350 				     struct cstate *cst, uint16_t *p,  in process_bit0()  argument
361 	if (cst->state >= LZMA_NUM_LIT_STATES) {  in process_bit0()
362 		int match_byte = peek_old_byte(wr, cst->rep0);  in process_bit0()
383 	if (cst->state < 4)  in process_bit0()
384 		cst->state = 0;  in process_bit0()
385 	else if (cst->state < 10)  in process_bit0()
386 		cst->state -= 3;  in process_bit0()
388 		cst->state -= 6;  in process_bit0()
394 					    struct cstate *cst, uint16_t *p,  in process_bit1()  argument
402 	prob = p + LZMA_IS_REP + cst->state;  in process_bit1()
405 		cst->rep3 = cst->rep2;  in process_bit1()
406 		cst->rep2 = cst->rep1;  in process_bit1()
407 		cst->rep1 = cst->rep0;  in process_bit1()
408 		cst->state = cst->state < LZMA_NUM_LIT_STATES ? 0 : 3;  in process_bit1()
412 		prob = p + LZMA_IS_REP_G0 + cst->state;  in process_bit1()
416 				+ (cst->state <<  in process_bit1()
422 				cst->state = cst->state < LZMA_NUM_LIT_STATES ?  in process_bit1()
424 				return copy_byte(wr, cst->rep0);  in process_bit1()
432 			prob = p + LZMA_IS_REP_G1 + cst->state;  in process_bit1()
435 				distance = cst->rep1;  in process_bit1()
438 				prob = p + LZMA_IS_REP_G2 + cst->state;  in process_bit1()
441 					distance = cst->rep2;  in process_bit1()
444 					distance = cst->rep3;  in process_bit1()
445 					cst->rep3 = cst->rep2;  in process_bit1()
447 				cst->rep2 = cst->rep1;  in process_bit1()
449 			cst->rep1 = cst->rep0;  in process_bit1()
450 			cst->rep0 = distance;  in process_bit1()
452 		cst->state = cst->state < LZMA_NUM_LIT_STATES ? 8 : 11;  in process_bit1()
486 	if (cst->state < 4) {  in process_bit1()
489 		cst->state += LZMA_NUM_LIT_STATES;  in process_bit1()
502 			cst->rep0 = 2 | (pos_slot & 1);  in process_bit1()
504 				cst->rep0 <<= num_bits;  in process_bit1()
506 					cst->rep0 - pos_slot - 1;  in process_bit1()
510 					cst->rep0 = (cst->rep0 << 1) |  in process_bit1()
513 				cst->rep0 <<= LZMA_NUM_ALIGN_BITS;  in process_bit1()
520 					cst->rep0 |= i;  in process_bit1()
524 			cst->rep0 = pos_slot;  in process_bit1()
525 		if (++(cst->rep0) == 0)  in process_bit1()
527 		if (cst->rep0 > wr->header->dict_size  in process_bit1()
528 				|| cst->rep0 > get_pos(wr))  in process_bit1()
534 	return copy_bytes(wr, cst->rep0, len);  in process_bit1()
556 	struct cstate cst;  in unlzma()  local
571 	cst.state = 0;  in unlzma()
572 	cst.rep0 = cst.rep1 = cst.rep2 = cst.rep3 = 1;  in unlzma()
636 			(cst.state << LZMA_NUM_POS_BITS_MAX) + pos_state;  in unlzma()
638 			if (process_bit0(&wr, &rc, &cst, p, pos_state, prob,  in unlzma()
644 			if (process_bit1(&wr, &rc, &cst, p, pos_state, prob)) {  in unlzma()
648 			if (cst.rep0 == 0)  in unlzma()