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-rw-r--r--src/liblzma/lzma/lzma_encoder.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/src/liblzma/lzma/lzma_encoder.c b/src/liblzma/lzma/lzma_encoder.c
index 559c63e..543ca32 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(