liblzma/lzma/lzma_encoder.c

422 is_options_valid(const lzma_options_lzma *options)
424 	// Validate some of the options. LZ encoder validates nice_len too
426 	return is_lclppb_valid(options)
427 			&& options->nice_len >= MATCH_LEN_MIN
428 			&& options->nice_len <= MATCH_LEN_MAX
429 			&& (options->mode == LZMA_MODE_FAST
430 				|| options->mode == LZMA_MODE_NORMAL);
435 set_lz_options(lzma_lz_options *lz_options, const lzma_options_lzma *options)
440 	lz_options->dict_size = options->dict_size;
443 	lz_options->nice_len = options->nice_len;
444 	lz_options->match_finder = options->mf;
445 	lz_options->depth = options->depth;
446 	lz_options->preset_dict = options->preset_dict;
447 	lz_options->preset_dict_size = options->preset_dict_size;
476 lzma_lzma_encoder_reset(lzma_coder *coder, const lzma_options_lzma *options)
478 	if (!is_options_valid(options))
481 	coder->pos_mask = (1U << options->pb) - 1;
482 	coder->literal_context_bits = options->lc;
483 	coder->literal_pos_mask = (1U << options->lp) - 1;
493 	literal_init(coder->literal, options->lc, options->lp);
519 			1U << options->pb, coder->fast_mode);
522 			1U << options->pb, coder->fast_mode);
549 		const lzma_options_lzma *options, lzma_lz_options *lz_options)
560 	// Set compression mode. We haven't validates the options yet,
562 	// options in the code below, and they will get rejected by
564 	switch (options->mode) {
575 			while ((UINT32_C(1) << log_size) < options->dict_size)
582 				= options->nice_len + 1 - MATCH_LEN_MIN;
584 				= options->nice_len + 1 - MATCH_LEN_MIN;
596 	coder->is_initialized = options->preset_dict != NULL
597 			&& options->preset_dict_size > 0;
600 	set_lz_options(lz_options, options);
602 	return lzma_lzma_encoder_reset(coder, options);
608 		const void *options, lzma_lz_options *lz_options)
612 			&lz->coder, allocator, options, lz_options);
626 lzma_lzma_encoder_memusage(const void *options)
628 	if (!is_options_valid(options))
632 	set_lz_options(&lz_options, options);
643 lzma_lzma_lclppb_encode(const lzma_options_lzma *options, uint8_t *byte)
645 	if (!is_lclppb_valid(options))
648 	*byte = (options->pb * 5 + options->lp) * 9 + options->lc;
657 lzma_lzma_props_encode(const void *options, uint8_t *out)
659 	const lzma_options_lzma *const opt = options;