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-rw-r--r--src/liblzma/lz/lz_decoder.c60
-rw-r--r--src/liblzma/lz/lz_decoder.h13
-rw-r--r--src/liblzma/lz/lz_encoder.c57
-rw-r--r--src/liblzma/lz/lz_encoder.h9
-rw-r--r--src/liblzma/lzma/lzma2_decoder.c32
-rw-r--r--src/liblzma/lzma/lzma2_encoder.c51
-rw-r--r--src/liblzma/lzma/lzma_decoder.c27
-rw-r--r--src/liblzma/lzma/lzma_encoder.c29
-rw-r--r--src/liblzma/lzma/lzma_encoder.h9
-rw-r--r--src/liblzma/lzma/lzma_encoder_optimum_fast.c3
-rw-r--r--src/liblzma/lzma/lzma_encoder_optimum_normal.c23
-rw-r--r--src/liblzma/lzma/lzma_encoder_private.h6
12 files changed, 173 insertions, 146 deletions
diff --git a/src/liblzma/lz/lz_decoder.c b/src/liblzma/lz/lz_decoder.c
index 2328a8e7..c7086440 100644
--- a/src/liblzma/lz/lz_decoder.c
+++ b/src/liblzma/lz/lz_decoder.c
@@ -20,7 +20,7 @@
#include "lz_decoder.h"
-struct lzma_coder_s {
+typedef struct {
/// Dictionary (history buffer)
lzma_dict dict;
@@ -48,7 +48,7 @@ struct lzma_coder_s {
size_t size;
uint8_t buffer[LZMA_BUFFER_SIZE];
} temp;
-};
+} lzma_coder;
static void
@@ -125,13 +125,15 @@ decode_buffer(lzma_coder *coder,
static lzma_ret
-lz_decode(lzma_coder *coder,
+lz_decode(void *coder_ptr,
const lzma_allocator *allocator lzma_attribute((__unused__)),
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
lzma_action action)
{
+ lzma_coder *coder = coder_ptr;
+
if (coder->next.code == NULL)
return decode_buffer(coder, in, in_pos, in_size,
out, out_pos, out_size);
@@ -184,8 +186,10 @@ lz_decode(lzma_coder *coder,
static void
-lz_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lz_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
+ lzma_coder *coder = coder_ptr;
+
lzma_next_end(&coder->next, allocator);
lzma_free(coder->dict.buf, allocator);
@@ -207,24 +211,26 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
lzma_lz_options *lz_options))
{
// Allocate the base structure if it isn't already allocated.
- if (next->coder == NULL) {
- next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
- if (next->coder == NULL)
+ lzma_coder *coder = next->coder;
+ if (coder == NULL) {
+ coder = lzma_alloc(sizeof(lzma_coder), allocator);
+ if (coder == NULL)
return LZMA_MEM_ERROR;
+ next->coder = coder;
next->code = &lz_decode;
next->end = &lz_decoder_end;
- next->coder->dict.buf = NULL;
- next->coder->dict.size = 0;
- next->coder->lz = LZMA_LZ_DECODER_INIT;
- next->coder->next = LZMA_NEXT_CODER_INIT;
+ coder->dict.buf = NULL;
+ coder->dict.size = 0;
+ coder->lz = LZMA_LZ_DECODER_INIT;
+ coder->next = LZMA_NEXT_CODER_INIT;
}
// Allocate and initialize the LZ-based decoder. It will also give
// us the dictionary size.
lzma_lz_options lz_options;
- return_if_error(lz_init(&next->coder->lz, allocator,
+ return_if_error(lz_init(&coder->lz, allocator,
filters[0].options, &lz_options));
// If the dictionary size is very small, increase it to 4096 bytes.
@@ -248,14 +254,14 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
lz_options.dict_size = (lz_options.dict_size + 15) & ~((size_t)(15));
// Allocate and initialize the dictionary.
- if (next->coder->dict.size != lz_options.dict_size) {
- lzma_free(next->coder->dict.buf, allocator);
- next->coder->dict.buf
+ if (coder->dict.size != lz_options.dict_size) {
+ lzma_free(coder->dict.buf, allocator);
+ coder->dict.buf
= lzma_alloc(lz_options.dict_size, allocator);
- if (next->coder->dict.buf == NULL)
+ if (coder->dict.buf == NULL)
return LZMA_MEM_ERROR;
- next->coder->dict.size = lz_options.dict_size;
+ coder->dict.size = lz_options.dict_size;
}
lz_decoder_reset(next->coder);
@@ -268,21 +274,20 @@ lzma_lz_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
const size_t copy_size = my_min(lz_options.preset_dict_size,
lz_options.dict_size);
const size_t offset = lz_options.preset_dict_size - copy_size;
- memcpy(next->coder->dict.buf, lz_options.preset_dict + offset,
+ memcpy(coder->dict.buf, lz_options.preset_dict + offset,
copy_size);
- next->coder->dict.pos = copy_size;
- next->coder->dict.full = copy_size;
+ coder->dict.pos = copy_size;
+ coder->dict.full = copy_size;
}
// Miscellaneous initializations
- next->coder->next_finished = false;
- next->coder->this_finished = false;
- next->coder->temp.pos = 0;
- next->coder->temp.size = 0;
+ coder->next_finished = false;
+ coder->this_finished = false;
+ coder->temp.pos = 0;
+ coder->temp.size = 0;
// Initialize the next filter in the chain, if any.
