ObjFW  Check-in [1cb8fee5c3]

	uint32_t hash;
	union {
		double d;
		uint8_t b[sizeof(double)];
	} d;
	uint8_t i;

	d.d = of_bswap_double_if_le(seconds);
	d.d = OF_BSWAP_DOUBLE_IF_LE(seconds);

	OF_HASH_INIT(hash);

	for (i = 0; i < sizeof(double); i++)
		OF_HASH_ADD(hash, d.b[i]);

	OF_HASH_FINALIZE(hash);

#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
	(w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

#ifdef OF_BIG_ENDIAN
static OF_INLINE void
BSWAP32_VEC_IF_BE(uint32_t *buffer, size_t length)
{
	while (length--) {
		*buffer = OF_BSWAP32(*buffer);
		buffer++;
	}
}
#else
# define BSWAP32_VEC_IF_BE(buffer, length)
#endif

static void
md5_transform(uint32_t buffer[4], const uint32_t in[16])
{
	register uint32_t a, b, c, d;

	a = buffer[0];

		if (length < t) {
			memcpy(p, buffer_, length);
			return;
		}

		memcpy(p, buffer_, t);
		of_bswap32_vec_if_be(in.u32, 16);
		BSWAP32_VEC_IF_BE(in.u32, 16);
		md5_transform(buffer, in.u32);

		buffer_ += t;
		length -= t;
	}

	/* Process data in 64-byte chunks */
	while (length >= 64) {
		memcpy(in.u8, buffer_, 64);
		of_bswap32_vec_if_be(in.u32, 16);
		BSWAP32_VEC_IF_BE(in.u32, 16);
		md5_transform(buffer, in.u32);

		buffer_ += 64;
		length -= 64;
	}

	/* Handle any remaining bytes of data. */

	/* Bytes of padding needed to make 64 bytes */
	count = 64 - 1 - count;

	/* Pad out to 56 mod 64 */
	if (count < 8) {
		/* Two lots of padding: Pad the first block to 64 bytes */
		memset(p, 0, count);
		of_bswap32_vec_if_be(in.u32, 16);
		BSWAP32_VEC_IF_BE(in.u32, 16);
		md5_transform(buffer, in.u32);

		/* Now fill the next block with 56 bytes */
		memset(in.u8, 0, 56);
	} else {
		/* Pad block to 56 bytes */
		memset(p, 0, count - 8);
	}
	of_bswap32_vec_if_be(in.u32, 14);
	BSWAP32_VEC_IF_BE(in.u32, 14);

	/* Append length in bits and transform */
	in.u32[14] = bits[0];
	in.u32[15] = bits[1];

	md5_transform(buffer, in.u32);
	of_bswap32_vec_if_be(buffer, 4);
	BSWAP32_VEC_IF_BE(buffer, 4);

	calculated = YES;

	return (uint8_t*)buffer;
}
@end

	switch (type) {
	case OF_NUMBER_FLOAT:;
		union {
			float f;
			uint8_t b[sizeof(float)];
		} f;

		f.f = of_bswap_float_if_le(value.float_);
		f.f = OF_BSWAP_FLOAT_IF_LE(value.float_);

		OF_HASH_INIT(hash);

		for (i = 0; i < sizeof(float); i++)
			OF_HASH_ADD(hash, f.b[i]);

		OF_HASH_FINALIZE(hash);

		return hash;
	case OF_NUMBER_DOUBLE:;
		union {
			double d;
			uint8_t b[sizeof(double)];
		} d;

		d.d = of_bswap_double_if_le(value.double_);
		d.d = OF_BSWAP_DOUBLE_IF_LE(value.double_);

		OF_HASH_INIT(hash);

		for (i = 0; i < sizeof(double); i++)
			OF_HASH_ADD(hash, d.b[i]);

		OF_HASH_FINALIZE(hash);

