diff -r 1c74985d4c4e -r 63154f9d24a2 AlsaBridge.cpp
--- a/AlsaBridge.cpp	Tue Apr 15 22:44:31 2025 +0200
+++ b/AlsaBridge.cpp	Tue Apr 15 22:45:25 2025 +0200
@@ -1,6 +1,6 @@
 /**
  * DJM-Fix
- * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
+ * Copyright © 2025 František Kučera (Frantovo.cz, GlobalCode.info)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -67,18 +67,24 @@
 		}
 
 		if (cardNumbers.size() == 1) {
-			logger->log(L::INFO, "Going to fix card #" + std::to_string(cardNumbers[0]));
-			return "hw:" + std::to_string(cardNumbers[0]);
+			const auto n = std::to_string(cardNumbers[0]);
+			logger->log(L::INFO, "Going to fix card #" + n);
+			return "hw:" + n;
 		} else if (cardNumbers.empty()) {
-			throw std::invalid_argument("No card with matching name found. Is the card connected? Maybe try to provide different name pattern.");
+			throw std::invalid_argument(
+					"No card with matching name found. Is the card connected? "
+					"Maybe try to provide different name pattern.");
 		} else {
-			throw std::invalid_argument("Multiple cards with matching name found. Please provide a name pattern that matches only one card");
+			throw std::invalid_argument(
+					"Multiple cards with matching name found. "
+					"Please provide a name pattern that matches only one card");
 		}
 	}
 
 	std::string toString(const MidiMessage& midiMessage) {
 		std::stringstream result;
-		for (uint8_t b : midiMessage) result << std::hex << std::setw(2) << std::setfill('0') << (int) b;
+		for (uint8_t b : midiMessage)
+			result << std::hex << std::setw(2) << std::setfill('0') << (int) b;
 		return result.str();
 	}
 
@@ -87,11 +93,11 @@
 			{
 				std::lock_guard<std::recursive_mutex> lock(midiMutex);
 				// TODO: poll
-				uint8_t buffer[256];
-				ssize_t length = snd_rawmidi_read(input, buffer, sizeof (buffer));
-				if (length > 0 && length <= sizeof (buffer)) {
+				uint8_t buf[256];
+				ssize_t length = snd_rawmidi_read(input, buf, sizeof (buf));
+				if (length > 0 && length <= sizeof (buf)) {
 					// TODO: multiple messages combined together?
-					djmFix->receive(MidiMessage(buffer, buffer + length));
+					djmFix->receive(MidiMessage(buf, buf + length));
 				}
 			}
 			std::this_thread::sleep_for(std::chrono::milliseconds(100));
@@ -99,15 +105,21 @@
 	}
 public:
 
-	AlsaBridgeImpl(djmfix::DJMFix* djmFix, const std::string& cardNamePattern, djmfix::logging::Logger* logger) : djmFix(djmFix), logger(logger ? logger : djmfix::logging::blackhole()) {
-		if (djmFix == nullptr) throw std::invalid_argument("Need a djmFix for AlsaBridge.");
+	AlsaBridgeImpl(
+			djmfix::DJMFix* djmFix,
+			const std::string& cardNamePattern,
+			djmfix::logging::Logger* logger)
+	: djmFix(djmFix), logger(logger ? logger : djmfix::logging::blackhole()) //
+	{
+		if (djmFix == nullptr)
+			throw std::invalid_argument("Need a djmFix for AlsaBridge.");
 
 		std::string deviceName = findDeviceName(std::regex(cardNamePattern));
 
-		int error = snd_rawmidi_open(&input, &output, deviceName.c_str(), SND_RAWMIDI_NONBLOCK);
+		int mode = SND_RAWMIDI_NONBLOCK;
+		int error = snd_rawmidi_open(&input, &output, deviceName.c_str(), mode);
 		if (error) throw std::invalid_argument("Unable to open ALSA device.");
 
-
 		djmFix->setMidiSender(this);
 	}
 
@@ -129,15 +141,21 @@
 		djmFix->stop();
 	}
 
-	virtual void send(MidiMessage midiMessage) override {
+	virtual void send(MidiMessage msg) override {
 		std::lock_guard<std::recursive_mutex> lock(midiMutex);
-		ssize_t length = snd_rawmidi_write(output, midiMessage.data(), midiMessage.size());
-		logger->log(L::FINE, "Sent message: length = " + std::to_string(length) + " data = " + toString(midiMessage));
+		ssize_t length = snd_rawmidi_write(output, msg.data(), msg.size());
+		logger->log(L::FINE, "Sent message:"
+				" length = " + std::to_string(length)
+				+ " data = " + toString(msg));
 	}
 
 };
 
-AlsaBridge* create(djmfix::DJMFix* djmFix, const std::string& deviceName, djmfix::logging::Logger* logger) {
+AlsaBridge* create(
+		djmfix::DJMFix* djmFix,
+		const std::string& deviceName,
+		djmfix::logging::Logger* logger) //
+{
 	return new AlsaBridgeImpl(djmFix, deviceName, logger);
 }