avoid potential crash with set/seta (ie: seta alias crash)

timbergeron · Sep 25, 2024 · f51df7f · f51df7f
1 parent baa8cca
commit f51df7f
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Quake/cvar.c b/Quake/cvar.c
@@ -136,6 +136,13 @@ void Cvar_Set_f (void)
 		return;
 	}
 	var = Cvar_Create(varname, varvalue);
+
+	if (!var) // woods -- check if Cvar_Create failed (returned nullptr)
+	{
+		Con_Printf("failed to create cvar \"%s\"", varname);
+		return;
+	}
+
 	Cvar_SetQuick(var, varvalue);
 
 	if (!strcmp(Cmd_Argv(0), "seta"))