- (uint16_t)readBigEndianInt16
{
	uint16_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 2];

	return of_bswap16_if_le(ret);
	return OF_BSWAP16_IF_LE(ret);
}

- (uint32_t)readBigEndianInt32
{
	uint32_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 4];

	return of_bswap32_if_le(ret);
	return OF_BSWAP32_IF_LE(ret);
}

- (uint64_t)readBigEndianInt64
{
	uint64_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 8];

	return of_bswap64_if_le(ret);
	return OF_BSWAP64_IF_LE(ret);
}

- (float)readBigEndianFloat
{
	float ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 4];

	return of_bswap_float_if_le(ret);
	return OF_BSWAP_FLOAT_IF_LE(ret);
}

- (double)readBigEndianDouble
{
	double ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 8];

	return of_bswap_double_if_le(ret);
	return OF_BSWAP_DOUBLE_IF_LE(ret);
}

- (size_t)readBigEndianInt16sIntoBuffer: (uint16_t*)buffer
				  count: (size_t)nInt16s
{
	size_t size = nInt16s * sizeof(uint16_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt16s; i++)
		buffer[i] = of_bswap16(buffer[i]);
		buffer[i] = OF_BSWAP16(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianInt32sIntoBuffer: (uint32_t*)buffer
				  count: (size_t)nInt32s
{
	size_t size = nInt32s * sizeof(uint32_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt32s; i++)
		buffer[i] = of_bswap32(buffer[i]);
		buffer[i] = OF_BSWAP32(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianInt64sIntoBuffer: (uint64_t*)buffer
				  count: (size_t)nInt64s
{
	size_t size = nInt64s * sizeof(uint64_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt64s; i++)
		buffer[i] = of_bswap64(buffer[i]);
		buffer[i] = OF_BSWAP64(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianFloatsIntoBuffer: (float*)buffer
				  count: (size_t)nFloats
{
	size_t size = nFloats * sizeof(float);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_FLOAT_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nFloats; i++)
		buffer[i] = of_bswap_float(buffer[i]);
		buffer[i] = OF_BSWAP_FLOAT(buffer[i]);
#endif

	return size;
}

- (size_t)readBigEndianDoublesIntoBuffer: (double*)buffer
				   count: (size_t)nDoubles
{
	size_t size = nDoubles * sizeof(double);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifndef OF_FLOAT_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nDoubles; i++)
		buffer[i] = of_bswap_double(buffer[i]);
		buffer[i] = OF_BSWAP_DOUBLE(buffer[i]);
#endif

	return size;
}

- (uint16_t)readLittleEndianInt16
{
	uint16_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 2];

	return of_bswap16_if_be(ret);
	return OF_BSWAP16_IF_BE(ret);
}

- (uint32_t)readLittleEndianInt32
{
	uint32_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 4];

	return of_bswap32_if_be(ret);
	return OF_BSWAP32_IF_BE(ret);
}

- (uint64_t)readLittleEndianInt64
{
	uint64_t ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 8];

	return of_bswap64_if_be(ret);
	return OF_BSWAP64_IF_BE(ret);
}

- (float)readLittleEndianFloat
{
	float ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 4];

	return of_bswap_float_if_be(ret);
	return OF_BSWAP_FLOAT_IF_BE(ret);
}

- (double)readLittleEndianDouble
{
	double ret;

	[self readIntoBuffer: (char*)&ret
		 exactLength: 8];

	return of_bswap_double_if_be(ret);
	return OF_BSWAP_DOUBLE_IF_BE(ret);
}

- (size_t)readLittleEndianInt16sIntoBuffer: (uint16_t*)buffer
				     count: (size_t)nInt16s
{
	size_t size = nInt16s * sizeof(uint16_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt16s; i++)
		buffer[i] = of_bswap16(buffer[i]);
		buffer[i] = OF_BSWAP16(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianInt32sIntoBuffer: (uint32_t*)buffer
				     count: (size_t)nInt32s
{
	size_t size = nInt32s * sizeof(uint32_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt32s; i++)
		buffer[i] = of_bswap32(buffer[i]);
		buffer[i] = OF_BSWAP32(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianInt64sIntoBuffer: (uint64_t*)buffer
				     count: (size_t)nInt64s
{
	size_t size = nInt64s * sizeof(uint64_t);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nInt64s; i++)
		buffer[i] = of_bswap64(buffer[i]);
		buffer[i] = OF_BSWAP64(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianFloatsIntoBuffer: (float*)buffer
				     count: (size_t)nFloats
{
	size_t size = nFloats * sizeof(float);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_FLOAT_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nFloats; i++)
		buffer[i] = of_bswap_float(buffer[i]);
		buffer[i] = OF_BSWAP_FLOAT(buffer[i]);
#endif

