diff --git a/engine/client/cl_events.c b/engine/client/cl_events.c
index 2b16b310..ed66a5f8 100644
--- a/engine/client/cl_events.c
+++ b/engine/client/cl_events.c
@@ -192,7 +192,7 @@ void CL_RegisterEvent( int lastnum, const char *szEvName, pfnEventHook func )
 	ev = clgame.events[lastnum];
 
 	// NOTE: ev->index will be set later
-	Q_strncpy( ev->name, szEvName, MAX_QPATH );
+	Q_strncpy( ev->name, szEvName, sizeof( ev->name ));
 	ev->func = func;
 }
 
diff --git a/engine/client/cl_parse_48.c b/engine/client/cl_parse_48.c
index 61fa3071..54ffbe8f 100644
--- a/engine/client/cl_parse_48.c
+++ b/engine/client/cl_parse_48.c
@@ -194,7 +194,7 @@ static void CL_LegacyPrecacheModel( sizebuf_t *msg )
 	if( modelIndex < 0 || modelIndex >= MAX_MODELS )
 		Host_Error( "CL_PrecacheModel: bad modelindex %i\n", modelIndex );
 
-	Q_strncpy( model, MSG_ReadString( msg ), MAX_STRING );
+	Q_strncpy( model, MSG_ReadString( msg ), sizeof( model ));
 	//Q_strncpy( cl.model_precache[modelIndex], BF_ReadString( msg ), sizeof( cl.model_precache[0] ));
 
 	// when we loading map all resources is precached sequentially
@@ -261,7 +261,7 @@ static void CL_LegacyParseResourceList( sizebuf_t *msg )
 	for( i = 0; i < reslist.rescount; i++ )
 	{
 		reslist.restype[i] = MSG_ReadWord( msg );
-		Q_strncpy( reslist.resnames[i], MSG_ReadString( msg ), MAX_QPATH );
+		Q_strncpy( reslist.resnames[i], MSG_ReadString( msg ), sizeof( reslist.resnames[i] ));
 	}
 
 	if( CL_IsPlaybackDemo() )
diff --git a/engine/client/cl_pmove.c b/engine/client/cl_pmove.c
index 1991da37..e84b648f 100644
--- a/engine/client/cl_pmove.c
+++ b/engine/client/cl_pmove.c
@@ -853,7 +853,7 @@ static void CL_SetupPMove( playermove_t *pmove, const local_state_t *from, const
 	VectorCopy( cd->vuser4, pmove->vuser4 );
 	pmove->cmd = *ucmd;	// copy current cmds
 
-	Q_strncpy( pmove->physinfo, cls.physinfo, MAX_INFO_STRING );
+	Q_strncpy( pmove->physinfo, cls.physinfo, sizeof( pmove->physinfo ));
 }
 
 static const void CL_FinishPMove( const playermove_t *pmove, local_state_t *to )
diff --git a/engine/client/cl_qparse.c b/engine/client/cl_qparse.c
index 49575198..f65522eb 100644
--- a/engine/client/cl_qparse.c
+++ b/engine/client/cl_qparse.c
@@ -211,7 +211,7 @@ static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 	clgame.maxEntities = GI->max_edicts;
 	clgame.maxEntities = bound( 600, clgame.maxEntities, MAX_EDICTS );
 	clgame.maxModels = MAX_MODELS;
-	Q_strncpy( clgame.maptitle, MSG_ReadString( msg ), MAX_STRING );
+	Q_strncpy( clgame.maptitle, MSG_ReadString( msg ), sizeof( clgame.maptitle ));
 
 	// Re-init hud video, especially if we changed game directories
 	clgame.dllFuncs.pfnVidInit();
diff --git a/engine/client/console.c b/engine/client/console.c
index 13ab4632..6fd6312a 100644
--- a/engine/client/console.c
+++ b/engine/client/console.c
@@ -1138,7 +1138,7 @@ Field_Set
 static void Field_Set( field_t *f, const char *string )
 {
 	f->scroll = 0;
-	f->cursor = Q_strncpy( f->buffer, string, MAX_STRING );
+	f->cursor = Q_strncpy( f->buffer, string, sizeof( f->buffer ));
 }
 
