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(deps/7zip) Cleanups

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This commit is contained in:
twinaphex 2020-06-28 20:01:05 +02:00
parent 54b371b767
commit e120f76f87
2 changed files with 158 additions and 131 deletions
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265
deps/7zip/7zIn.c vendored
View File

@ -15,8 +15,30 @@ uint8_t k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
#define NUM_FOLDER_CODERS_MAX 32
#define NUM_CODER_STREAMS_MAX 32
#ifdef MY_CPU_LE_UNALIGN
#define GetUi16(p) (*(const uint16_t *)(p))
#define GetUi32(p) (*(const uint32_t *)(p))
#define GetUi64(p) (*(const uint64_t *)(p))
#else
#define GetUi16(p) (((const uint8_t *)(p))[0] | ((uint16_t)((const uint8_t *)(p))[1] << 8))
#define GetUi32(p) ( \
((const uint8_t *)(p))[0] | \
((uint32_t)((const uint8_t *)(p))[1] << 8) | \
((uint32_t)((const uint8_t *)(p))[2] << 16) | \
((uint32_t)((const uint8_t *)(p))[3] << 24))
#define GetUi64(p) (GetUi32(p) | ((uint64_t)GetUi32(((const uint8_t *)(p)) + 4) << 32))
#endif
typedef struct _CSzState
{
uint8_t *Data;
size_t Size;
}CSzData;
/* Forward declarations */
void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc);
int SzFolder_FindBindPairForOutStream(CSzFolder *p, uint32_t outStreamIndex);
int SzFolder_FindBindPairForOutStream(CSzFolder *p,
uint32_t outStreamIndex);
void SzCoderInfo_Init(CSzCoderInfo *p)
{
@ -31,15 +53,15 @@ void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc)
void SzFolder_Init(CSzFolder *p)
{
p->Coders = 0;
p->BindPairs = 0;
p->PackStreams = 0;
p->UnpackSizes = 0;
p->NumCoders = 0;
p->NumBindPairs = 0;
p->NumPackStreams = 0;
p->Coders = 0;
p->BindPairs = 0;
p->PackStreams = 0;
p->UnpackSizes = 0;
p->NumCoders = 0;
p->NumBindPairs = 0;
p->NumPackStreams = 0;
p->UnpackCRCDefined = 0;
p->UnpackCRC = 0;
p->UnpackCRC = 0;
p->NumUnpackStreams = 0;
}
@ -58,8 +80,8 @@ void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc)
uint32_t SzFolder_GetNumOutStreams(CSzFolder *p)
{
uint32_t result = 0;
uint32_t i;
uint32_t result = 0;
for (i = 0; i < p->NumCoders; i++)
result += p->Coders[i].NumOutStreams;
return result;
@ -92,29 +114,28 @@ uint64_t SzFolder_GetUnpackSize(CSzFolder *p)
for (i--; i >= 0; i--)
if (SzFolder_FindBindPairForOutStream(p, i) < 0)
return p->UnpackSizes[i];
/* throw 1; */
return 0;
}
void SzFile_Init(CSzFileItem *p)
{
p->HasStream = 1;
p->IsDir = 0;
p->IsAnti = 0;
p->CrcDefined = 0;
p->HasStream = 1;
p->IsDir = 0;
p->IsAnti = 0;
p->CrcDefined = 0;
p->MTimeDefined = 0;
}
void SzAr_Init(CSzAr *p)
{
p->PackSizes = 0;
p->PackSizes = 0;
p->PackCRCsDefined = 0;
p->PackCRCs = 0;
p->Folders = 0;
p->Files = 0;
p->NumPackStreams = 0;
p->NumFolders = 0;
p->NumFiles = 0;
p->PackCRCs = 0;
p->Folders = 0;
p->Files = 0;
p->NumPackStreams = 0;
p->NumFolders = 0;
p->NumFiles = 0;
}
void SzAr_Free(CSzAr *p, ISzAlloc *alloc)
@ -137,10 +158,10 @@ void SzArEx_Init(CSzArEx *p)
{
SzAr_Init(&p->db);
p->FolderStartPackStreamIndex = 0;
p->PackStreamStartPositions = 0;
p->FolderStartFileIndex = 0;