- return lzma_next_filter_init(&next->coder->next, allocator,
- filters + 1);
+ return lzma_next_filter_init(&coder->next, allocator, filters + 1);
}
@@ -294,7 +299,8 @@ lzma_lz_decoder_memusage(size_t dictionary_size)
extern void
-lzma_lz_decoder_uncompressed(lzma_coder *coder, lzma_vli uncompressed_size)
+lzma_lz_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
{
+ lzma_coder *coder = coder_ptr;
coder->lz.set_uncompressed(coder->lz.coder, uncompressed_size);
}
diff --git a/src/liblzma/lz/lz_decoder.h b/src/liblzma/lz/lz_decoder.h
index 277900af..754ccf37 100644
--- a/src/liblzma/lz/lz_decoder.h
+++ b/src/liblzma/lz/lz_decoder.h
@@ -53,21 +53,20 @@ typedef struct {
typedef struct {
/// Data specific to the LZ-based decoder
- lzma_coder *coder;
+ void *coder;
/// Function to decode from in[] to *dict
- lzma_ret (*code)(lzma_coder *restrict coder,
+ lzma_ret (*code)(void *coder,
lzma_dict *restrict dict, const uint8_t *restrict in,
size_t *restrict in_pos, size_t in_size);
- void (*reset)(lzma_coder *coder, const void *options);
+ void (*reset)(void *coder, const void *options);
/// Set the uncompressed size
- void (*set_uncompressed)(lzma_coder *coder,
- lzma_vli uncompressed_size);
+ void (*set_uncompressed)(void *coder, lzma_vli uncompressed_size);
/// Free allocated resources
- void (*end)(lzma_coder *coder, const lzma_allocator *allocator);
+ void (*end)(void *coder, const lzma_allocator *allocator);
} lzma_lz_decoder;
@@ -92,7 +91,7 @@ extern lzma_ret lzma_lz_decoder_init(lzma_next_coder *next,
extern uint64_t lzma_lz_decoder_memusage(size_t dictionary_size);
extern void lzma_lz_decoder_uncompressed(
- lzma_coder *coder, lzma_vli uncompressed_size);
+ void *coder, lzma_vli uncompressed_size);
//////////////////////
diff --git a/src/liblzma/lz/lz_encoder.c b/src/liblzma/lz/lz_encoder.c
index 5a2be798..9a74b7c4 100644
--- a/src/liblzma/lz/lz_encoder.c
+++ b/src/liblzma/lz/lz_encoder.c
@@ -23,7 +23,7 @@
#include "memcmplen.h"
-struct lzma_coder_s {
+typedef struct {
/// LZ-based encoder e.g. LZMA
lzma_lz_encoder lz;
@@ -32,7 +32,7 @@ struct lzma_coder_s {
/// Next coder in the chain
lzma_next_coder next;
-};
+} lzma_coder;
/// \brief Moves the data in the input window to free space for new data
@@ -157,12 +157,14 @@ fill_window(lzma_coder *coder, const lzma_allocator *allocator,
static lzma_ret
-lz_encode(lzma_coder *coder, const lzma_allocator *allocator,
+lz_encode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size, lzma_action action)
{
+ lzma_coder *coder = coder_ptr;
+
while (*out_pos < out_size
&& (*in_pos < in_size || action != LZMA_RUN)) {
// Read more data to coder->mf.buffer if needed.
@@ -481,8 +483,10 @@ lzma_lz_encoder_memusage(const lzma_lz_options *lz_options)
static void
-lz_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lz_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
+ lzma_coder *coder = coder_ptr;
+
lzma_next_end(&coder->next, allocator);
lzma_free(coder->mf.son, allocator);
@@ -500,10 +504,12 @@ lz_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
static lzma_ret
-lz_encoder_update(lzma_coder *coder, const lzma_allocator *allocator,
+lz_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
const lzma_filter *filters_null lzma_attribute((__unused__)),
const lzma_filter *reversed_filters)
{
+ lzma_coder *coder = coder_ptr;
+
if (coder->lz.options_update == NULL)
return LZMA_PROG_ERROR;
@@ -528,50 +534,51 @@ lzma_lz_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
#endif
// Allocate and initialize the base data structure.
