173 // External to internal API wrapper //
182 	if (strm->internal == NULL) {  in lzma_strm_init()
183 		strm->internal = lzma_alloc(sizeof(lzma_internal),  in lzma_strm_init()
185 		if (strm->internal == NULL)  in lzma_strm_init()
188 		strm->internal->next = LZMA_NEXT_CODER_INIT;  in lzma_strm_init()
191 	memzero(strm->internal->supported_actions,  in lzma_strm_init()
192 			sizeof(strm->internal->supported_actions));  in lzma_strm_init()
193 	strm->internal->sequence = ISEQ_RUN;  in lzma_strm_init()
194 	strm->internal->allow_buf_error = false;  in lzma_strm_init()
209 			|| strm->internal == NULL  in lzma_code()
210 			|| strm->internal->next.code == NULL  in lzma_code()
212 			|| !strm->internal->supported_actions[action])  in lzma_code()
228 	switch (strm->internal->sequence) {  in lzma_code()
235 			strm->internal->sequence = ISEQ_SYNC_FLUSH;  in lzma_code()
239 			strm->internal->sequence = ISEQ_FULL_FLUSH;  in lzma_code()
243 			strm->internal->sequence = ISEQ_FINISH;  in lzma_code()
247 			strm->internal->sequence = ISEQ_FULL_BARRIER;  in lzma_code()
257 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
264 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
271 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
278 				|| strm->internal->avail_in != strm->avail_in)  in lzma_code()
293 	lzma_ret ret = strm->internal->next.code(  in lzma_code()
294 			strm->internal->next.coder, strm->allocator,  in lzma_code()
314 	strm->internal->avail_in = strm->avail_in;  in lzma_code()
323 			if (strm->internal->allow_buf_error)  in lzma_code()
326 				strm->internal->allow_buf_error = true;  in lzma_code()
328 			strm->internal->allow_buf_error = false;  in lzma_code()
333 		strm->internal->allow_buf_error = false;  in lzma_code()
338 		strm->internal->allow_buf_error = false;  in lzma_code()
343 		if (strm->internal->sequence == ISEQ_FINISH)  in lzma_code()
344 			strm->internal->sequence = ISEQ_RUN;  in lzma_code()
349 		if (strm->internal->sequence == ISEQ_SYNC_FLUSH  in lzma_code()
350 				|| strm->internal->sequence == ISEQ_FULL_FLUSH  in lzma_code()
351 				|| strm->internal->sequence  in lzma_code()
353 			strm->internal->sequence = ISEQ_RUN;  in lzma_code()
355 			strm->internal->sequence = ISEQ_END;  in lzma_code()
365 		strm->internal->allow_buf_error = false;  in lzma_code()
371 		strm->internal->sequence = ISEQ_ERROR;  in lzma_code()
382 	if (strm != NULL && strm->internal != NULL) {  in lzma_end()
383 		lzma_next_end(&strm->internal->next, strm->allocator);  in lzma_end()
384 		lzma_free(strm->internal, strm->allocator);  in lzma_end()
385 		strm->internal = NULL;  in lzma_end()
410 	if (strm->internal->next.get_progress != NULL) {  in lzma_get_progress()
411 		strm->internal->next.get_progress(strm->internal->next.coder,  in lzma_get_progress()
427 	if (strm->internal->next.get_check == NULL)  in lzma_get_check()
430 	return strm->internal->next.get_check(strm->internal->next.coder);  in lzma_get_check()
440 	if (strm == NULL || strm->internal == NULL  in lzma_memusage()
441 			|| strm->internal->next.memconfig == NULL  in lzma_memusage()
442 			|| strm->internal->next.memconfig(  in lzma_memusage()
443 				strm->internal->next.coder,  in lzma_memusage()
457 	if (strm == NULL || strm->internal == NULL  in lzma_memlimit_get()
458 			|| strm->internal->next.memconfig == NULL  in lzma_memlimit_get()
459 			|| strm->internal->next.memconfig(  in lzma_memlimit_get()
460 				strm->internal->next.coder,  in lzma_memlimit_get()
475 	if (strm == NULL || strm->internal == NULL  in lzma_memlimit_set()
476 			|| strm->internal->next.memconfig == NULL)  in lzma_memlimit_set()
484 	return strm->internal->next.memconfig(strm->internal->next.coder,  in lzma_memlimit_set()