|
IMallocSpy::PreFree
Called just before invoking IMalloc::Free.
PreFree(
void * pRequest,
| //The pointer is passing to IMalloc::Free
| BOOL fSpyed
| //TRUE if this memory was allocated while the spy was active
|
Parameters
pRequest
The pointer to the block of memory that the caller is passing to IMalloc::Free.
fSpyed
The value is TRUE if the pRequest parameter of IMallocSpy::PreFree was allocated while the spy was installed. This value is also passed to IMallocSpy::PostFree.
Return Value
The actual pointer to pass to IMalloc::Free.
Comments
If the PreAlloc method modified the original allocation, PreFree needs to compute the actual pointer to be passed to IMalloc::Free. For example, if the PreAlloc/PostAlloc pair attached a header used to store debug information to the beginning of
the user's allocation, then PreFree would return a pointer to this header so the true allocation block would be
freed.
See Also
IMalloc::Free, IMallocSpy::PostFree, CoRegisterMallocSpy, CoRevokeMallocSpy
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