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typedef struct MetaBlock MetaBlock;
typedef struct MetaEntry MetaEntry;
#define MaxBlock (1UL<<31)
enum {
BytesPerEntry = 100, /* estimate of bytes per dir entries - determines number of index entries in the block */
FullPercentage = 80, /* don't allocate in block if more than this percentage full */
FlushSize = 200, /* number of blocks to flush */
DirtyPercentage = 50, /* maximum percentage of dirty blocks */
};
struct MetaEntry
{
uchar *p;
ushort size;
};
struct MetaBlock
{
int maxsize; /* size of block */
int size; /* size used */
int free; /* free space within used size */
int maxindex; /* entries allocated for table */
int nindex; /* amount of table used */
int unbotch;
uchar *buf;
};
struct VacDirEnum
{
VacFile *file;
u32int boff;
int i, n;
VacDir *buf;
};
void _mbinit(MetaBlock*, u8int*, uint, uint);
int _mbsearch(MetaBlock*, char*, int*, MetaEntry*);
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