54 lz_decoder_reset(lzma_coder *coder)  in lz_decoder_reset()  argument
56 	coder->dict.pos = LZ_DICT_INIT_POS;  in lz_decoder_reset()
57 	coder->dict.full = 0;  in lz_decoder_reset()
58 	coder->dict.buf[LZ_DICT_INIT_POS - 1] = '\0';  in lz_decoder_reset()
59 	coder->dict.has_wrapped = false;  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()
75 			coder->dict.pos = LZ_DICT_REPEAT_MAX;  in decode_buffer()
76 			coder->dict.has_wrapped = true;  in decode_buffer()
77 			memcpy(coder->dict.buf, coder->dict.buf  in decode_buffer()
78 						+ coder->dict.size  in decode_buffer()
85 		const size_t dict_start = coder->dict.pos;  in decode_buffer()
91 		coder->dict.limit = coder->dict.pos  in decode_buffer()
93 					coder->dict.size - coder->dict.pos);  in decode_buffer()
96 		const lzma_ret ret = coder->lz.code(  in decode_buffer()
97 				coder->lz.coder, &coder->dict,  in decode_buffer()
105 		const size_t copy_size = coder->dict.pos - dict_start;  in decode_buffer()
109 			memcpy(out + *out_pos, coder->dict.buf + dict_start,  in decode_buffer()
115 		if (coder->dict.need_reset) {  in decode_buffer()
116 			lz_decoder_reset(coder);  in decode_buffer()
133 					|| coder->dict.pos < coder->dict.size)  in decode_buffer()
147 	lzma_coder *coder = coder_ptr;  in lz_decode()  local
149 	if (coder->next.code == NULL)  in lz_decode()
150 		return decode_buffer(coder, in, in_pos, in_size,  in lz_decode()
157 		if (!coder->next_finished  in lz_decode()
158 				&& coder->temp.pos == coder->temp.size) {  in lz_decode()
159 			coder->temp.pos = 0;  in lz_decode()
160 			coder->temp.size = 0;  in lz_decode()
162 			const lzma_ret ret = coder->next.code(  in lz_decode()
163 					coder->next.coder,  in lz_decode()
165 					coder->temp.buffer, &coder->temp.size,  in lz_decode()
169 				coder->next_finished = true;  in lz_decode()
170 			else if (ret != LZMA_OK || coder->temp.size == 0)  in lz_decode()
174 		if (coder->this_finished) {  in lz_decode()
175 			if (coder->temp.size != 0)  in lz_decode()
178 			if (coder->next_finished)  in lz_decode()
184 		const lzma_ret ret = decode_buffer(coder, coder->temp.buffer,  in lz_decode()
185 				&coder->temp.pos, coder->temp.size,  in lz_decode()
189 			coder->this_finished = true;  in lz_decode()
192 		else if (coder->next_finished && *out_pos < out_size)  in lz_decode()
203 	lzma_coder *coder = coder_ptr;  in lz_decoder_end()  local
205 	lzma_next_end(&coder->next, allocator);  in lz_decoder_end()
206 	lzma_free(coder->dict.buf, allocator);  in lz_decoder_end()
208 	if (coder->lz.end != NULL)  in lz_decoder_end()
209 		coder->lz.end(coder->lz.coder, allocator);  in lz_decoder_end()
211 		lzma_free(coder->lz.coder, allocator);  in lz_decoder_end()
213 	lzma_free(coder, allocator);  in lz_decoder_end()
227 	lzma_coder *coder = next->coder;  in lzma_lz_decoder_init()  local
228 	if (coder == NULL) {  in lzma_lz_decoder_init()
229 		coder = lzma_alloc(sizeof(lzma_coder), allocator);  in lzma_lz_decoder_init()
230 		if (coder == NULL)  in lzma_lz_decoder_init()
233 		next->coder = coder;  in lzma_lz_decoder_init()
237 		coder->dict.buf = NULL;  in lzma_lz_decoder_init()
238 		coder->dict.size = 0;  in lzma_lz_decoder_init()
239 		coder->lz = LZMA_LZ_DECODER_INIT;  in lzma_lz_decoder_init()
240 		coder->next = LZMA_NEXT_CODER_INIT;  in lzma_lz_decoder_init()
246 	return_if_error(lz_init(&coder->lz, allocator,  in lzma_lz_decoder_init()
280 	if (coder->dict.size != alloc_size) {  in lzma_lz_decoder_init()
281 		lzma_free(coder->dict.buf, allocator);  in lzma_lz_decoder_init()
287 		coder->dict.buf = lzma_alloc(alloc_size + LZ_DICT_EXTRA,  in lzma_lz_decoder_init()
289 		if (coder->dict.buf == NULL)  in lzma_lz_decoder_init()
295 		coder->dict.size = alloc_size;  in lzma_lz_decoder_init()
298 	lz_decoder_reset(next->coder);  in lzma_lz_decoder_init()
308 		memcpy(coder->dict.buf + coder->dict.pos,  in lzma_lz_decoder_init()
313 		coder->dict.pos += copy_size;  in lzma_lz_decoder_init()
314 		coder->dict.full = copy_size;  in lzma_lz_decoder_init()
318 	coder->next_finished = false;  in lzma_lz_decoder_init()
319 	coder->this_finished = false;  in lzma_lz_decoder_init()
320 	coder->temp.pos = 0;  in lzma_lz_decoder_init()
321 	coder->temp.size = 0;  in lzma_lz_decoder_init()
324 	return lzma_next_filter_init(&coder->next, allocator, filters + 1);  in lzma_lz_decoder_init()