Avoid the use of ConvToStr in string concatenation.

This function calls INSP_FORMAT in most cases nowadays so we may
as well just call that manually.

include/modules/regex.h

@@ -139,7 +139,7 @@ public:
 	 * @param error The error which occurred whilst compiling the regular expression.
 	*/
 	Exception(const Module* mod, const std::string& regex, const std::string& error)
-		: ModuleException(mod, "Error in regex '" + regex + "': " + error)
+		: ModuleException(mod, INSP_FORMAT("Error in regex '{}': {}", regex, error))
 	{
 	}
 
@@ -150,7 +150,7 @@ public:
 	 * @param offset The offset at which the errror occurred.
 	*/
 	Exception(const Module* mod, const std::string& regex, const std::string& error, size_t offset)
-		: ModuleException(mod, "Error in regex '" + regex + "' at offset " + ConvToStr(offset) + ": " + error)
+		: ModuleException(mod, INSP_FORMAT("Error in regex '{}' at offset {}: {}", regex, offset, error))
 	{
 	}
 };

include/timeutils.h

@@ -29,9 +29,10 @@ namespace Duration
 	 * seconds. If called with this duration 33,019,565 will be returned.
 	 *
 	 * @param str A string containing a duration.
+	 * @param base The base time to use for leap year calculation.
 	 * @return Either the number of seconds in the duration or 0 on error.
 	 */
-	CoreExport unsigned long From(const std::string& str);
+	CoreExport unsigned long From(const std::string& str, time_t base = 0);
 
 	/** Determines whether a duration string is valid.
 	 * @param str The duration string to check.
@@ -54,9 +55,10 @@ namespace Duration
 	 *
 	 * @param str A string containing a duration.
 	 * @param duration The location to store the resulting duration.
+	 * @param base The base time to use for leap year calculation.
 	 * @return True if the conversion succeeded; otherwise, false.
 	 */
-	CoreExport bool TryFrom(const std::string& str, unsigned long& duration);
+	CoreExport bool TryFrom(const std::string& str, unsigned long& duration, time_t base = 0);
 }
 
 namespace Time

src/configparser.cpp

@@ -348,7 +348,7 @@ FilePosition::FilePosition(const std::string& Name, unsigned long Line, unsigned
 
 std::string FilePosition::str() const
 {
-	return name + ":" + ConvToStr(line) + ":" + ConvToStr(column);
+	return INSP_FORMAT("{}:{}:{}", name, line, column);
 }
 
 void ParseStack::DoInclude(const std::shared_ptr<ConfigTag>& tag, int flags)
@@ -588,7 +588,7 @@ std::string ConfigTag::getString(const std::string& key, const std::string& def,
 
 	if (res.length() < minlen || res.length() > maxlen)
 	{
-		LogMalformed(key, res, def, "not between " + ConvToStr(minlen) + " and " + ConvToStr(maxlen)  + " characters in length");
+		LogMalformed(key, res, def, INSP_FORMAT("not between {} and {} characters in length", minlen, maxlen));
 		return def;
 	}
 	return res;
@@ -629,7 +629,7 @@ namespace
 
 			default:
 				num = def;
-				tag->LogMalformed(key, val, ConvToStr(def), "contains an invalid magnitude specifier (" + ConvToStr(*tail) +")");
+				tag->LogMalformed(key, val, ConvToStr(def), INSP_FORMAT("contains an invalid magnitude specifier ({})", *tail));
 				return;
 		}
 	}
@@ -649,7 +649,7 @@ namespace
 		if (num >= min && num <= max)
 			return;
 
-		tag->LogMalformed(key, ConvToStr(num), ConvToStr(def), "not between " + ConvToStr(min) + " and " + ConvToStr(max));
+		tag->LogMalformed(key, ConvToStr(num), ConvToStr(def), INSP_FORMAT("not between {} and {}", min, max));
 		num = def;
 	}
 }

src/configreader.cpp

@@ -281,7 +281,7 @@ void ServerConfig::CrossCheckConnectBlocks(ServerConfig* current)
 				throw CoreException("Connect class must have allow, deny, or name specified at " + tag->source.str());
 
 			if (name.empty())
-				name = "unnamed-" + ConvToStr(i);
+				name = INSP_FORMAT("unnamed-{}", i);
 
 			if (names.find(name) != names.end())
 				throw CoreException("Two connect classes with name \"" + name + "\" defined!");

src/helperfuncs.cpp

@@ -403,7 +403,7 @@ static constexpr unsigned int duration_multi[] =
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 };
 
