target/linux/generic/patches-2.6.37/511-debloat_lzma.patch

   1 --- a/include/linux/lzma/LzmaDec.h
   2 +++ b/include/linux/lzma/LzmaDec.h
   3 @@ -31,14 +31,6 @@ typedef struct _CLzmaProps
   4    UInt32 dicSize;
   5  } CLzmaProps;
   6
   7 -/* LzmaProps_Decode - decodes properties
   8 -Returns:
   9 -  SZ_OK
  10 -  SZ_ERROR_UNSUPPORTED - Unsupported properties
  11 -*/
  12 -
  13 -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size);
  14 -
  15
  16  /* ---------- LZMA Decoder state ---------- */
  17
  18 @@ -70,8 +62,6 @@ typedef struct
  19
  20  #define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; }
  21
  22 -void LzmaDec_Init(CLzmaDec *p);
  23 -
  24  /* There are two types of LZMA streams:
  25       0) Stream with end mark. That end mark adds about 6 bytes to compressed size.
  26       1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */
  27 @@ -108,97 +98,6 @@ typedef enum
  28
  29  /* ELzmaStatus is used only as output value for function call */
  30
  31 -
  32 -/* ---------- Interfaces ---------- */
  33 -
  34 -/* There are 3 levels of interfaces:
  35 -     1) Dictionary Interface
  36 -     2) Buffer Interface
  37 -     3) One Call Interface
  38 -   You can select any of these interfaces, but don't mix functions from different
  39 -   groups for same object. */
  40 -
  41 -
  42 -/* There are two variants to allocate state for Dictionary Interface:
  43 -     1) LzmaDec_Allocate / LzmaDec_Free
  44 -     2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs
  45 -   You can use variant 2, if you set dictionary buffer manually.
  46 -   For Buffer Interface you must always use variant 1.
  47 -
  48 -LzmaDec_Allocate* can return:
  49 -  SZ_OK
  50 -  SZ_ERROR_MEM         - Memory allocation error
  51 -  SZ_ERROR_UNSUPPORTED - Unsupported properties
  52 -*/
  53 -
  54 -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc);
  55 -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc);
  56 -
  57 -SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc);
  58 -void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc);
  59 -
  60 -/* ---------- Dictionary Interface ---------- */
  61 -
  62 -/* You can use it, if you want to eliminate the overhead for data copying from
  63 -   dictionary to some other external buffer.
  64 -   You must work with CLzmaDec variables directly in this interface.
  65 -
  66 -   STEPS:
  67 -     LzmaDec_Constr()
  68 -     LzmaDec_Allocate()
  69 -     for (each new stream)
  70 -     {
  71 -       LzmaDec_Init()
  72 -       while (it needs more decompression)
  73 -       {
  74 -         LzmaDec_DecodeToDic()
  75 -         use data from CLzmaDec::dic and update CLzmaDec::dicPos
  76 -       }
  77 -     }
  78 -     LzmaDec_Free()
  79 -*/
  80 -
  81 -/* LzmaDec_DecodeToDic
  82 -
  83 -   The decoding to internal dictionary buffer (CLzmaDec::dic).
  84 -   You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!!
  85 -
  86 -finishMode:
  87 -  It has meaning only if the decoding reaches output limit (dicLimit).
  88 -  LZMA_FINISH_ANY - Decode just dicLimit bytes.
  89 -  LZMA_FINISH_END - Stream must be finished after dicLimit.
  90 -
  91 -Returns:
  92 -  SZ_OK
  93 -    status:
  94 -      LZMA_STATUS_FINISHED_WITH_MARK
  95 -      LZMA_STATUS_NOT_FINISHED
  96 -      LZMA_STATUS_NEEDS_MORE_INPUT
  97 -      LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
  98 -  SZ_ERROR_DATA - Data error
  99 -*/
 100 -
 101 -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit,
 102 -    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
 103 -
 104 -
 105 -/* ---------- Buffer Interface ---------- */
 106 -
 107 -/* It's zlib-like interface.