- if (next->coder == NULL) {
- next->coder = lzma_alloc(sizeof(lzma_coder), allocator);
- if (next->coder == NULL)
+ lzma_coder *coder = next->coder;
+ if (coder == NULL) {
+ coder = lzma_alloc(sizeof(lzma_coder), allocator);
+ if (coder == NULL)
return LZMA_MEM_ERROR;
+ next->coder = coder;
next->code = &lz_encode;
next->end = &lz_encoder_end;
next->update = &lz_encoder_update;
- next->coder->lz.coder = NULL;
- next->coder->lz.code = NULL;
- next->coder->lz.end = NULL;
+ coder->lz.coder = NULL;
+ coder->lz.code = NULL;
+ coder->lz.end = NULL;
// mf.size is initialized to silence Valgrind
// when used on optimized binaries (GCC may reorder
// code in a way that Valgrind gets unhappy).
- next->coder->mf.buffer = NULL;
- next->coder->mf.size = 0;
- next->coder->mf.hash = NULL;
- next->coder->mf.son = NULL;
- next->coder->mf.hash_count = 0;
- next->coder->mf.sons_count = 0;
-
- next->coder->next = LZMA_NEXT_CODER_INIT;
+ coder->mf.buffer = NULL;
+ coder->mf.size = 0;
+ coder->mf.hash = NULL;
+ coder->mf.son = NULL;
+ coder->mf.hash_count = 0;
+ coder->mf.sons_count = 0;
+
+ coder->next = LZMA_NEXT_CODER_INIT;
}
// Initialize the LZ-based encoder.
lzma_lz_options lz_options;
- return_if_error(lz_init(&next->coder->lz, allocator,
+ return_if_error(lz_init(&coder->lz, allocator,
filters[0].options, &lz_options));
- // Setup the size information into next->coder->mf and deallocate
+ // Setup the size information into coder->mf and deallocate
// old buffers if they have wrong size.
- if (lz_encoder_prepare(&next->coder->mf, allocator, &lz_options))
+ if (lz_encoder_prepare(&coder->mf, allocator, &lz_options))
return LZMA_OPTIONS_ERROR;
// Allocate new buffers if needed, and do the rest of
// the initialization.
- if (lz_encoder_init(&next->coder->mf, allocator, &lz_options))
+ if (lz_encoder_init(&coder->mf, allocator, &lz_options))
return LZMA_MEM_ERROR;
// Initialize the next filter in the chain, if any.
- return lzma_next_filter_init(&next->coder->next, allocator,
- filters + 1);
+ return lzma_next_filter_init(&coder->next, allocator, filters + 1);
}
diff --git a/src/liblzma/lz/lz_encoder.h b/src/liblzma/lz/lz_encoder.h
index dad9c6b2..426dcd8a 100644
--- a/src/liblzma/lz/lz_encoder.h
+++ b/src/liblzma/lz/lz_encoder.h
@@ -191,19 +191,18 @@ typedef struct {
typedef struct {
/// Data specific to the LZ-based encoder
- lzma_coder *coder;
+ void *coder;
/// Function to encode from *dict to out[]
- lzma_ret (*code)(lzma_coder *restrict coder,
+ lzma_ret (*code)(void *coder,
lzma_mf *restrict mf, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size);
/// Free allocated resources
- void (*end)(lzma_coder *coder, const lzma_allocator *allocator);
+ void (*end)(void *coder, const lzma_allocator *allocator);
/// Update the options in the middle of the encoding.
- lzma_ret (*options_update)(lzma_coder *coder,
- const lzma_filter *filter);
+ lzma_ret (*options_update)(void *coder, const lzma_filter *filter);
} lzma_lz_encoder;
diff --git a/src/liblzma/lzma/lzma2_decoder.c b/src/liblzma/lzma/lzma2_decoder.c
index 84982d2c..878c870a 100644
--- a/src/liblzma/lzma/lzma2_decoder.c
+++ b/src/liblzma/lzma/lzma2_decoder.c
@@ -16,7 +16,7 @@
#include "lzma_decoder.h"
-struct lzma_coder_s {
+typedef struct {
enum sequence {
SEQ_CONTROL,
SEQ_UNCOMPRESSED_1,
@@ -50,14 +50,16 @@ struct lzma_coder_s {
bool need_dictionary_reset;
lzma_options_lzma options;
-};
+} lzma_lzma2_coder;
static lzma_ret
-lzma2_decode(lzma_coder *restrict coder, lzma_dict *restrict dict,
+lzma2_decode(void *coder_ptr, lzma_dict *restrict dict,
const uint8_t *restrict in, size_t *restrict in_pos,
size_t in_size)
{
+ lzma_lzma2_coder *restrict coder = coder_ptr;
+
// With SEQ_LZMA it is possible that no new input is needed to do
// some progress. The rest of the sequences assume that there is
// at least one byte of input.
