code style

src/ebusd/bushandler.h

@@ -146,7 +146,7 @@ class PollRequest : public BusRequest {
 	 * Constructor.
 	 * @param message the associated @a Message.
 	 */
-	PollRequest(Message* message)
+	explicit PollRequest(Message* message)
 		: BusRequest(m_master, true), m_message(message), m_index(0) {}
 
 	/**

src/ebusd/datahandler.h

@@ -128,7 +128,7 @@ class DataSource : virtual public DataHandler {
 	 * Constructor.
 	 * @param busHandler the @a BusHandler instance.
 	 */
-	DataSource(BusHandler* busHandler)
+	explicit DataSource(BusHandler* busHandler)
 		: m_busHandler(busHandler) {}
 
 	/**

src/ebusd/mainloop.cpp

@@ -1047,17 +1047,19 @@ string MainLoop::executeFind(vector<string> &args) {
 			if (verbosity == (OF_NAMES|OF_UNITS|OF_COMMENTS)) {
 				unsigned char dstAddress = message->getDstAddress();
 				if (dstAddress != SYN) {
-					sprintf(str, "%02x", dstAddress);
+					snprintf(str, sizeof(str), "%02x", dstAddress);
 				} else if (lastup != 0 && message->getLastMasterData().size() > 1) {
-					sprintf(str, "%02x", message->getLastMasterData()[1]);
+					snprintf(str, sizeof(str), "%02x", message->getLastMasterData()[1]);
 				} else {
-					sprintf(str, "any");
+					snprintf(str, sizeof(str), "any");
 				}
 				if (lastup != 0) {
-					struct tm* td = localtime(&lastup);
-					sprintf(str+strlen(str), ", lastup=%04d-%02d-%02d %02d:%02d:%02d",
-						td->tm_year+1900, td->tm_mon+1, td->tm_mday,
-						td->tm_hour, td->tm_min, td->tm_sec);
+					struct tm td;
+					localtime_r(&lastup, &td);
+					size_t len = strlen(str);
+					snprintf(str+len, sizeof(str)-len, ", lastup=%04d-%02d-%02d %02d:%02d:%02d",
+						td.tm_year+1900, td.tm_mon+1, td.tm_mday,
+						td.tm_hour, td.tm_min, td.tm_sec);
 				}
 				result << " [ZZ=" << str;
 				if (message->isPassive()) {
@@ -1187,7 +1189,7 @@ string MainLoop::executeScan(vector<string> &args) {
 string MainLoop::executeLog(vector<string> &args) {
 	if (args.size() == 1) {
 		ostringstream ret;
-		char str[32];
+		char str[48];
 		if (getLogFacilities(str)) {
 			ret << str << ' ';
 		}

src/ebusd/network.h

@@ -44,7 +44,7 @@ class NetMessage {
 	 * Constructor.
 	 * @param isHttp whether this is a HTTP message.
 	 */
-	NetMessage(const bool isHttp)
+	explicit NetMessage(const bool isHttp)
 		: m_isHttp(isHttp), m_resultSet(false), m_disconnect(false), m_listening(false), m_listenSince(0) {
 		pthread_mutex_init(&m_mutex, NULL);
 		pthread_cond_init(&m_cond, NULL);

src/lib/ebus/contrib/tem.h

@@ -46,7 +46,7 @@ class TemParamDataType : public NumberDataType {
 	 * Constructs a new instance.
 	 * @param id the type identifier.
 	 */
-	TemParamDataType(const string id)
+	explicit TemParamDataType(const string id)
 		: NumberDataType(id, 16, 0, 0xffff, 0, 0xffff, 0) {}
 
 	// @copydoc

src/lib/ebus/filereader.h

@@ -74,7 +74,7 @@ class FileReader {
 	/**
 	 * Construct a new instance.
 	 */
-	FileReader(bool supportsDefaults)
+	explicit FileReader(bool supportsDefaults)
 			: m_supportsDefaults(supportsDefaults) {}
 
