ObjFW  Diff

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

				nextCharacter = (swap
				    ? OF_BSWAP16(string[i + 1])
				    : string[i + 1]);

				if ((nextCharacter & 0xFC00) != 0xDC00)
					@throw [OFInvalidEncodingException
					    exceptionWithClass: [self class]];

				character = (((character & 0x3FF) << 10) |
				    (nextCharacter & 0x3FF)) + 0x10000;

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

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

		ret[j++] = c;
		i += cLen;
	}

	return ret;
}

- (const of_unichar_t*)UTF32StringWithByteOrder: (of_byte_order_t)byteOrder
{
	OFObject *object = [[[OFObject alloc] init] autorelease];
	of_unichar_t *ret;
	size_t i, j;

	ret = [object allocMemoryWithSize: sizeof(of_unichar_t)
				    count: s->length + 1];

	i = j = 0;

	while (i < s->cStringLength) {
		of_unichar_t c;
		size_t cLen;

		cLen = of_string_utf8_decode(s->cString + i,
		    s->cStringLength - i, &c);

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

		if (byteOrder != OF_BYTE_ORDER_NATIVE)
			ret[j++] = OF_BSWAP32(c);
		else
			ret[j++] = c;

		i += cLen;
	}
	ret[j] = 0;

	return ret;
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{