	return size;
}

- (size_t)readLittleEndianDoublesIntoBuffer: (double*)buffer
				      count: (size_t)nDoubles
{
	size_t size = nDoubles * sizeof(double);

	[self readIntoBuffer: buffer
		 exactLength: size];

#ifdef OF_FLOAT_BIG_ENDIAN
	size_t i;

	for (i = 0; i < nDoubles; i++)
		buffer[i] = of_bswap_double(buffer[i]);
		buffer[i] = OF_BSWAP_DOUBLE(buffer[i]);
#endif

	return size;
}

- (OFDataArray*)readDataArrayWithSize: (size_t)nItems
{

{
	[self writeBuffer: (char*)&int8
		   length: 1];
}

- (void)writeBigEndianInt16: (uint16_t)int16
{
	int16 = of_bswap16_if_le(int16);
	int16 = OF_BSWAP16_IF_LE(int16);

	[self writeBuffer: (char*)&int16
		   length: 2];
}

- (void)writeBigEndianInt32: (uint32_t)int32
{
	int32 = of_bswap32_if_le(int32);
	int32 = OF_BSWAP32_IF_LE(int32);

	[self writeBuffer: (char*)&int32
		   length: 4];
}

- (void)writeBigEndianInt64: (uint64_t)int64
{
	int64 = of_bswap64_if_le(int64);
	int64 = OF_BSWAP64_IF_LE(int64);

	[self writeBuffer: (char*)&int64
		   length: 8];
}

- (void)writeBigEndianFloat: (float)float_
{
	float_ = of_bswap_float_if_le(float_);
	float_ = OF_BSWAP_FLOAT_IF_LE(float_);

	[self writeBuffer: (char*)&float_
		   length: 4];
}

- (void)writeBigEndianDouble: (double)double_
{
	double_ = of_bswap_double_if_le(double_);
	double_ = OF_BSWAP_DOUBLE_IF_LE(double_);

	[self writeBuffer: (char*)&double_
		   length: 8];
}

- (size_t)writeBigEndianInt16s: (const uint16_t*)buffer
			 count: (size_t)nInt16s

	tmp = [self allocMemoryWithSize: sizeof(uint16_t)
				  count: nInt16s];

	@try {
		size_t i;

		for (i = 0; i < nInt16s; i++)
			tmp[i] = of_bswap16(buffer[i]);
			tmp[i] = OF_BSWAP16(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(uint32_t)
				  count: nInt32s];

	@try {
		size_t i;

		for (i = 0; i < nInt32s; i++)
			tmp[i] = of_bswap32(buffer[i]);
			tmp[i] = OF_BSWAP32(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(uint64_t)
				  count: nInt64s];

	@try {
		size_t i;

		for (i = 0; i < nInt64s; i++)
			tmp[i] = of_bswap64(buffer[i]);
			tmp[i] = OF_BSWAP64(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(float)
				  count: nFloats];

	@try {
		size_t i;

		for (i = 0; i < nFloats; i++)
			tmp[i] = of_bswap_float(buffer[i]);
			tmp[i] = OF_BSWAP_FLOAT(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(double)
				  count: nDoubles];

	@try {
		size_t i;

		for (i = 0; i < nDoubles; i++)
			tmp[i] = of_bswap_double(buffer[i]);
			tmp[i] = OF_BSWAP_DOUBLE(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (void)writeLittleEndianInt16: (uint16_t)int16
{
	int16 = of_bswap16_if_be(int16);
	int16 = OF_BSWAP16_IF_BE(int16);

