(tmp);

		/*
		 * Even indices are stored in the first half and odd ones in
		 * the second.
		 */
		memcpy(output + ((i / 2) + (i & 1) * blockSize) * 16, tmp, 64);
	}

	OFZeroMemory(tmp, sizeof(tmp));
}

void
_OFScryptROMix(uint32_t *buffer, size_t blockSize, size_t costFactor,
    uint32_t *tmp)
{
	/* Check defined here and executed in OFScrypt() */
#define OVERFLOW_CHECK_2						\
	if (param.blockSize > SIZE_MAX / 128 / param.costFactor)	\
		@throw [OFOutOfRangeException exception];

	uint32_t *tmp2 = tmp + 32 * blockSize;

	memcpy(tmp, buffer, 128 * blockSize);

	for (size_t i = 0; i < costFactor; i++) {
		memcpy(tmp2 + i * 32 * blockSize, tmp, 128 * blockSize);
		_OFScryptBlockMix(tmp, tmp2 + i * 32 * blockSize, blockSize);
	}

	for (size_t i = 0; i < costFactor; i++) {
		uint32_t j = OFFromLittleEndian32(
		    tmp[(2 * blockSize - 1) * 16]) & (costFactor - 1);

		for (size_t k = 0; k < 32 * blockSize; k++)
			tmp[k] ^= tmp2[j * 32 * blockSize + k];

		_OFScryptBlockMix(buffer, tmp, blockSize);

		if (i < costFactor - 1)
			memcpy(tmp, buffer, 128 * blockSize);
	}
}

void

			.key                   = (unsigned char *)bufferItems,
			.keyLength             = param.parallelization * 128 *
			                         param.blockSize,
			.allowsSwappableMemory = param.allowsSwappableMemory
		});

		for (size_t i = 0; i < param.parallelization; i++)
			_OFScryptROMix(bufferItems + i * 32 * param.blockSize,
			    param.blockSize, param.costFactor, tmpItems);

		OFPBKDF2((OFPBKDF2Parameters){
			.HMAC                  = HMAC,
			.iterations            = 1,
			.salt                  = (unsigned char *)bufferItems,
			.saltLength            = param.parallelization * 128 *

	events = select(_maxFD + 1, &readFDs, &writeFDs, NULL,
	    (timeInterval != -1 ? &timeout : NULL));
#endif

	if (events < 0)
		@throw [OFObserveKernelEventsFailedException
		    exceptionWithObserver: self
				    errNo: _OFSocketErrNo()];

#ifdef OF_AMIGAOS
	if (execSignalMask != 0 &&
	    [_delegate respondsToSelector: @selector(execSignalWasReceived:)])
		[_delegate execSignalWasReceived: execSignalMask];
#else
	if (FD_ISSET(_cancelFD[0], &readFDs)) {

@synthesize listening = _listening, delegate = _delegate;

+ (void)initialize
{
	if (self != [OFSequencedPacketSocket class])
		return;

	if (!_OFSocketInit())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

+ (instancetype)socket
{
	return [[[self alloc] init] autorelease];

- (int)of_socketError
{
	int errNo;
	socklen_t len = sizeof(errNo);

	if (getsockopt(_socket, SOL_SOCKET, SO_ERROR, (char *)&errNo,
	    &len) != 0)
		return _OFSocketErrNo();

	return errNo;
}
#endif

- (id)copy
{

	_canBlock = canBlock;
#elif defined(OF_WINDOWS)
	u_long v = !canBlock;

	if (ioctlsocket(_socket, FIONBIO, &v) == SOCKET_ERROR)
		@throw [OFSetOptionFailedException
		    exceptionWithObject: self
				  errNo: _OFSocketErrNo()];

	_canBlock = canBlock;
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (size_t)receiveIntoBuffer: (void *)buffer length: (size_t)length
{
	ssize_t ret;

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

#ifndef OF_WINDOWS
	if ((ret = recv(_socket, buffer, length, 0)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: _OFSocketErrNo()];
#else
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if ((ret = recv(_socket, buffer, (int)length, 0)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: _OFSocketErrNo()];
#endif

	return ret;
}

- (void)asyncReceiveIntoBuffer: (void *)buffer length: (size_t)length
{

		@throw [OFOutOfRangeException exception];

	if ((bytesWritten = send(_socket, (void *)buffer, length, 0)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: _OFSocketErrNo()];
#else
	int bytesWritten;

