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[gnugo-devel] board code revisited
From: |
Gunnar Farnebäck |
Subject: |
[gnugo-devel] board code revisited |
Date: |
Thu, 13 May 2004 04:16:06 +0200 |
User-agent: |
EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/21.3 (sparc-sun-solaris2.9) MULE/5.0 (SAKAKI) |
Okay, I'm perfectly aware that I'm in the best position to answer this
question but since I don't know the answer I hope that somebody else
can come up with a good explanation anyway. :-)
In the definition of the vertex_stack_entry struct (board.c, line 78),
struct vertex_stack_entry {
Intersection *address;
int value;
};
why is the field value an int and not of type Intersection?
And while I'm going around criticizing my own code, here's an exercise
for your amusement. Assume that change_stack[] turns out to be too
small in some situation. What exactly will happen (there are a few
typical cases) when the buffer is overrun? How big is the probability
that the assertion in undo_trymove() will trigger before a
segmentation violation happens or some other assertion is hit?
/Gunnar
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