	[self writeBuffer: (char*)&int16
		   length: 2];
}

- (void)writeLittleEndianInt32: (uint32_t)int32
{
	int32 = of_bswap32_if_be(int32);
	int32 = OF_BSWAP32_IF_BE(int32);

	[self writeBuffer: (char*)&int32
		   length: 4];
}

- (void)writeLittleEndianInt64: (uint64_t)int64
{
	int64 = of_bswap64_if_be(int64);
	int64 = OF_BSWAP64_IF_BE(int64);

	[self writeBuffer: (char*)&int64
		   length: 8];
}

- (void)writeLittleEndianFloat: (float)float_
{
	float_ = of_bswap_float_if_be(float_);
	float_ = OF_BSWAP_FLOAT_IF_BE(float_);

	[self writeBuffer: (char*)&float_
		   length: 4];
}

- (void)writeLittleEndianDouble: (double)double_
{
	double_ = of_bswap_double_if_be(double_);
	double_ = OF_BSWAP_DOUBLE_IF_BE(double_);

	[self writeBuffer: (char*)&double_
		   length: 8];
}

- (size_t)writeLittleEndianInt16s: (const uint16_t*)buffer
			    count: (size_t)nInt16s

	tmp = [self allocMemoryWithSize: sizeof(uint16_t)
				  count: nInt16s];

	@try {
		size_t i;

		for (i = 0; i < nInt16s; i++)
			tmp[i] = of_bswap16(buffer[i]);
			tmp[i] = OF_BSWAP16(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(uint32_t)
				  count: nInt32s];

	@try {
		size_t i;

		for (i = 0; i < nInt32s; i++)
			tmp[i] = of_bswap32(buffer[i]);
			tmp[i] = OF_BSWAP32(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(uint64_t)
				  count: nInt64s];

	@try {
		size_t i;

		for (i = 0; i < nInt64s; i++)
			tmp[i] = of_bswap64(buffer[i]);
			tmp[i] = OF_BSWAP64(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(float)
				  count: nFloats];

	@try {
		size_t i;

		for (i = 0; i < nFloats; i++)
			tmp[i] = of_bswap_float(buffer[i]);
			tmp[i] = OF_BSWAP_FLOAT(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

	tmp = [self allocMemoryWithSize: sizeof(double)
				  count: nDoubles];

	@try {
		size_t i;

		for (i = 0; i < nDoubles; i++)
			tmp[i] = of_bswap_double(buffer[i]);
			tmp[i] = OF_BSWAP_DOUBLE(buffer[i]);

		[self writeBuffer: tmp
			   length: size];
	} @finally {
		[self freeMemory: tmp];
	}
#endif

		if (c > 0x10FFFF)
			@throw [OFInvalidEncodingException
			    exceptionWithClass: [self class]];

		if (c > 0xFFFF) {
			c -= 0x10000;
			ret[j++] = of_bswap16_if_le(0xD800 | (c >> 10));
			ret[j++] = of_bswap16_if_le(0xDC00 | (c & 0x3FF));
			ret[j++] = OF_BSWAP16_IF_LE(0xD800 | (c >> 10));
			ret[j++] = OF_BSWAP16_IF_LE(0xDC00 | (c & 0x3FF));
		} else
			ret[j++] = of_bswap16_if_le(c);
			ret[j++] = OF_BSWAP16_IF_LE(c);
	}

	ret[j] = 0;

	@try {
		ret = [object resizeMemory: ret
				      size: sizeof(uint16_t)

		s->cStringLength = length;
		s->cString = [self allocMemoryWithSize: (length * 4) + 1];
		s->length = length;

		for (i = 0; i < length; i++) {
			char buffer[4];
			size_t characterLen = of_string_utf8_encode(
			    (swap ? of_bswap32(string[i]) : string[i]),
			    (swap ? OF_BSWAP32(string[i]) : string[i]),
			    buffer);

			switch (characterLen) {
			case 1:
				s->cString[j++] = buffer[0];
				break;
			case 2:

		s->cStringLength = length;
		s->cString = [self allocMemoryWithSize: (length * 4) + 1];
		s->length = length;

		for (i = 0; i < length; i++) {
			char buffer[4];
			of_unichar_t character =
			    (swap ? of_bswap16(string[i]) : string[i]);
			    (swap ? OF_BSWAP16(string[i]) : string[i]);
			size_t characterLen;

