/* *	Bounding Box stuff (brucee 04/03/30). */ #include <mp.h>#include <libsec.h> typedef	struct	BB	BB;typedef	struct	BBset	BBset;typedef uchar		Hval[SHA1dlen]; #define	BBEQ(a, b)		(memcmp((a), (b), SHA1dlen) == 0)#define	BBMKHASH(b, n, h)	sha1((uchar *)(b), (n), (h), nil)#define	BBCP(d, s)		memmove(d, s, SHA1dlen) enum{	Bpre	= 1 << 0,	/* has a flow in */	Bjo	= 1 << 1,	/* a jump only */	Bbig	= 1 << 2,	/* too big */	Bdel	= 1 << 3,	/* deleted or not of interest */	Bpin	= 1 << 4,	/* pinned by embedded labels */ 	BBHASH	= 64,		/* power of 2 <= 256 */	BBMASK	= BBHASH - 1, 	BBINIT	= 128,	BBBIG	= 64,	BBBSIZE	= 8192,	BINST	= 128, 	COSTHI	= 0x7F,	COSTJO	= 0xFF,}; struct	BB{	Reg*	first;	Reg*	last;	BBset*	set;	BB*	link;	BB*	aux;	short	flags;	short	len;}; struct	BBset{	Hval	hash;	BB*	ents;	BBset*	next;	BBset*	link;	short	index;	uchar	damage;	uchar	recalc;};