liblzma/lz/lz_decoder.c

216 			lzma_lz_options *lz_options))
237 	lzma_lz_options lz_options;
239 			filters[0].options, &lz_options));
246 	if (lz_options.dict_size < 4096)
247 		lz_options.dict_size = 4096;
256 	if (lz_options.dict_size > SIZE_MAX - 15)
259 	lz_options.dict_size = (lz_options.dict_size + 15) & ~((size_t)(15));
262 	if (coder->dict.size != lz_options.dict_size) {
265 				= lzma_alloc(lz_options.dict_size, allocator);
269 		coder->dict.size = lz_options.dict_size;
275 	if (lz_options.preset_dict != NULL
276 			&& lz_options.preset_dict_size > 0) {
279 		const size_t copy_size = my_min(lz_options.preset_dict_size,
280 				lz_options.dict_size);
281 		const size_t offset = lz_options.preset_dict_size - copy_size;
282 		memcpy(coder->dict.buf, lz_options.preset_dict + offset,