ObjFW  Diff

		bool chunked = [[_headers objectForKey: @"Transfer-Encoding"]
		    isEqual: @"chunked"];
		OFString *contentLengthString =
		    [_headers objectForKey: @"Content-Length"];
		intmax_t contentLength = 0;

		if (contentLengthString != nil) {
			if (chunked || contentLengthString.length == 0)
				return [self sendErrorAndClose: 400];

			@try {
				contentLength =
				    contentLengthString.decimalValue;
			} @catch (OFInvalidFormatException *e) {
				return [self sendErrorAndClose: 400];

			if (_socket.atEndOfStream &&
			    range.location == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidFormatException exception];
		}

		if ((_toRead = line.hexadecimalValue) < 0)

			@throw [OFOutOfRangeException exception];

		if (_toRead == 0) {
			_setAtEndOfStream = true;
			_toRead = -2;
		}