p->FileIndexToFolderIndexMap = 0;
p->FileNameOffsets = 0;
p->PackStreamStartPositions = 0;
p->FolderStartFileIndex = 0;
p->FileIndexToFolderIndexMap = 0;
p->FileNameOffsets = 0;
Buf_Init(&p->FileNames);
}
@ -158,34 +179,34 @@ void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc)
SzArEx_Init(p);
}
/*
uint64_t GetFolderPackStreamSize(int folderIndex, int streamIndex) const
{
#if 0
uint64_t GetFolderPackStreamSize(int folderIndex, int streamIndex)
{
return PackSizes[FolderStartPackStreamIndex[folderIndex] + streamIndex];
}
}
uint64_t GetFilePackSize(int fileIndex) const
{
uint64_t GetFilePackSize(int fileIndex)
{
int folderIndex = FileIndexToFolderIndexMap[fileIndex];
if (folderIndex >= 0)
{
const CSzFolder &folderInfo = Folders[folderIndex];
if (FolderStartFileIndex[folderIndex] == fileIndex)
return GetFolderFullPackSize(folderIndex);
const CSzFolder &folderInfo = Folders[folderIndex];
if (FolderStartFileIndex[folderIndex] == fileIndex)
return GetFolderFullPackSize(folderIndex);
}
return 0;
}
*/
}
#endif
#define MY_ALLOC(T, p, size, alloc) { if ((size) == 0) p = 0; else \
if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == 0) return SZ_ERROR_MEM; }
static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc)
{
uint32_t startPos = 0;
uint64_t startPosSize = 0;
uint32_t i;
uint32_t folderIndex = 0;
uint32_t startPos = 0;
uint64_t startPosSize = 0;
uint32_t folderIndex = 0;
uint32_t indexInFolder = 0;
MY_ALLOC(uint32_t, p->FolderStartPackStreamIndex, p->db.NumFolders, alloc);
for (i = 0; i < p->db.NumFolders; i++)
@ -208,7 +229,8 @@ static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc)
for (i = 0; i < p->db.NumFiles; i++)
{
CSzFileItem *file = p->db.Files + i;
int emptyStream = !file->HasStream;
int emptyStream = !file->HasStream;
if (emptyStream && indexInFolder == 0)
{
p->FileIndexToFolderIndexMap[i] = (uint32_t)-1;
@ -230,10 +252,14 @@ static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc)
folderIndex++;
}
}
p->FileIndexToFolderIndexMap[i] = folderIndex;
if (emptyStream)
continue;
indexInFolder++;
if (indexInFolder >= p->db.Folders[folderIndex].NumUnpackStreams)
{
folderIndex++;
@ -244,18 +270,21 @@ static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc)
}
uint64_t SzArEx_GetFolderStreamPos(const CSzArEx *p, uint32_t folderIndex, uint32_t indexInFolder)
uint64_t SzArEx_GetFolderStreamPos(
const CSzArEx *p, uint32_t folderIndex, uint32_t indexInFolder)
{
return p->dataPos +
p->PackStreamStartPositions[p->FolderStartPackStreamIndex[folderIndex] + indexInFolder];
}
int SzArEx_GetFolderFullPackSize(const CSzArEx *p, uint32_t folderIndex, uint64_t *resSize)
int SzArEx_GetFolderFullPackSize(
const CSzArEx *p, uint32_t folderIndex, uint64_t *resSize)
{
uint32_t packStreamIndex = p->FolderStartPackStreamIndex[folderIndex];
CSzFolder *folder = p->db.Folders + folderIndex;
uint64_t size = 0;
uint32_t i;
uint64_t size = 0;
uint32_t packStreamIndex = p->FolderStartPackStreamIndex[folderIndex];
CSzFolder *folder = p->db.Folders + folderIndex;
for (i = 0; i < folder->NumPackStreams; i++)
