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commit c7de505c919c5f550d848f9cafae99532bc1f789
Author: Michi 
Date:   Sun Jan 1 13:12:54 2023 +0100

    Make the debug loglevel always available

    This basically means to unifdef DEBUG in (almost) all places.
    We keep it in src/portab/portab.h so DEBUG stays available to
    enable assert(). Also add a comment about this.

diff --git a/src/ngircd/client.c b/src/ngircd/client.c

--- a/src/ngircd/client.c
+++ b/src/ngircd/client.c
@@ -698,10 +698,8 @@ Client_ID( CLIENT *Client )
 {
 	assert( Client != NULL );

-#ifdef DEBUG
 	if(Client->type == CLIENT_USER)
 		assert(strlen(Client->id) < Conf_MaxNickLength);
-#endif

 	if( Client->id[0] ) return Client->id;
 	else return "*";
@@ -1694,7 +1692,6 @@ Client_Announce(CLIENT * Client, CLIENT * Prefix, CLIENT * User)
 } /* Client_Announce */


-#ifdef DEBUG

 GLOBAL void
 Client_DebugDump(void)
@@ -1713,7 +1710,6 @@ Client_DebugDump(void)
 	}
 } /* Client_DumpClients */

-#endif


 /* -eof- */
diff --git a/src/ngircd/client.h b/src/ngircd/client.h

--- a/src/ngircd/client.h
+++ b/src/ngircd/client.h
@@ -182,9 +182,7 @@ GLOBAL void Client_UpdateCloakedHostname PARAMS((CLIENT *Client,
 						 const char *hostname));


-#ifdef DEBUG
 GLOBAL void Client_DebugDump PARAMS((void));
-#endif

 #endif

diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c

--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -2046,9 +2046,7 @@ Validate_Config(bool Configtest, bool Rehash)
 {
 	/* Validate configuration settings. */

-#ifdef DEBUG
 	int i, servers, servers_once;
-#endif
 	bool config_valid = true;
 	char *ptr;

@@ -2122,7 +2120,6 @@ Validate_Config(bool Configtest, bool Rehash)
 			     "Maximum penalty increase ('MaxPenaltyTime') is set to %ld, this is not recommended!",
 			     Conf_MaxPenaltyTime);

-#ifdef DEBUG
 	servers = servers_once = 0;
 	for (i = 0; i < MAX_SERVERS; i++) {
 		if (Conf_Server[i].name[0]) {
@@ -2135,7 +2132,6 @@ Validate_Config(bool Configtest, bool Rehash)
 	    array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
 	    servers, servers_once,
 	    array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
-#endif

 	return config_valid;
 }
@@ -2222,7 +2218,6 @@ va_dcl
 		Log(Level, "%s", msg);
 }

-#ifdef DEBUG

 /**
  * Dump internal state of the "configuration module".
@@ -2245,7 +2240,6 @@ Conf_DebugDump(void)
 	}
 }

-#endif

 /**
  * Initialize server configuration structure to default values.
diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h

--- a/src/ngircd/conf.h
+++ b/src/ngircd/conf.h
@@ -280,9 +280,7 @@ GLOBAL bool Conf_SSLInUse PARAMS((void));
 /* Password required by WEBIRC command */
 GLOBAL char Conf_WebircPwd[CLIENT_PASS_LEN];

-#ifdef DEBUG
 GLOBAL void Conf_DebugDump PARAMS((void));
-#endif


 #endif
diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c

--- a/src/ngircd/conn.c
+++ b/src/ngircd/conn.c
@@ -2341,10 +2341,8 @@ cb_Read_Resolver_Result( int r_fd, UNUSED short events )

 		Class_HandleServerBans(c);
 	}
-#ifdef DEBUG
 	else
 		LogDebug("Resolver: discarding result for already registered connection %d.", i);
-#endif
 } /* cb_Read_Resolver_Result */

 /**
@@ -2688,7 +2686,6 @@ Conn_SetCertFp(UNUSED CONN_ID Idx, UNUSED const char *fingerprint)

 #endif /* SSL_SUPPORT */

-#ifdef DEBUG

 /**
  * Dump internal state of the "connection module".
@@ -2712,6 +2709,5 @@ Conn_DebugDump(void)
 	}
 } /* Conn_DumpClients */

-#endif /* DEBUG */

 /* -eof- */
diff --git a/src/ngircd/conn.h b/src/ngircd/conn.h

--- a/src/ngircd/conn.h
+++ b/src/ngircd/conn.h
@@ -166,9 +166,7 @@ GLOBAL long Conn_GetAuthPing PARAMS((CONN_ID Idx));
 GLOBAL void Conn_SetAuthPing PARAMS((CONN_ID Idx, long ID));
 #endif

