diff options
Diffstat (limited to 'src/liblzma/lzma/lzma_encoder.c')
| -rw-r--r-- | src/liblzma/lzma/lzma_encoder.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/liblzma/lzma/lzma_encoder.c b/src/liblzma/lzma/lzma_encoder.c index 559c63eda1d2..543ca321c3c2 100644 --- a/src/liblzma/lzma/lzma_encoder.c +++ b/src/liblzma/lzma/lzma_encoder.c @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: 0BSD + /////////////////////////////////////////////////////////////////////////////// // /// \file lzma_encoder.c @@ -6,9 +8,6 @@ // Authors: Igor Pavlov // Lasse Collin // -// This file has been put into the public domain. -// You can do whatever you want with this file. -// /////////////////////////////////////////////////////////////////////////////// #include "lzma2_encoder.h" @@ -49,24 +48,24 @@ literal(lzma_lzma1_encoder *coder, lzma_mf *mf, uint32_t position) const uint8_t cur_byte = mf->buffer[ mf->read_pos - mf->read_ahead]; probability *subcoder = literal_subcoder(coder->literal, - coder->literal_context_bits, coder->literal_pos_mask, + coder->literal_context_bits, coder->literal_mask, position, mf->buffer[mf->read_pos - mf->read_ahead - 1]); if (is_literal_state(coder->state)) { // Previous LZMA-symbol was a literal. Encode a normal // literal without a match byte. + update_literal_normal(coder->state); rc_bittree(&coder->rc, subcoder, 8, cur_byte); } else { // Previous LZMA-symbol was a match. Use the last byte of // the match as a "match byte". That is, compare the bits // of the current literal and the match byte. + update_literal_matched(coder->state); const uint8_t match_byte = mf->buffer[ mf->read_pos - coder->reps[0] - 1 - mf->read_ahead]; literal_matched(&coder->rc, subcoder, match_byte, cur_byte); } - - update_literal(coder->state); } @@ -283,7 +282,7 @@ encode_init(lzma_lzma1_encoder *coder, lzma_mf *mf) mf_skip(mf, 1); mf->read_ahead = 0; rc_bit(&coder->rc, &coder->is_match[0][0], 0); - rc_bittree(&coder->rc, coder->literal[0], 8, mf->buffer[0]); + rc_bittree(&coder->rc, coder->literal + 0, 8, mf->buffer[0]); ++coder->uncomp_size; } @@ -535,7 +534,7 @@ lzma_lzma_encoder_reset(lzma_lzma1_encoder *coder, coder->pos_mask = (1U << options->pb) - 1; coder->literal_context_bits = options->lc; - coder->literal_pos_mask = (1U << options->lp) - 1; + coder->literal_mask = literal_mask_calc(options->lc, options->lp); // Range coder rc_reset(&coder->rc); @@ -712,6 +711,9 @@ static lzma_ret lzma_encoder_init(lzma_lz_encoder *lz, const lzma_allocator *allocator, lzma_vli id, const void *options, lzma_lz_options *lz_options) { + if (options == NULL) + return LZMA_PROG_ERROR; + lz->code = &lzma_encode; lz->set_out_limit = &lzma_lzma_set_out_limit; return lzma_lzma_encoder_create( |