{
uint64_t t = size + p->db.PackSizes[packStreamIndex + i];
@ -277,12 +306,6 @@ static int TestSignatureCandidate(uint8_t *testuint8_ts)
return 1;
}
typedef struct _CSzState
{
uint8_t *Data;
size_t Size;
}CSzData;
static SRes SzReaduint8_t(CSzData *sd, uint8_t *b)
{
if (sd->Size == 0)
@ -317,11 +340,14 @@ static SRes SzReaduint32_t(CSzData *sd, uint32_t *value)
static SRes SzReadNumber(CSzData *sd, uint64_t *value)
{
int i;
uint8_t firstuint8_t;
uint8_t mask = 0x80;
int i;
RINOK(SzReaduint8_t(sd, &firstuint8_t));
*value = 0;
for (i = 0; i < 8; i++)
{
uint8_t b;
@ -398,11 +424,12 @@ static SRes SzWaitAttribute(CSzData *sd, uint64_t attribute)
}
}
static SRes SzReadBoolVector(CSzData *sd, size_t numItems, uint8_t **v, ISzAlloc *alloc)
static SRes SzReadBoolVector(
CSzData *sd, size_t numItems, uint8_t **v, ISzAlloc *alloc)
{
uint8_t b = 0;
uint8_t mask = 0;
size_t i;
uint8_t b = 0;
uint8_t mask = 0;
MY_ALLOC(uint8_t, *v, numItems, alloc);
for (i = 0; i < numItems; i++)
{
@ -877,20 +904,24 @@ static SRes SzReadStreamsInfo(
}
}
size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, uint16_t *dest)
size_t SzArEx_GetFileNameUtf16(const CSzArEx *p,
size_t fileIndex, uint16_t *dest)
{
size_t len = p->FileNameOffsets[fileIndex + 1] - p->FileNameOffsets[fileIndex];
size_t len = p->FileNameOffsets[fileIndex + 1] -
p->FileNameOffsets[fileIndex];
if (dest != 0)
{
size_t i;
const uint8_t *src = p->FileNames.data + (p->FileNameOffsets[fileIndex] * 2);
const uint8_t *src = p->FileNames.data +
(p->FileNameOffsets[fileIndex] * 2);
for (i = 0; i < len; i++)
dest[i] = GetUi16(src + i * 2);
}
return len;
}
static SRes SzReadFileNames(const uint8_t *p, size_t size, uint32_t numFiles, size_t *sizes)
static SRes SzReadFileNames(const uint8_t *p,
size_t size, uint32_t numFiles, size_t *sizes)
{
uint32_t i;
size_t pos = 0;
@ -923,12 +954,12 @@ static SRes SzReadHeader2(
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
{
uint32_t i;
uint64_t type;
uint32_t numUnpackStreams = 0;
uint32_t numFiles = 0;
CSzFileItem *files = 0;
uint32_t numEmptyStreams = 0;
uint32_t i;
uint32_t numFiles = 0;
CSzFileItem *files = 0;
uint32_t numEmptyStreams = 0;
RINOK(SzReadID(sd, &type));
@ -970,11 +1001,15 @@ static SRes SzReadHeader2(
{
uint64_t size;
RINOK(SzReadID(sd, &type));
if (type == k7zIdEnd)
break;
RINOK(SzReadNumber(sd, &size));
if (size > sd->Size)
return SZ_ERROR_ARCHIVE;
if ((uint64_t)(int)type != type)
{
RINOK(SzSkeepDataSize(sd, size));
@ -1017,10 +1052,10 @@ static SRes SzReadHeader2(
RINOK(SzReadSwitch(sd));
for (i = 0; i < numFiles; i++)
{
CSzFileItem *f = &files[i];
uint8_t defined = (*lwtVector)[i];
CSzFileItem *f = &files[i];
uint8_t defined = (*lwtVector)[i];
f->AttribDefined = defined;
f->Attrib = 0;
f->Attrib = 0;
if (defined)
{
RINOK(SzReaduint32_t(sd, &f->Attrib));
@ -1032,14 +1067,15 @@ static SRes SzReadHeader2(
}
case k7zIdMTime:
{
RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp));
RINOK(SzReadBoolVector2(sd,
numFiles, lwtVector, allocTemp));
RINOK(SzReadSwitch(sd));
for (i = 0; i < numFiles; i++)
