diff options
Diffstat (limited to 'target/linux/generic/patches-4.9/531-debloat_lzma.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/531-debloat_lzma.patch | 1024 |
1 files changed, 1024 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/531-debloat_lzma.patch b/target/linux/generic/patches-4.9/531-debloat_lzma.patch new file mode 100644 index 0000000..aa3c498 --- /dev/null +++ b/target/linux/generic/patches-4.9/531-debloat_lzma.patch @@ -0,0 +1,1024 @@ +--- a/include/linux/lzma/LzmaDec.h ++++ b/include/linux/lzma/LzmaDec.h +@@ -31,14 +31,6 @@ typedef struct _CLzmaProps + UInt32 dicSize; + } CLzmaProps; + +-/* LzmaProps_Decode - decodes properties +-Returns: +- SZ_OK +- SZ_ERROR_UNSUPPORTED - Unsupported properties +-*/ +- +-SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size); +- + + /* ---------- LZMA Decoder state ---------- */ + +@@ -70,8 +62,6 @@ typedef struct + + #define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; } + +-void LzmaDec_Init(CLzmaDec *p); +- + /* There are two types of LZMA streams: + 0) Stream with end mark. That end mark adds about 6 bytes to compressed size. + 1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */ +@@ -108,97 +98,6 @@ typedef enum + + /* ELzmaStatus is used only as output value for function call */ + +- +-/* ---------- Interfaces ---------- */ +- +-/* There are 3 levels of interfaces: +- 1) Dictionary Interface +- 2) Buffer Interface +- 3) One Call Interface +- You can select any of these interfaces, but don't mix functions from different +- groups for same object. */ +- +- +-/* There are two variants to allocate state for Dictionary Interface: +- 1) LzmaDec_Allocate / LzmaDec_Free +- 2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs +- You can use variant 2, if you set dictionary buffer manually. +- For Buffer Interface you must always use variant 1. +- +-LzmaDec_Allocate* can return: +- SZ_OK +- SZ_ERROR_MEM - Memory allocation error +- SZ_ERROR_UNSUPPORTED - Unsupported properties +-*/ +- +-SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc); +-void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc); +- +-SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc); +-void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc); +- +-/* ---------- Dictionary Interface ---------- */ +- +-/* You can use it, if you want to eliminate the overhead for data copying from +- dictionary to some other external buffer. +- You must work with CLzmaDec variables directly in this interface. +- +- STEPS: +- LzmaDec_Constr() +- LzmaDec_Allocate() +- for (each new stream) +- { +- LzmaDec_Init() +- while (it needs more decompression) +- { +- LzmaDec_DecodeToDic() +- use data from CLzmaDec::dic and update CLzmaDec::dicPos +- } +- } +- LzmaDec_Free() +-*/ +- +-/* LzmaDec_DecodeToDic +- +- The decoding to internal dictionary buffer (CLzmaDec::dic). +- You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!! +- +-finishMode: +- It has meaning only if the decoding reaches output limit (dicLimit). +- LZMA_FINISH_ANY - Decode just dicLimit bytes. +- LZMA_FINISH_END - Stream must be finished after dicLimit. +- +-Returns: +- SZ_OK +- status: +- LZMA_STATUS_FINISHED_WITH_MARK +- LZMA_STATUS_NOT_FINISHED +- LZMA_STATUS_NEEDS_MORE_INPUT +- LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK +- SZ_ERROR_DATA - Data error +-*/ +- +-SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, +- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); +- +- +-/* ---------- Buffer Interface ---------- */ +- +-/* It's zlib-like interface. +- See LzmaDec_DecodeToDic description for information about STEPS and return results, +- but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need +- to work with CLzmaDec variables manually. +- +-finishMode: +- It has meaning