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

	if ((bytesWritten = send(_socket, buffer, (int)length, 0)) < 0)
		@throw [OFWriteFailedException
		    exceptionWithObject: self
			requestedLength: length
			   bytesWritten: 0
				  errNo: _OFSocketErrNo()];
#endif

	if ((size_t)bytesWritten != length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: bytesWritten
							     errNo: 0];

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (listen(_socket, backlog) == -1)
		@throw [OFListenOnSocketFailedException
		    exceptionWithSocket: self
				backlog: backlog
				  errNo: _OFSocketErrNo()];

	_listening = true;
}

- (instancetype)accept
{
	OFSequencedPacketSocket *client;

#if defined(HAVE_PACCEPT) && defined(SOCK_CLOEXEC)
	if ((client->_socket = paccept(_socket,
	    (struct sockaddr *)&client->_remoteAddress.sockaddr,
	    &client->_remoteAddress.length, NULL, SOCK_CLOEXEC)) ==
	    OFInvalidSocketHandle)
		@throw [OFAcceptSocketFailedException
		    exceptionWithSocket: self
				  errNo: _OFSocketErrNo()];
#elif defined(HAVE_ACCEPT4) && defined(SOCK_CLOEXEC)
	if ((client->_socket = accept4(_socket,
	    (struct sockaddr *)&client->_remoteAddress.sockaddr,
	    &client->_remoteAddress.length, SOCK_CLOEXEC)) ==
	    OFInvalidSocketHandle)
		@throw [OFAcceptSocketFailedException
		    exceptionWithSocket: self
				  errNo: _OFSocketErrNo()];
#else
	if ((client->_socket = accept(_socket,
	    (struct sockaddr *)&client->_remoteAddress.sockaddr,
	    &client->_remoteAddress.length)) == OFInvalidSocketHandle)
		@throw [OFAcceptSocketFailedException
		    exceptionWithSocket: self
				  errNo: _OFSocketErrNo()];

# if defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
	if ((flags = fcntl(client->_socket, F_GETFD, 0)) != -1)
		fcntl(client->_socket, F_SETFD, flags | FD_CLOEXEC);
# endif
#endif

# endif
# include <sys/filio.h>
# define closesocket(sock) CloseSocket(sock)
# define ioctlsocket(fd, req, arg) IoctlSocket(fd, req, arg)
# define hstrerror(err) "unknown (no hstrerror)"
# define SOCKET_ERROR -1
# if defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
#  define SocketBase ((struct Library *)OFTLSKeyGet(_OFSocketBaseKey))
#  ifdef OF_AMIGAOS4
#   define ISocket ((struct SocketIFace *)OFTLSKeyGet(_OFSocketInterfaceKey))
#  endif
# endif
# ifdef OF_MORPHOS
typedef uint32_t in_addr_t;
# endif
#elif !defined(OF_WINDOWS) && !defined(OF_WII)
# define closesocket(sock) close(sock)

 *
 * @param address The address on which to get the port
 * @return The port of the address
 */
extern uint8_t OFSocketAddressAppleTalkPort(
    const OFSocketAddress *_Nonnull address);

extern bool _OFSocketInit(void) OF_VISIBILITY_HIDDEN;
#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern void _OFSocketDeinit(void) OF_VISIBILITY_HIDDEN;
#endif
extern int _OFSocketErrNo(void) OF_VISIBILITY_HIDDEN;
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
extern int _OFGetSockName(OFSocketHandle sock, struct sockaddr *restrict addr,
    socklen_t *restrict addrLen) OF_VISIBILITY_HIDDEN;
#endif

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern OFTLSKey _OFSocketBaseKey OF_VISIBILITY_HIDDEN;
# ifdef OF_AMIGAOS4
extern OFTLSKey _OFSocketInterfaceKey OF_VISIBILITY_HIDDEN;
# endif
#endif
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#endif
#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static bool initSuccessful = false;
#endif

