When CompoundFileReader is constructed with a "real" file (i.e. something that returns an fd from fileno()), we should mmap the file and just read the bits of the FAT that we require in response to read requests from constructed streams. This should be considerably more efficient than constructing the entire FAT in memory
When CompoundFileReader is constructed with a "real" file (i.e. something that returns an fd from fileno()), we should mmap the file and just read the bits of the FAT that we require in response to read requests from constructed streams. This should be considerably more efficient than constructing the entire FAT in memory