only if the decoding reaches output limit (*destLen). +- LZMA_FINISH_ANY - Decode just destLen bytes. +- LZMA_FINISH_END - Stream must be finished after (*destLen). +-*/ +- +-SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, +- const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); +- +- + /* ---------- One Call Interface ---------- */ + + /* LzmaDecode +--- a/lib/lzma/LzmaDec.c ++++ b/lib/lzma/LzmaDec.c +@@ -682,7 +682,7 @@ static void LzmaDec_InitRc(CLzmaDec *p, + p->needFlush = 0; + } + +-void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) ++static void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState) + { + p->needFlush = 1; + p->remainLen = 0; +@@ -698,7 +698,7 @@ void LzmaDec_InitDicAndState(CLzmaDec *p + p->needInitState = 1; + } + +-void LzmaDec_Init(CLzmaDec *p) ++static void LzmaDec_Init(CLzmaDec *p) + { + p->dicPos = 0; + LzmaDec_InitDicAndState(p, True, True); +@@ -716,7 +716,7 @@ static void LzmaDec_InitStateReal(CLzmaD + p->needInitState = 0; + } + +-SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, ++static SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen, + ELzmaFinishMode finishMode, ELzmaStatus *status) + { + SizeT inSize = *srcLen; +@@ -837,65 +837,13 @@ SRes LzmaDec_DecodeToDic(CLzmaDec *p, Si + return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA; + } + +-SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status) +-{ +- SizeT outSize = *destLen; +- SizeT inSize = *srcLen; +- *srcLen = *destLen = 0; +- for (;;) +- { +- SizeT inSizeCur = inSize, outSizeCur, dicPos; +- ELzmaFinishMode curFinishMode; +- SRes res; +- if (p->dicPos == p->dicBufSize) +- p->dicPos = 0; +- dicPos = p->dicPos; +- if (outSize > p->dicBufSize - dicPos) +- { +- outSizeCur = p->dicBufSize; +- curFinishMode = LZMA_FINISH_ANY; +- } +- else +- { +- outSizeCur = dicPos + outSize; +- curFinishMode = finishMode; +- } +- +- res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status); +- src += inSizeCur; +- inSize -= inSizeCur; +- *srcLen += inSizeCur; +- outSizeCur = p->dicPos - dicPos; +- memcpy(dest, p->dic + dicPos, outSizeCur); +- dest += outSizeCur; +- outSize -= outSizeCur; +- *destLen += outSizeCur; +- if (res != 0) +- return res; +- if (outSizeCur == 0 || outSize == 0) +- return SZ_OK; +- } +-} +- +-void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) ++static void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc) + { + alloc->Free(alloc, p->probs); + p->probs = 0; + } + +-static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc) +-{ +- alloc->Free(alloc, p->dic); +- p->dic = 0; +-} +- +-void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc) +-{ +- LzmaDec_FreeProbs(p, alloc); +- LzmaDec_FreeDict(p, alloc); +-} +- +-SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) ++static SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size) + { + UInt32 dicSize; + Byte d; +@@ -935,7 +883,7 @@ static SRes LzmaDec_AllocateProbs2(CLzma + return SZ_OK; + } + +-SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) ++static SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) + { + CLzmaProps propNew; + RINOK(LzmaProps_Decode(&propNew, props, propsSize)); +@@ -943,28 +891,6 @@ SRes LzmaDec_AllocateProbs(CLzmaDec *p, + p->prop = propNew; + return SZ_OK; + } +- +-SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc) +-{ +- CLzmaProps propNew; +- SizeT dicBufSize; +- RINOK(LzmaProps_Decode(&propNew, props, propsSize)); +- RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc)); +- dicBufSize = propNew.dicSize; +- if (p->dic == 0 || dicBufSize != p->dicBufSize) +- { +- LzmaDec_FreeDict(p, alloc); +- p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize); +- if (p->dic == 0) +- { +- LzmaDec_FreeProbs(p, alloc); +- return