@@ -209,8 +211,10 @@ lzma2_decode(lzma_coder *restrict coder, lzma_dict *restrict dict,
static void
-lzma2_decoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lzma2_decoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
+ lzma_lzma2_coder *coder = coder_ptr;
+
assert(coder->lzma.end == NULL);
lzma_free(coder->lzma.coder, allocator);
@@ -224,25 +228,27 @@ static lzma_ret
lzma2_decoder_init(lzma_lz_decoder *lz, const lzma_allocator *allocator,
const void *opt, lzma_lz_options *lz_options)
{
- if (lz->coder == NULL) {
- lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
- if (lz->coder == NULL)
+ lzma_lzma2_coder *coder = lz->coder;
+ if (coder == NULL) {
+ coder = lzma_alloc(sizeof(lzma_lzma2_coder), allocator);
+ if (coder == NULL)
return LZMA_MEM_ERROR;
+ lz->coder = coder;
lz->code = &lzma2_decode;
lz->end = &lzma2_decoder_end;
- lz->coder->lzma = LZMA_LZ_DECODER_INIT;
+ coder->lzma = LZMA_LZ_DECODER_INIT;
}
const lzma_options_lzma *options = opt;
- lz->coder->sequence = SEQ_CONTROL;
- lz->coder->need_properties = true;
- lz->coder->need_dictionary_reset = options->preset_dict == NULL
+ coder->sequence = SEQ_CONTROL;
+ coder->need_properties = true;
+ coder->need_dictionary_reset = options->preset_dict == NULL
|| options->preset_dict_size == 0;
- return lzma_lzma_decoder_create(&lz->coder->lzma,
+ return lzma_lzma_decoder_create(&coder->lzma,
allocator, options, lz_options);
}
@@ -263,7 +269,7 @@ lzma_lzma2_decoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
extern uint64_t
lzma_lzma2_decoder_memusage(const void *options)
{
- return sizeof(lzma_coder)
+ return sizeof(lzma_lzma2_coder)
+ lzma_lzma_decoder_memusage_nocheck(options);
}
diff --git a/src/liblzma/lzma/lzma2_encoder.c b/src/liblzma/lzma/lzma2_encoder.c
index b6756bfc..63588ee3 100644
--- a/src/liblzma/lzma/lzma2_encoder.c
+++ b/src/liblzma/lzma/lzma2_encoder.c
@@ -17,7 +17,7 @@
#include "lzma2_encoder.h"
-struct lzma_coder_s {
+typedef struct {
enum {
SEQ_INIT,
SEQ_LZMA_ENCODE,
@@ -27,7 +27,7 @@ struct lzma_coder_s {
} sequence;
/// LZMA encoder
- lzma_coder *lzma;
+ void *lzma;
/// LZMA options currently in use.
lzma_options_lzma opt_cur;
@@ -48,11 +48,11 @@ struct lzma_coder_s {
/// Buffer to hold the chunk header and LZMA compressed data
uint8_t buf[LZMA2_HEADER_MAX + LZMA2_CHUNK_MAX];
-};
+} lzma_lzma2_coder;
static void
-lzma2_header_lzma(lzma_coder *coder)
+lzma2_header_lzma(lzma_lzma2_coder *coder)
{
assert(coder->uncompressed_size > 0);
assert(coder->uncompressed_size <= LZMA2_UNCOMPRESSED_MAX);
@@ -108,7 +108,7 @@ lzma2_header_lzma(lzma_coder *coder)
static void
-lzma2_header_uncompressed(lzma_coder *coder)
+lzma2_header_uncompressed(lzma_lzma2_coder *coder)
{
assert(coder->uncompressed_size > 0);
assert(coder->uncompressed_size <= LZMA2_CHUNK_MAX);
@@ -133,10 +133,12 @@ lzma2_header_uncompressed(lzma_coder *coder)
static lzma_ret
-lzma2_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma2_encode(void *coder_ptr, lzma_mf *restrict mf,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size)
{
+ lzma_lzma2_coder *restrict coder = coder_ptr;
+
while (*out_pos < out_size)
switch (coder->sequence) {
case SEQ_INIT:
@@ -262,8 +264,9 @@ lzma2_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
static void
-lzma2_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
+lzma2_encoder_end(void *coder_ptr, const lzma_allocator *allocator)
{
+ lzma_lzma2_coder *coder = coder_ptr;
lzma_free(coder->lzma, allocator);
lzma_free(coder, allocator);
return;
@@ -271,8 +274,10 @@ lzma2_encoder_end(lzma_coder *coder, const lzma_allocator *allocator)
static lzma_ret
-lzma2_encoder_options_update(lzma_coder *coder, const lzma_filter *filter)
+lzma2_encoder_options_update(void *coder_ptr, const lzma_filter *filter)
{
+ lzma_lzma2_coder *coder = coder_ptr;
+
// New options can be set only when there is no incomplete chunk.
