aaru-dps/Aaru.Compression.Native
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Call lzo_init before calling any other lzo function.

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Natalia Portillo
2026-02-08 20:10:29 +00:00
parent 29d57b804e
commit ba0f094a20
1 changed files with 57 additions and 56 deletions
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113
library.c
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@@ -174,17 +174,16 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzma_encode_buffer(uint8_t * dst_buffer,
typedef struct
{
ISeqInStream vt;
const Byte *data;
size_t size;
size_t pos;
const Byte * data;
size_t size;
size_t pos;
} CBufferInStream;
static SRes BufferInStream_Read(ISeqInStreamPtr pp, void *buf, size_t *size)
{
CBufferInStream *p = Z7_CONTAINER_FROM_VTBL(pp, CBufferInStream, vt);
size_t remaining = p->size - p->pos;
if (*size > remaining)
*size = remaining;
CBufferInStream *p = Z7_CONTAINER_FROM_VTBL(pp, CBufferInStream, vt);
size_t remaining = p->size - p->pos;
if(*size > remaining) *size = remaining;
memcpy(buf, p->data + p->pos, *size);
p->pos += *size;
return SZ_OK;
@@ -193,17 +192,16 @@ static SRes BufferInStream_Read(ISeqInStreamPtr pp, void *buf, size_t *size)
typedef struct
{
ISeqOutStream vt;
Byte *data;
size_t size;
size_t pos;
Byte * data;
size_t size;
size_t pos;
} CBufferOutStream;
static size_t BufferOutStream_Write(ISeqOutStreamPtr pp, const void *buf, size_t size)
{
CBufferOutStream *p = Z7_CONTAINER_FROM_VTBL(pp, CBufferOutStream, vt);
size_t remaining = p->size - p->pos;
if (size > remaining)
size = remaining;
CBufferOutStream *p = Z7_CONTAINER_FROM_VTBL(pp, CBufferOutStream, vt);
size_t remaining = p->size - p->pos;
if(size > remaining) size = remaining;
memcpy(p->data + p->pos, buf, size);
p->pos += size;
return size;
@@ -214,17 +212,16 @@ AARU_EXPORT int32_t AARU_CALL AARU_xz_decode_buffer(uint8_t * dst_buffer,
const uint8_t *src_buffer,
size_t src_size)
{
CXzUnpacker state;
SizeT destLen = (SizeT)*dst_size;
SizeT srcLen = (SizeT)src_size;
CXzUnpacker state;
SizeT destLen = (SizeT)*dst_size;
SizeT srcLen = (SizeT)src_size;
ECoderStatus status;
SRes res;
SRes res;
XzUnpacker_Construct(&state, &g_Alloc);
XzUnpacker_Init(&state);
res = XzUnpacker_CodeFull(&state, dst_buffer, &destLen, src_buffer, &srcLen,
CODER_FINISH_END, &status);
res = XzUnpacker_CodeFull(&state, dst_buffer, &destLen, src_buffer, &srcLen, CODER_FINISH_END, &status);
*dst_size = destLen;
@@ -240,24 +237,24 @@ AARU_EXPORT int32_t AARU_CALL AARU_xz_encode_buffer(uint8_t * dst_buffer,
uint32_t preset,
uint32_t checkType)
{
CXzProps props;
CBufferInStream inStream;
CXzProps props;
CBufferInStream inStream;
CBufferOutStream outStream;
SRes res;
SRes res;
XzProps_Init(&props);
props.lzma2Props.lzmaProps.level = preset > 9 ? 9 : preset;
props.checkId = checkType > XZ_CHECK_SHA256 ? XZ_CHECK_CRC64 : checkType;
props.checkId = checkType > XZ_CHECK_SHA256 ? XZ_CHECK_CRC64 : checkType;
inStream.vt.Read = BufferInStream_Read;
inStream.data = src_buffer;
inStream.size = src_size;
inStream.pos = 0;
inStream.data = src_buffer;
inStream.size = src_size;
inStream.pos = 0;
outStream.vt.Write = BufferOutStream_Write;
outStream.data = dst_buffer;
outStream.size = *dst_size;
outStream.pos = 0;
outStream.data = dst_buffer;
outStream.size = *dst_size;
outStream.pos = 0;
res = Xz_Encode(&outStream.vt, &inStream.vt, &props, NULL);
@@ -290,7 +287,9 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_decode_buffer(uint8_t * dst_buffer,
int32_t algorithm)
{
lzo_uint out_len = *dst_size;
int result;
int result = lzo_init();
if(result != LZO_E_OK) return result; // Initialization failed
switch(algorithm)
{
@@ -339,7 +338,6 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_encode_buffer(uint8_t * dst_buffer,
lzo_uint out_len = *dst_size;
void * wrkmem = NULL;
size_t wrkmem_size = 0;
int result;
// Determine work memory size based on algorithm and compression level