SZ_ERROR_MEM; +- } +- } +- p->dicBufSize = dicBufSize; +- p->prop = propNew; +- return SZ_OK; +-} + + SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, + const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode, +--- a/include/linux/lzma/LzmaEnc.h ++++ b/include/linux/lzma/LzmaEnc.h +@@ -31,9 +31,6 @@ typedef struct _CLzmaEncProps + } CLzmaEncProps; + + void LzmaEncProps_Init(CLzmaEncProps *p); +-void LzmaEncProps_Normalize(CLzmaEncProps *p); +-UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2); +- + + /* ---------- CLzmaEncHandle Interface ---------- */ + +@@ -53,26 +50,9 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc * + void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig); + SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props); + SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size); +-SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, +- ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); + SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, + int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); + +-/* ---------- One Call Interface ---------- */ +- +-/* LzmaEncode +-Return code: +- SZ_OK - OK +- SZ_ERROR_MEM - Memory allocation error +- SZ_ERROR_PARAM - Incorrect paramater +- SZ_ERROR_OUTPUT_EOF - output buffer overflow +- SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version) +-*/ +- +-SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, +- const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, +- ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig); +- + #ifdef __cplusplus + } + #endif +--- a/lib/lzma/LzmaEnc.c ++++ b/lib/lzma/LzmaEnc.c +@@ -53,7 +53,7 @@ void LzmaEncProps_Init(CLzmaEncProps *p) + p->writeEndMark = 0; + } + +-void LzmaEncProps_Normalize(CLzmaEncProps *p) ++static void LzmaEncProps_Normalize(CLzmaEncProps *p) + { + int level = p->level; + if (level < 0) level = 5; +@@ -76,7 +76,7 @@ void LzmaEncProps_Normalize(CLzmaEncProp + #endif + } + +-UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) ++static UInt32 __maybe_unused LzmaEncProps_GetDictSize(const CLzmaEncProps *props2) + { + CLzmaEncProps props = *props2; + LzmaEncProps_Normalize(&props); +@@ -93,7 +93,7 @@ UInt32 LzmaEncProps_GetDictSize(const CL + + #define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); } + +-UInt32 GetPosSlot1(UInt32 pos) ++static UInt32 GetPosSlot1(UInt32 pos) + { + UInt32 res; + BSR2_RET(pos, res); +@@ -107,7 +107,7 @@ UInt32 GetPosSlot1(UInt32 pos) + #define kNumLogBits (9 + (int)sizeof(size_t) / 2) + #define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7) + +-void LzmaEnc_FastPosInit(Byte *g_FastPos) ++static void LzmaEnc_FastPosInit(Byte *g_FastPos) + { + int c = 2, slotFast; + g_FastPos[0] = 0; +@@ -339,58 +339,6 @@ typedef struct + CSaveState saveState; + } CLzmaEnc; + +-void LzmaEnc_SaveState(CLzmaEncHandle pp) +-{ +- CLzmaEnc *p = (CLzmaEnc *)pp; +- CSaveState *dest = &p->saveState; +- int i; +- dest->lenEnc = p->lenEnc; +- dest->repLenEnc = p->repLenEnc; +- dest->state = p->state; +- +- for (i = 0; i < kNumStates; i++) +- { +- memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); +- memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); +- } +- for (i = 0; i < kNumLenToPosStates; i++) +- memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); +- memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); +- memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); +- memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); +- memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); +- memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); +- memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); +- memcpy(dest->reps, p->reps, sizeof(p->reps)); +- memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb)); +-} +- +-void