// This is the case at the beginning of the raw stream and right
// after LZMA_SYNC_FLUSH.
@@ -310,30 +315,32 @@ lzma2_encoder_init(lzma_lz_encoder *lz, const lzma_allocator *allocator,
if (options == NULL)
return LZMA_PROG_ERROR;
- if (lz->coder == NULL) {
- lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
- if (lz->coder == NULL)
+ lzma_lzma2_coder *coder = lz->coder;
+ if (coder == NULL) {
+ coder = lzma_alloc(sizeof(lzma_lzma2_coder), allocator);
+ if (coder == NULL)
return LZMA_MEM_ERROR;
+ lz->coder = coder;
lz->code = &lzma2_encode;
lz->end = &lzma2_encoder_end;
lz->options_update = &lzma2_encoder_options_update;
- lz->coder->lzma = NULL;
+ coder->lzma = NULL;
}
- lz->coder->opt_cur = *(const lzma_options_lzma *)(options);
+ coder->opt_cur = *(const lzma_options_lzma *)(options);
- lz->coder->sequence = SEQ_INIT;
- lz->coder->need_properties = true;
- lz->coder->need_state_reset = false;
- lz->coder->need_dictionary_reset
- = lz->coder->opt_cur.preset_dict == NULL
- || lz->coder->opt_cur.preset_dict_size == 0;
+ coder->sequence = SEQ_INIT;
+ coder->need_properties = true;
+ coder->need_state_reset = false;
+ coder->need_dictionary_reset
+ = coder->opt_cur.preset_dict == NULL
+ || coder->opt_cur.preset_dict_size == 0;
// Initialize LZMA encoder
- return_if_error(lzma_lzma_encoder_create(&lz->coder->lzma, allocator,
- &lz->coder->opt_cur, lz_options));
+ return_if_error(lzma_lzma_encoder_create(&coder->lzma, allocator,
+ &coder->opt_cur, lz_options));
// Make sure that we will always have enough history available in
// case we need to use uncompressed chunks. They are used when the
@@ -364,7 +371,7 @@ lzma_lzma2_encoder_memusage(const void *options)
if (lzma_mem == UINT64_MAX)
return UINT64_MAX;
- return sizeof(lzma_coder) + lzma_mem;
+ return sizeof(lzma_lzma2_coder) + lzma_mem;
}
diff --git a/src/liblzma/lzma/lzma_decoder.c b/src/liblzma/lzma/lzma_decoder.c
index b8f93170..eedc0733 100644
--- a/src/liblzma/lzma/lzma_decoder.c
+++ b/src/liblzma/lzma/lzma_decoder.c
@@ -161,7 +161,7 @@ typedef struct {
} lzma_length_decoder;
-struct lzma_coder_s {
+typedef struct {
///////////////////
// Probabilities //
///////////////////
@@ -277,14 +277,16 @@ struct lzma_coder_s {
/// If decoding a literal: match byte.
/// If decoding a match: length of the match.
uint32_t len;
-};
+} lzma_lzma1_decoder;
static lzma_ret
-lzma_decode(lzma_coder *restrict coder, lzma_dict *restrict dictptr,
+lzma_decode(void *coder_ptr, lzma_dict *restrict dictptr,
const uint8_t *restrict in,
size_t *restrict in_pos, size_t in_size)
{
+ lzma_lzma1_decoder *restrict coder = coder_ptr;
+
////////////////////
// Initialization //
////////////////////
@@ -840,23 +842,17 @@ out:
static void
-lzma_decoder_uncompressed(lzma_coder *coder, lzma_vli uncompressed_size)
+lzma_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
{
+ lzma_lzma1_decoder *coder = coder_ptr;
coder->uncompressed_size = uncompressed_size;
}
-/*
-extern void
-lzma_lzma_decoder_uncompressed(void *coder_ptr, lzma_vli uncompressed_size)
-{
- // This is hack.