switch(algorithm)
@@ -387,6 +385,9 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_encode_buffer(uint8_t * dst_buffer,
return -1; // Invalid algorithm
}
int result = lzo_init();
if(result != LZO_E_OK) return result; // Initialization failed
wrkmem = malloc(wrkmem_size);
if(wrkmem == NULL) return -1;
@@ -394,20 +395,20 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_encode_buffer(uint8_t * dst_buffer,
switch(algorithm)
{
case AARU_LZO_ALGORITHM_LZO1:
if(compression_level == 99)
result = lzo1_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 99) result = lzo1_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len,
wrkmem);
else result = lzo1_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
break;
case AARU_LZO_ALGORITHM_LZO1A:
if(compression_level == 99)
result = lzo1a_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 99) result = lzo1a_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len,
wrkmem);
else result = lzo1a_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
break;
case AARU_LZO_ALGORITHM_LZO1B:
if(compression_level == 99)
result = lzo1b_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 999)
result = lzo1b_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 99) result = lzo1b_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len,
wrkmem);
else if(compression_level == 999) result = lzo1b_999_compress(
src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level >= 1 && compression_level <= 9)
result = lzo1b_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem,
compression_level);
@@ -416,10 +417,10 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_encode_buffer(uint8_t * dst_buffer,
LZO1B_DEFAULT_COMPRESSION);
break;
case AARU_LZO_ALGORITHM_LZO1C:
if(compression_level == 99)
result = lzo1c_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 999)
result = lzo1c_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 99) result = lzo1c_99_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len,
wrkmem);
else if(compression_level == 999) result = lzo1c_999_compress(
src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level >= 1 && compression_level <= 9)
result = lzo1c_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem,
compression_level);
@@ -428,24 +429,24 @@ AARU_EXPORT int32_t AARU_CALL AARU_lzo_encode_buffer(uint8_t * dst_buffer,
LZO1C_DEFAULT_COMPRESSION);
break;
case AARU_LZO_ALGORITHM_LZO1F:
if(compression_level == 999)
result = lzo1f_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 999) result = lzo1f_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer,
&out_len, wrkmem);
else result = lzo1f_1_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
break;
case AARU_LZO_ALGORITHM_LZO1X:
if(compression_level == 11)
result = lzo1x_1_11_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 12)
result = lzo1x_1_12_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 15)
result = lzo1x_1_15_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 999)
result = lzo1x_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 11) result = lzo1x_1_11_compress(src_buffer, (lzo_uint)src_size, dst_buffer,
&out_len, wrkmem);
else if(compression_level == 12) result = lzo1x_1_12_compress(
src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 15) result = lzo1x_1_15_compress(
src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else if(compression_level == 999) result = lzo1x_999_compress(
src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
else result = lzo1x_1_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
break;
case AARU_LZO_ALGORITHM_LZO1Y:
if(compression_level == 999)
result = lzo1y_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
if(compression_level == 999) result = lzo1y_999_compress(src_buffer, (lzo_uint)src_size, dst_buffer,
&out_len, wrkmem);
else result = lzo1y_1_compress(src_buffer, (lzo_uint)src_size, dst_buffer, &out_len, wrkmem);
break;
case AARU_LZO_ALGORITHM_LZO1Z: