167 // External to internal API wrapper //
176 	if (strm->internal == NULL) {  in lzma_strm_init()
177 		strm->internal = lzma_alloc(sizeof(lzma_internal),  in lzma_strm_init()
179 		if (strm->internal == NULL)  in lzma_strm_init()
182 		strm->internal->next = LZMA_NEXT_CODER_INIT;  in lzma_strm_init()
185 	memzero(strm->internal->supported_actions,  in lzma_strm_init()
186 			sizeof(strm->internal->supported_actions));  in lzma_strm_init()
187 	strm->internal->sequence = ISEQ_RUN;  in lzma_strm_init()
188 	strm->internal->allow_buf_error = false;  in lzma_strm_init()
203 			|| strm->internal == NULL  in lzma_code()
204 			|| strm->internal->next.code == NULL  in lzma_code()
206 			|| !strm->internal->supported_actions[action])  in lzma_code()
222 	switch (strm->internal->sequence) {  in lzma_code()
229 			strm->internal->sequence = ISEQ_SYNC_FLUSH;  in lzma_code()
233 			strm->internal->sequence = ISEQ_FULL_FLUSH;  in lzma_code()
237 			strm->internal->sequence = ISEQ_FINISH;  in lzma_code()
241 			strm->internal->sequence = ISEQ_FULL_BARRIER;  in lzma_code()
251 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
258 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
265 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
272 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
287 	lzma_ret ret = strm->internal->next.code(  in lzma_code()
288 			strm->internal->next.coder, strm->allocator,  in lzma_code()
308 	strm->internal->avail_in = strm->avail_in;  in lzma_code()
317 			if (strm->internal->allow_buf_error)  in lzma_code()
320 				strm->internal->allow_buf_error = true;  in lzma_code()
322 			strm->internal->allow_buf_error = false;  in lzma_code()
327 		strm->internal->allow_buf_error = false;  in lzma_code()
332 		strm->internal->allow_buf_error = false;  in lzma_code()
337 		if (strm->internal->sequence == ISEQ_FINISH)  in lzma_code()
338 			strm->internal->sequence = ISEQ_RUN;  in lzma_code()
343 		if (strm->internal->sequence == ISEQ_SYNC_FLUSH  in lzma_code()
344 				|| strm->internal->sequence == ISEQ_FULL_FLUSH  in lzma_code()
345 				|| strm->internal->sequence  in lzma_code()
347 			strm->internal->sequence = ISEQ_RUN;  in lzma_code()
349 			strm->internal->sequence = ISEQ_END;  in lzma_code()
359 		strm->internal->allow_buf_error = false;  in lzma_code()
365 		strm->internal->sequence = ISEQ_ERROR;  in lzma_code()
376 	if (strm != NULL && strm->internal != NULL) {  in lzma_end()
377 		lzma_next_end(&strm->internal->next, strm->allocator);  in lzma_end()
378 		lzma_free(strm->internal, strm->allocator);  in lzma_end()
379 		strm->internal = NULL;  in lzma_end()
404 	if (strm->internal->next.get_progress != NULL) {  in lzma_get_progress()
405 		strm->internal->next.get_progress(strm->internal->next.coder,  in lzma_get_progress()
421 	if (strm->internal->next.get_check == NULL)  in lzma_get_check()
424 	return strm->internal->next.get_check(strm->internal->next.coder);  in lzma_get_check()
434 	if (strm == NULL || strm->internal == NULL  in lzma_memusage()
435 			|| strm->internal->next.memconfig == NULL  in lzma_memusage()
436 			|| strm->internal->next.memconfig(  in lzma_memusage()
437 				strm->internal->next.coder,  in lzma_memusage()
451 	if (strm == NULL || strm->internal == NULL  in lzma_memlimit_get()
452 			|| strm->internal->next.memconfig == NULL  in lzma_memlimit_get()
453 			|| strm->internal->next.memconfig(  in lzma_memlimit_get()
454 				strm->internal->next.coder,  in lzma_memlimit_get()
469 	if (strm == NULL || strm->internal == NULL  in lzma_memlimit_set()
470 			|| strm->internal->next.memconfig == NULL)  in lzma_memlimit_set()
478 	return strm->internal->next.memconfig(strm->internal->next.coder,  in lzma_memlimit_set()