Tracking memory allocation
lats at yless4u.com.au
Sat Oct 21 05:19:20 CDT 2006
I am looking at how to track whether memory has been allocated or
freed. The SCRIPT_STRING_ANALYSIS opaque point in usp10 can be freed in
a number of places. It seems that Windows handles this by checking a
list of allocated storage as the passed value of a
SCRIPT_STRING_ANALYSIS could be invalid. An obvious problem is where
SCRIPT_STRING_ANALYSIS pointer is passed or copied to another pointer.
At best one pointer could be NULLed but not both. I have seen this
behaviour. It seems that this would not be a unique problem in wine, is
there a standard way to handle memory tracking so that if memory is
freed, at a later time we can check to see if the pointer is still valid?
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