 /*
diff --git a/engine/client/s_load.c b/engine/client/s_load.c
index ce4dcb86..4db2e9b4 100644
--- a/engine/client/s_load.c
+++ b/engine/client/s_load.c
@@ -380,7 +380,7 @@ S_InitSounds
 void S_InitSounds( void )
 {
 	// create unused 0-entry
-	Q_strncpy( s_knownSfx->name, "*default", MAX_QPATH );
+	Q_strncpy( s_knownSfx->name, "*default", sizeof( s_knownSfx->name ));
 	s_knownSfx->hashValue = COM_HashKey( s_knownSfx->name, MAX_SFX_HASH );
 	s_knownSfx->hashNext = s_sfxHashList[s_knownSfx->hashValue];
 	s_sfxHashList[s_knownSfx->hashValue] = s_knownSfx;
diff --git a/engine/common/cmd.c b/engine/common/cmd.c
index 21e2a16b..38fd1b92 100644
--- a/engine/common/cmd.c
+++ b/engine/common/cmd.c
@@ -1015,7 +1015,7 @@ static void Cmd_ExecuteStringWithPrivilegeCheck( const char *text, qboolean isPr
 					*ptoken++ = *text++;
 				*ptoken = 0;
 
-				len += Q_strncpy( pcmd, Cvar_VariableString( token ), MAX_CMD_LINE - len );
+				len += Q_strncpy( pcmd, Cvar_VariableString( token ), sizeof( token ) - len );
 				pcmd = command + len;
 
 				if( !*text ) break;
diff --git a/engine/common/con_utils.c b/engine/common/con_utils.c
index 16f2e014..6bad2d52 100644
--- a/engine/common/con_utils.c
+++ b/engine/common/con_utils.c
@@ -465,7 +465,7 @@ static qboolean Cmd_GetSoundList( const char *s, char *completedname, int length
 	t = FS_Search( va( "%s%s*.*", DEFAULT_SOUNDPATH, s ), true, false );
 	if( !t ) return false;
 
-	Q_strncpy( matchbuf, t->filenames[0] + sizeof( DEFAULT_SOUNDPATH ) - 1, MAX_STRING );
+	Q_strncpy( matchbuf, t->filenames[0] + sizeof( DEFAULT_SOUNDPATH ) - 1, sizeof( matchbuf ));
 	COM_StripExtension( matchbuf );
 	if( completedname && length )
 		Q_strncpy( completedname, matchbuf, length );
@@ -478,7 +478,7 @@ static qboolean Cmd_GetSoundList( const char *s, char *completedname, int length
 		if( Q_stricmp( ext, "wav" ) && Q_stricmp( ext, "mp3" ))
 			continue;
 
-		Q_strncpy( matchbuf, t->filenames[i] + sizeof( DEFAULT_SOUNDPATH ) - 1, MAX_STRING );
+		Q_strncpy( matchbuf, t->filenames[i] + sizeof( DEFAULT_SOUNDPATH ) - 1, sizeof( matchbuf ));
 		COM_StripExtension( matchbuf );
 		Con_Printf( "%16s\n", matchbuf );
 		numsounds++;
@@ -764,14 +764,14 @@ static qboolean Cmd_GetGamesList( const char *s, char *completedname, int length
 	}
 
 	if( !numgamedirs ) return false;
-	Q_strncpy( matchbuf, gamedirs[0], MAX_STRING );
+	Q_strncpy( matchbuf, gamedirs[0], sizeof( matchbuf ));
 	if( completedname && length )
 		Q_strncpy( completedname, matchbuf, length );
 	if( numgamedirs == 1 ) return true;
 
 	for( i = 0; i < numgamedirs; i++ )
 	{
-		Q_strncpy( matchbuf, gamedirs[i], MAX_STRING );
+		Q_strncpy( matchbuf, gamedirs[i], sizeof( matchbuf ));
 		Con_Printf( "%16s\n", matchbuf );
 	}
 
@@ -825,14 +825,14 @@ static qboolean Cmd_GetCDList( const char *s, char *completedname, int length )
 	}
 
 	if( !numcdcommands ) return false;
-	Q_strncpy( matchbuf, cdcommands[0], MAX_STRING );
+	Q_strncpy( matchbuf, cdcommands[0], sizeof( matchbuf ));
 	if( completedname && length )
 		Q_strncpy( completedname, matchbuf, length );
 	if( numcdcommands == 1 ) return true;
 
 	for( i = 0; i < numcdcommands; i++ )
 	{
-		Q_strncpy( matchbuf, cdcommands[i], MAX_STRING );
+		Q_strncpy( matchbuf, cdcommands[i], sizeof( matchbuf ));
 		Con_Printf( "%16s\n", matchbuf );
 	}
 
@@ -901,12 +901,10 @@ static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 		if( f )
 		{
 			qboolean  have_spawnpoints = false;
-			dheader_t *header;
 			dlump_t   entities;
 
 			memset( buf, 0, MAX_SYSPATH );
 			FS_Read( f, buf, MAX_SYSPATH );
-			header = (dheader_t *)buf;
 