#ifdef OF_AMIGAOS
# if defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
OFTLSKey _OFSocketBaseKey;
#  ifdef OF_AMIGAOS4
OFTLSKey _OFSocketInterfaceKey;
#  endif
# else
struct Library *SocketBase;
#  ifdef OF_AMIGAOS4
struct SocketIFace *ISocket = NULL;
#  endif
# endif
#endif

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
OF_CONSTRUCTOR()
{
	if (OFTLSKeyNew(&_OFSocketBaseKey) != 0)
		@throw [OFInitializationFailedException exception];

# ifdef OF_AMIGAOS4
	if (OFTLSKeyNew(&_OFSocketInterfaceKey) != 0)
		@throw [OFInitializationFailedException exception];
# endif
}
#endif

#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static void

	if (SocketBase != NULL)
		CloseLibrary(SocketBase);
# endif
}
#endif

bool
_OFSocketInit(void)
{
#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFOnce(&onceControl, init);

	return initSuccessful;
#else
	struct Library *socketBase;
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface;
# endif

# ifdef OF_AMIGAOS4
	if ((socketInterface = OFTLSKeyGet(_OFSocketInterfaceKey)) != NULL)
# else
	if ((socketBase = OFTLSKeyGet(_OFSocketBaseKey)) != NULL)
# endif
		return true;

	if ((socketBase = OpenLibrary("bsdsocket.library", 4)) == NULL)
		return false;

# ifdef OF_AMIGAOS4
	if ((socketInterface = (struct SocketIFace *)
	    GetInterface(socketBase, "main", 1, NULL)) == NULL) {
		CloseLibrary(socketBase);
		return false;
	}
# endif

	if (OFTLSKeySet(_OFSocketBaseKey, socketBase) != 0) {
		CloseLibrary(socketBase);
# ifdef OF_AMIGAOS4
		DropInterface((struct Interface *)socketInterface);
# endif
		return false;
	}

# ifdef OF_AMIGAOS4
	if (OFTLSKeySet(_OFSocketInterfaceKey, socketInterface) != 0) {
		CloseLibrary(socketBase);
		DropInterface((struct Interface *)socketInterface);
		return false;
	}
# endif

	return true;
#endif
}

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
void
_OFSocketDeinit(void)
{
	struct Library *socketBase = OFTLSKeyGet(_OFSocketBaseKey);
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface =
	    OFTLSKeyGet(_OFSocketInterfaceKey);

	if (socketInterface != NULL)
		DropInterface((struct Interface *)socketInterface);
# endif
	if (socketBase != NULL)
		CloseLibrary(socketBase);
}
#endif

int
_OFSocketErrNo(void)
{
#if defined(OF_WINDOWS)
	switch (WSAGetLastError()) {
	case WSAEACCES:
		return EACCES;
	case WSAEADDRINUSE:
		return EADDRINUSE;

#else
	return errno;
#endif
}

#ifndef OF_WII
int
_OFGetSockName(OFSocketHandle sock, struct sockaddr *restrict addr,
    socklen_t *restrict addrLen)
{
	int ret;

# if defined(OF_HAVE_THREADS) && (!defined(OF_AMIGAOS) || defined(OF_MORPHOS))
	[mutex lock];
# endif

#import "macros.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern size_t _OFStrFTime(char *buffer, size_t bufferLen, const char *format,
    struct tm *tm, short tz) OF_VISIBILITY_HIDDEN;
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

};
static const char monthNames[12][4] = {
	"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct",
	"Nov", "Dec"
};

size_t
_OFStrFTime(char *buffer, size_t bufferLen, const char *format, struct tm *tm,
    short tz)
{
	enum {
		stateSearchConversionSpecifier,
		stateInConversionSpecifier
	} state = stateSearchConversionSpecifier;
	size_t j, formatLen;

#import "macros.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
/* No OF_VISIBILITY_HIDDEN so tests can call it. */
extern const char *_Nullable _OFStrPTime(const char *buffer, const char *format,
    struct tm *tm, short *_Nullable tz);
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#include <string.h>

#import "OFStrPTime.h"
#import "macros.h"

const char *
_OFStrPTime(const char *buffer, const char *format, struct tm *tm, short *tz)
{
	enum {
		stateSearchConversionSpecifier,
		stateInConversionSpecifier
	} state = stateSearchConversionSpecifier;
	size_t j, bufferLen, formatLen;