Download A Secure File System Based on

off_t * dir;
/* Point to the hash directory of the database. */
cache_elem * bucket_cache;
/* A hash bucket cache with cache_size bucket cache elements.*/
int cache_size;
/* Here is 100. */
int last_read;
/* Indicate the last read cache element. */
bucket * bucket;
/* Changed to point to the modified hash bucket structure */
int bucket_dir;
/* The directory entry for the current hash bucket.*/
cache_elem * cache_entry;
/* Point to the current hash bucket's cache entry. */
char header_changed;
/* Things need to be written back to disk when updated.*/
char directory_changed;
char bucket_changed;
char second_changed;
} gdbm_file_info;
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