 	/**

src/lib/ebus/message.cpp

@@ -447,7 +447,7 @@ result_t Message::create(vector<string>::iterator& it, const vector<string>::ite
 		unsigned char dstAddress = *it;
 		string useCircuit = circuit;
 		if (multiple) {
-			sprintf(num, ".%d", index);
+			snprintf(num, sizeof(num), ".%d", index);
 			useCircuit = useCircuit + num;
 		}
 		Message* message;

src/lib/ebus/message.h

@@ -1136,7 +1136,7 @@ class MessageMap : public FileReader {
 	 * Construct a new instance.
 	 * @param addAll whether to add all messages, even if duplicate.
 	 */
-	MessageMap(const bool addAll = false) : FileReader::FileReader(true),
+	explicit MessageMap(const bool addAll = false) : FileReader::FileReader(true),
 		m_addAll(addAll), m_maxIdLength(0), m_messageCount(0), m_conditionalMessageCount(0), m_passiveMessageCount(0) {
 		m_scanMessage = Message::createScanMessage();
 	}

src/lib/ebus/symbol.h

@@ -84,7 +84,7 @@ class SymbolString {
 	 * Creates a new empty escaped or unescaped instance.
 	 * @param escaped whether to create an escaped instance.
 	 */
-	SymbolString(const bool escaped = true) : m_unescapeState(escaped ? 0 : 1), m_crc(0) {}
+	explicit SymbolString(const bool escaped = true) : m_unescapeState(escaped ? 0 : 1), m_crc(0) {}
 
 	/**
 	 * Add all symbols from the other @a SymbolString and the calculated CRC if escaped.

src/lib/utils/log.cpp

@@ -79,17 +79,18 @@ bool setLogFacilities(const char* facilities) {
 
 bool getLogFacilities(char* buffer) {
 	if (s_logFacilites == LF_ALL) {
-		return strcpy(buffer, facilityNames[lf_COUNT]) != NULL;
+		return snprintf(buffer, 48, "%s", facilityNames[lf_COUNT]) != 0;
 	}
 	*buffer = 0; // for strcat to work
 	bool found = false;
+	size_t len = 0;
 	for (int val = 0; val < lf_COUNT; val++) {
 		if (s_logFacilites&(1 << val)) {
 			if (found) {
-				strcat(buffer, ",");
+				len += snprintf(buffer+len, 48-len, ",");
 			}
 			found = true;
-			strcat(buffer, facilityNames[val]);
+			len += snprintf(buffer+len, 48-len, "%s", facilityNames[val]);
 		}
 	}
 	return true;
@@ -142,14 +143,14 @@ bool needsLog(const LogFacility facility, const LogLevel level) {
 
 void logWrite(const char* facility, const char* level, const char* message, va_list ap) {
 	struct timespec ts;
-	struct tm* tm;
+	struct tm td;
 	clockGettime(&ts);
-	tm = localtime(&ts.tv_sec);
+	localtime_r(&ts.tv_sec, &td);
 	char* buf;
 	if (vasprintf(&buf, message, ap) >= 0 && buf) {
 		fprintf(s_logFile, "%04d-%02d-%02d %02d:%02d:%02d.%03ld [%s %s] %s\n",
-			tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
-			tm->tm_hour, tm->tm_min, tm->tm_sec, ts.tv_nsec/1000000,
+			td.tm_year+1900, td.tm_mon+1, td.tm_mday,
+			td.tm_hour, td.tm_min, td.tm_sec, ts.tv_nsec/1000000,
 			facility, level, buf);
 		fflush(s_logFile);
 	}

src/lib/utils/log.h

@@ -53,7 +53,7 @@ bool setLogFacilities(const char* facilities);
 
 /**
  * Get the log facilities.
- * @param buffer the buffer into which the facilities are written to (separated by comma, buffer needs to be at last 32 characters long).
+ * @param buffer the buffer into which the facilities are written to (separated by comma, buffer needs to be at last 48 characters long).
  * @return true on success, false on error.
  */
 bool getLogFacilities(char* buffer);

src/lib/utils/rotatefile.cpp

@@ -58,12 +58,12 @@ void RotateFile::write(unsigned char* value, unsigned int size, bool received) {
 	}
 	if (m_textMode) {
 		struct timespec ts;
-		struct tm* tm;
+		struct tm td;
 		clockGettime(&ts);
-		tm = localtime(&ts.tv_sec);
+		localtime_r(&ts.tv_sec, &td);
 		fprintf(m_stream, "%04d-%02d-%02d %02d:%02d:%02d.%03ld %c",
-			tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
-			tm->tm_hour, tm->tm_min, tm->tm_sec, ts.tv_nsec/1000000,
+			td.tm_year+1900, td.tm_mon+1, td.tm_mday,
+			td.tm_hour, td.tm_min, td.tm_sec, ts.tv_nsec/1000000,
 			received ? '<' : '>');
 		for (unsigned int pos = 0; pos < size; pos++) {
 			fprintf(m_stream, "%2.2x ", value[pos]);