 			// check all the lumps and some other errors
 			if( !Mod_TestBmodelLumps( f, t->filenames[i], buf, true, &entities ))
@@ -937,7 +935,7 @@ static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 				char	token[MAX_TOKEN];
 				qboolean	worldspawn = true;
 
-				Q_strncpy( message, "No Title", MAX_STRING );
+				Q_strncpy( message, "No Title", sizeof( message ));
 				pfile = ents;
 
 				while(( pfile = COM_ParseFile( pfile, token, sizeof( token ))) != NULL )
diff --git a/engine/common/host.c b/engine/common/host.c
index a9a4e7d1..78239bb2 100644
--- a/engine/common/host.c
+++ b/engine/common/host.c
@@ -865,7 +865,7 @@ void GAME_EXPORT Host_Error( const char *error, ... )
 	}
 
 	recursive = true;
-	Q_strncpy( hosterror2, hosterror1, MAX_SYSPATH );
+	Q_strncpy( hosterror2, hosterror1, sizeof( hosterror2 ));
 	host.errorframe = host.framecount; // to avoid multply calls per frame
 	Q_snprintf( host.finalmsg, sizeof( host.finalmsg ), "Server crashed: %s", hosterror1 );
 
diff --git a/engine/common/masterlist.c b/engine/common/masterlist.c
index fb420330..8df6cc51 100644
--- a/engine/common/masterlist.c
+++ b/engine/common/masterlist.c
@@ -262,7 +262,7 @@ static void NET_AddMaster( const char *addr, qboolean save )
 	}
 
 	master = Mem_Malloc( host.mempool, sizeof( master_t ) );
-	Q_strncpy( master->address, addr, MAX_STRING );
+	Q_strncpy( master->address, addr, sizeof( master->address ));
 	master->sent = false;
 	master->save = save;
 	master->next = NULL;
diff --git a/engine/common/mod_bmodel.c b/engine/common/mod_bmodel.c
index 229a972a..1de37c32 100644
--- a/engine/common/mod_bmodel.c
+++ b/engine/common/mod_bmodel.c
@@ -1823,8 +1823,8 @@ static void Mod_LoadEntities( model_t *mod, dbspmodel_t *bmod )
 			{
 				char	*pszWadFile;
 
-				Q_strncpy( wadstring, token, MAX_TOKEN - 2 );
-				wadstring[MAX_TOKEN - 2] = 0;
+				Q_strncpy( wadstring, token, sizeof( wadstring ) - 2 );
+				wadstring[sizeof( wadstring ) - 2] = 0;
 
 				if( !Q_strchr( wadstring, ';' ))
 					Q_strncat( wadstring, ";", sizeof( wadstring ));
diff --git a/engine/platform/linux/in_evdev.c b/engine/platform/linux/in_evdev.c
index 2c6e758c..ecccce6b 100644
--- a/engine/platform/linux/in_evdev.c
+++ b/engine/platform/linux/in_evdev.c
@@ -175,11 +175,13 @@ void Evdev_Autodetect_f( void )
 		if( evdev.devices >= MAX_EVDEV_DEVICES )
 			continue;
 
-		Q_snprintf( path, MAX_STRING, "/dev/input/%s", entry->d_name );
+		Q_snprintf( path, sizeof( path ), "/dev/input/%s", entry->d_name );
 
 		for( i = 0; i < evdev.devices; i++ )
-			if( !Q_strncmp( evdev.paths[i], path, MAX_STRING ) )
+		{
+			if( !Q_strncmp( evdev.paths[i], path, sizeof( evdev.paths[i] ))
 				goto next;
+		}
 
 		if( Q_strncmp( entry->d_name, "event", 5 ) )
 			continue;
@@ -220,7 +222,7 @@ void Evdev_Autodetect_f( void )
 		}
 		goto close;
 open:
-		Q_strncpy( evdev.paths[evdev.devices], path, MAX_STRING );
+		Q_strncpy( evdev.paths[evdev.devices], path, sizeof( evdev.paths[0] ));
 		evdev.fds[evdev.devices++] = fd;
 		Con_Printf( "Opened device %s\n", path );
 #if XASH_INPUT == INPUT_EVDEV
@@ -260,7 +262,7 @@ void Evdev_OpenDevice ( const char *path )
 
 	for( i = 0; i < evdev.devices; i++ )
 	{
-		if( !Q_strncmp( evdev.paths[i], path, MAX_STRING ) )
+		if( !Q_strncmp( evdev.paths[i], path, sizeof( evdev.paths[i] )))
 		{
 			Con_Printf( "device %s already open!\n", path );
 			return;
@@ -275,7 +277,7 @@ void Evdev_OpenDevice ( const char *path )
 	}
 	Con_Printf( "Input device #%d: %s opened sucessfully\n", evdev.devices, path );
 	evdev.fds[evdev.devices] = ret;
-	Q_strncpy( evdev.paths[evdev.devices++], path, MAX_STRING );
+	Q_strncpy( evdev.paths[evdev.devices++], path, sizeof( evdev.paths[0] ));
 
