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This is my code. My particular problem is in the else if where I am checking if a brick has been returned. For some reason when I execute remove(window, object), it doesn't remove the instance of the brick and it just stays there. The points get updated though, as well as the scoreboard and the direction. As I am checking if the object is NULL at the beginning of the code (can't be seen in the screenshot), there should be an existing object that I am giving the remove function. Also the window object is legit, as it does update the scoreboard. What can be causing this behavior?

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You should use removeGWindow not remove. Per the specs

SPL’s documentation incorrectly refers to that function as remove, but it’s indeed removeGWindow you want, whose prototype, to be clear, is the below.

void removeGWindow(GWindow gw, GObject gobj);
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  • Thanks a lot. Somehow I failed to see it mentioned in the exercise. Now everything is working! :)
    – TsvetaB
    Apr 2, 2015 at 18:18
  • when I use the same code it gives me Segmentation fault... it's only solved when I add object != NULL That is : else if(object!=NULL && strcmp(getType(object), "GRect") == 0) { removeGWindow(window, object); }
    – user7612
    Jul 25, 2015 at 7:12
  • @MahmoudSherifHabib I'm not sure whether you have a question or are trying to add an answer.
    – kzidane ♦
    Jul 25, 2015 at 7:15
  • @Kareem I want to know why I get Segmentation fault if I don't add object != NULL
    – user7612
    Jul 26, 2015 at 14:00
  • @MahmoudSherifHabib because getType tries to access/read data that belongs to theGObject that is passed to it as an argument. reading from NULL causes segfault.
    – kzidane ♦
    Jul 27, 2015 at 11:38

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