{
CSzFileItem *f = &files[i];
CSzFileItem *f = &files[i];
uint8_t defined = (*lwtVector)[i];
f->MTimeDefined = defined;
f->MTime.Low = f->MTime.High = 0;
f->MTime.Low = f->MTime.High = 0;
if (defined)
{
RINOK(SzReaduint32_t(sd, &f->MTime.Low));
@ -1059,20 +1095,22 @@ static SRes SzReadHeader2(
{
uint32_t emptyFileIndex = 0;
uint32_t sizeIndex = 0;
uint32_t sizeIndex = 0;
for (i = 0; i < numFiles; i++)
{
CSzFileItem *file = files + i;
file->IsAnti = 0;
CSzFileItem *file = files + i;
file->IsAnti = 0;
if (*emptyStreamVector == 0)
file->HasStream = 1;
file->HasStream = 1;
else
file->HasStream = (uint8_t)((*emptyStreamVector)[i] ? 0 : 1);
file->HasStream = (uint8_t)((*emptyStreamVector)[i] ? 0 : 1);
if (file->HasStream)
{
file->IsDir = 0;
file->Size = (*unpackSizes)[sizeIndex];
file->Crc = (*digests)[sizeIndex];
file->IsDir = 0;
file->Size = (*unpackSizes)[sizeIndex];
file->Crc = (*digests)[sizeIndex];
file->CrcDefined = (uint8_t)(*digestsDefined)[sizeIndex];
sizeIndex++;
}
@ -1081,10 +1119,11 @@ static SRes SzReadHeader2(
if (*emptyFileVector == 0)
file->IsDir = 1;
else
file->IsDir = (uint8_t)((*emptyFileVector)[emptyFileIndex] ? 0 : 1);
file->IsDir = (uint8_t)
((*emptyFileVector)[emptyFileIndex] ? 0 : 1);
emptyFileIndex++;
file->Size = 0;
file->Crc = 0;
file->Size = 0;
file->Crc = 0;
file->CrcDefined = 0;
}
}
@ -1098,13 +1137,13 @@ static SRes SzReadHeader(
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
{
uint64_t *unpackSizes = 0;
uint8_t *digestsDefined = 0;
uint32_t *digests = 0;
uint64_t *unpackSizes = 0;
uint8_t *digestsDefined = 0;
uint32_t *digests = 0;
uint8_t *emptyStreamVector = 0;
uint8_t *emptyFileVector = 0;
uint8_t *lwtVector = 0;
SRes res = SzReadHeader2(p, sd,
uint8_t *emptyFileVector = 0;
uint8_t *lwtVector = 0;
SRes res = SzReadHeader2(p, sd,
&unpackSizes, &digestsDefined, &digests,
&emptyStreamVector, &emptyFileVector, &lwtVector,
allocMain, allocTemp);
@ -1128,12 +1167,11 @@ static SRes SzReadAndDecodePackedStreams2(
uint32_t **digests,
ISzAlloc *allocTemp)
{
uint32_t numUnpackStreams = 0;
SRes res;
uint64_t dataStartPos;
CSzFolder *folder;
uint64_t unpackSize;
SRes res;
uint32_t numUnpackStreams = 0;
RINOK(SzReadStreamsInfo(sd, &dataStartPos, p,
&numUnpackStreams, unpackSizes, digestsDefined, digests,
@ -1169,14 +1207,17 @@ static SRes SzReadAndDecodePackedStreams(
ISzAlloc *allocTemp)
{
CSzAr p;
uint64_t *unpackSizes = 0;
uint8_t *digestsDefined = 0;
uint32_t *digests = 0;
SRes res;
uint64_t *unpackSizes = 0;
uint8_t *digestsDefined = 0;
uint32_t *digests = 0;
SzAr_Init(&p);
res = SzReadAndDecodePackedStreams2(inStream, sd, outBuffer, baseOffset,
&p, &unpackSizes, &digestsDefined, &digests,
allocTemp);
SzAr_Free(&p, allocTemp);
IAlloc_Free(allocTemp, unpackSizes);
IAlloc_Free(allocTemp, digestsDefined);
@ -1190,27 +1231,26 @@ static SRes SzArEx_Open2(
ISzAlloc *allocMain,
ISzAlloc *allocTemp)
{
SRes res;
CBuf buffer;
uint8_t header[k7zStartHeaderSize];
int64_t startArcPos;
uint64_t nextHeaderOffset, nextHeaderSize;
size_t nextHeaderSizeT;
uint32_t nextHeaderCRC;
CBuf buffer;
SRes res;
int64_t startArcPos = 0;
startArcPos = 0;
RINOK(inStream->Seek(inStream, &startArcPos, SZ_SEEK_CUR));
RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE));
RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize,
SZ_ERROR_NO_ARCHIVE));
if (!TestSignatureCandidate(header))
return SZ_ERROR_NO_ARCHIVE;
if (header[6] != k7zMajorVersion)
return SZ_ERROR_UNSUPPORTED;
nextHeaderOffset = GetUi64(header + 12);
nextHeaderSize = GetUi64(header + 20);
nextHeaderCRC = GetUi32(header + 28);
nextHeaderOffset = GetUi64(header + 12);
nextHeaderSize = GetUi64(header + 20);
nextHeaderCRC = GetUi32(header + 28);
p->startPosAfterHeader = startArcPos + k7zStartHeaderSize;
@ -1284,7 +1324,8 @@ static SRes SzArEx_Open2(
return res;
}
SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp)
SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
ISzAlloc *allocMain, ISzAlloc *allocTemp)
{
SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp);
if (res != SZ_OK)
@ -1305,24 +1346,25 @@ SRes SzArEx_Extract(
ISzAlloc *allocTemp)
{
uint32_t folderIndex = p->FileIndexToFolderIndexMap[fileIndex];
SRes res = SZ_OK;
*offset = 0;
*outSizeProcessed = 0;
SRes res = SZ_OK;
*offset = 0;
*outSizeProcessed = 0;
if (folderIndex == (uint32_t)-1)
{
IAlloc_Free(allocMain, *outBuffer);
*blockIndex = folderIndex;
*outBuffer = 0;
*blockIndex = folderIndex;
*outBuffer = 0;
*outBufferSize = 0;
return SZ_OK;
}
if (*outBuffer == 0 || *blockIndex != folderIndex)
{
CSzFolder *folder = p->db.Folders + folderIndex;
CSzFolder *folder = p->db.Folders + folderIndex;
uint64_t unpackSizeSpec = SzFolder_GetUnpackSize(folder);
size_t unpackSize = (size_t)unpackSizeSpec;
uint64_t startOffset = SzArEx_GetFolderStreamPos(p, folderIndex, 0);
size_t unpackSize = (size_t)unpackSizeSpec;
uint64_t startOffset = SzArEx_GetFolderStreamPos(p, folderIndex, 0);
if (unpackSize != unpackSizeSpec)
return SZ_ERROR_MEM;
@ -1358,6 +1400,7 @@ SRes SzArEx_Extract(
}
}
}
if (res == SZ_OK)
{
uint32_t i;

24
deps/7zip/CpuArch.h vendored
View File

@ -11,9 +11,10 @@
extern "C" {
#endif
/*
MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform.
/* MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and
CPU supports unaligned memory accesses.
If MY_CPU_LE_UNALIGN is not defined, we don't know
about these properties of platform.
*/
#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__)
@ -48,23 +49,6 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
#define MY_CPU_LE_UNALIGN
#endif
#ifdef MY_CPU_LE_UNALIGN
#define GetUi16(p) (*(const uint16_t *)(p))
#define GetUi32(p) (*(const uint32_t *)(p))
#define GetUi64(p) (*(const uint64_t *)(p))
#else
#define GetUi16(p) (((const uint8_t *)(p))[0] | ((uint16_t)((const uint8_t *)(p))[1] << 8))
#define GetUi32(p) ( \
((const uint8_t *)(p))[0] | \
((uint32_t)((const uint8_t *)(p))[1] << 8) | \
((uint32_t)((const uint8_t *)(p))[2] << 16) | \
((uint32_t)((const uint8_t *)(p))[3] << 24))
#define GetUi64(p) (GetUi32(p) | ((uint64_t)GetUi32(((const uint8_t *)(p)) + 4) << 32))
#endif
#ifdef __cplusplus
}
#endif