-#ifdef DEBUG
 GLOBAL void Conn_DebugDump PARAMS((void));
-#endif

 #endif

diff --git a/src/ngircd/log.c b/src/ngircd/log.c

--- a/src/ngircd/log.c
+++ b/src/ngircd/log.c
@@ -121,7 +121,6 @@ Log_Exit( void )
  * @param Format Format string like printf().
  * @param ... Further arguments.
  */
-#ifdef DEBUG
 # ifdef PROTOTYPES
 GLOBAL void
 LogDebug( const char *Format, ... )
@@ -145,7 +144,6 @@ va_dcl
 	va_end( ap );
 	Log(LOG_DEBUG, "%s", msg);
 }
-#endif	/* DEBUG */


 /**
@@ -184,11 +182,7 @@ va_dcl
 	}
 	else snotice = false;

-#ifdef DEBUG
 	if(( Level == LOG_DEBUG ) && ( ! NGIRCd_Debug )) return;
-#else
-	if( Level == LOG_DEBUG ) return;
-#endif

 #ifdef PROTOTYPES
 	va_start( ap, Format );
@@ -215,20 +209,16 @@ Log_Init_Subprocess(char UNUSED *Name)
 #ifdef SYSLOG
 	openlog(PACKAGE, LOG_CONS|LOG_PID, Conf_SyslogFacility);
 #endif
-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "%s sub-process starting, PID %ld.",
 		     Name, (long)getpid());
-#endif
 }


 GLOBAL void
 Log_Exit_Subprocess(char UNUSED *Name)
 {
-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "%s sub-process %ld done.",
 		     Name, (long)getpid());
-#endif
 #ifdef SYSLOG
 	closelog( );
 #endif
@@ -251,13 +241,8 @@ va_dcl

 	assert(Format != NULL);

-#ifdef DEBUG
 	if ((Level == LOG_DEBUG) && (!NGIRCd_Debug))
 		return;
-#else
-	if (Level == LOG_DEBUG)
-		return;
-#endif

 #ifdef PROTOTYPES
 	va_start(ap, Format);
diff --git a/src/ngircd/log.h b/src/ngircd/log.h

--- a/src/ngircd/log.h
+++ b/src/ngircd/log.h
@@ -40,20 +40,14 @@ GLOBAL void Log_ReInit PARAMS((void));

 GLOBAL void Log_ServerNotice PARAMS((char UserMode, const char *Format, ...));

-#ifdef DEBUG
 GLOBAL void LogDebug PARAMS(( const char *Format, ... ));
-#else
-static inline void LogDebug PARAMS(( UNUSED const char *Format, ... )){/* Do nothing. The compiler should optimize this out, please ;-) */}
-#endif

 GLOBAL void Log_Init_Subprocess PARAMS((char *Name));
 GLOBAL void Log_Exit_Subprocess PARAMS((char *Name));

 GLOBAL void Log_Subprocess PARAMS((const int Level, const char *Format, ...));

-#ifdef DEBUG
 GLOBAL void Log_InitErrorfile PARAMS(( void ));
-#endif

 #endif

diff --git a/src/ngircd/ngircd.c b/src/ngircd/ngircd.c

--- a/src/ngircd/ngircd.c
+++ b/src/ngircd/ngircd.c
@@ -88,9 +88,7 @@ main(int argc, const char *argv[])

 	NGIRCd_SignalQuit = NGIRCd_SignalRestart = false;
 	NGIRCd_Passive = false;
-#ifdef DEBUG
 	NGIRCd_Debug = false;
-#endif
 #ifdef SNIFFER
 	NGIRCd_Sniffer = false;
 #endif
@@ -117,12 +115,10 @@ main(int argc, const char *argv[])
 				configtest = true;
 				ok = true;
 			}
-#ifdef DEBUG
 			if (strcmp(argv[i], "--debug") == 0) {
 				NGIRCd_Debug = true;
 				ok = true;
 			}
-#endif
 			if (strcmp(argv[i], "--help") == 0) {
 				Show_Version();
 				puts(""); Show_Help( ); puts( "" );
@@ -151,12 +147,10 @@ main(int argc, const char *argv[])
 			/* short option */
 			for (n = 1; n < strlen(argv[i]); n++) {
 				ok = false;
-#ifdef DEBUG
 				if (argv[i][n] == 'd') {
 					NGIRCd_Debug = true;
 					ok = true;
 				}
-#endif
 				if (argv[i][n] == 'f') {
 					if (!argv[i][n+1] && i+1 < argc) {
 						/* Ok, next character is a blank */
@@ -223,10 +217,8 @@ main(int argc, const char *argv[])

