$NetBSD$ * Part of patchset to build electron on NetBSD * Based on OpenBSD's chromium patches, and FreeBSD's electron patches --- third_party/lzma_sdk/C/7zArcIn.c.orig 2025-02-24 19:59:26.000000000 +0000 +++ third_party/lzma_sdk/C/7zArcIn.c @@ -1,5 +1,5 @@ /* 7zArcIn.c -- 7z Input functions -2021-02-09 : Igor Pavlov : Public domain */ +2023-09-07 : Igor Pavlov : Public domain */ #include "Precomp.h" @@ -10,10 +10,11 @@ #include "7zCrc.h" #include "CpuArch.h" -#define MY_ALLOC(T, p, size, alloc) { \ - if ((p = (T *)ISzAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; } +#define MY_ALLOC(T, p, size, alloc) \ + { if ((p = (T *)ISzAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; } -#define MY_ALLOC_ZE(T, p, size, alloc) { if ((size) == 0) p = NULL; else MY_ALLOC(T, p, size, alloc) } +#define MY_ALLOC_ZE(T, p, size, alloc) \ + { if ((size) == 0) p = NULL; else MY_ALLOC(T, p, size, alloc) } #define MY_ALLOC_AND_CPY(to, size, from, alloc) \ { MY_ALLOC(Byte, to, size, alloc); memcpy(to, from, size); } @@ -58,7 +59,7 @@ enum EIdEnum const Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}; -#define SzBitUi32s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; } +#define SzBitUi32s_INIT(p) { (p)->Defs = NULL; (p)->Vals = NULL; } static SRes SzBitUi32s_Alloc(CSzBitUi32s *p, size_t num, ISzAllocPtr alloc) { @@ -69,8 +70,8 @@ static SRes SzBitUi32s_Alloc(CSzBitUi32s } else { - MY_ALLOC(Byte, p->Defs, (num + 7) >> 3, alloc); - MY_ALLOC(UInt32, p->Vals, num, alloc); + MY_ALLOC(Byte, p->Defs, (num + 7) >> 3, alloc) + MY_ALLOC(UInt32, p->Vals, num, alloc) } return SZ_OK; } @@ -81,7 +82,7 @@ static void SzBitUi32s_Free(CSzBitUi32s ISzAlloc_Free(alloc, p->Vals); p->Vals = NULL; } -#define SzBitUi64s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; } +#define SzBitUi64s_INIT(p) { (p)->Defs = NULL; (p)->Vals = NULL; } static void SzBitUi64s_Free(CSzBitUi64s *p, ISzAllocPtr alloc) { @@ -96,7 +97,7 @@ static void SzAr_Init(CSzAr *p) p->NumFolders = 0; p->PackPositions = NULL; - SzBitUi32s_Init(&p->FolderCRCs); + SzBitUi32s_INIT(&p->FolderCRCs) p->FoCodersOffsets = NULL; p->FoStartPackStreamIndex = NULL; @@ -142,11 +143,11 @@ void SzArEx_Init(CSzArEx *p) p->FileNameOffsets = NULL; p->FileNames = NULL; - SzBitUi32s_Init(&p->CRCs); - SzBitUi32s_Init(&p->Attribs); - // SzBitUi32s_Init(&p->Parents); - SzBitUi64s_Init(&p->MTime); - SzBitUi64s_Init(&p->CTime); + SzBitUi32s_INIT(&p->CRCs) + SzBitUi32s_INIT(&p->Attribs) + // SzBitUi32s_INIT(&p->Parents) + SzBitUi64s_INIT(&p->MTime) + SzBitUi64s_INIT(&p->CTime) } void SzArEx_Free(CSzArEx *p, ISzAllocPtr alloc) @@ -180,11 +181,20 @@ static int TestSignatureCandidate(const return 1; } -#define SzData_Clear(p) { (p)->Data = NULL; (p)->Size = 0; } +#define SzData_CLEAR(p) { (p)->Data = NULL; (p)->Size = 0; } + +#define SZ_READ_BYTE_SD_NOCHECK(_sd_, dest) \ + (_sd_)->Size--; dest = *(_sd_)->Data++; + +#define SZ_READ_BYTE_SD(_sd_, dest) \ + if ((_sd_)->Size == 0) return SZ_ERROR_ARCHIVE; \ + SZ_READ_BYTE_SD_NOCHECK(_sd_, dest) -#define SZ_READ_BYTE_SD(_sd_, dest) if ((_sd_)->Size == 0) return SZ_ERROR_ARCHIVE; (_sd_)->Size--; dest = *(_sd_)->Data++; #define SZ_READ_BYTE(dest) SZ_READ_BYTE_SD(sd, dest) -#define SZ_READ_BYTE_2(dest) if (sd.Size == 0) return SZ_ERROR_ARCHIVE; sd.Size--; dest = *sd.Data++; + +#define SZ_READ_BYTE_2(dest) \ + if (sd.Size == 0) return SZ_ERROR_ARCHIVE; \ + sd.Size--; dest = *sd.Data++; #define SKIP_DATA(sd, size) { sd->Size -= (size_t)(size); sd->Data += (size_t)(size); } #define SKIP_DATA2(sd, size) { sd.Size -= (size_t)(size); sd.Data += (size_t)(size); } @@ -192,25 +202,25 @@ static int TestSignatureCandidate(const #define SZ_READ_32(dest) if (sd.Size < 4) return SZ_ERROR_ARCHIVE; \ dest = GetUi32(sd.Data); SKIP_DATA2(sd, 4); -static MY_NO_INLINE SRes ReadNumber(CSzData *sd, UInt64 *value) +static Z7_NO_INLINE SRes ReadNumber(CSzData *sd, UInt64 *value) { Byte firstByte, mask; unsigned i; UInt32 v; - SZ_READ_BYTE(firstByte); + SZ_READ_BYTE(firstByte) if ((firstByte & 0x80) == 0) { *value = firstByte; return SZ_OK; } - SZ_READ_BYTE(v); + SZ_READ_BYTE(v) if ((firstByte & 0x40) == 0) { *value = (((UInt32)firstByte & 0x3F) << 8) | v; return SZ_OK; } - SZ_READ_BYTE(mask); + SZ_READ_BYTE(mask) *value = v | ((UInt32)mask << 8); mask = 0x20; for (i = 2; i < 8; i++) @@ -218,11 +228,11 @@ static MY_NO_INLINE SRes ReadNumber(CSzD Byte b; if ((firstByte & mask) == 0) { - UInt64 highPart = (unsigned)firstByte & (unsigned)(mask - 1); + const UInt64 highPart = (unsigned)firstByte & (unsigned)(mask - 1); *value |= (highPart << (8 * i)); return SZ_OK; } - SZ_READ_BYTE(b); + SZ_READ_BYTE(b) *value |= ((UInt64)b << (8 * i)); mask >>= 1; } @@ -230,7 +240,7 @@ static MY_NO_INLINE SRes ReadNumber(CSzD } -static MY_NO_INLINE SRes SzReadNumber32(CSzData *sd, UInt32 *value) +static Z7_NO_INLINE SRes SzReadNumber32(CSzData *sd, UInt32 *value) { Byte firstByte; UInt64 value64; @@ -244,7 +254,7 @@ static MY_NO_INLINE SRes SzReadNumber32( sd->Size--; return SZ_OK; } - RINOK(ReadNumber(sd, &value64)); + RINOK(ReadNumber(sd, &value64)) if (value64 >= (UInt32)0x80000000 - 1) return SZ_ERROR_UNSUPPORTED; if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 4))) @@ -258,10 +268,10 @@ static MY_NO_INLINE SRes SzReadNumber32( static SRes SkipData(CSzData *sd) { UInt64 size; - RINOK(ReadNumber(sd, &size)); + RINOK(ReadNumber(sd, &size)) if (size > sd->Size) return SZ_ERROR_ARCHIVE; - SKIP_DATA(sd, size); + SKIP_DATA(sd, size) return SZ_OK; } @@ -270,28 +280,28 @@ static SRes WaitId(CSzData *sd, UInt32 i for (;;) { UInt64 type; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == id) return SZ_OK; if (type == k7zIdEnd) return SZ_ERROR_ARCHIVE; - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } } static SRes RememberBitVector(CSzData *sd, UInt32 numItems, const Byte **v) { - UInt32 numBytes = (numItems + 7) >> 3; + const UInt32 numBytes = (numItems + 7) >> 3; if (numBytes > sd->Size) return SZ_ERROR_ARCHIVE; *v = sd->Data; - SKIP_DATA(sd, numBytes); + SKIP_DATA(sd, numBytes) return SZ_OK; } static UInt32 CountDefinedBits(const Byte *bits, UInt32 numItems) { - Byte b = 0; + unsigned b = 0; unsigned m = 0; UInt32 sum = 0; for (; numItems != 0; numItems--) @@ -302,53 +312,53 @@ static UInt32 CountDefinedBits(const Byt m = 8; } m--; - sum += ((b >> m) & 1); + sum += (UInt32)((b >> m) & 1); } return sum; } -static MY_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, ISzAllocPtr alloc) +static Z7_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, ISzAllocPtr alloc) { Byte allAreDefined; Byte *v2; - UInt32 numBytes = (numItems + 7) >> 3; + const UInt32 numBytes = (numItems + 7) >> 3; *v = NULL; - SZ_READ_BYTE(allAreDefined); + SZ_READ_BYTE(allAreDefined) if (numBytes == 0) return SZ_OK; if (allAreDefined == 0) { if (numBytes > sd->Size) return SZ_ERROR_ARCHIVE; - MY_ALLOC_AND_CPY(*v, numBytes, sd->Data, alloc); - SKIP_DATA(sd, numBytes); + MY_ALLOC_AND_CPY(*v, numBytes, sd->Data, alloc) + SKIP_DATA(sd, numBytes) return SZ_OK; } - MY_ALLOC(Byte, *v, numBytes, alloc); + MY_ALLOC(Byte, *v, numBytes, alloc) v2 = *v; memset(v2, 0xFF, (size_t)numBytes); { - unsigned numBits = (unsigned)numItems & 7; + const unsigned numBits = (unsigned)numItems & 7; if (numBits != 0) v2[(size_t)numBytes - 1] = (Byte)((((UInt32)1 << numBits) - 1) << (8 - numBits)); } return SZ_OK; } -static MY_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *crcs, ISzAllocPtr alloc) +static Z7_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *crcs, ISzAllocPtr alloc) { UInt32 i; CSzData sd; UInt32 *vals; const Byte *defs; - MY_ALLOC_ZE(UInt32, crcs->Vals, numItems, alloc); + MY_ALLOC_ZE(UInt32, crcs->Vals, numItems, alloc) sd = *sd2; defs = crcs->Defs; vals = crcs->Vals; for (i = 0; i < numItems; i++) if (SzBitArray_Check(defs, i)) { - SZ_READ_32(vals[i]); + SZ_READ_32(vals[i]) } else vals[i] = 0; @@ -359,7 +369,7 @@ static MY_NO_INLINE SRes ReadUi32s(CSzDa static SRes ReadBitUi32s(CSzData *sd, UInt32 numItems, CSzBitUi32s *crcs, ISzAllocPtr alloc) { SzBitUi32s_Free(crcs, alloc); - RINOK(ReadBitVector(sd, numItems, &crcs->Defs, alloc)); + RINOK(ReadBitVector(sd, numItems, &crcs->Defs, alloc)) return ReadUi32s(sd, numItems, crcs, alloc); } @@ -367,36 +377,36 @@ static SRes SkipBitUi32s(CSzData *sd, UI { Byte allAreDefined; UInt32 numDefined = numItems; - SZ_READ_BYTE(allAreDefined); + SZ_READ_BYTE(allAreDefined) if (!allAreDefined) { - size_t numBytes = (numItems + 7) >> 3; + const size_t numBytes = (numItems + 7) >> 3; if (numBytes > sd->Size) return SZ_ERROR_ARCHIVE; numDefined = CountDefinedBits(sd->Data, numItems); - SKIP_DATA(sd, numBytes); + SKIP_DATA(sd, numBytes) } if (numDefined > (sd->Size >> 2)) return SZ_ERROR_ARCHIVE; - SKIP_DATA(sd, (size_t)numDefined * 4); + SKIP_DATA(sd, (size_t)numDefined * 4) return SZ_OK; } static SRes ReadPackInfo(CSzAr *p, CSzData *sd, ISzAllocPtr alloc) { - RINOK(SzReadNumber32(sd, &p->NumPackStreams)); + RINOK(SzReadNumber32(sd, &p->NumPackStreams)) - RINOK(WaitId(sd, k7zIdSize)); - MY_ALLOC(UInt64, p->PackPositions, (size_t)p->NumPackStreams + 1, alloc); + RINOK(WaitId(sd, k7zIdSize)) + MY_ALLOC(UInt64, p->PackPositions, (size_t)p->NumPackStreams + 1, alloc) { UInt64 sum = 0; UInt32 i; - UInt32 numPackStreams = p->NumPackStreams; + const UInt32 numPackStreams = p->NumPackStreams; for (i = 0; i < numPackStreams; i++) { UInt64 packSize; p->PackPositions[i] = sum; - RINOK(ReadNumber(sd, &packSize)); + RINOK(ReadNumber(sd, &packSize)) sum += packSize; if (sum < packSize) return SZ_ERROR_ARCHIVE; @@ -407,16 +417,16 @@ static SRes ReadPackInfo(CSzAr *p, CSzDa for (;;) { UInt64 type; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdEnd) return SZ_OK; if (type == k7zIdCRC) { /* CRC of packed streams is unused now */ - RINOK(SkipBitUi32s(sd, p->NumPackStreams)); + RINOK(SkipBitUi32s(sd, p->NumPackStreams)) continue; } - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } } @@ -442,7 +452,7 @@ SRes SzGetNextFolderItem(CSzFolder *f, C f->NumPackStreams = 0; f->UnpackStream = 0; - RINOK(SzReadNumber32(sd, &numCoders)); + RINOK(SzReadNumber32(sd, &numCoders)) if (numCoders == 0 || numCoders > SZ_NUM_CODERS_IN_FOLDER_MAX) return SZ_ERROR_UNSUPPORTED; @@ -453,7 +463,7 @@ SRes SzGetNextFolderItem(CSzFolder *f, C unsigned idSize, j; UInt64 id; - SZ_READ_BYTE(mainByte); + SZ_READ_BYTE(mainByte) if ((mainByte & 0xC0) != 0) return SZ_ERROR_UNSUPPORTED; @@ -481,12 +491,12 @@ SRes SzGetNextFolderItem(CSzFolder *f, C { UInt32 numStreams; - RINOK(SzReadNumber32(sd, &numStreams)); + RINOK(SzReadNumber32(sd, &numStreams)) if (numStreams > k_NumCodersStreams_in_Folder_MAX) return SZ_ERROR_UNSUPPORTED; coder->NumStreams = (Byte)numStreams; - RINOK(SzReadNumber32(sd, &numStreams)); + RINOK(SzReadNumber32(sd, &numStreams)) if (numStreams != 1) return SZ_ERROR_UNSUPPORTED; } @@ -499,7 +509,7 @@ SRes SzGetNextFolderItem(CSzFolder *f, C if ((mainByte & 0x20) != 0) { UInt32 propsSize = 0; - RINOK(SzReadNumber32(sd, &propsSize)); + RINOK(SzReadNumber32(sd, &propsSize)) if (propsSize > sd->Size) return SZ_ERROR_ARCHIVE; if (propsSize >= 0x80) @@ -549,12 +559,12 @@ SRes SzGetNextFolderItem(CSzFolder *f, C { CSzBond *bp = f->Bonds + i; - RINOK(SzReadNumber32(sd, &bp->InIndex)); + RINOK(SzReadNumber32(sd, &bp->InIndex)) if (bp->InIndex >= numInStreams || streamUsed[bp->InIndex]) return SZ_ERROR_ARCHIVE; streamUsed[bp->InIndex] = True; - RINOK(SzReadNumber32(sd, &bp->OutIndex)); + RINOK(SzReadNumber32(sd, &bp->OutIndex)) if (bp->OutIndex >= numCoders || coderUsed[bp->OutIndex]) return SZ_ERROR_ARCHIVE; coderUsed[bp->OutIndex] = True; @@ -584,7 +594,7 @@ SRes SzGetNextFolderItem(CSzFolder *f, C for (i = 0; i < numPackStreams; i++) { UInt32 index; - RINOK(SzReadNumber32(sd, &index)); + RINOK(SzReadNumber32(sd, &index)) if (index >= numInStreams || streamUsed[index]) return SZ_ERROR_ARCHIVE; streamUsed[index] = True; @@ -598,7 +608,7 @@ SRes SzGetNextFolderItem(CSzFolder *f, C } -static MY_NO_INLINE SRes SkipNumbers(CSzData *sd2, UInt32 num) +static Z7_NO_INLINE SRes SkipNumbers(CSzData *sd2, UInt32 num) { CSzData sd; sd = *sd2; @@ -606,7 +616,7 @@ static MY_NO_INLINE SRes SkipNumbers(CSz { Byte firstByte, mask; unsigned i; - SZ_READ_BYTE_2(firstByte); + SZ_READ_BYTE_2(firstByte) if ((firstByte & 0x80) == 0) continue; if ((firstByte & 0x40) == 0) @@ -622,7 +632,7 @@ static MY_NO_INLINE SRes SkipNumbers(CSz mask >>= 1; if (i > sd.Size) return SZ_ERROR_ARCHIVE; - SKIP_DATA2(sd, i); + SKIP_DATA2(sd, i) } *sd2 = sd; return SZ_OK; @@ -645,30 +655,30 @@ static SRes ReadUnpackInfo(CSzAr *p, const Byte *startBufPtr; Byte external; - RINOK(WaitId(sd2, k7zIdFolder)); + RINOK(WaitId(sd2, k7zIdFolder)) - RINOK(SzReadNumber32(sd2, &numFolders)); + RINOK(SzReadNumber32(sd2, &numFolders)) if (numFolders > numFoldersMax) return SZ_ERROR_UNSUPPORTED; p->NumFolders = numFolders; - SZ_READ_BYTE_SD(sd2, external); + SZ_READ_BYTE_SD(sd2, external) if (external == 0) sd = *sd2; else { UInt32 index; - RINOK(SzReadNumber32(sd2, &index)); + RINOK(SzReadNumber32(sd2, &index)) if (index >= numTempBufs) return SZ_ERROR_ARCHIVE; sd.Data = tempBufs[index].data; sd.Size = tempBufs[index].size; } - MY_ALLOC(size_t, p->FoCodersOffsets, (size_t)numFolders + 1, alloc); - MY_ALLOC(UInt32, p->FoStartPackStreamIndex, (size_t)numFolders + 1, alloc); - MY_ALLOC(UInt32, p->FoToCoderUnpackSizes, (size_t)numFolders + 1, alloc); - MY_ALLOC_ZE(Byte, p->FoToMainUnpackSizeIndex, (size_t)numFolders, alloc); + MY_ALLOC(size_t, p->FoCodersOffsets, (size_t)numFolders + 1, alloc) + MY_ALLOC(UInt32, p->FoStartPackStreamIndex, (size_t)numFolders + 1, alloc) + MY_ALLOC(UInt32, p->FoToCoderUnpackSizes, (size_t)numFolders + 1, alloc) + MY_ALLOC_ZE(Byte, p->FoToMainUnpackSizeIndex, (size_t)numFolders, alloc) startBufPtr = sd.Data; @@ -681,7 +691,7 @@ static SRes ReadUnpackInfo(CSzAr *p, p->FoCodersOffsets[fo] = (size_t)(sd.Data - startBufPtr); - RINOK(SzReadNumber32(&sd, &numCoders)); + RINOK(SzReadNumber32(&sd, &numCoders)) if (numCoders == 0 || numCoders > k_Scan_NumCoders_MAX) return SZ_ERROR_UNSUPPORTED; @@ -691,7 +701,7 @@ static SRes ReadUnpackInfo(CSzAr *p, unsigned idSize; UInt32 coderInStreams; - SZ_READ_BYTE_2(mainByte); + SZ_READ_BYTE_2(mainByte) if ((mainByte & 0xC0) != 0) return SZ_ERROR_UNSUPPORTED; idSize = (mainByte & 0xF); @@ -699,15 +709,15 @@ static SRes ReadUnpackInfo(CSzAr *p, return SZ_ERROR_UNSUPPORTED; if (idSize > sd.Size) return SZ_ERROR_ARCHIVE; - SKIP_DATA2(sd, idSize); + SKIP_DATA2(sd, idSize) coderInStreams = 1; if ((mainByte & 0x10) != 0) { UInt32 coderOutStreams; - RINOK(SzReadNumber32(&sd, &coderInStreams)); - RINOK(SzReadNumber32(&sd, &coderOutStreams)); + RINOK(SzReadNumber32(&sd, &coderInStreams)) + RINOK(SzReadNumber32(&sd, &coderOutStreams)) if (coderInStreams > k_Scan_NumCodersStreams_in_Folder_MAX || coderOutStreams != 1) return SZ_ERROR_UNSUPPORTED; } @@ -717,10 +727,10 @@ static SRes ReadUnpackInfo(CSzAr *p, if ((mainByte & 0x20) != 0) { UInt32 propsSize; - RINOK(SzReadNumber32(&sd, &propsSize)); + RINOK(SzReadNumber32(&sd, &propsSize)) if (propsSize > sd.Size) return SZ_ERROR_ARCHIVE; - SKIP_DATA2(sd, propsSize); + SKIP_DATA2(sd, propsSize) } } @@ -734,7 +744,7 @@ static SRes ReadUnpackInfo(CSzAr *p, Byte coderUsed[k_Scan_NumCoders_MAX]; UInt32 i; - UInt32 numBonds = numCoders - 1; + const UInt32 numBonds = numCoders - 1; if (numInStreams < numBonds) return SZ_ERROR_ARCHIVE; @@ -750,12 +760,12 @@ static SRes ReadUnpackInfo(CSzAr *p, { UInt32 index; - RINOK(SzReadNumber32(&sd, &index)); + RINOK(SzReadNumber32(&sd, &index)) if (index >= numInStreams || streamUsed[index]) return SZ_ERROR_ARCHIVE; streamUsed[index] = True; - RINOK(SzReadNumber32(&sd, &index)); + RINOK(SzReadNumber32(&sd, &index)) if (index >= numCoders || coderUsed[index]) return SZ_ERROR_ARCHIVE; coderUsed[index] = True; @@ -767,7 +777,7 @@ static SRes ReadUnpackInfo(CSzAr *p, for (i = 0; i < numPackStreams; i++) { UInt32 index; - RINOK(SzReadNumber32(&sd, &index)); + RINOK(SzReadNumber32(&sd, &index)) if (index >= numInStreams || streamUsed[index]) return SZ_ERROR_ARCHIVE; streamUsed[index] = True; @@ -802,7 +812,7 @@ static SRes ReadUnpackInfo(CSzAr *p, const size_t dataSize = (size_t)(sd.Data - startBufPtr); p->FoStartPackStreamIndex[fo] = packStreamIndex; p->FoCodersOffsets[fo] = dataSize; - MY_ALLOC_ZE_AND_CPY(p->CodersData, dataSize, startBufPtr, alloc); + MY_ALLOC_ZE_AND_CPY(p->CodersData, dataSize, startBufPtr, alloc) } if (external != 0) @@ -812,21 +822,21 @@ static SRes ReadUnpackInfo(CSzAr *p, sd = *sd2; } - RINOK(WaitId(&sd, k7zIdCodersUnpackSize)); + RINOK(WaitId(&sd, k7zIdCodersUnpackSize)) - MY_ALLOC_ZE(UInt64, p->CoderUnpackSizes, (size_t)numCodersOutStreams, alloc); + MY_ALLOC_ZE(UInt64, p->CoderUnpackSizes, (size_t)numCodersOutStreams, alloc) { UInt32 i; for (i = 0; i < numCodersOutStreams; i++) { - RINOK(ReadNumber(&sd, p->CoderUnpackSizes + i)); + RINOK(ReadNumber(&sd, p->CoderUnpackSizes + i)) } } for (;;) { UInt64 type; - RINOK(ReadID(&sd, &type)); + RINOK(ReadID(&sd, &type)) if (type == k7zIdEnd) { *sd2 = sd; @@ -834,10 +844,10 @@ static SRes ReadUnpackInfo(CSzAr *p, } if (type == k7zIdCRC) { - RINOK(ReadBitUi32s(&sd, numFolders, &p->FolderCRCs, alloc)); + RINOK(ReadBitUi32s(&sd, numFolders, &p->FolderCRCs, alloc)) continue; } - RINOK(SkipData(&sd)); + RINOK(SkipData(&sd)) } } @@ -862,13 +872,13 @@ static SRes ReadSubStreamsInfo(CSzAr *p, { UInt64 type = 0; UInt32 numSubDigests = 0; - UInt32 numFolders = p->NumFolders; + const UInt32 numFolders = p->NumFolders; UInt32 numUnpackStreams = numFolders; UInt32 