-bool Duration::TryFrom(const std::string& str, unsigned long& duration)
+bool Duration::TryFrom(const std::string& str, unsigned long& duration, time_t base)
 {
 	unsigned long total = 0;
 	unsigned long subtotal = 0;
@@ -437,10 +437,10 @@ bool Duration::TryFrom(const std::string& str, unsigned long& duration)
 	return true;
 }
 
-unsigned long Duration::From(const std::string& str)
+unsigned long Duration::From(const std::string& str, time_t base)
 {
 	unsigned long out = 0;
-	Duration::TryFrom(str, out);
+	Duration::TryFrom(str, out, base);
 	return out;
 }
 

src/modules/extra/m_ssl_gnutls.cpp

@@ -292,7 +292,8 @@ namespace GnuTLS
 			if (ret < 0)
 			{
 				// gnutls did not understand the user supplied string
-				throw Exception("Unable to initialize priorities to \"" + priorities + "\": " + gnutls_strerror(ret) + " Syntax error at position " + ConvToStr((unsigned int) (prioerror - priocstr)));
+				throw Exception(INSP_FORMAT("Unable to initialize priorities to \"{}\": {} Syntax error at position {}.",
+					priorities, gnutls_strerror(ret), static_cast<size_t>(prioerror - priocstr)));
 			}
 		}
 

src/modules/m_chanhistory.cpp

@@ -281,9 +281,9 @@ public:
 
 		if ((prefixmsg) && (!batchcap.IsEnabled(localuser)))
 		{
-			std::string message("Replaying up to " + ConvToStr(list->maxlen) + " lines of pre-join history");
+			auto message = INSP_FORMAT("Replaying up to {} lines of pre-join history", list->maxlen);
 			if (list->maxtime > 0)
-				message.append(" from the last " + Duration::ToString(list->maxtime));
+				message += INSP_FORMAT(" from the last {}", Duration::ToString(list->maxtime));
 			memb->WriteNotice(message);
 		}
 

src/modules/m_cloak_md5.cpp

@@ -299,13 +299,13 @@ public:
 		// Ensure that we have the <cloak:key> parameter.
 		const std::string key = tag->getString("key");
 		if (key.empty())
-			throw ModuleException(creator, "You have not defined a cloaking key. Define <cloak:key> as a " + ConvToStr(minkeylen) + "+ character network-wide secret, at " + tag->source.str());
+			throw ModuleException(creator, INSP_FORMAT("You have not defined a cloaking key. Define <cloak:key> as a {}+ character network-wide secret, at {}", minkeylen, tag->source.str()));
 
 		// If we are the first cloak method then mandate a strong key.
 		if (primary)
 		{
 			if (key.length() < minkeylen)
-				throw ModuleException(creator, "Your cloaking key is not secure. It should be at least " + ConvToStr(minkeylen) + " characters long, at " + tag->source.str());
+				throw ModuleException(creator, INSP_FORMAT("Your cloaking key is not secure. It should be at least {} characters long, at {}", minkeylen, tag->source.str()));
 
 			ServerInstance->Logs.Normal(MODNAME, "The {} cloak method is deprecated and will be removed in the next major version of InspIRCd. Consider migrating to cloak_sha256 instead. See " INSPIRCD_DOCS "modules/cloak_md5 for more information.",
 				name.c_str() + 6);

src/modules/m_cloak_sha256.cpp

@@ -311,7 +311,7 @@ public:
 		// Ensure that we have the <cloak:key> parameter.
 		const std::string key = tag->getString("key");
 		if (key.length() < minkeylen)
-			throw ModuleException(creator, "Your cloak key should be at least " + ConvToStr(minkeylen) + " characters long, at " + tag->source.str());
+			throw ModuleException(creator, INSP_FORMAT("Your cloak key should be at least {} characters long, at {}", minkeylen, tag->source.str()));
 
 		psl_ctx_t* psl = nullptr;
 		std::string psldb = tag->getString("psl");

src/modules/m_dnsbl.cpp

@@ -710,9 +710,9 @@ public:
 				dnsbl->name, dnsbl->stats_hits, dnsbl->stats_misses, dnsbl->stats_errors));
 		}
 