 	/* Debug level for "VERSION" command */
 	NGIRCd_DebugLevel[0] = '\0';
-#ifdef DEBUG
 	if (NGIRCd_Debug)
 		strcpy(NGIRCd_DebugLevel, "1");
-#endif
 #ifdef SNIFFER
 	if (NGIRCd_Sniffer) {
 		NGIRCd_Debug = true;
@@ -349,13 +341,11 @@ Fill_Version(void)
 	strlcat(NGIRCd_VersionAddition, "CHARCONV",
 		sizeof NGIRCd_VersionAddition);
 #endif
-#ifdef DEBUG
 	if (NGIRCd_VersionAddition[0])
 		strlcat(NGIRCd_VersionAddition, "+",
 			sizeof NGIRCd_VersionAddition);
 	strlcat(NGIRCd_VersionAddition, "DEBUG",
 		sizeof NGIRCd_VersionAddition);
-#endif
 #ifdef IDENTAUTH
 	if (NGIRCd_VersionAddition[0])
 		strlcat(NGIRCd_VersionAddition, "+",
@@ -466,9 +456,7 @@ Show_Version( void )
 static void
 Show_Help( void )
 {
-#ifdef DEBUG
 	puts( "  -d, --debug        log extra debug messages" );
-#endif
 	puts( "  -f, --config    use file  as configuration file" );
 	puts( "  -n, --nodaemon     don't fork and don't detach from controlling terminal" );
 	puts( "  -p, --passive      disable automatic connections to other servers" );
diff --git a/src/ngircd/ngircd.h b/src/ngircd/ngircd.h

--- a/src/ngircd/ngircd.h
+++ b/src/ngircd/ngircd.h
@@ -35,10 +35,8 @@ GLOBAL char NGIRCd_Version[126];
 /** String specifying the compile-time options and target platform */
 GLOBAL char NGIRCd_VersionAddition[126];

-#ifdef DEBUG
 /** Flag indicating if debug mode is active (true) or not (false) */
 GLOBAL bool NGIRCd_Debug;
-#endif

 #ifdef SNIFFER
 /** Flag indication if sniffer is active (true) or not (false) */
diff --git a/src/ngircd/numeric.c b/src/ngircd/numeric.c

--- a/src/ngircd/numeric.c
+++ b/src/ngircd/numeric.c
@@ -217,10 +217,8 @@ Send_CHANINFO(CLIENT * Client, CHANNEL * Chan)
 	char *modes, *topic, *key;
 	bool has_k, has_l;

-#ifdef DEBUG
 	Log(LOG_DEBUG, "Sending CHANINFO commands for \"%s\" ...",
 	    Channel_Name(Chan));
-#endif

 	modes = Channel_Modes(Chan);
 	topic = Channel_Topic(Chan);
diff --git a/src/ngircd/proc.c b/src/ngircd/proc.c

--- a/src/ngircd/proc.c
+++ b/src/ngircd/proc.c
@@ -114,14 +114,10 @@ Proc_GenericSignalHandler(int Signal)
 {
 	switch(Signal) {
 	case SIGTERM:
-#ifdef DEBUG
 		Log_Subprocess(LOG_DEBUG, "Child got TERM signal, exiting.");
-#endif
 		exit(1);
 	case SIGALRM:
-#ifdef DEBUG
 		Log_Subprocess(LOG_DEBUG, "Child got ALARM signal, exiting.");
-#endif
 		exit(1);
 	}
 }
diff --git a/src/ngircd/resolve.c b/src/ngircd/resolve.c

--- a/src/ngircd/resolve.c
+++ b/src/ngircd/resolve.c
@@ -93,9 +93,7 @@ Resolve_Name( PROC_STAT *s, const char *Host, void (*cbfunc)(int, short))
 	pid = Proc_Fork(s, pipefd, cbfunc, RESOLVER_TIMEOUT);
 	if (pid > 0) {
 		/* Main process */
-#ifdef DEBUG
 		Log( LOG_DEBUG, "Resolver for \"%s\" created (PID %d).", Host, pid );
-#endif
 		return true;
 	} else if( pid == 0 ) {
 		/* Sub process */
@@ -140,15 +138,11 @@ Do_IdentQuery(int identsock, array *resolved_addr)
 	if (identsock < 0)
 		return;

