lib/xz/xz_dec_lzma2.c

265 	struct lzma2_dec lzma2;
852 	if (s->temp.size > 0 || s->lzma2.compressed == 0) {
854 		if (tmp > s->lzma2.compressed - s->temp.size)
855 			tmp = s->lzma2.compressed - s->temp.size;
861 		if (s->temp.size + tmp == s->lzma2.compressed) {
880 		s->lzma2.compressed -= s->rc.in_pos;
898 		if (in_avail >= s->lzma2.compressed + LZMA_IN_REQUIRED)
899 			s->rc.in_limit = b->in_pos + s->lzma2.compressed;
907 		if (in_avail > s->lzma2.compressed)
910 		s->lzma2.compressed -= in_avail;
916 		if (in_avail > s->lzma2.compressed)
917 			in_avail = s->lzma2.compressed;
936 	while (b->in_pos < b->in_size || s->lzma2.sequence == SEQ_LZMA_RUN) {
937 		switch (s->lzma2.sequence) {
976 				s->lzma2.need_props = true;
977 				s->lzma2.need_dict_reset = false;
979 			} else if (s->lzma2.need_dict_reset) {
984 				s->lzma2.uncompressed = (tmp & 0x1F) << 16;
985 				s->lzma2.sequence = SEQ_UNCOMPRESSED_1;
993 					s->lzma2.need_props = false;
994 					s->lzma2.next_sequence
997 				} else if (s->lzma2.need_props) {
1001 					s->lzma2.next_sequence
1010 				s->lzma2.sequence = SEQ_COMPRESSED_0;
1011 				s->lzma2.next_sequence = SEQ_COPY;
1017 			s->lzma2.uncompressed
1019 			s->lzma2.sequence = SEQ_UNCOMPRESSED_2;
1023 			s->lzma2.uncompressed
1025 			s->lzma2.sequence = SEQ_COMPRESSED_0;
1029 			s->lzma2.compressed
1031 			s->lzma2.sequence = SEQ_COMPRESSED_1;
1035 			s->lzma2.compressed
1037 			s->lzma2.sequence = s->lzma2.next_sequence;
1044 			s->lzma2.sequence = SEQ_LZMA_PREPARE;
1047 			if (s->lzma2.compressed < RC_INIT_BYTES)
1053 			s->lzma2.compressed -= RC_INIT_BYTES;
1054 			s->lzma2.sequence = SEQ_LZMA_RUN;
1064 			 * multiple times without changing s->lzma2.sequence.
1068 					s->lzma2.uncompressed));
1072 			s->lzma2.uncompressed -= dict_flush(&s->dict, b);
1074 			if (s->lzma2.uncompressed == 0) {
1075 				if (s->lzma2.compressed > 0 || s->lzma.len > 0
1080 				s->lzma2.sequence = SEQ_CONTROL;
1085 						< s->lzma2.compressed)) {
1092 			dict_uncompressed(&s->dict, b, &s->lzma2.compressed);
1093 			if (s->lzma2.compressed > 0)
1096 			s->lzma2.sequence = SEQ_CONTROL;
1157 	s->lzma2.sequence = SEQ_CONTROL;
1158 	s->lzma2.need_dict_reset = true;