-		stats.AddGenericRow("Total DNSBL hits: " + ConvToStr(total_hits));
-		stats.AddGenericRow("Total DNSBL misses: " + ConvToStr(total_misses));
-		stats.AddGenericRow("Total DNSBL errors: " + ConvToStr(total_errors));
+		stats.AddGenericRow(INSP_FORMAT("Total DNSBL hits: {}", total_hits));
+		stats.AddGenericRow(INSP_FORMAT("Total DNSBL misses: {}", total_misses));
+		stats.AddGenericRow(INSP_FORMAT("Total DNSBL errors: {}", total_errors));
 		return MOD_RES_DENY;
 	}
 };

src/modules/m_filter.cpp

@@ -995,7 +995,7 @@ bool ModuleFilter::WriteDatabase()
 			return true;
 		}
 
-		const std::string newfilterconf = filterconf + ".new." + ConvToStr(ServerInstance->Time());
+		const auto newfilterconf = INSP_FORMAT("{}.new.{}", filterconf, ServerInstance->Time());
 		std::ofstream stream(newfilterconf.c_str());
 		if (!stream.is_open()) // Filesystem probably not writable.
 		{

src/modules/m_pbkdf2.cpp

@@ -67,7 +67,8 @@ public:
 	{
 		if (!IsValid())
 			return "";
-		return ConvToStr(this->iterations) + ":" + Base64::Encode(this->hash) + ":" + Base64::Encode(this->salt);
+
+		return INSP_FORMAT("{}:{}:{}", this->iterations, Base64::Encode(this->hash), Base64::Encode(this->salt));
 	}
 
 	bool IsValid() const

src/modules/m_permchannels.cpp

@@ -74,7 +74,7 @@ static bool WriteDatabase(PermChannel& permchanmode, bool save_listmodes, unsign
 	if (permchannelsconf.empty())
 		return true;
 
-	const std::string permchannelsnewconf = permchannelsconf + ".new." + ConvToStr(ServerInstance->Time());
+	const auto permchannelsnewconf = INSP_FORMAT("{}.new.{}", permchannelsconf, ServerInstance->Time());
 	std::ofstream stream(permchannelsnewconf);
 	if (!stream.is_open())
 	{

src/modules/m_setidle.cpp

@@ -61,7 +61,7 @@ public:
 		if (user->signon > user->idle_lastmsg)
 			user->signon = user->idle_lastmsg;
 
-		ServerInstance->SNO.WriteToSnoMask('a', user->nick+" used SETIDLE to set their idle time to "+ConvToStr(idle)+" seconds");
+		ServerInstance->SNO.WriteToSnoMask('a', "{} used SETIDLE to set their idle time to {} seconds", user->nick, idle);
 		noterpl.SendIfCap(user, stdrplcap, this, "IDLE_TIME_SET", user->idle_lastmsg, "Idle time set.");
 		return CmdResult::SUCCESS;
 	}

src/modules/m_spanningtree/capab.cpp

@@ -330,7 +330,7 @@ void TreeSocket::SendCapabilities(int phase)
 		return;
 
 	if (capab->capab_phase < 1 && phase >= 1)
-		WriteLine("CAPAB START " + ConvToStr(PROTO_NEWEST));
+		WriteLine(INSP_FORMAT("CAPAB START {}", (uint16_t)PROTO_NEWEST));
 
 	capab->capab_phase = phase;
 	if (phase < 2)

src/modules/m_spanningtree/override_map.cpp

@@ -100,7 +100,10 @@ static std::vector<std::string> GetMap(User* user, TreeServer* current, size_t m
 	if (user->IsOper())
 	{
 		time_t secs_up = ServerInstance->Time() - current->age;
-		buffer += " [Up: " + Duration::ToString(secs_up) + (current->rtt == 0 ? "]" : " Lag: " + ConvToStr(current->rtt) + "ms]");
+		buffer += INSP_FORMAT(" [Up: {}", Duration::ToString(secs_up));
+		if (current->rtt)
+			buffer += INSP_FORMAT(" Lag: {}ms", current->rtt);
+		buffer += "]";
 	}
 
 	std::vector<std::string> map;