- (*(lzma_coder **)(coder))->uncompressed_size = uncompressed_size;
-}
-*/
static void
-lzma_decoder_reset(lzma_coder *coder, const void *opt)
+lzma_decoder_reset(void *coder_ptr, const void *opt)
{
+ lzma_lzma1_decoder *coder = coder_ptr;
const lzma_options_lzma *options = opt;
// NOTE: We assume that lc/lp/pb are valid since they were
@@ -941,7 +937,7 @@ lzma_lzma_decoder_create(lzma_lz_decoder *lz, const lzma_allocator *allocator,
const void *opt, lzma_lz_options *lz_options)
{
if (lz->coder == NULL) {
- lz->coder = lzma_alloc(sizeof(lzma_coder), allocator);
+ lz->coder = lzma_alloc(sizeof(lzma_lzma1_decoder), allocator);
if (lz->coder == NULL)
return LZMA_MEM_ERROR;
@@ -1014,7 +1010,8 @@ extern uint64_t
lzma_lzma_decoder_memusage_nocheck(const void *options)
{
const lzma_options_lzma *const opt = options;
- return sizeof(lzma_coder) + lzma_lz_decoder_memusage(opt->dict_size);
+ return sizeof(lzma_lzma1_decoder)
+ + lzma_lz_decoder_memusage(opt->dict_size);
}
diff --git a/src/liblzma/lzma/lzma_encoder.c b/src/liblzma/lzma/lzma_encoder.c
index 4c5f99c3..ba9ce698 100644
--- a/src/liblzma/lzma/lzma_encoder.c
+++ b/src/liblzma/lzma/lzma_encoder.c
@@ -43,7 +43,7 @@ literal_matched(lzma_range_encoder *rc, probability *subcoder,
static inline void
-literal(lzma_coder *coder, lzma_mf *mf, uint32_t position)
+literal(lzma_lzma1_encoder *coder, lzma_mf *mf, uint32_t position)
{
// Locate the literal byte to be encoded and the subcoder.
const uint8_t cur_byte = mf->buffer[
@@ -140,7 +140,7 @@ length(lzma_range_encoder *rc, lzma_length_encoder *lc,
///////////
static inline void
-match(lzma_coder *coder, const uint32_t pos_state,
+match(lzma_lzma1_encoder *coder, const uint32_t pos_state,
const uint32_t distance, const uint32_t len)
{
update_match(coder->state);
@@ -187,7 +187,7 @@ match(lzma_coder *coder, const uint32_t pos_state,
////////////////////
static inline void
-rep_match(lzma_coder *coder, const uint32_t pos_state,
+rep_match(lzma_lzma1_encoder *coder, const uint32_t pos_state,
const uint32_t rep, const uint32_t len)
{
if (rep == 0) {
@@ -231,7 +231,7 @@ rep_match(lzma_coder *coder, const uint32_t pos_state,
//////////
static void
-encode_symbol(lzma_coder *coder, lzma_mf *mf,
+encode_symbol(lzma_lzma1_encoder *coder, lzma_mf *mf,
uint32_t back, uint32_t len, uint32_t position)
{
const uint32_t pos_state = position & coder->pos_mask;
@@ -265,7 +265,7 @@ encode_symbol(lzma_coder *coder, lzma_mf *mf,
static bool
-encode_init(lzma_coder *coder, lzma_mf *mf)
+encode_init(lzma_lzma1_encoder *coder, lzma_mf *mf)
{
assert(mf_position(mf) == 0);
@@ -293,7 +293,7 @@ encode_init(lzma_coder *coder, lzma_mf *mf)
static void
-encode_eopm(lzma_coder *coder, uint32_t position)
+encode_eopm(lzma_lzma1_encoder *coder, uint32_t position)
{
const uint32_t pos_state = position & coder->pos_mask;
rc_bit(&coder->rc, &coder->is_match[coder->state][pos_state], 1);
@@ -309,7 +309,7 @@ encode_eopm(lzma_coder *coder, uint32_t position)
extern lzma_ret
-lzma_lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_encode(lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size, uint32_t limit)
{
@@ -402,7 +402,7 @@ lzma_lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
static lzma_ret
-lzma_encode(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_encode(void *coder, lzma_mf *restrict mf,
uint8_t *restrict out, size_t *restrict out_pos,
size_t out_size)
{
@@ -473,7 +473,8 @@ length_encoder_reset(lzma_length_encoder *lencoder,
extern lzma_ret
-lzma_lzma_encoder_reset(lzma_coder *coder, const lzma_options_lzma *options)
+lzma_lzma_encoder_reset(lzma_lzma1_encoder *coder,
+ const lzma_options_lzma *options)
{
if (!is_options_valid(options))
return LZMA_OPTIONS_ERROR;
@@ -545,18 +546,18 @@ lzma_lzma_encoder_reset(lzma_coder *coder, const lzma_options_lzma *options)
extern lzma_ret
-lzma_lzma_encoder_create(lzma_coder **coder_ptr,
+lzma_lzma_encoder_create(void **coder_ptr,
const lzma_allocator *allocator,
const lzma_options_lzma *options, lzma_lz_options *lz_options)
{
- // Allocate lzma_coder if it wasn't already allocated.