numUnpackSizesInData = 0; for (;;) { - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdNumUnpackStream) { UInt32 i; @@ -878,7 +888,7 @@ static SRes ReadSubStreamsInfo(CSzAr *p, for (i = 0; i < numFolders; i++) { UInt32 numStreams; - RINOK(SzReadNumber32(sd, &numStreams)); + RINOK(SzReadNumber32(sd, &numStreams)) if (numUnpackStreams > numUnpackStreams + numStreams) return SZ_ERROR_UNSUPPORTED; numUnpackStreams += numStreams; @@ -892,7 +902,7 @@ static SRes ReadSubStreamsInfo(CSzAr *p, } if (type == k7zIdCRC || type == k7zIdSize || type == k7zIdEnd) break; - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } if (!ssi->sdNumSubStreams.Data) @@ -908,9 +918,9 @@ static SRes ReadSubStreamsInfo(CSzAr *p, if (type == k7zIdSize) { ssi->sdSizes.Data = sd->Data; - RINOK(SkipNumbers(sd, numUnpackSizesInData)); + RINOK(SkipNumbers(sd, numUnpackSizesInData)) ssi->sdSizes.Size = (size_t)(sd->Data - ssi->sdSizes.Data); - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } for (;;) @@ -920,14 +930,14 @@ static SRes ReadSubStreamsInfo(CSzAr *p, if (type == k7zIdCRC) { ssi->sdCRCs.Data = sd->Data; - RINOK(SkipBitUi32s(sd, numSubDigests)); + RINOK(SkipBitUi32s(sd, numSubDigests)) ssi->sdCRCs.Size = (size_t)(sd->Data - ssi->sdCRCs.Data); } else { - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } } @@ -940,31 +950,31 @@ static SRes SzReadStreamsInfo(CSzAr *p, { UInt64 type; - SzData_Clear(&ssi->sdSizes); - SzData_Clear(&ssi->sdCRCs); - SzData_Clear(&ssi->sdNumSubStreams); + SzData_CLEAR(&ssi->sdSizes) + SzData_CLEAR(&ssi->sdCRCs) + SzData_CLEAR(&ssi->sdNumSubStreams) *dataOffset = 0; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdPackInfo) { - RINOK(ReadNumber(sd, dataOffset)); + RINOK(ReadNumber(sd, dataOffset)) if (*dataOffset > p->RangeLimit) return SZ_ERROR_ARCHIVE; - RINOK(ReadPackInfo(p, sd, alloc)); + RINOK(ReadPackInfo(p, sd, alloc)) if (p->PackPositions[p->NumPackStreams] > p->RangeLimit - *dataOffset) return SZ_ERROR_ARCHIVE; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } if (type == k7zIdUnpackInfo) { - RINOK(ReadUnpackInfo(p, sd, numFoldersMax, tempBufs, numTempBufs, alloc)); - RINOK(ReadID(sd, &type)); + RINOK(ReadUnpackInfo(p, sd, numFoldersMax, tempBufs, numTempBufs, alloc)) + RINOK(ReadID(sd, &type)) } if (type == k7zIdSubStreamsInfo) { - RINOK(ReadSubStreamsInfo(p, sd, ssi)); - RINOK(ReadID(sd, &type)); + RINOK(ReadSubStreamsInfo(p, sd, ssi)) + RINOK(ReadID(sd, &type)) } else { @@ -976,7 +986,7 @@ static SRes SzReadStreamsInfo(CSzAr *p, } static SRes SzReadAndDecodePackedStreams( - ILookInStream *inStream, + ILookInStreamPtr inStream, CSzData *sd, CBuf *tempBufs, UInt32 numFoldersMax, @@ -988,7 +998,7 @@ static SRes SzReadAndDecodePackedStreams UInt32 fo; CSubStreamInfo ssi; - RINOK(SzReadStreamsInfo(p, sd, numFoldersMax, NULL, 0, &dataStartPos, &ssi, allocTemp)); + RINOK(SzReadStreamsInfo(p, sd, numFoldersMax, NULL, 0, &dataStartPos, &ssi, allocTemp)) dataStartPos += baseOffset; if (p->NumFolders == 0) @@ -1000,7 +1010,7 @@ static SRes SzReadAndDecodePackedStreams for (fo = 0; fo < p->NumFolders; fo++) { CBuf *tempBuf = tempBufs + fo; - UInt64 unpackSize = SzAr_GetFolderUnpackSize(p, fo); + const UInt64 unpackSize = SzAr_GetFolderUnpackSize(p, fo); if ((size_t)unpackSize != unpackSize) return SZ_ERROR_MEM; if (!Buf_Create(tempBuf, (size_t)unpackSize, allocTemp)) @@ -1010,8 +1020,8 @@ static SRes SzReadAndDecodePackedStreams for (fo = 0; fo < p->NumFolders; fo++) { const CBuf *tempBuf = tempBufs + fo; - RINOK(LookInStream_SeekTo(inStream, dataStartPos)); - RINOK(SzAr_DecodeFolder(p, fo, inStream, dataStartPos, tempBuf->data, tempBuf->size, allocTemp)); + RINOK(LookInStream_SeekTo(inStream, dataStartPos)) + RINOK(SzAr_DecodeFolder(p, fo, inStream, dataStartPos, tempBuf->data, tempBuf->size, allocTemp)) } return SZ_OK; @@ -1046,7 +1056,7 @@ static SRes SzReadFileNames(const Byte * return (pos == size) ? SZ_OK : SZ_ERROR_ARCHIVE; } -static MY_NO_INLINE SRes ReadTime(CSzBitUi64s *p, UInt32 num, +static Z7_NO_INLINE SRes ReadTime(CSzBitUi64s *p, UInt32 num, CSzData *sd2, const CBuf *tempBufs, UInt32 numTempBufs, ISzAllocPtr alloc) @@ -1057,22 +1067,22 @@ static MY_NO_INLINE SRes ReadTime(CSzBit Byte *defs; Byte external; - RINOK(ReadBitVector(sd2, num, &p->Defs, alloc)); + RINOK(ReadBitVector(sd2, num, &p->Defs, alloc)) - SZ_READ_BYTE_SD(sd2, external); + SZ_READ_BYTE_SD(sd2, external) if (external == 0) sd = *sd2; else { UInt32 index; - RINOK(SzReadNumber32(sd2, &index)); + RINOK(SzReadNumber32(sd2, &index)) if (index >= numTempBufs) return SZ_ERROR_ARCHIVE; sd.Data = tempBufs[index].data; sd.Size = tempBufs[index].size; } - MY_ALLOC_ZE(CNtfsFileTime, p->Vals, num, alloc); + MY_ALLOC_ZE(CNtfsFileTime, p->Vals, num, alloc) vals = p->Vals; defs = p->Defs; for (i = 0; i < num; i++) @@ -1082,7 +1092,7 @@ static MY_NO_INLINE SRes ReadTime(CSzBit return SZ_ERROR_ARCHIVE; vals[i].Low = GetUi32(sd.Data); vals[i].High = GetUi32(sd.Data + 4); - SKIP_DATA2(sd, 8); + SKIP_DATA2(sd, 8) } else vals[i].High = vals[i].Low = 0; @@ -1100,7 +1110,7 @@ static MY_NO_INLINE SRes ReadTime(CSzBit static SRes SzReadHeader2( CSzArEx *p, /* allocMain */ CSzData *sd, - ILookInStream *inStream, + ILookInStreamPtr inStream, CBuf *tempBufs, UInt32 *numTempBufs, ISzAllocPtr allocMain, ISzAllocPtr allocTemp @@ -1111,26 +1121,26 @@ static SRes SzReadHeader2( { UInt64 type; - SzData_Clear(&ssi.sdSizes); - SzData_Clear(&ssi.sdCRCs); - SzData_Clear(&ssi.sdNumSubStreams); + SzData_CLEAR(&ssi.sdSizes) + SzData_CLEAR(&ssi.sdCRCs) + SzData_CLEAR(&ssi.sdNumSubStreams) ssi.NumSubDigests = 0; ssi.NumTotalSubStreams = 0; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdArchiveProperties) { for (;;) { UInt64 type2; - RINOK(ReadID(sd, &type2)); + RINOK(ReadID(sd, &type2)) if (type2 == k7zIdEnd) break; - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } if (type == k7zIdAdditionalStreamsInfo) @@ -1148,15 +1158,15 @@ static SRes SzReadHeader2( if (res != SZ_OK) return res; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } if (type == k7zIdMainStreamsInfo) { RINOK(SzReadStreamsInfo(&p->db, sd, (UInt32)1 << 30, tempBufs, *numTempBufs, - &p->dataPos, &ssi, allocMain)); + &p->dataPos, &ssi, allocMain)) p->dataPos += p->startPosAfterHeader; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) } if (type == k7zIdEnd) @@ -1174,23 +1184,23 @@ static SRes SzReadHeader2( const Byte *emptyStreams = NULL; const Byte *emptyFiles = NULL; - RINOK(SzReadNumber32(sd, &numFiles)); + RINOK(SzReadNumber32(sd, &numFiles)) p->NumFiles = numFiles; for (;;) { UInt64 type; UInt64 size; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdEnd) break; - RINOK(ReadNumber(sd, &size)); + RINOK(ReadNumber(sd, &size)) if (size > sd->Size) return SZ_ERROR_ARCHIVE; if (type >= ((UInt32)1 << 8)) { - SKIP_DATA(sd, size); + SKIP_DATA(sd, size) } else switch ((unsigned)type) { @@ -1200,7 +1210,7 @@ static SRes SzReadHeader2( const Byte *namesData; Byte external; - SZ_READ_BYTE(external); + SZ_READ_BYTE(external) if (external == 0) { namesSize = (size_t)size - 1; @@ -1209,7 +1219,7 @@ static SRes SzReadHeader2( else { UInt32 index; - RINOK(SzReadNumber32(sd, &index)); + RINOK(SzReadNumber32(sd, &index)) if (index >= *numTempBufs) return SZ_ERROR_ARCHIVE; namesData = (tempBufs)[index].data; @@ -1218,25 +1228,25 @@ static SRes SzReadHeader2( if ((namesSize & 1) != 0) return SZ_ERROR_ARCHIVE; - MY_ALLOC(size_t, p->FileNameOffsets, numFiles + 1, allocMain); - MY_ALLOC_ZE_AND_CPY(p->FileNames, namesSize, namesData, allocMain); + MY_ALLOC(size_t, p->FileNameOffsets, numFiles + 1, allocMain) + MY_ALLOC_ZE_AND_CPY(p->FileNames, namesSize, namesData, allocMain) RINOK(SzReadFileNames(p->FileNames, namesSize, numFiles, p->FileNameOffsets)) if (external == 0) { - SKIP_DATA(sd, namesSize); + SKIP_DATA(sd, namesSize) } break; } case k7zIdEmptyStream: { - RINOK(RememberBitVector(sd, numFiles, &emptyStreams)); + RINOK(RememberBitVector(sd, numFiles, &emptyStreams)) numEmptyStreams = CountDefinedBits(emptyStreams, numFiles); emptyFiles = NULL; break; } case k7zIdEmptyFile: { - RINOK(RememberBitVector(sd, numEmptyStreams, &emptyFiles)); + RINOK(RememberBitVector(sd, numEmptyStreams, &emptyFiles)) break; } case k7zIdWinAttrib: @@ -1245,22 +1255,22 @@ static SRes SzReadHeader2( CSzData sdSwitch; CSzData *sdPtr; SzBitUi32s_Free(&p->Attribs, allocMain); - RINOK(ReadBitVector(sd, numFiles, &p->Attribs.Defs, allocMain)); + RINOK(ReadBitVector(sd, numFiles, &p->Attribs.Defs, allocMain)) - SZ_READ_BYTE(external); + SZ_READ_BYTE(external) if (external == 0) sdPtr = sd; else { UInt32 index; - RINOK(SzReadNumber32(sd, &index)); + RINOK(SzReadNumber32(sd, &index)) if (index >= *numTempBufs) return SZ_ERROR_ARCHIVE; sdSwitch.Data = (tempBufs)[index].data; sdSwitch.Size = (tempBufs)[index].size; sdPtr = &sdSwitch; } - RINOK(ReadUi32s(sdPtr, numFiles, &p->Attribs, allocMain)); + RINOK(ReadUi32s(sdPtr, numFiles, &p->Attribs, allocMain)) break; } /* @@ -1273,11 +1283,11 @@ static SRes SzReadHeader2( break; } */ - case k7zIdMTime: RINOK(ReadTime(&p->MTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)); break; - case k7zIdCTime: RINOK(ReadTime(&p->CTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)); break; + case k7zIdMTime: RINOK(ReadTime(&p->MTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)) break; + case k7zIdCTime: RINOK(ReadTime(&p->CTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)) break; default: { - SKIP_DATA(sd, size); + SKIP_DATA(sd, size) } } } @@ -1288,10 +1298,10 @@ static SRes SzReadHeader2( for (;;) { UInt64 type; - RINOK(ReadID(sd, &type)); + RINOK(ReadID(sd, &type)) if (type == k7zIdEnd) break; - RINOK(SkipData(sd)); + RINOK(SkipData(sd)) } { @@ -1303,40 +1313,37 @@ static SRes SzReadHeader2( UInt64 unpackPos = 0; const Byte *digestsDefs = NULL; const Byte *digestsVals = NULL; - UInt32 digestsValsIndex = 0; - UInt32 digestIndex; - Byte allDigestsDefined = 0; + UInt32 digestIndex = 0; Byte isDirMask = 0; Byte crcMask = 0; Byte mask = 0x80; - MY_ALLOC(UInt32, p->FolderToFile, p->db.NumFolders + 1, allocMain); - MY_ALLOC_ZE(UInt32, p->FileToFolder, p->NumFiles, allocMain); - MY_ALLOC(UInt64, p->UnpackPositions, p->NumFiles + 1, allocMain); - MY_ALLOC_ZE(Byte, p->IsDirs, (p->NumFiles + 7) >> 3, allocMain); + MY_ALLOC(UInt32, p->FolderToFile, p->db.NumFolders + 1, allocMain) + MY_ALLOC_ZE(UInt32, p->FileToFolder, p->NumFiles, allocMain) + MY_ALLOC(UInt64, p->UnpackPositions, p->NumFiles + 1, allocMain) + MY_ALLOC_ZE(Byte, p->IsDirs, (p->NumFiles + 7) >> 3, allocMain) - RINOK(SzBitUi32s_Alloc(&p->CRCs, p->NumFiles, allocMain)); + RINOK(SzBitUi32s_Alloc(&p->CRCs, p->NumFiles, allocMain)) if (ssi.sdCRCs.Size != 0) { - SZ_READ_BYTE_SD(&ssi.sdCRCs, allDigestsDefined); + Byte allDigestsDefined = 0; + SZ_READ_BYTE_SD_NOCHECK(&ssi.sdCRCs, allDigestsDefined) if (allDigestsDefined) digestsVals = ssi.sdCRCs.Data; else { - size_t numBytes = (ssi.NumSubDigests + 7) >> 3; + const size_t numBytes = (ssi.NumSubDigests + 7) >> 3; digestsDefs = ssi.sdCRCs.Data; digestsVals = digestsDefs + numBytes; } } - digestIndex = 0; - for (i = 0; i < numFiles; i++, mask >>= 1) { if (mask == 0) { - UInt32 byteIndex = (i - 1) >> 3; + const UInt32 byteIndex = (i - 1) >> 3; p->IsDirs[byteIndex] = isDirMask; p->CRCs.Defs[byteIndex] = crcMask; isDirMask = 0; @@ -1374,18 +1381,17 @@ static SRes SzReadHeader2( numSubStreams = 1; if (ssi.sdNumSubStreams.Data) { - RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams)); + RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams)) } remSubStreams = numSubStreams; if (numSubStreams != 0) break; { - UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex); + const UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex); unpackPos += folderUnpackSize; if (unpackPos < folderUnpackSize) return SZ_ERROR_ARCHIVE; } - folderIndex++; } } @@ -1397,47 +1403,44 @@ static SRes SzReadHeader2( if (--remSubStreams == 0) { - UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex); - UInt64 startFolderUnpackPos = p->UnpackPositions[p->FolderToFile[folderIndex]]; + const UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex); + const UInt64 startFolderUnpackPos = p->UnpackPositions[p->FolderToFile[folderIndex]]; if (folderUnpackSize < unpackPos - startFolderUnpackPos) return SZ_ERROR_ARCHIVE; unpackPos = startFolderUnpackPos + folderUnpackSize; if (unpackPos < folderUnpackSize) return SZ_ERROR_ARCHIVE; - if (numSubStreams == 1 && SzBitWithVals_Check(&p->db.FolderCRCs, i)) + if (numSubStreams == 1 && SzBitWithVals_Check(&p->db.FolderCRCs, folderIndex)) { p->CRCs.Vals[i] = p->db.FolderCRCs.Vals[folderIndex]; crcMask |= mask; } - else if (allDigestsDefined || (digestsDefs && SzBitArray_Check(digestsDefs, digestIndex))) - { - p->CRCs.Vals[i] = GetUi32(digestsVals + (size_t)digestsValsIndex * 4); - digestsValsIndex++; - crcMask |= mask; - } - folderIndex++; } else { UInt64 v; - RINOK(ReadNumber(&ssi.sdSizes, &v)); + RINOK(ReadNumber(&ssi.sdSizes, &v)) unpackPos += v; if (unpackPos < v) return SZ_ERROR_ARCHIVE; - if (allDigestsDefined || (digestsDefs && SzBitArray_Check(digestsDefs, digestIndex))) + } + if ((crcMask & mask) == 0 && digestsVals) + { + if (!digestsDefs || SzBitArray_Check(digestsDefs, digestIndex)) { - p->CRCs.Vals[i] = GetUi32(digestsVals + (size_t)digestsValsIndex * 4); - digestsValsIndex++; + p->CRCs.Vals[i] = GetUi32(digestsVals); + digestsVals += 4; crcMask |= mask; } + digestIndex++; } } if (mask != 0x80) { - UInt32 byteIndex = (i - 1) >> 3; + const UInt32 byteIndex = (i - 1) >> 3; p->IsDirs[byteIndex] = isDirMask; p->CRCs.Defs[byteIndex] = crcMask; } @@ -1454,7 +1457,7 @@ static SRes SzReadHeader2( break; if (!ssi.sdNumSubStreams.Data) return SZ_ERROR_ARCHIVE; - RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams)); + RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams)) if (numSubStreams != 0) return SZ_ERROR_ARCHIVE; /* @@ -1479,7 +1482,7 @@ static SRes SzReadHeader2( static SRes SzReadHeader( CSzArEx *p, CSzData *sd, - ILookInStream *inStream, + ILookInStreamPtr inStream, ISzAllocPtr allocMain, ISzAllocPtr allocTemp) { @@ -1498,7 +1501,7 @@ static SRes SzReadHeader( for (i = 0; i < NUM_ADDITIONAL_STREAMS_MAX; i++) Buf_Free(tempBufs + i, allocTemp); - RINOK(res); + RINOK(res) if (sd->Size != 0) return SZ_ERROR_FAIL; @@ -1508,7 +1511,7 @@ static SRes SzReadHeader( static SRes SzArEx_Open2( CSzArEx *p, - ILookInStream *inStream, + ILookInStreamPtr inStream, ISzAllocPtr allocMain, ISzAllocPtr allocTemp) { @@ -1521,9 +1524,9 @@ static SRes SzArEx_Open2( SRes res; startArcPos = 0; - RINOK(ILookInStream_Seek(inStream, &startArcPos, SZ_SEEK_CUR)); + RINOK(ILookInStream_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; @@ -1552,14 +1555,14 @@ static SRes SzArEx_Open2( { Int64 pos = 0; - RINOK(ILookInStream_Seek(inStream, &pos, SZ_SEEK_END)); + RINOK(ILookInStream_Seek(inStream, &pos, SZ_SEEK_END)) if ((UInt64)pos < (UInt64)startArcPos + nextHeaderOffset || (UInt64)pos < (UInt64)startArcPos + k7zStartHeaderSize + nextHeaderOffset || (UInt64)pos < (UInt64)startArcPos + k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize) return SZ_ERROR_INPUT_EOF; } - RINOK(LookInStream_SeekTo(inStream, (UInt64)startArcPos + k7zStartHeaderSize + nextHeaderOffset)); + RINOK(LookInStream_SeekTo(inStream, (UInt64)startArcPos + k7zStartHeaderSize + nextHeaderOffset)) if (!Buf_Create(&buf, nextHeaderSizeT, allocTemp)) return SZ_ERROR_MEM; @@ -1634,10 +1637,10 @@ static SRes SzArEx_Open2( } -SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, +SRes SzArEx_Open(CSzArEx *p, ILookInStreamPtr inStream, ISzAllocPtr allocMain, ISzAllocPtr allocTemp) { - SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp); + const SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp); if (res != SZ_OK) SzArEx_Free(p, allocMain); return res; @@ -1646,7 +1649,7 @@ SRes SzArEx_Open(CSzArEx *p, ILookInStre SRes SzArEx_Extract( const CSzArEx *p, - ILookInStream *inStream, + ILookInStreamPtr inStream, UInt32 fileIndex, UInt32 *blockIndex, Byte **tempBuf, @@ -1656,7 +1659,7 @@ SRes SzArEx_Extract( ISzAllocPtr allocMain, ISzAllocPtr allocTemp) { - UInt32 folderIndex = p->FileToFolder[fileIndex]; + const UInt32 folderIndex = p->FileToFolder[fileIndex]; SRes res = SZ_OK; *offset = 0; @@ -1673,13 +1676,13 @@ SRes SzArEx_Extract( if (*tempBuf == NULL || *blockIndex != folderIndex) { - UInt64 unpackSizeSpec = SzAr_GetFolderUnpackSize(&p->db, folderIndex); + const UInt64 unpackSizeSpec = SzAr_GetFolderUnpackSize(&p->db, folderIndex); /* UInt64 unpackSizeSpec = p->UnpackPositions[p->FolderToFile[(size_t)folderIndex + 1]] - p->UnpackPositions[p->FolderToFile[folderIndex]]; */ - size_t unpackSize = (size_t)unpackSizeSpec; + const size_t unpackSize = (size_t)unpackSizeSpec; if (unpackSize != unpackSizeSpec) return SZ_ERROR_MEM; @@ -1707,7 +1710,7 @@ SRes SzArEx_Extract( if (res == SZ_OK) { - UInt64 unpackPos = p->UnpackPositions[fileIndex]; + const UInt64 unpackPos = p->UnpackPositions[fileIndex]; *offset = (size_t)(unpackPos - p->UnpackPositions[p->FolderToFile[folderIndex]]); *outSizeProcessed = (size_t)(p->UnpackPositions[(size_t)fileIndex + 1] - unpackPos); if (*offset + *outSizeProcessed > *outBufferSize) @@ -1723,8 +1726,8 @@ SRes SzArEx_Extract( size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest) { - size_t offs = p->FileNameOffsets[fileIndex]; - size_t len = p->FileNameOffsets[fileIndex + 1] - offs; + const size_t offs = p->FileNameOffsets[fileIndex]; + const size_t len = p->FileNameOffsets[fileIndex + 1] - offs; if (dest != 0) { size_t i;