LzmaEnc_RestoreState(CLzmaEncHandle pp) +-{ +- CLzmaEnc *dest = (CLzmaEnc *)pp; +- const CSaveState *p = &dest->saveState; +- int i; +- dest->lenEnc = p->lenEnc; +- dest->repLenEnc = p->repLenEnc; +- dest->state = p->state; +- +- for (i = 0; i < kNumStates; i++) +- { +- memcpy(dest->isMatch[i], p->isMatch[i], sizeof(p->isMatch[i])); +- memcpy(dest->isRep0Long[i], p->isRep0Long[i], sizeof(p->isRep0Long[i])); +- } +- for (i = 0; i < kNumLenToPosStates; i++) +- memcpy(dest->posSlotEncoder[i], p->posSlotEncoder[i], sizeof(p->posSlotEncoder[i])); +- memcpy(dest->isRep, p->isRep, sizeof(p->isRep)); +- memcpy(dest->isRepG0, p->isRepG0, sizeof(p->isRepG0)); +- memcpy(dest->isRepG1, p->isRepG1, sizeof(p->isRepG1)); +- memcpy(dest->isRepG2, p->isRepG2, sizeof(p->isRepG2)); +- memcpy(dest->posEncoders, p->posEncoders, sizeof(p->posEncoders)); +- memcpy(dest->posAlignEncoder, p->posAlignEncoder, sizeof(p->posAlignEncoder)); +- memcpy(dest->reps, p->reps, sizeof(p->reps)); +- memcpy(dest->litProbs, p->litProbs, (0x300 << dest->lclp) * sizeof(CLzmaProb)); +-} +- + SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2) + { + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -600,7 +548,7 @@ static void LitEnc_EncodeMatched(CRangeE + while (symbol < 0x10000); + } + +-void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) ++static void LzmaEnc_InitPriceTables(UInt32 *ProbPrices) + { + UInt32 i; + for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits)) +@@ -1676,7 +1624,7 @@ static void FillDistancesPrices(CLzmaEnc + p->matchPriceCount = 0; + } + +-void LzmaEnc_Construct(CLzmaEnc *p) ++static void LzmaEnc_Construct(CLzmaEnc *p) + { + RangeEnc_Construct(&p->rc); + MatchFinder_Construct(&p->matchFinderBase); +@@ -1709,7 +1657,7 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc * + return p; + } + +-void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) ++static void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc) + { + alloc->Free(alloc, p->litProbs); + alloc->Free(alloc, p->saveState.litProbs); +@@ -1717,7 +1665,7 @@ void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAl + p->saveState.litProbs = 0; + } + +-void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig) ++static void LzmaEnc_Destruct(CLzmaEnc *p, ISzAlloc *alloc, ISzAlloc *allocBig) + { + #ifndef _7ZIP_ST + MatchFinderMt_Destruct(&p->matchFinderMt, allocBig); +@@ -1947,7 +1895,7 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, U + return SZ_OK; + } + +-void LzmaEnc_Init(CLzmaEnc *p) ++static void LzmaEnc_Init(CLzmaEnc *p) + { + UInt32 i; + p->state = 0; +@@ -2005,7 +1953,7 @@ void LzmaEnc_Init(CLzmaEnc *p) + p->lpMask = (1 << p->lp) - 1; + } + +-void LzmaEnc_InitPrices(CLzmaEnc *p) ++static void LzmaEnc_InitPrices(CLzmaEnc *p) + { + if (!p->fastMode) + { +@@ -2037,26 +1985,6 @@ static SRes LzmaEnc_AllocAndInit(CLzmaEn + return SZ_OK; + } + +-static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, +- ISzAlloc *alloc, ISzAlloc *allocBig) +-{ +- CLzmaEnc *p = (CLzmaEnc *)pp; +- p->matchFinderBase.stream = inStream; +- p->needInit = 1; +- p->rc.outStream = outStream; +- return LzmaEnc_AllocAndInit(p, 0, alloc, allocBig); +-} +- +-SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, +- ISeqInStream *inStream, UInt32 keepWindowSize, +- ISzAlloc *alloc, ISzAlloc *allocBig) +-{ +- CLzmaEnc *p = (CLzmaEnc *)pp; +- p->matchFinderBase.stream = inStream; +- p->needInit = 1; +- return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); +-} +- + static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen) + { + p->matchFinderBase.directInput = 1; +@@ -2064,7 +1992,7 @@ static void LzmaEnc_SetInputBuf(CLzmaEnc + p->matchFinderBase.directInputRem = srcLen; + } + +-SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, ++static SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen, + UInt32 keepWindowSize, ISzAlloc *alloc, ISzAlloc *allocBig) + { + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -2074,7 +2002,7 @@ SRes LzmaEnc_MemPrepare(CLzmaEncHandle p + return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig); + } + +-void LzmaEnc_Finish(CLzmaEncHandle pp) ++static void LzmaEnc_Finish(CLzmaEncHandle pp) + { + #ifndef _7ZIP_ST + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -2107,53 +2035,6 @@ static size_t MyWrite(void *pp, const vo + return size; + } + +- +-UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp) +-{ +- const CLzmaEnc *p = (CLzmaEnc *)pp; +- return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj); +-} +- +-const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp) +-{ +- const CLzmaEnc *p = (CLzmaEnc *)pp; +- return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset; +-} +- +-SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit, +- Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize) +-{ +- CLzmaEnc *p = (CLzmaEnc *)pp; +- UInt64 nowPos64; +- SRes res; +- CSeqOutStreamBuf outStream; +- +- outStream.funcTable.Write = MyWrite; +- outStream.data = dest; +- outStream.rem = *destLen; +- outStream.overflow = False; +- +- p->writeEndMark = False; +- p->finished = False; +- p->result = SZ_OK; +- +- if (reInit) +- LzmaEnc_Init(p); +- LzmaEnc_InitPrices(p); +- nowPos64 = p->nowPos64; +- RangeEnc_Init(&p->rc); +- p->rc.outStream = &outStream.funcTable; +- +- res = LzmaEnc_CodeOneBlock(p, True, desiredPackSize, *unpackSize); +- +- *unpackSize = (UInt32)(p->nowPos64 - nowPos64); +- *destLen -= outStream.rem; +- if (outStream.overflow) +- return SZ_ERROR_OUTPUT_EOF; +- +- return res; +-} +- + static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress) + { + SRes res = SZ_OK; +@@ -2184,13 +2065,6 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, + return res; + } + +-SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress, +- ISzAlloc *alloc, ISzAlloc *allocBig) +-{ +- RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig)); +- return LzmaEnc_Encode2((CLzmaEnc *)pp, progress); +-} +- + SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size) + { + CLzmaEnc *p = (CLzmaEnc *)pp; +@@ -2247,25 +2121,3 @@ SRes LzmaEnc_MemEncode(CLzmaEncHandle pp + return SZ_ERROR_OUTPUT_EOF; + return res; + } +- +-SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen, +- const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark, +- ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig) +-{ +- CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc); +- SRes res; +- if (p == 0) +- return SZ_ERROR_MEM; +- +- res = LzmaEnc_SetProps(p, props); +- if (res == SZ_OK) +- { +- res = LzmaEnc_WriteProperties(p, propsEncoded, propsSize); +- if (res == SZ_OK) +- res = LzmaEnc_MemEncode(p, dest, destLen, src, srcLen, +- writeEndMark, progress, alloc, allocBig); +- } +- +- LzmaEnc_Destroy(p, alloc, allocBig); +- return res; +-} +--- a/include/linux/lzma/LzFind.h ++++ b/include/linux/lzma/LzFind.h +@@ -55,11 +55,6 @@ typedef struct _CMatchFinder + + #define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos) + +-int MatchFinder_NeedMove(CMatchFinder *p); +-Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p); +-void MatchFinder_MoveBlock(CMatchFinder *p); +-void MatchFinder_ReadIfRequired(CMatchFinder *p); +- + void MatchFinder_Construct(CMatchFinder *p); + + /* Conditions: +@@ -70,12 +65,6 @@ int MatchFinder_Create(CMatchFinder *p, + UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter, + ISzAlloc *alloc); + void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc); +-void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems); +-void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue); +- +-UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son, +- UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue, +- UInt32 *distances, UInt32 maxLen); + + /* + Conditions: +@@ -102,12 +91,6 @@ typedef struct _IMatchFinder + + void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable); + +-void MatchFinder_Init(CMatchFinder *p); +-UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); +-UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances); +-void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); +-void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num); +- + #ifdef __cplusplus + } + #endif +--- a/lib/lzma/LzFind.c ++++ b/lib/lzma/LzFind.c +@@ -14,9 +14,15 @@ + + #define kStartMaxLen 3 + ++#if 0 ++#define DIRECT_INPUT p->directInput ++#else ++#define DIRECT_INPUT 1 ++#endif ++ + static void LzInWindow_Free(CMatchFinder *p, ISzAlloc *alloc) + { +- if (!p->directInput) ++ if (!DIRECT_INPUT) + { + alloc->Free(alloc, p->bufferBase); + p->bufferBase = 0; +@@ -28,7 +34,7 @@ static void LzInWindow_Free(CMatchFinder + static int LzInWindow_Create(CMatchFinder *p, UInt32 keepSizeReserv, ISzAlloc *alloc) + { + UInt32 blockSize = p->keepSizeBefore + p->keepSizeAfter + keepSizeReserv; +- if (p->directInput) ++ if (DIRECT_INPUT) + { + p->blockSize = blockSize; + return 1; +@@ -42,12 +48,12 @@ static int LzInWindow_Create(CMatchFinde + return (p->bufferBase != 0); + } + +-Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } +-Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } ++static Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; } ++static Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; } + +-UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } ++static UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; } + +-void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) ++static void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue) + { + p->posLimit -= subValue; + p->pos -= subValue; +@@ -58,7 +64,7 @@ static void MatchFinder_ReadBlock(CMatch + { + if (p->streamEndWasReached || p->result != SZ_OK) + return; +- if (p->directInput) ++ if (DIRECT_INPUT) + { + UInt32 curSize = 0xFFFFFFFF - p->streamPos; + if (curSize > p->directInputRem) +@@ -89,7 +95,7 @@ static void MatchFinder_ReadBlock(CMatch + } + } + +-void MatchFinder_MoveBlock(CMatchFinder *p) ++static void MatchFinder_MoveBlock(CMatchFinder *p) + { + memmove(p->bufferBase, + p->buffer - p->keepSizeBefore, +@@ -97,22 +103,14 @@ void MatchFinder_MoveBlock(CMatchFinder + p->buffer = p->bufferBase + p->keepSizeBefore; + } + +-int MatchFinder_NeedMove(CMatchFinder *p) ++static int MatchFinder_NeedMove(CMatchFinder *p) + { +- if (p->directInput) ++ if (DIRECT_INPUT) + return 0; + /* if (p->streamEndWasReached) return 0; */ + return ((size_t)(p->bufferBase + p->blockSize - p->buffer) <= p->keepSizeAfter); + } + +-void MatchFinder_ReadIfRequired(CMatchFinder *p) +-{ +- if (p->streamEndWasReached) +- return; +- if (p->keepSizeAfter >= p->streamPos - p->pos) +- MatchFinder_ReadBlock(p); +-} +- + static void MatchFinder_CheckAndMoveAndRead(CMatchFinder *p) + { + if (MatchFinder_NeedMove(p)) +@@ -268,7 +266,7 @@ static void MatchFinder_SetLimits(CMatch + p->posLimit = p->pos + limit; + } + +-void MatchFinder_Init(CMatchFinder *p) ++static void MatchFinder_Init(CMatchFinder *p) + { + UInt32 i; + for (i = 0; i < p->hashSizeSum; i++) +@@ -287,7 +285,7 @@ static UInt32 MatchFinder_GetSubValue(CM + return (p->pos - p->historySize - 1) & kNormalizeMask; + } + +-void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) ++static void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems) + { + UInt32 i; + for (i = 0; i < numItems; i++) +@@ -319,38 +317,7 @@ static void MatchFinder_CheckLimits(CMat + MatchFinder_SetLimits(p); + } + +-static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, +- UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, +- UInt32 *distances, UInt32 maxLen) +-{ +- son[_cyclicBufferPos] = curMatch; +- for (;;) +- { +- UInt32 delta = pos - curMatch; +- if (cutValue-- == 0 || delta >= _cyclicBufferSize) +- return distances; +- { +- const Byte *pb = cur - delta; +- curMatch = son[_cyclicBufferPos - delta + ((delta > _cyclicBufferPos) ? _cyclicBufferSize : 0)]; +- if (pb[maxLen] == cur[maxLen] && *pb == *cur) +- { +- UInt32 len = 0; +- while (++len != lenLimit) +- if (pb[len] != cur[len]) +- break; +- if (maxLen < len) +- { +- *distances++ = maxLen = len; +- *distances++ = delta - 1; +- if (len == lenLimit) +- return distances; +- } +- } +- } +- } +-} +- +-UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, ++static UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son, + UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue, + UInt32 *distances, UInt32 maxLen) + { +@@ -460,10 +427,10 @@ static void SkipMatchesSpec(UInt32 lenLi + p->buffer++; \ + if (++p->pos == p->posLimit) MatchFinder_CheckLimits(p); + +-#define MOVE_POS_RET MOVE_POS return offset; +- + static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; } + ++#define MOVE_POS_RET MatchFinder_MovePos(p); return offset; ++ + #define GET_MATCHES_HEADER2(minLen, ret_op) \ + UInt32 lenLimit; UInt32 hashValue; const Byte *cur; UInt32 curMatch; \ + lenLimit = p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos(p); ret_op; }} \ +@@ -479,62 +446,7 @@ static void MatchFinder_MovePos(CMatchFi + distances + offset, maxLen) - distances); MOVE_POS_RET; + + #define SKIP_FOOTER \ +- SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS; +- +-static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) +-{ +- UInt32 offset; +- GET_MATCHES_HEADER(2) +- HASH2_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- offset = 0; +- GET_MATCHES_FOOTER(offset, 1) +-} +- +-UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) +-{ +- UInt32 offset; +- GET_MATCHES_HEADER(3) +- HASH_ZIP_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- offset = 0; +- GET_MATCHES_FOOTER(offset, 2) +-} +- +-static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) +-{ +- UInt32 hash2Value, delta2, maxLen, offset; +- GET_MATCHES_HEADER(3) +- +- HASH3_CALC; +- +- delta2 = p->pos - p->hash[hash2Value]; +- curMatch = p->hash[kFix3HashSize + hashValue]; +- +- p->hash[hash2Value] = +- p->hash[kFix3HashSize + hashValue] = p->pos; +- +- +- maxLen = 2; +- offset = 0; +- if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) +- { +- for (; maxLen != lenLimit; maxLen++) +- if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) +- break; +- distances[0] = maxLen; +- distances[1] = delta2 - 1; +- offset = 2; +- if (maxLen == lenLimit) +- { +- SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); +- MOVE_POS_RET; +- } +- } +- GET_MATCHES_FOOTER(offset, maxLen) +-} ++ SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MatchFinder_MovePos(p); + + static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) + { +@@ -583,108 +495,6 @@ static UInt32 Bt4_MatchFinder_GetMatches + GET_MATCHES_FOOTER(offset, maxLen) + } + +-static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) +-{ +- UInt32 hash2Value, hash3Value, delta2, delta3, maxLen, offset; +- GET_MATCHES_HEADER(4) +- +- HASH4_CALC; +- +- delta2 = p->pos - p->hash[ hash2Value]; +- delta3 = p->pos - p->hash[kFix3HashSize + hash3Value]; +- curMatch = p->hash[kFix4HashSize + hashValue]; +- +- p->hash[ hash2Value] = +- p->hash[kFix3HashSize + hash3Value] = +- p->hash[kFix4HashSize + hashValue] = p->pos; +- +- maxLen = 1; +- offset = 0; +- if (delta2 < p->cyclicBufferSize && *(cur - delta2) == *cur) +- { +- distances[0] = maxLen = 2; +- distances[1] = delta2 - 1; +- offset = 2; +- } +- if (delta2 != delta3 && delta3 < p->cyclicBufferSize && *(cur - delta3) == *cur) +- { +- maxLen = 3; +- distances[offset + 1] = delta3 - 1; +- offset += 2; +- delta2 = delta3; +- } +- if (offset != 0) +- { +- for (; maxLen != lenLimit; maxLen++) +- if (cur[(ptrdiff_t)maxLen - delta2] != cur[maxLen]) +- break; +- distances[offset - 2] = maxLen; +- if (maxLen == lenLimit) +- { +- p->son[p->cyclicBufferPos] = curMatch; +- MOVE_POS_RET; +- } +- } +- if (maxLen < 3) +- maxLen = 3; +- offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), +- distances + offset, maxLen) - (distances)); +- MOVE_POS_RET +-} +- +-UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances) +-{ +- UInt32 offset; +- GET_MATCHES_HEADER(3) +- HASH_ZIP_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- offset = (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p), +- distances, 2) - (distances)); +- MOVE_POS_RET +-} +- +-static void Bt2_MatchFinder_Skip(CMatchFinder *p, UInt32 num) +-{ +- do +- { +- SKIP_HEADER(2) +- HASH2_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- SKIP_FOOTER +- } +- while (--num != 0); +-} +- +-void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) +-{ +- do +- { +- SKIP_HEADER(3) +- HASH_ZIP_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- SKIP_FOOTER +- } +- while (--num != 0); +-} +- +-static void Bt3_MatchFinder_Skip(CMatchFinder *p, UInt32 num) +-{ +- do +- { +- UInt32 hash2Value; +- SKIP_HEADER(3) +- HASH3_CALC; +- curMatch = p->hash[kFix3HashSize + hashValue]; +- p->hash[hash2Value] = +- p->hash[kFix3HashSize + hashValue] = p->pos; +- SKIP_FOOTER +- } +- while (--num != 0); +-} +- + static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) + { + do +@@ -701,61 +511,12 @@ static void Bt4_MatchFinder_Skip(CMatchF + while (--num != 0); + } + +-static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt32 num) +-{ +- do +- { +- UInt32 hash2Value, hash3Value; +- SKIP_HEADER(4) +- HASH4_CALC; +- curMatch = p->hash[kFix4HashSize + hashValue]; +- p->hash[ hash2Value] = +- p->hash[kFix3HashSize + hash3Value] = +- p->hash[kFix4HashSize + hashValue] = p->pos; +- p->son[p->cyclicBufferPos] = curMatch; +- MOVE_POS +- } +- while (--num != 0); +-} +- +-void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num) +-{ +- do +- { +- SKIP_HEADER(3) +- HASH_ZIP_CALC; +- curMatch = p->hash[hashValue]; +- p->hash[hashValue] = p->pos; +- p->son[p->cyclicBufferPos] = curMatch; +- MOVE_POS +- } +- while (--num != 0); +-} +- + void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable) + { + vTable->Init = (Mf_Init_Func)MatchFinder_Init; + vTable->GetIndexByte = (Mf_GetIndexByte_Func)MatchFinder_GetIndexByte; + vTable->GetNumAvailableBytes = (Mf_GetNumAvailableBytes_Func)MatchFinder_GetNumAvailableBytes; + vTable->GetPointerToCurrentPos = (Mf_GetPointerToCurrentPos_Func)MatchFinder_GetPointerToCurrentPos; +- if (!p->btMode) +- { +- vTable->GetMatches = (Mf_GetMatches_Func)Hc4_MatchFinder_GetMatches; +- vTable->Skip = (Mf_Skip_Func)Hc4_MatchFinder_Skip; +- } +- else if (p->numHashBytes == 2) +- { +- vTable->GetMatches = (Mf_GetMatches_Func)Bt2_MatchFinder_GetMatches; +- vTable->Skip = (Mf_Skip_Func)Bt2_MatchFinder_Skip; +- } +- else if (p->numHashBytes == 3) +- { +- vTable->GetMatches = (Mf_GetMatches_Func)Bt3_MatchFinder_GetMatches; +- vTable->Skip = (Mf_Skip_Func)Bt3_MatchFinder_Skip; +- } +- else +- { +- vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches; +- vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip; +- } ++ vTable->GetMatches = (Mf_GetMatches_Func)Bt4_MatchFinder_GetMatches; ++ vTable->Skip = (Mf_Skip_Func)Bt4_MatchFinder_Skip; + } |