			/* Missing high surrogate */
			if ((character & 0xFC00) == 0xDC00)
				@throw [OFInvalidEncodingException
				    exceptionWithClass: [self class]];

			if ((character & 0xFC00) == 0xD800) {
				uint16_t nextCharacter;

				if (length <= i + 1)
					@throw [OFInvalidEncodingException
					    exceptionWithClass: [self class]];

				nextCharacter = (swap
				    ? of_bswap16(string[i + 1])
				    ? OF_BSWAP16(string[i + 1])
				    : string[i + 1]);
				character = (((character & 0x3FF) << 10) |
				    (nextCharacter & 0x3FF)) + 0x10000;

				i++;
				s->cStringLength--;
				s->length--;

		    exceptionWithClass: [self class]
				socket: self
				  host: host];
	}

	memset(&addr, 0, sizeof(addr));
	addr.sin_family = AF_INET;
	addr.sin_port = of_bswap16_if_le(port);
	addr.sin_port = OF_BSWAP16_IF_LE(port);

	if (he->h_addrtype != AF_INET ||
	    (sock = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
# ifdef OF_THREADS
		[addrlist release];
		[mutex unlock];
# endif

		    exceptionWithClass: [self class]
				socket: self
				  host: host];
	}

	memset(&addr, 0, sizeof(addr));
	addr.in.sin_family = AF_INET;
	addr.in.sin_port = of_bswap16_if_le(port);
	addr.in.sin_port = OF_BSWAP16_IF_LE(port);

	if (he->h_addrtype != AF_INET || he->h_addr_list[0] == NULL) {
# ifdef OF_THREADS
		[mutex unlock];
# endif
		@throw [OFAddressTranslationFailedException
		    exceptionWithClass: [self class]

		@throw [OFBindFailedException exceptionWithClass: [self class]
							  socket: self
							    host: host
							    port: port];
	}

	if (addr.storage.ss_family == AF_INET)
		return of_bswap16_if_le(addr.in.sin_port);
		return OF_BSWAP16_IF_LE(addr.in.sin_port);
	if (addr.storage.ss_family == AF_INET6)
		return of_bswap16_if_le(addr.in6.sin6_port);
		return OF_BSWAP16_IF_LE(addr.in6.sin6_port);

	close(sock);
	sock = INVALID_SOCKET;
	@throw [OFBindFailedException exceptionWithClass: [self class]
						  socket: self
						    host: host
						    port: port];

#define OF_IVAR_OFFSET(ivar) ((intptr_t)&ivar - (intptr_t)self)
#define OF_GETTER(ivar, atomic) \
	return objc_getProperty(self, _cmd, OF_IVAR_OFFSET(ivar), atomic);
#define OF_SETTER(ivar, value, atomic, copy) \
	objc_setProperty(self, _cmd, OF_IVAR_OFFSET(ivar), value, atomic, copy);

static OF_INLINE uint16_t OF_CONST_FUNC
of_bswap16_const(uint16_t i)
OF_BSWAP16_CONST(uint16_t i)
{
	return (i & UINT16_C(0xFF00)) >> 8 |
	    (i & UINT16_C(0x00FF)) << 8;
}

static OF_INLINE uint32_t OF_CONST_FUNC
of_bswap32_const(uint32_t i)
OF_BSWAP32_CONST(uint32_t i)
{
	return (i & UINT32_C(0xFF000000)) >> 24 |
	    (i & UINT32_C(0x00FF0000)) >>  8 |
	    (i & UINT32_C(0x0000FF00)) <<  8 |
	    (i & UINT32_C(0x000000FF)) << 24;
}