-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "Doing IDENT lookup on socket %d ...",
 		       identsock);
-#endif
 	res = ident_id( identsock, 10 );
-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "Ok, IDENT lookup on socket %d done: \"%s\"",
 		       identsock, res ? res : "(NULL)");
-#endif
 	if (!res) /* no result */
 		return;
 	if (!array_cats(resolved_addr, res))
@@ -373,9 +367,7 @@ Do_ResolveAddr(const ng_ipaddr_t *Addr, int identsock, int w_fd)

 	array_init(&resolved_addr);
 	ng_ipaddr_tostr_r(Addr, tmp_ip_str);
-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "Now resolving %s ...", tmp_ip_str);
-#endif
 	if (!ReverseLookup(Addr, hostname, sizeof(hostname)))
 		goto dns_done;

@@ -388,9 +380,7 @@ Do_ResolveAddr(const ng_ipaddr_t *Addr, int identsock, int w_fd)
 		Log_Forgery_NoIP(tmp_ip_str, hostname);
 		strlcpy(hostname, tmp_ip_str, sizeof(hostname));
 	}
-#ifdef DEBUG
 	Log_Subprocess(LOG_DEBUG, "Ok, translated %s to \"%s\".", tmp_ip_str, hostname);
-#endif
  dns_done:
 	len = strlen(hostname);
 	hostname[len] = '\n';
@@ -417,10 +407,8 @@ Do_ResolveName( const char *Host, int w_fd )
 	 * to parent. */
 	array IpAddrs;
 	int af;
-#ifdef DEBUG
 	ng_ipaddr_t *addr;
 	size_t len;
-#endif
 	Log_Subprocess(LOG_DEBUG, "Now resolving \"%s\" ...", Host);

 	array_init(&IpAddrs);
@@ -440,7 +428,6 @@ Do_ResolveName( const char *Host, int w_fd )
 		close(w_fd);
 		return;
 	}
-#ifdef DEBUG
 	len = array_length(&IpAddrs, sizeof(*addr));
 	assert(len > 0);
 	addr = array_start(&IpAddrs);
@@ -449,7 +436,6 @@ Do_ResolveName( const char *Host, int w_fd )
 		Log_Subprocess(LOG_DEBUG, "translated \"%s\" to %s.",
 					Host, ng_ipaddr_tostr(addr));
 	}
-#endif
 	/* Write result into pipe to parent */
 	ArrayWrite(w_fd, &IpAddrs);

diff --git a/src/ngircd/sighandlers.c b/src/ngircd/sighandlers.c

--- a/src/ngircd/sighandlers.c
+++ b/src/ngircd/sighandlers.c
@@ -41,7 +41,6 @@ static const int signals_catch[] = {
        SIGINT, SIGQUIT, SIGTERM, SIGHUP, SIGCHLD, SIGUSR1, SIGUSR2
 };

-#ifdef DEBUG

 static void
 Dump_State(void)
@@ -59,7 +58,6 @@ Dump_State(void)
 	LogDebug("--- End of state dump ---");
 } /* Dump_State */

-#endif

 static void
 Signal_Block(int sig)
@@ -174,7 +172,6 @@ Signal_Handler(int Signal)
 		while (waitpid( -1, NULL, WNOHANG) > 0)
 			;
 		return;
-#ifdef DEBUG
 	case SIGUSR1:
 		if (! NGIRCd_Debug) {
 			Log(LOG_INFO|LOG_snotice,
@@ -197,7 +194,6 @@ Signal_Handler(int Signal)
 #endif /* SNIFFER */
 		}
 		return;
-#endif
 	}

 	/*
@@ -226,7 +222,6 @@ Signal_Handler_BH(int Signal)
 		/* re-read configuration */
 		Rehash();
 		break;
-#ifdef DEBUG
 	case SIGUSR2:
 		if (NGIRCd_Debug) {
 			Log(LOG_INFO|LOG_snotice,
@@ -236,7 +231,6 @@ Signal_Handler_BH(int Signal)
 		break;
 	default:
 		LogDebug("Got signal %d! Ignored.", Signal);
-#endif
 	}
 	Signal_Unblock(Signal);
 }
diff --git a/src/portab/portab.h b/src/portab/portab.h

--- a/src/portab/portab.h
+++ b/src/portab/portab.h
@@ -19,6 +19,8 @@

 #include "config.h"

+/* remove assert() macro at compile time if DEBUG is not set. */
+
 #ifndef DEBUG
 # define NDEBUG
 #endif

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