I have an app that uses DmCreateDatabaseFromImage or ExgDBRead to convert a
stream containing a desktop format database to internal format, depending on
whether the stream is less than 64K or more than 64K.

How much storage and dynamic memory do these API's need to work?

In running tests on this, it appears that storage memory that is at least
the size of the stream plus less than 1K is needed (how much less I can't
tell).  For dynamic memory, DmCreateDatabaseFromImage also seems to need
stream size plus <1K, while ExDBRead needs only <1K.

I'm asking about this because my app needs to be sure in advance that this
conversion will not fail due to lack of memory.

Thanks,

Mark Peters



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