lib/xz/xz_dec_bcj.c

75 	} temp;
395  * Flush pending filtered data from temp to the output buffer.
397  * data to the beginning of temp.
403 	copy_size = min_t(size_t, s->temp.filtered, b->out_size - b->out_pos);
404 	memcpy(b->out + b->out_pos, s->temp.buf, copy_size);
407 	s->temp.filtered -= copy_size;
408 	s->temp.size -= copy_size;
409 	memmove(s->temp.buf, s->temp.buf + copy_size, s->temp.size);
428 	if (s->temp.filtered > 0) {
430 		if (s->temp.filtered > 0)
439 	 * temp, copy the unfiltered data from temp to the output buffer
443 	 * to temp and rewind the output buffer position accordingly.
445 	 * This needs to be always run when temp.size == 0 to handle a special
449 	if (s->temp.size < b->out_size - b->out_pos || s->temp.size == 0) {
451 		memcpy(b->out + b->out_pos, s->temp.buf, s->temp.size);
452 		b->out_pos += s->temp.size;
469 		s->temp.size = b->out_pos - out_start;
470 		b->out_pos -= s->temp.size;
471 		memcpy(s->temp.buf, b->out + b->out_pos, s->temp.size);
476 		 * to try decoding more data to temp.
478 		if (b->out_pos + s->temp.size < b->out_size)
483 	 * We have unfiltered data in temp. If the output buffer isn't full
484 	 * yet, try to fill the temp buffer by decoding more data from the
485 	 * next filter. Apply the BCJ filter on temp. Then we hopefully can
486 	 * fill the actual output buffer by copying filtered data from temp.
487 	 * A mix of filtered and unfiltered data may be left in temp; it will
491 		/* Make b->out{,_pos,_size} temporarily point to s->temp. */
495 		b->out = s->temp.buf;
496 		b->out_pos = s->temp.size;
497 		b->out_size = sizeof(s->temp.buf);
501 		s->temp.size = b->out_pos;
509 		bcj_apply(s, s->temp.buf, &s->temp.filtered, s->temp.size);
517 			s->temp.filtered = s->temp.size;
520 		if (s->temp.filtered > 0)
568 	s->temp.filtered = 0;
569 	s->temp.size = 0;