Fix excessive file sizes for Storage files
wine at troy.rollo.name
Mon May 22 20:42:25 CDT 2006
The IStorage (DocFile) implementation was adding empty blocks at the end of
the file every time a caller wrote data that was not a multiple of 512 bytes.
If the caller made a lot of very small writes the file size could be huge
even though the data in the file was tiny. This was caused by
BlockChainStream_SetSize trying to allocate file blocks for the new data
using a condition that bore no relationship to the required condition, and it
was not necessary to do so at that time since it is done (the right way) by
StorageImpl_GetNextFreeBigBlock (called via BlockChainStream_Enlarge).
Troy Rollo - wine at troy.rollo.name
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