#ifndef ANI_DB_H
#define ANI_DB_H

/**
 * The sanakirja database exists to allow the creation of data
 * structures that most naturally lives in memory-mapped files.
 *
 * It is structured around pages, through two traits AllocPage and
 * LoadPage. The assumption is that pages have 4K bytes.
 *
 * There is a Storable macro that types can implement to indicate they
 * can be stored on disk. Implementations should allow for comparing
 * types, getting references from a page to other pages (if they
 * exist).
 */
#define PAGESZ 4096

struct globalheader {
	u16 version; /* sanakirja version */
	u8 root;     /* which page is currently the root page? */
	u8 nroots;   /* how many root pages are there? */
	u32 crc;     /* CRC of this page */
	u64 length;  /* first free page at the end of the file */
	u64 freedb;  /* offset of the free list */
	u64 rcdb;    /* offset of the RC db */
};

void dbrun(char *);

#endif