engine: common: replace some obvious va uses by temp buffer and Q_snprintf or equivalent code

engine/common/con_utils.c

@@ -1041,10 +1041,14 @@ compare first argument with string
 */
 static qboolean Cmd_CheckName( const char *name )
 {
-	if( !Q_stricmp( Cmd_Argv( 0 ), name ))
+	char *p = Cmd_Argv( 0 );
+
+	if( !Q_stricmp( p, name ))
 		return true;
-	if( !Q_stricmp( Cmd_Argv( 0 ), va( "\\%s", name )))
+
+	if( p[0] == '\\' && !Q_stricmp( &p[1], name ))
 		return true;
+
 	return false;
 }
 

engine/common/cvar.c

@@ -1080,7 +1080,7 @@ void Cvar_Toggle_f( void )
 
 	v = !Cvar_VariableInteger( Cmd_Argv( 1 ));
 
-	Cvar_Set( Cmd_Argv( 1 ), va( "%i", v ));
+	Cvar_Set( Cmd_Argv( 1 ), v ? "1" : "0" );
 }
 
 /*
@@ -1162,7 +1162,6 @@ void Cvar_List_f( void )
 {
 	convar_t	*var;
 	const char	*match = NULL;
-	char	*value;
 	int	count = 0;
 	size_t	matchlen = 0;
 
@@ -1174,6 +1173,8 @@ void Cvar_List_f( void )
 
 	for( var = cvar_vars; var; var = var->next )
 	{
+		char value[MAX_VA_STRING];
+
 		if( var->name[0] == '@' )
 			continue;	// never shows system cvars
 
@@ -1181,8 +1182,8 @@ void Cvar_List_f( void )
 			continue;
 
 		if( Q_colorstr( var->string ))
-			value = va( "\"%s\"", var->string );
-		else value = va( "\"^2%s^7\"", var->string );
+			Q_snprintf( value, sizeof( value ), "\"%s\"", var->string );
+		else Q_snprintf( value, sizeof( value ), "\"^2%s^7\"", var->string );
 
 		if( FBitSet( var->flags, FCVAR_EXTENDED|FCVAR_ALLOCATED ))
 			Con_Printf( " %-*s %s ^3%s^7\n", 32, var->name, value, var->desc );

engine/common/host.c

@@ -346,10 +346,10 @@ void Host_ChangeGame_f( void )
 	}
 	else
 	{
-		const char *arg1 = va( "%s", Cmd_Argv( 1 ));
-		const char *arg2 = va( "change game to '%s'", FI->games[i]->title );
+		char finalmsg[MAX_VA_STRING];
 
-		Host_NewInstance( arg1, arg2 );
+		Q_snprintf( finalmsg, sizeof( finalmsg ), "change game to '%s'", FI->games[i]->title );
+		Host_NewInstance( Cmd_Argv( 1 ), finalmsg );
 	}
 }
 
@@ -384,9 +384,11 @@ void Host_Exec_f( void )
 			"pyro.cfg", "spy.cfg", "engineer.cfg", "civilian.cfg"
 		};
 		int i;
+		char temp[MAX_VA_STRING];
 		qboolean allow = false;
 
-		unprivilegedWhitelist[0] = va( "%s.cfg", clgame.mapname );
+		Q_snprintf( temp, sizeof( temp ), "%s.cfg", clgame.mapname );
+		unprivilegedWhitelist[0] = temp;
 
 		for( i = 0; i < ARRAYSIZE( unprivilegedWhitelist ); i++ )
 		{

engine/common/mod_bmodel.c

@@ -3019,9 +3019,13 @@ Mod_LoadBrushModel
 */
 void Mod_LoadBrushModel( model_t *mod, const void *buffer, qboolean *loaded )
 {
+	char poolname[MAX_VA_STRING];
+
+	Q_snprintf( poolname, sizeof( poolname ), "^2%s^7", loadmodel->name );
+
 	if( loaded ) *loaded = false;
 
-	loadmodel->mempool = Mem_AllocPool( va( "^2%s^7", loadmodel->name ));
+	loadmodel->mempool = Mem_AllocPool( poolname );
 	loadmodel->type = mod_brush;
 
 	// loading all the lumps into heap

engine/common/mod_sprite.c

@@ -35,6 +35,7 @@ void Mod_LoadSpriteModel( model_t *mod, const void *buffer, qboolean *loaded, ui
 	dsprite_hl_t	*pinhl;
 	dsprite_t		*pin;
 	msprite_t		*psprite;
+	char		poolname[MAX_VA_STRING];
 	int		i, size;
 
 	if( loaded ) *loaded = false;
@@ -54,7 +55,8 @@ void Mod_LoadSpriteModel( model_t *mod, const void *buffer, qboolean *loaded, ui
 		return;
 	}
 
-	mod->mempool = Mem_AllocPool( va( "^2%s^7", mod->name ));
+	Q_snprintf( poolname, sizeof( poolname ), "^2%s^7", mod->name );
+	mod->mempool = Mem_AllocPool( poolname );
 
 	if( i == SPRITE_VERSION_Q1 || i == SPRITE_VERSION_32 )
 	{

engine/common/mod_studio.c

@@ -848,10 +848,13 @@ Mod_LoadStudioModel
 */
 void Mod_LoadStudioModel( model_t *mod, const void *buffer, qboolean *loaded )
 {
+	char poolname[MAX_VA_STRING];
 	studiohdr_t	*phdr;
 
+	Q_snprintf( poolname, sizeof( poolname ), "^2%s^7", loadmodel->name );
+
 	if( loaded ) *loaded = false;
-	loadmodel->mempool = Mem_AllocPool( va( "^2%s^7", loadmodel->name ));
+	loadmodel->mempool = Mem_AllocPool( poolname );
 	loadmodel->type = mod_studio;
 
 	phdr = R_StudioLoadHeader( mod, buffer );

engine/common/net_ws.c

@@ -2639,10 +2639,14 @@ void HTTP_Run( void )
 
 		if( curfile->state < HTTP_NS_RESOLVED )
 		{
+			char hostport[MAX_VA_STRING];
+
 			if( fResolving )
 				continue;
 
-			res = NET_StringToSockaddr( va( "%s:%d", curfile->server->host, curfile->server->port ), &addr, true, AF_INET );
+			Q_snprintf( hostport, sizeof( hostport ), "%s:%d", curfile->server->host, curfile->server->port );
+
+			res = NET_StringToSockaddr( hostport, &addr, true, AF_INET );
 
 			if( res == 2 )
 			{