 108 -   See LzmaDec_DecodeToDic description for information about STEPS and return results,
 109 -   but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need
 110 -   to work with CLzmaDec variables manually.
 111 -
 112 -finishMode:
 113 -  It has meaning only if the decoding reaches output limit (*destLen).
 114 -  LZMA_FINISH_ANY - Decode just destLen bytes.
 115 -  LZMA_FINISH_END - Stream must be finished after (*destLen).
 116 -*/
 117 -
 118 -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen,
 119 -    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
 120 -
 121 -
 122  /* ---------- One Call Interface ---------- */
 123
 124  /* LzmaDecode
 125 --- a/lib/lzma/LzmaDec.c
 126 +++ b/lib/lzma/LzmaDec.c
 127 @@ -682,7 +682,7 @@ static void LzmaDec_InitRc(CLzmaDec *p,
 128    p->needFlush = 0;
 129  }
 130
 131 -void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState)
 132 +static void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState)
 133  {
 134    p->needFlush = 1;
 135    p->remainLen = 0;
 136 @@ -698,7 +698,7 @@ void LzmaDec_InitDicAndState(CLzmaDec *p
 137      p->needInitState = 1;
 138  }
 139
 140 -void LzmaDec_Init(CLzmaDec *p)
 141 +static void LzmaDec_Init(CLzmaDec *p)
 142  {
 143    p->dicPos = 0;
 144    LzmaDec_InitDicAndState(p, True, True);
 145 @@ -716,7 +716,7 @@ static void LzmaDec_InitStateReal(CLzmaD
 146    p->needInitState = 0;
 147  }
 148
 149 -SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen,
 150 +static SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen,
 151      ELzmaFinishMode finishMode, ELzmaStatus *status)
 152  {
 153    SizeT inSize = *srcLen;
 154 @@ -837,7 +837,7 @@ SRes LzmaDec_DecodeToDic(CLzmaDec *p, Si
 155    return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA;
 156  }
 157
 158 -SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
 159 +static __maybe_unused SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
 160  {
 161    SizeT outSize = *destLen;
 162    SizeT inSize = *srcLen;
 163 @@ -877,7 +877,7 @@ SRes LzmaDec_DecodeToBuf(CLzmaDec *p, By
 164    }
 165  }
 166
 167 -void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
 168 +static void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
 169  {
 170    alloc->Free(alloc, p->probs);
 171    p->probs = 0;
 172 @@ -889,13 +889,13 @@ static void LzmaDec_FreeDict(CLzmaDec *p
 173    p->dic = 0;
 174  }
 175
 176 -void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc)
 177 +static void __maybe_unused LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc)
 178  {
 179    LzmaDec_FreeProbs(p, alloc);
 180    LzmaDec_FreeDict(p, alloc);
 181  }
 182
 183 -SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size)
 184 +static SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size)
 185  {
 186    UInt32 dicSize;
 187    Byte d;
 188 @@ -935,7 +935,7 @@ static SRes LzmaDec_AllocateProbs2(CLzma
 189    return SZ_OK;
 190  }
 191
 192 -SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
 193 +static SRes __maybe_unused LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
 194  {
 195    CLzmaProps propNew;
 196    RINOK(LzmaProps_Decode(&propNew, props, propsSize));
 197 @@ -944,7 +944,7 @@ SRes LzmaDec_AllocateProbs(CLzmaDec *p,
 198    return SZ_OK;
 199  }
 200
 201 -SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
 202 +static SRes __maybe_unused LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
 203  {
 204    CLzmaProps propNew;
 205    SizeT dicBufSize;
 206 --- a/include/linux/lzma/LzmaEnc.h
 207 +++ b/include/linux/lzma/LzmaEnc.h
