61 	lzma_lzma2_coder *restrict coder = coder_ptr;  in lzma2_decode()  local
66 	while (*in_pos < in_size || coder->sequence == SEQ_LZMA)  in lzma2_decode()
67 	switch (coder->sequence) {  in lzma2_decode()
79 			coder->need_properties = true;  in lzma2_decode()
80 			coder->need_dictionary_reset = true;  in lzma2_decode()
81 		} else if (coder->need_dictionary_reset) {  in lzma2_decode()
88 			coder->uncompressed_size = (control & 0x1F) << 16;  in lzma2_decode()
89 			coder->sequence = SEQ_UNCOMPRESSED_1;  in lzma2_decode()
96 				coder->need_properties = false;  in lzma2_decode()
97 				coder->next_sequence = SEQ_PROPERTIES;  in lzma2_decode()
99 			} else if (coder->need_properties) {  in lzma2_decode()
103 				coder->next_sequence = SEQ_LZMA;  in lzma2_decode()
109 					coder->lzma.reset(coder->lzma.coder,  in lzma2_decode()
110 							&coder->options);  in lzma2_decode()
118 			coder->sequence = SEQ_COMPRESSED_0;  in lzma2_decode()
119 			coder->next_sequence = SEQ_COPY;  in lzma2_decode()
122 		if (coder->need_dictionary_reset) {  in lzma2_decode()
125 			coder->need_dictionary_reset = false;  in lzma2_decode()
134 		coder->uncompressed_size += (uint32_t)(in[(*in_pos)++]) << 8;  in lzma2_decode()
135 		coder->sequence = SEQ_UNCOMPRESSED_2;  in lzma2_decode()
139 		coder->uncompressed_size += in[(*in_pos)++] + 1U;  in lzma2_decode()
140 		coder->sequence = SEQ_COMPRESSED_0;  in lzma2_decode()
141 		coder->lzma.set_uncompressed(coder->lzma.coder,  in lzma2_decode()
142 				coder->uncompressed_size);  in lzma2_decode()
146 		coder->compressed_size = (uint32_t)(in[(*in_pos)++]) << 8;  in lzma2_decode()
147 		coder->sequence = SEQ_COMPRESSED_1;  in lzma2_decode()
151 		coder->compressed_size += in[(*in_pos)++] + 1U;  in lzma2_decode()
152 		coder->sequence = coder->next_sequence;  in lzma2_decode()
156 		if (lzma_lzma_lclppb_decode(&coder->options, in[(*in_pos)++]))  in lzma2_decode()
159 		coder->lzma.reset(coder->lzma.coder, &coder->options);  in lzma2_decode()
161 		coder->sequence = SEQ_LZMA;  in lzma2_decode()
170 		const lzma_ret ret = coder->lzma.code(coder->lzma.coder,  in lzma2_decode()
175 		if (in_used > coder->compressed_size)  in lzma2_decode()
178 		coder->compressed_size -= in_used;  in lzma2_decode()
187 		if (coder->compressed_size != 0)  in lzma2_decode()
190 		coder->sequence = SEQ_CONTROL;  in lzma2_decode()
196 		dict_write(dict, in, in_pos, in_size, &coder->compressed_size);  in lzma2_decode()
197 		if (coder->compressed_size != 0)  in lzma2_decode()
200 		coder->sequence = SEQ_CONTROL;  in lzma2_decode()
216 	lzma_lzma2_coder *coder = coder_ptr;  in lzma2_decoder_end()  local
218 	assert(coder->lzma.end == NULL);  in lzma2_decoder_end()
219 	lzma_free(coder->lzma.coder, allocator);  in lzma2_decoder_end()
221 	lzma_free(coder, allocator);  in lzma2_decoder_end()
231 	lzma_lzma2_coder *coder = lz->coder;  in lzma2_decoder_init()  local
232 	if (coder == NULL) {  in lzma2_decoder_init()
233 		coder = lzma_alloc(sizeof(lzma_lzma2_coder), allocator);  in lzma2_decoder_init()
234 		if (coder == NULL)  in lzma2_decoder_init()
237 		lz->coder = coder;  in lzma2_decoder_init()
241 		coder->lzma = LZMA_LZ_DECODER_INIT;  in lzma2_decoder_init()
246 	coder->sequence = SEQ_CONTROL;  in lzma2_decoder_init()
247 	coder->need_properties = true;  in lzma2_decoder_init()
248 	coder->need_dictionary_reset = options->preset_dict == NULL  in lzma2_decoder_init()
251 	return lzma_lzma_decoder_create(&coder->lzma,  in lzma2_decoder_init()