static OF_INLINE uint64_t OF_CONST_FUNC
of_bswap64_const(uint64_t i)
OF_BSWAP64_CONST(uint64_t i)
{
	return (i & UINT64_C(0xFF00000000000000)) >> 56 |
	    (i & UINT64_C(0x00FF000000000000)) >> 40 |
	    (i & UINT64_C(0x0000FF0000000000)) >> 24 |
	    (i & UINT64_C(0x000000FF00000000)) >>  8 |
	    (i & UINT64_C(0x00000000FF000000)) <<  8 |
	    (i & UINT64_C(0x0000000000FF0000)) << 24 |
	    (i & UINT64_C(0x000000000000FF00)) << 40 |
	    (i & UINT64_C(0x00000000000000FF)) << 56;
}

static OF_INLINE uint16_t OF_CONST_FUNC
of_bswap16_nonconst(uint16_t i)
OF_BSWAP16_NONCONST(uint16_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	__asm__ (
	    "xchgb	%h0, %b0"
	    : "=Q"(i)
	    : "0"(i)
	);

	i = (i & UINT16_C(0xFF00)) >> 8 |
	    (i & UINT16_C(0x00FF)) << 8;
#endif
	return i;
}

static OF_INLINE uint32_t OF_CONST_FUNC
of_bswap32_nonconst(uint32_t i)
OF_BSWAP32_NONCONST(uint32_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	__asm__ (
	    "bswap	%0"
	    : "=q"(i)
	    : "0"(i)
	);

	    (i & UINT32_C(0x0000FF00)) <<  8 |
	    (i & UINT32_C(0x000000FF)) << 24;
#endif
	return i;
}

static OF_INLINE uint64_t OF_CONST_FUNC
of_bswap64_nonconst(uint64_t i)
OF_BSWAP64_NONCONST(uint64_t i)
{
#if defined(OF_AMD64_ASM)
	__asm__ (
	    "bswap	%0"
	    : "=r"(i)
	    : "0"(i)
	);
#elif defined(OF_X86_ASM)
	__asm__ (
	    "bswap	%%eax\n\t"
	    "bswap	%%edx\n\t"
	    "xchgl	%%eax, %%edx"
	    : "=A"(i)
	    : "0"(i)
	);
#else
	i = (uint64_t)of_bswap32_nonconst((uint32_t)(i & 0xFFFFFFFF)) << 32 |
	    of_bswap32_nonconst((uint32_t)(i >> 32));
	i = (uint64_t)OF_BSWAP32_NONCONST((uint32_t)(i & 0xFFFFFFFF)) << 32 |
	    OF_BSWAP32_NONCONST((uint32_t)(i >> 32));
#endif
	return i;
}

#ifdef __GNUC__
# define of_bswap16(i) \
	(__builtin_constant_p(i) ? of_bswap16_const(i) : of_bswap16_nonconst(i))
# define of_bswap32(i) \
	(__builtin_constant_p(i) ? of_bswap32_const(i) : of_bswap32_nonconst(i))
# define of_bswap64(i) \
	(__builtin_constant_p(i) ? of_bswap64_const(i) : of_bswap64_nonconst(i))
# define OF_BSWAP16(i) \
	(__builtin_constant_p(i) ? OF_BSWAP16_CONST(i) : OF_BSWAP16_NONCONST(i))
# define OF_BSWAP32(i) \
	(__builtin_constant_p(i) ? OF_BSWAP32_CONST(i) : OF_BSWAP32_NONCONST(i))
# define OF_BSWAP64(i) \
	(__builtin_constant_p(i) ? OF_BSWAP64_CONST(i) : OF_BSWAP64_NONCONST(i))
#else
# define of_bswap16(i) of_bswap16_const(i)
# define of_bswap32(i) of_bswap32_const(i)
# define of_bswap64(i) of_bswap64_const(i)
# define OF_BSWAP16(i) OF_BSWAP16_CONST(i)
# define OF_BSWAP32(i) OF_BSWAP32_CONST(i)
# define OF_BSWAP64(i) OF_BSWAP64_CONST(i)
#endif

