55 lz_decoder_reset(lzma_coder *coder)  in lz_decoder_reset()  argument
57 	coder->dict.pos = 0;  in lz_decoder_reset()
58 	coder->dict.full = 0;  in lz_decoder_reset()
59 	coder->dict.buf[coder->dict.size - 1] = '\0';  in lz_decoder_reset()
60 	coder->dict.need_reset = false;  in lz_decoder_reset()
66 decode_buffer(lzma_coder *coder,  in decode_buffer()  argument
73 		if (coder->dict.pos == coder->dict.size)  in decode_buffer()
74 			coder->dict.pos = 0;  in decode_buffer()
78 		const size_t dict_start = coder->dict.pos;  in decode_buffer()
84 		coder->dict.limit = coder->dict.pos  in decode_buffer()
86 					coder->dict.size - coder->dict.pos);  in decode_buffer()
89 		const lzma_ret ret = coder->lz.code(  in decode_buffer()
90 				coder->lz.coder, &coder->dict,  in decode_buffer()
95 		const size_t copy_size = coder->dict.pos - dict_start;  in decode_buffer()
97 		memcpy(out + *out_pos, coder->dict.buf + dict_start,  in decode_buffer()
102 		if (coder->dict.need_reset) {  in decode_buffer()
103 			lz_decoder_reset(coder);  in decode_buffer()
120 					|| coder->dict.pos < coder->dict.size)  in decode_buffer()
135 	lzma_coder *coder = coder_ptr;  in lz_decode()  local
137 	if (coder->next.code == NULL)  in lz_decode()
138 		return decode_buffer(coder, in, in_pos, in_size,  in lz_decode()
145 		if (!coder->next_finished  in lz_decode()
146 				&& coder->temp.pos == coder->temp.size) {  in lz_decode()
147 			coder->temp.pos = 0;  in lz_decode()
148 			coder->temp.size = 0;  in lz_decode()
150 			const lzma_ret ret = coder->next.code(  in lz_decode()
151 					coder->next.coder,  in lz_decode()
153 					coder->temp.buffer, &coder->temp.size,  in lz_decode()
157 				coder->next_finished = true;  in lz_decode()
158 			else if (ret != LZMA_OK || coder->temp.size == 0)  in lz_decode()
162 		if (coder->this_finished) {  in lz_decode()
163 			if (coder->temp.size != 0)  in lz_decode()
166 			if (coder->next_finished)  in lz_decode()
172 		const lzma_ret ret = decode_buffer(coder, coder->temp.buffer,  in lz_decode()
173 				&coder->temp.pos, coder->temp.size,  in lz_decode()
177 			coder->this_finished = true;  in lz_decode()
180 		else if (coder->next_finished && *out_pos < out_size)  in lz_decode()
191 	lzma_coder *coder = coder_ptr;  in lz_decoder_end()  local
193 	lzma_next_end(&coder->next, allocator);  in lz_decoder_end()
194 	lzma_free(coder->dict.buf, allocator);  in lz_decoder_end()
196 	if (coder->lz.end != NULL)  in lz_decoder_end()
197 		coder->lz.end(coder->lz.coder, allocator);  in lz_decoder_end()
199 		lzma_free(coder->lz.coder, allocator);  in lz_decoder_end()
201 	lzma_free(coder, allocator);  in lz_decoder_end()
214 	lzma_coder *coder = next->coder;  in lzma_lz_decoder_init()  local
215 	if (coder == NULL) {  in lzma_lz_decoder_init()
216 		coder = lzma_alloc(sizeof(lzma_coder), allocator);  in lzma_lz_decoder_init()
217 		if (coder == NULL)  in lzma_lz_decoder_init()
220 		next->coder = coder;  in lzma_lz_decoder_init()
224 		coder->dict.buf = NULL;  in lzma_lz_decoder_init()
225 		coder->dict.size = 0;  in lzma_lz_decoder_init()
226 		coder->lz = LZMA_LZ_DECODER_INIT;  in lzma_lz_decoder_init()
227 		coder->next = LZMA_NEXT_CODER_INIT;  in lzma_lz_decoder_init()
233 	return_if_error(lz_init(&coder->lz, allocator,  in lzma_lz_decoder_init()
257 	if (coder->dict.size != lz_options.dict_size) {  in lzma_lz_decoder_init()
258 		lzma_free(coder->dict.buf, allocator);  in lzma_lz_decoder_init()
259 		coder->dict.buf  in lzma_lz_decoder_init()
261 		if (coder->dict.buf == NULL)  in lzma_lz_decoder_init()
264 		coder->dict.size = lz_options.dict_size;  in lzma_lz_decoder_init()
267 	lz_decoder_reset(next->coder);  in lzma_lz_decoder_init()
277 		memcpy(coder->dict.buf, lz_options.preset_dict + offset,  in lzma_lz_decoder_init()
279 		coder->dict.pos = copy_size;  in lzma_lz_decoder_init()
280 		coder->dict.full = copy_size;  in lzma_lz_decoder_init()
284 	coder->next_finished = false;  in lzma_lz_decoder_init()
285 	coder->this_finished = false;  in lzma_lz_decoder_init()
286 	coder->temp.pos = 0;  in lzma_lz_decoder_init()
287 	coder->temp.size = 0;  in lzma_lz_decoder_init()
290 	return lzma_next_filter_init(&coder->next, allocator, filters + 1);  in lzma_lz_decoder_init()
304 	lzma_coder *coder = coder_ptr;  in lzma_lz_decoder_uncompressed()  local
305 	coder->lz.set_uncompressed(coder->lz.coder, uncompressed_size);  in lzma_lz_decoder_uncompressed()