 208 @@ -31,9 +31,6 @@ typedef struct _CLzmaEncProps
 209  } CLzmaEncProps;
 210
 211  void LzmaEncProps_Init(CLzmaEncProps *p);
 212 -void LzmaEncProps_Normalize(CLzmaEncProps *p);
 213 -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
 214 -
 215
 216  /* ---------- CLzmaEncHandle Interface ---------- */
 217
 218 @@ -53,26 +50,9 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc *
 219  void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
 220  SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
 221  SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
 222 -SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream,
 223 -    ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
 224  SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
 225      int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
 226
 227 -/* ---------- One Call Interface ---------- */
 228 -
 229 -/* LzmaEncode
 230 -Return code:
 231 -  SZ_OK               - OK
 232 -  SZ_ERROR_MEM        - Memory allocation error
 233 -  SZ_ERROR_PARAM      - Incorrect paramater
 234 -  SZ_ERROR_OUTPUT_EOF - output buffer overflow
 235 -  SZ_ERROR_THREAD     - errors in multithreading functions (only for Mt version)
 236 -*/
 237 -
 238 -SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
 239 -    const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
 240 -    ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
 241 -
 242  #ifdef __cplusplus
 243  }
 244  #endif
 245 --- a/lib/lzma/LzmaEnc.c
 246 +++ b/lib/lzma/LzmaEnc.c
 247 @@ -53,7 +53,7 @@ void LzmaEncProps_Init(CLzmaEncProps *p)
 248    p->writeEndMark = 0;
 249  }
 250
 251 -void LzmaEncProps_Normalize(CLzmaEncProps *p)
 252 +static void LzmaEncProps_Normalize(CLzmaEncProps *p)
 253  {
 254    int level = p->level;
 255    if (level < 0) level = 5;
 256 @@ -76,7 +76,7 @@ void LzmaEncProps_Normalize(CLzmaEncProp
 257        #endif
 258  }
 259
 260 -UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2)
 261 +static UInt32 __maybe_unused LzmaEncProps_GetDictSize(const CLzmaEncProps *props2)
 262  {
 263    CLzmaEncProps props = *props2;
 264    LzmaEncProps_Normalize(&props);
 265 @@ -93,7 +93,7 @@ UInt32 LzmaEncProps_GetDictSize(const CL
 266
 267  #define BSR2_RET(pos, res) { unsigned long i; _BitScanReverse(&i, (pos)); res = (i + i) + ((pos >> (i - 1)) & 1); }
 268
 269 -UInt32 GetPosSlot1(UInt32 pos)
 270 +static UInt32 GetPosSlot1(UInt32 pos)
 271  {
 272    UInt32 res;
 273    BSR2_RET(pos, res);
 274 @@ -107,7 +107,7 @@ UInt32 GetPosSlot1(UInt32 pos)
 275  #define kNumLogBits (9 + (int)sizeof(size_t) / 2)
 276  #define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7)
 277
 278 -void LzmaEnc_FastPosInit(Byte *g_FastPos)
 279 +static void LzmaEnc_FastPosInit(Byte *g_FastPos)
 280  {
 281    int c = 2, slotFast;
 282    g_FastPos[0] = 0;
 283 @@ -339,7 +339,7 @@ typedef struct
 284    CSaveState saveState;
 285  } CLzmaEnc;
 286
 287 -void LzmaEnc_SaveState(CLzmaEncHandle pp)
 288 +static void __maybe_unused LzmaEnc_SaveState(CLzmaEncHandle pp)
 289  {
 290    CLzmaEnc *p = (CLzmaEnc *)pp;
 291    CSaveState *dest = &p->saveState;
 292 @@ -365,7 +365,7 @@ void LzmaEnc_SaveState(CLzmaEncHandle pp
 293    memcpy(dest->litProbs, p->litProbs, (0x300 << p->lclp) * sizeof(CLzmaProb));
 294  }
 295
 296 -void LzmaEnc_RestoreState(CLzmaEncHandle pp)
 297 +static void __maybe_unused LzmaEnc_RestoreState(CLzmaEncHandle pp)
 298  {
 299    CLzmaEnc *dest = (CLzmaEnc *)pp;
 300    const CSaveState *p = &dest->saveState;
 301 @@ -600,7 +600,7 @@ static void LitEnc_EncodeMatched(CRangeE