static OF_INLINE float OF_CONST_FUNC
of_bswap_float(float f)
OF_BSWAP_FLOAT(float f)
{
	union {
		float f;
		uint32_t i;
	} u;

	u.f = f;
	u.i = of_bswap32(u.i);
	u.i = OF_BSWAP32(u.i);

	return u.f;
}

static OF_INLINE double OF_CONST_FUNC
of_bswap_double(double d)
OF_BSWAP_DOUBLE(double d)
{
	union {
		double d;
		uint64_t i;
	} u;

	u.d = d;
	u.i = of_bswap64(u.i);
	u.i = OF_BSWAP64(u.i);

	return u.d;
}

static OF_INLINE void
of_bswap32_vec(uint32_t *buffer, size_t length)
{
	while (length--) {
		*buffer = of_bswap32(*buffer);
		buffer++;
	}
}

#ifdef OF_BIG_ENDIAN
# define of_bswap16_if_be(i) of_bswap16(i)
# define of_bswap32_if_be(i) of_bswap32(i)
# define of_bswap64_if_be(i) of_bswap64(i)
# define of_bswap16_if_le(i) (i)
# define of_bswap32_if_le(i) (i)
# define of_bswap64_if_le(i) (i)
# define OF_BSWAP16_IF_BE(i) OF_BSWAP16(i)
# define OF_BSWAP32_IF_BE(i) OF_BSWAP32(i)
# define OF_BSWAP64_IF_BE(i) OF_BSWAP64(i)
# define OF_BSWAP16_IF_LE(i) (i)
# define OF_BSWAP32_IF_LE(i) (i)
# define OF_BSWAP64_IF_LE(i) (i)
# define of_bswap32_vec_if_be(buffer, length) of_bswap32_vec(buffer, length)
#else
# define of_bswap16_if_be(i) (i)
# define of_bswap32_if_be(i) (i)
# define of_bswap64_if_be(i) (i)
# define of_bswap16_if_le(i) of_bswap16(i)
# define of_bswap32_if_le(i) of_bswap32(i)
# define of_bswap64_if_le(i) of_bswap64(i)
# define OF_BSWAP16_IF_BE(i) (i)
# define OF_BSWAP32_IF_BE(i) (i)
# define OF_BSWAP64_IF_BE(i) (i)
# define OF_BSWAP16_IF_LE(i) OF_BSWAP16(i)
# define OF_BSWAP32_IF_LE(i) OF_BSWAP32(i)
# define OF_BSWAP64_IF_LE(i) OF_BSWAP64(i)
# define of_bswap32_vec_if_be(buffer, length)
#endif

#ifdef OF_FLOAT_BIG_ENDIAN
# define of_bswap_float_if_be(i) of_bswap_float(i)
# define of_bswap_double_if_be(i) of_bswap_double(i)
# define of_bswap_float_if_le(i) (i)
# define of_bswap_double_if_le(i) (i)
# define OF_BSWAP_FLOAT_IF_BE(i) OF_BSWAP_FLOAT(i)
# define OF_BSWAP_DOUBLE_IF_BE(i) OF_BSWAP_DOUBLE(i)
# define OF_BSWAP_FLOAT_IF_LE(i) (i)
# define OF_BSWAP_DOUBLE_IF_LE(i) (i)
#else
# define of_bswap_float_if_be(i) (i)
# define of_bswap_double_if_be(i) (i)
# define of_bswap_float_if_le(i) of_bswap_float(i)
# define of_bswap_double_if_le(i) of_bswap_double(i)
# define OF_BSWAP_FLOAT_IF_BE(i) (i)
# define OF_BSWAP_DOUBLE_IF_BE(i) (i)
# define OF_BSWAP_FLOAT_IF_LE(i) OF_BSWAP_FLOAT(i)
# define OF_BSWAP_DOUBLE_IF_LE(i) OF_BSWAP_DOUBLE(i)
#endif

/*
 * We define it here and not in objfw-defs.h, as it would be theoretically
 * possible to build a universal binary for Mac OS X and iOS.
 */
#if defined(__MACH__) && defined(__arm__)