src/modules/m_spanningtree/treesocket2.cpp

@@ -161,11 +161,11 @@ void TreeSocket::ProcessLine(std::string& line)
 				if (!params.empty())
 				{
 					time_t them = ServerCommand::ExtractTS(params[0]);
-					time_t delta = them - ServerInstance->Time();
-					if ((delta < -15) || (delta > 15))
+					time_t delta = std::abs(them - ServerInstance->Time());
+					if (delta > 15)
 					{
-						ServerInstance->SNO.WriteGlobalSno('l', "\002ERROR\002: Your clocks are off by {} seconds (this is more than fifteen seconds). Link aborted, \002PLEASE SYNC YOUR CLOCKS!\002", labs((long)delta));
-						SendError("Your clocks are out by "+ConvToStr(labs((long)delta))+" seconds (this is more than fifteen seconds). Link aborted, PLEASE SYNC YOUR CLOCKS!");
+						ServerInstance->SNO.WriteGlobalSno('l', "\002ERROR\002: Your clocks are off by {} seconds (this is more than fifteen seconds). Link aborted, \002PLEASE SYNC YOUR CLOCKS!\002", delta);
+						SendError(INSP_FORMAT("Your clocks are out by {} seconds (this is more than fifteen seconds). Link aborted, PLEASE SYNC YOUR CLOCKS!", delta));
 						return;
 					}
 					else if ((delta < -5) || (delta > 5))

src/modules/m_spanningtree/utils.cpp

@@ -301,7 +301,7 @@ void SpanningTreeUtilities::ReadConfiguration()
 			throw ModuleException((Module*)Creator, "The link name '"+L->Name+"' is invalid as it must contain at least one '.' character");
 
 		if (L->Name.length() > ServerInstance->Config->Limits.MaxHost)
-			throw ModuleException((Module*)Creator, "The link name '"+L->Name+"' is invalid as it is longer than " + ConvToStr(ServerInstance->Config->Limits.MaxHost) + " characters");
+			throw ModuleException((Module*)Creator, INSP_FORMAT("The link name '{}' is invalid as it is longer than {} characters", L->Name, ServerInstance->Config->Limits.MaxHost));
 
 		if (L->RecvPass.empty())
 			throw ModuleException((Module*)Creator, "Invalid configuration for server '"+L->Name+"', recvpass not defined");

src/modules/m_xline_db.cpp

@@ -124,7 +124,7 @@ public:
 		 *     -- w00t
 		 */
 		ServerInstance->Logs.Debug(MODNAME, "Opening temporary database");
-		const std::string xlinenewdbpath = xlinedbpath + ".new." + ConvToStr(ServerInstance->Time());
+		const auto xlinenewdbpath = INSP_FORMAT("{}.new.{}", xlinedbpath, ServerInstance->Time());
 		std::ofstream stream(xlinenewdbpath);
 		if (!stream.is_open())
 		{

src/snomasks.cpp

@@ -100,7 +100,7 @@ void Snomask::Flush()
 	if (Count > 1)
 	{
 		std::string desc = GetDescription(LastLetter);
-		std::string msg = "(last message repeated " + ConvToStr(Count) + " times)";
+		std::string msg = INSP_FORMAT("(last message repeated {} times)", Count);
 
 		FOREACH_MOD(OnSendSnotice, (LastLetter, desc, msg));
 		Snomask::Send(LastLetter, desc, msg);

src/socket.cpp

@@ -120,7 +120,7 @@ size_t InspIRCd::BindPorts(FailedPortList& failed_ports)
 				// Check if the port is out of range.
 				if (port <= std::numeric_limits<in_port_t>::min() || port > std::numeric_limits<in_port_t>::max())
 				{
-					failed_ports.emplace_back("Port is not valid: " + ConvToStr(port), bindspec, tag);
+					failed_ports.emplace_back(INSP_FORMAT("Port is not valid: {}", port), bindspec, tag);
 					continue;
 				}
 

src/usermanager.cpp

@@ -65,7 +65,7 @@ namespace
 		if (!user->lastping)
 		{
 			time_t secs = ServerInstance->Time() - (user->nextping - user->GetClass()->pingtime);
-			const std::string message = "Ping timeout: " + ConvToStr(secs) + (secs != 1 ? " seconds" : " second");
+			const std::string message = INSP_FORMAT("Ping timeout: {} {}", secs, (secs != 1 ? "seconds" : "second"));
 			ServerInstance->Users.QuitUser(user, message);
 			return;
 		}