+ // Allocate lzma_lzma1_encoder if it wasn't already allocated.
if (*coder_ptr == NULL) {
- *coder_ptr = lzma_alloc(sizeof(lzma_coder), allocator);
+ *coder_ptr = lzma_alloc(sizeof(lzma_lzma1_encoder), allocator);
if (*coder_ptr == NULL)
return LZMA_MEM_ERROR;
}
- lzma_coder *coder = *coder_ptr;
+ lzma_lzma1_encoder *coder = *coder_ptr;
// Set compression mode. We haven't validates the options yet,
// but it's OK here, since nothing bad happens with invalid
@@ -636,7 +637,7 @@ lzma_lzma_encoder_memusage(const void *options)
if (lz_memusage == UINT64_MAX)
return UINT64_MAX;
- return (uint64_t)(sizeof(lzma_coder)) + lz_memusage;
+ return (uint64_t)(sizeof(lzma_lzma1_encoder)) + lz_memusage;
}
diff --git a/src/liblzma/lzma/lzma_encoder.h b/src/liblzma/lzma/lzma_encoder.h
index cc9cc2f2..6cfdf228 100644
--- a/src/liblzma/lzma/lzma_encoder.h
+++ b/src/liblzma/lzma/lzma_encoder.h
@@ -17,6 +17,9 @@
#include "common.h"
+typedef struct lzma_lzma1_encoder_s lzma_lzma1_encoder;
+
+
extern lzma_ret lzma_lzma_encoder_init(lzma_next_coder *next,
const lzma_allocator *allocator,
const lzma_filter_info *filters);
@@ -36,16 +39,16 @@ extern bool lzma_lzma_lclppb_encode(
/// Initializes raw LZMA encoder; this is used by LZMA2.
extern lzma_ret lzma_lzma_encoder_create(
- lzma_coder **coder_ptr, const lzma_allocator *allocator,
+ void **coder_ptr, const lzma_allocator *allocator,
const lzma_options_lzma *options, lzma_lz_options *lz_options);
/// Resets an already initialized LZMA encoder; this is used by LZMA2.
extern lzma_ret lzma_lzma_encoder_reset(
- lzma_coder *coder, const lzma_options_lzma *options);
+ lzma_lzma1_encoder *coder, const lzma_options_lzma *options);
-extern lzma_ret lzma_lzma_encode(lzma_coder *restrict coder,
+extern lzma_ret lzma_lzma_encode(lzma_lzma1_encoder *restrict coder,
lzma_mf *restrict mf, uint8_t *restrict out,
size_t *restrict out_pos, size_t out_size,
uint32_t read_limit);
diff --git a/src/liblzma/lzma/lzma_encoder_optimum_fast.c b/src/liblzma/lzma/lzma_encoder_optimum_fast.c
index 9b30347c..6c53d2bd 100644
--- a/src/liblzma/lzma/lzma_encoder_optimum_fast.c
+++ b/src/liblzma/lzma/lzma_encoder_optimum_fast.c
@@ -18,7 +18,8 @@
extern void
-lzma_lzma_optimum_fast(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_optimum_fast(lzma_lzma1_encoder *restrict coder,
+ lzma_mf *restrict mf,
uint32_t *restrict back_res, uint32_t *restrict len_res)
{
const uint32_t nice_len = mf->nice_len;
diff --git a/src/liblzma/lzma/lzma_encoder_optimum_normal.c b/src/liblzma/lzma/lzma_encoder_optimum_normal.c
index a3605798..59f77343 100644
--- a/src/liblzma/lzma/lzma_encoder_optimum_normal.c
+++ b/src/liblzma/lzma/lzma_encoder_optimum_normal.c
@@ -19,7 +19,7 @@
////////////
static uint32_t
-get_literal_price(const lzma_coder *const coder, const uint32_t pos,
+get_literal_price(const lzma_lzma1_encoder *const coder, const uint32_t pos,
const uint32_t prev_byte, const bool match_mode,
uint32_t match_byte, uint32_t symbol)
{
@@ -65,7 +65,7 @@ get_len_price(const lzma_length_encoder *const lencoder,
static inline uint32_t
-get_short_rep_price(const lzma_coder *const coder,
+get_short_rep_price(const lzma_lzma1_encoder *const coder,
const lzma_lzma_state state, const uint32_t pos_state)
{
return rc_bit_0_price(coder->is_rep0[state])
@@ -74,7 +74,7 @@ get_short_rep_price(const lzma_coder *const coder,
static inline uint32_t
-get_pure_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