 #if XASH_INPUT == INPUT_EVDEV
 		if( Sys_CheckParm( "-grab" ) )
@@ -309,7 +311,7 @@ void Evdev_CloseDevice_f ( void )
 	if( Q_isdigit( arg ) )
 		i = Q_atoi( arg );
 	else for( i = 0; i < evdev.devices; i++ )
-		if( !Q_strncmp( evdev.paths[i], arg, MAX_STRING ) )
+		if( !Q_strncmp( evdev.paths[i], arg, sizeof( evdev.paths[i] )))
 			break;
 
 	if( i >= evdev.devices )
@@ -324,7 +326,7 @@ void Evdev_CloseDevice_f ( void )
 
 	for( ; i < evdev.devices; i++ )
 	{
-		Q_strncpy( evdev.paths[i], evdev.paths[i+1], MAX_STRING );
+		Q_strncpy( evdev.paths[i], evdev.paths[i+1], sizeof( evdev.paths[i] ));
 		evdev.fds[i] = evdev.fds[i+1];
 	}
 }
diff --git a/engine/server/sv_client.c b/engine/server/sv_client.c
index 7245df4d..65bab913 100644
--- a/engine/server/sv_client.c
+++ b/engine/server/sv_client.c
@@ -417,7 +417,7 @@ static void SV_ConnectClient( netadr_t from )
 	newcl->userid = g_userid++;	// create unique userid
 	newcl->state = cs_connected;
 	newcl->extensions = extensions & (NET_EXT_SPLITSIZE);
-	Q_strncpy( newcl->useragent, protinfo, MAX_INFO_STRING );
+	Q_strncpy( newcl->useragent, protinfo, sizeof( newcl->useragent ));
 
 	// reset viewentities (from previous level)
 	memset( newcl->viewentity, 0, sizeof( newcl->viewentity ));
diff --git a/engine/server/sv_cmds.c b/engine/server/sv_cmds.c
index be667e7b..b005214a 100644
--- a/engine/server/sv_cmds.c
+++ b/engine/server/sv_cmds.c
@@ -690,7 +690,7 @@ static void SV_ConSay_f( void )
 	}
 
 	p = Cmd_Args();
-	Q_strncpy( text, *p == '"' ? p + 1 : p, MAX_SYSPATH );
+	Q_strncpy( text, *p == '"' ? p + 1 : p, sizeof( text ));
 
 	if( *p == '"' )
 	{
diff --git a/engine/server/sv_pmove.c b/engine/server/sv_pmove.c
index c47c74fd..1671c64d 100644
--- a/engine/server/sv_pmove.c
+++ b/engine/server/sv_pmove.c
@@ -590,7 +590,7 @@ static void SV_SetupPMove( playermove_t *pmove, sv_client_t *cl, usercmd_t *ucmd
 	pmove->cmd = *ucmd;	// setup current cmds
 	pmove->runfuncs = true;
 
-	Q_strncpy( pmove->physinfo, physinfo, MAX_INFO_STRING );
+	Q_strncpy( pmove->physinfo, physinfo, sizeof( pmove->physinfo ));
 
 	// setup physents
 	pmove->numvisent = 0;
diff --git a/engine/server/sv_save.c b/engine/server/sv_save.c
index b17e2776..473c9f51 100644
--- a/engine/server/sv_save.c
+++ b/engine/server/sv_save.c
@@ -652,7 +652,7 @@ static void DirectoryCopy( const char *pPath, file_t *pFile )
 		fileSize = FS_FileLength( pCopy );
 
 		memset( szName, 0, sizeof( szName )); // clearing the string to prevent garbage in output file
-		Q_strncpy( szName, COM_FileWithoutPath( t->filenames[i] ), MAX_OSPATH );
+		Q_strncpy( szName, COM_FileWithoutPath( t->filenames[i] ), sizeof( szName ));
 		FS_Write( pFile, szName, MAX_OSPATH );
 		FS_Write( pFile, &fileSize, sizeof( int ));
 		FS_FileCopy( pFile, pCopy, fileSize );