292 static inline size_t INIT get_pos(struct writer *wr)  in get_pos()  argument
295 		wr->global_pos + wr->buffer_pos;  in get_pos()
298 static inline uint8_t INIT peek_old_byte(struct writer *wr,  in peek_old_byte()  argument
301 	if (!wr->flush) {  in peek_old_byte()
303 		while (offs > wr->header->dict_size)  in peek_old_byte()
304 			offs -= wr->header->dict_size;  in peek_old_byte()
305 		pos = wr->buffer_pos - offs;  in peek_old_byte()
306 		return wr->buffer[pos];  in peek_old_byte()
308 		uint32_t pos = wr->buffer_pos - offs;  in peek_old_byte()
309 		while (pos >= wr->header->dict_size)  in peek_old_byte()
310 			pos += wr->header->dict_size;  in peek_old_byte()
311 		return wr->buffer[pos];  in peek_old_byte()
316 static inline int INIT write_byte(struct writer *wr, uint8_t byte)  in write_byte()  argument
318 	wr->buffer[wr->buffer_pos++] = wr->previous_byte = byte;  in write_byte()
319 	if (wr->flush && wr->buffer_pos == wr->header->dict_size) {  in write_byte()
320 		wr->buffer_pos = 0;  in write_byte()
321 		wr->global_pos += wr->header->dict_size;  in write_byte()
322 		if (wr->flush((char *)wr->buffer, wr->header->dict_size)  in write_byte()
323 				!= wr->header->dict_size)  in write_byte()
330 static inline int INIT copy_byte(struct writer *wr, uint32_t offs)  in copy_byte()  argument
332 	return write_byte(wr, peek_old_byte(wr, offs));  in copy_byte()
335 static inline int INIT copy_bytes(struct writer *wr,  in copy_bytes()  argument
339 		if (copy_byte(wr, rep0))  in copy_bytes()
342 	} while (len != 0 && wr->buffer_pos < wr->header->dst_size);  in copy_bytes()
347 static inline int INIT process_bit0(struct writer *wr, struct rc *rc,  in process_bit0()  argument
355 		 * (((get_pos(wr) & literal_pos_mask) << lc)  in process_bit0()
356 		    + (wr->previous_byte >> (8 - lc))))  in process_bit0()
360 		int match_byte = peek_old_byte(wr, cst->rep0);  in process_bit0()
388 	return write_byte(wr, mi);  in process_bit0()
391 static inline int INIT process_bit1(struct writer *wr, struct rc *rc,  in process_bit1()  argument
422 				return copy_byte(wr, cst->rep0);  in process_bit1()
525 		if (cst->rep0 > wr->header->dict_size  in process_bit1()
526 				|| cst->rep0 > get_pos(wr))  in process_bit1()
532 	return copy_bytes(wr, cst->rep0, len);  in process_bit1()
553 	struct writer wr;  in unlzma()  local
572 	wr.header = &header;  in unlzma()
573 	wr.flush = flush;  in unlzma()
574 	wr.global_pos = 0;  in unlzma()
575 	wr.previous_byte = 0;  in unlzma()
576 	wr.buffer_pos = 0;  in unlzma()
613 		wr.buffer = output;  in unlzma()
615 		wr.bufsize = MIN(header.dst_size, header.dict_size);  in unlzma()
616 		wr.buffer = large_malloc(wr.bufsize);  in unlzma()
618 	if (wr.buffer == NULL)  in unlzma()
631 	while (get_pos(&wr) < header.dst_size) {  in unlzma()
632 		int pos_state =	get_pos(&wr) & pos_state_mask;  in unlzma()
636 			if (process_bit0(&wr, &rc, &cst, p, pos_state, prob,  in unlzma()
642 			if (process_bit1(&wr, &rc, &cst, p, pos_state, prob)) {  in unlzma()
655 	if (!wr.flush || wr.flush(wr.buffer, wr.buffer_pos) == wr.buffer_pos)  in unlzma()
661 		large_free(wr.buffer);  in unlzma()