+get_pure_rep_price(const lzma_lzma1_encoder *const coder, const uint32_t rep_index,
const lzma_lzma_state state, uint32_t pos_state)
{
uint32_t price;
@@ -99,7 +99,7 @@ get_pure_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
static inline uint32_t
-get_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
+get_rep_price(const lzma_lzma1_encoder *const coder, const uint32_t rep_index,
const uint32_t len, const lzma_lzma_state state,
const uint32_t pos_state)
{
@@ -109,7 +109,7 @@ get_rep_price(const lzma_coder *const coder, const uint32_t rep_index,
static inline uint32_t
-get_dist_len_price(const lzma_coder *const coder, const uint32_t dist,
+get_dist_len_price(const lzma_lzma1_encoder *const coder, const uint32_t dist,
const uint32_t len, const uint32_t pos_state)
{
const uint32_t dist_state = get_dist_state(len);
@@ -130,7 +130,7 @@ get_dist_len_price(const lzma_coder *const coder, const uint32_t dist,
static void
-fill_dist_prices(lzma_coder *coder)
+fill_dist_prices(lzma_lzma1_encoder *coder)
{
for (uint32_t dist_state = 0; dist_state < DIST_STATES; ++dist_state) {
@@ -185,7 +185,7 @@ fill_dist_prices(lzma_coder *coder)
static void
-fill_align_prices(lzma_coder *coder)
+fill_align_prices(lzma_lzma1_encoder *coder)
{
for (uint32_t i = 0; i < ALIGN_SIZE; ++i)
coder->align_prices[i] = rc_bittree_reverse_price(
@@ -221,7 +221,7 @@ make_short_rep(lzma_optimal *optimal)
static void
-backward(lzma_coder *restrict coder, uint32_t *restrict len_res,
+backward(lzma_lzma1_encoder *restrict coder, uint32_t *restrict len_res,
uint32_t *restrict back_res, uint32_t cur)
{
coder->opts_end_index = cur;
@@ -269,7 +269,7 @@ backward(lzma_coder *restrict coder, uint32_t *restrict len_res,
//////////
static inline uint32_t
-helper1(lzma_coder *restrict coder, lzma_mf *restrict mf,
+helper1(lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
uint32_t *restrict back_res, uint32_t *restrict len_res,
uint32_t position)
{
@@ -441,7 +441,7 @@ helper1(lzma_coder *restrict coder, lzma_mf *restrict mf,
static inline uint32_t
-helper2(lzma_coder *coder, uint32_t *reps, const uint8_t *buf,
+helper2(lzma_lzma1_encoder *coder, uint32_t *reps, const uint8_t *buf,
uint32_t len_end, uint32_t position, const uint32_t cur,
const uint32_t nice_len, const uint32_t buf_avail_full)
{
@@ -797,7 +797,8 @@ helper2(lzma_coder *coder, uint32_t *reps, const uint8_t *buf,
extern void
-lzma_lzma_optimum_normal(lzma_coder *restrict coder, lzma_mf *restrict mf,
+lzma_lzma_optimum_normal(lzma_lzma1_encoder *restrict coder,
+ lzma_mf *restrict mf,
uint32_t *restrict back_res, uint32_t *restrict len_res,
uint32_t position)
{
diff --git a/src/liblzma/lzma/lzma_encoder_private.h b/src/liblzma/lzma/lzma_encoder_private.h
index 2f62d6cb..a2da969f 100644
--- a/src/liblzma/lzma/lzma_encoder_private.h
+++ b/src/liblzma/lzma/lzma_encoder_private.h
@@ -69,7 +69,7 @@ typedef struct {
} lzma_optimal;
-struct lzma_coder_s {
+struct lzma_lzma1_encoder_s {
/// Range encoder
lzma_range_encoder rc;
@@ -138,10 +138,10 @@ struct lzma_coder_s {
extern void lzma_lzma_optimum_fast(
- lzma_coder *restrict coder, lzma_mf *restrict mf,
+ lzma_lzma1_encoder *restrict coder, lzma_mf *restrict mf,
uint32_t *restrict back_res, uint32_t *restrict len_res);
-extern void lzma_lzma_optimum_normal(lzma_coder *restrict coder,
+extern void lzma_lzma_optimum_normal(lzma_lzma1_encoder *restrict coder,
lzma_mf *restrict mf, uint32_t *restrict back_res,
uint32_t *restrict len_res, uint32_t position);