 302    while (symbol < 0x10000);
 303  }
 304
 305 -void LzmaEnc_InitPriceTables(UInt32 *ProbPrices)
 306 +static void LzmaEnc_InitPriceTables(UInt32 *ProbPrices)
 307  {
 308    UInt32 i;
 309    for (i = (1 << kNumMoveReducingBits) / 2; i < kBitModelTotal; i += (1 << kNumMoveReducingBits))
 310 @@ -1676,7 +1676,7 @@ static void FillDistancesPrices(CLzmaEnc
 311    p->matchPriceCount = 0;
 312  }
 313
 314 -void LzmaEnc_Construct(CLzmaEnc *p)
 315 +static void LzmaEnc_Construct(CLzmaEnc *p)
 316  {
 317    RangeEnc_Construct(&p->rc);
 318    MatchFinder_Construct(&p->matchFinderBase);
 319 @@ -1709,7 +1709,7 @@ CLzmaEncHandle LzmaEnc_Create(ISzAlloc *
 320    return p;
 321  }
 322
 323 -void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc)
 324 +static void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAlloc *alloc)
 325  {
 326    alloc->Free(alloc, p->litProbs);
 327    alloc->Free(alloc, p->saveState.litProbs);
 328 @@ -2074,7 +2074,7 @@ SRes LzmaEnc_MemPrepare(CLzmaEncHandle p
 329    return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig);
 330  }
 331
 332 -void LzmaEnc_Finish(CLzmaEncHandle pp)
 333 +static void LzmaEnc_Finish(CLzmaEncHandle pp)
 334  {
 335    #ifndef _7ZIP_ST
 336    CLzmaEnc *p = (CLzmaEnc *)pp;
 337 @@ -2108,7 +2108,7 @@ static size_t MyWrite(void *pp, const vo
 338  }
 339
 340
 341 -UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp)
 342 +static UInt32 __maybe_unused LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp)
 343  {
 344    const CLzmaEnc *p = (CLzmaEnc *)pp;
 345    return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj);
 346 @@ -2120,7 +2120,7 @@ const Byte *LzmaEnc_GetCurBuf(CLzmaEncHa
 347    return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset;
 348  }
 349
 350 -SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,
 351 +static SRes __maybe_unused LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,
 352      Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize)
 353  {
 354    CLzmaEnc *p = (CLzmaEnc *)pp;
 355 @@ -2248,7 +2248,7 @@ SRes LzmaEnc_MemEncode(CLzmaEncHandle pp
 356    return res;
 357  }
 358
 359 -SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
 360 +static __maybe_unused SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
 361      const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
 362      ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig)
 363  {
 364 --- a/include/linux/lzma/LzFind.h
 365 +++ b/include/linux/lzma/LzFind.h
 366 @@ -55,11 +55,6 @@ typedef struct _CMatchFinder
 367
 368  #define Inline_MatchFinder_GetNumAvailableBytes(p) ((p)->streamPos - (p)->pos)
 369
 370 -int MatchFinder_NeedMove(CMatchFinder *p);
 371 -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p);
 372 -void MatchFinder_MoveBlock(CMatchFinder *p);
 373 -void MatchFinder_ReadIfRequired(CMatchFinder *p);
 374 -
 375  void MatchFinder_Construct(CMatchFinder *p);
 376
 377  /* Conditions:
 378 @@ -70,12 +65,6 @@ int MatchFinder_Create(CMatchFinder *p,
 379      UInt32 keepAddBufferBefore, UInt32 matchMaxLen, UInt32 keepAddBufferAfter,
 380      ISzAlloc *alloc);
 381  void MatchFinder_Free(CMatchFinder *p, ISzAlloc *alloc);
 382 -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems);
 383 -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue);
 384 -
 385 -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *buffer, CLzRef *son,
 386 -    UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue,
 387 -    UInt32 *distances, UInt32 maxLen);
 388
 389  /*
 390  Conditions:
 391 @@ -102,12 +91,6 @@ typedef struct _IMatchFinder
 392
 393  void MatchFinder_CreateVTable(CMatchFinder *p, IMatchFinder *vTable);
 394
 395 -void MatchFinder_Init(CMatchFinder *p);
 396 -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances);
 397 -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances);
 398 -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num);
 399 -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num);
 400 -
 401  #ifdef __cplusplus
 402  }
 403  #endif
 404 --- a/lib/lzma/LzFind.c
 405 +++ b/lib/lzma/LzFind.c
 406 @@ -42,12 +42,12 @@ static int LzInWindow_Create(CMatchFinde
 407    return (p->bufferBase != 0);
 408  }
 409
 410 -Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; }
 411 -Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; }
 412 +static Byte *MatchFinder_GetPointerToCurrentPos(CMatchFinder *p) { return p->buffer; }
 413 +static Byte MatchFinder_GetIndexByte(CMatchFinder *p, Int32 index) { return p->buffer[index]; }
 414
 415 -UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; }
 416 +static UInt32 MatchFinder_GetNumAvailableBytes(CMatchFinder *p) { return p->streamPos - p->pos; }
 417
 418 -void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue)
 419 +static void MatchFinder_ReduceOffsets(CMatchFinder *p, UInt32 subValue)
 420  {
 421    p->posLimit -= subValue;
 422    p->pos -= subValue;
 423 @@ -268,7 +268,7 @@ static void MatchFinder_SetLimits(CMatch
 424    p->posLimit = p->pos + limit;
 425  }
 426
 427 -void MatchFinder_Init(CMatchFinder *p)
 428 +static void MatchFinder_Init(CMatchFinder *p)
 429  {
 430    UInt32 i;
 431    for (i = 0; i < p->hashSizeSum; i++)
 432 @@ -287,7 +287,7 @@ static UInt32 MatchFinder_GetSubValue(CM
 433    return (p->pos - p->historySize - 1) & kNormalizeMask;
 434  }
 435
 436 -void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems)
 437 +static void MatchFinder_Normalize3(UInt32 subValue, CLzRef *items, UInt32 numItems)
 438  {
 439    UInt32 i;
 440    for (i = 0; i < numItems; i++)
 441 @@ -350,7 +350,7 @@ static UInt32 * Hc_GetMatchesSpec(UInt32
 442    }
 443  }
 444
 445 -UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son,
 446 +static UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, const Byte *cur, CLzRef *son,
 447      UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue,
 448      UInt32 *distances, UInt32 maxLen)
 449  {
 450 @@ -492,7 +492,7 @@ static UInt32 Bt2_MatchFinder_GetMatches
 451    GET_MATCHES_FOOTER(offset, 1)
 452  }
 453
 454 -UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
 455 +static __maybe_unused UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
 456  {
 457    UInt32 offset;
 458    GET_MATCHES_HEADER(3)
 459 @@ -632,7 +632,7 @@ static UInt32 Hc4_MatchFinder_GetMatches
 460    MOVE_POS_RET
 461  }
 462
 463 -UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
 464 +static __maybe_unused UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)
 465  {
 466    UInt32 offset;
 467    GET_MATCHES_HEADER(3)
 468 @@ -657,7 +657,7 @@ static void Bt2_MatchFinder_Skip(CMatchF
 469    while (--num != 0);
 470  }
 471
 472 -void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
 473 +static __maybe_unused void Bt3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
 474  {
 475    do
 476    {
 477 @@ -718,7 +718,7 @@ static void Hc4_MatchFinder_Skip(CMatchF
 478    while (--num != 0);
 479  }
 480
 481 -void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
 482 +static __maybe_unused void Hc3Zip_MatchFinder_Skip(CMatchFinder *p, UInt32 num)
 483  {
 484    do
 485    {