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| author | Igor Pavlov <87184205+ip7z@users.noreply.github.com> | 2023-06-21 00:00:00 +0000 |
|---|---|---|
| committer | Igor Pavlov <87184205+ip7z@users.noreply.github.com> | 2023-12-17 14:59:19 +0500 |
| commit | 5b39dc76f1bc82f941d5c800ab9f34407a06b53a (patch) | |
| tree | fe5e17420300b715021a76328444088d32047963 /CPP/Common/CrcReg.cpp | |
| parent | 93be7d4abfd4233228f58ee1fbbcd76d91be66a4 (diff) | |
| download | 7zip-5b39dc76f1bc82f941d5c800ab9f34407a06b53a.tar.gz 7zip-5b39dc76f1bc82f941d5c800ab9f34407a06b53a.tar.bz2 7zip-5b39dc76f1bc82f941d5c800ab9f34407a06b53a.zip | |
23.0123.01
Diffstat (limited to 'CPP/Common/CrcReg.cpp')
| -rw-r--r-- | CPP/Common/CrcReg.cpp | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/CPP/Common/CrcReg.cpp b/CPP/Common/CrcReg.cpp index fdbba77..6cda892 100644 --- a/CPP/Common/CrcReg.cpp +++ b/CPP/Common/CrcReg.cpp | |||
| @@ -11,42 +11,39 @@ | |||
| 11 | 11 | ||
| 12 | EXTERN_C_BEGIN | 12 | EXTERN_C_BEGIN |
| 13 | 13 | ||
| 14 | typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table); | 14 | // UInt32 Z7_FASTCALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table); |
| 15 | |||
| 16 | UInt32 MY_FAST_CALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table); | ||
| 17 | 15 | ||
| 18 | extern CRC_FUNC g_CrcUpdate; | 16 | extern CRC_FUNC g_CrcUpdate; |
| 19 | extern CRC_FUNC g_CrcUpdateT4; | 17 | // extern CRC_FUNC g_CrcUpdateT4; |
| 20 | extern CRC_FUNC g_CrcUpdateT8; | 18 | extern CRC_FUNC g_CrcUpdateT8; |
| 21 | extern CRC_FUNC g_CrcUpdateT0_32; | 19 | extern CRC_FUNC g_CrcUpdateT0_32; |
| 22 | extern CRC_FUNC g_CrcUpdateT0_64; | 20 | extern CRC_FUNC g_CrcUpdateT0_64; |
| 23 | 21 | ||
| 24 | EXTERN_C_END | 22 | EXTERN_C_END |
| 25 | 23 | ||
| 26 | class CCrcHasher: | 24 | Z7_CLASS_IMP_COM_2( |
| 27 | public IHasher, | 25 | CCrcHasher |
| 28 | public ICompressSetCoderProperties, | 26 | , IHasher |
| 29 | public CMyUnknownImp | 27 | , ICompressSetCoderProperties |
| 30 | { | 28 | ) |
| 31 | UInt32 _crc; | 29 | UInt32 _crc; |
| 32 | CRC_FUNC _updateFunc; | 30 | CRC_FUNC _updateFunc; |
| 33 | Byte mtDummy[1 << 7]; | 31 | |
| 34 | 32 | Z7_CLASS_NO_COPY(CCrcHasher) | |
| 33 | |||
| 35 | bool SetFunctions(UInt32 tSize); | 34 | bool SetFunctions(UInt32 tSize); |
| 36 | public: | 35 | public: |
| 37 | CCrcHasher(): _crc(CRC_INIT_VAL) { SetFunctions(0); } | 36 | Byte _mtDummy[1 << 7]; // it's public to eliminate clang warning: unused private field |
| 38 | 37 | ||
| 39 | MY_UNKNOWN_IMP2(IHasher, ICompressSetCoderProperties) | 38 | CCrcHasher(): _crc(CRC_INIT_VAL) { SetFunctions(0); } |
| 40 | INTERFACE_IHasher(;) | ||
| 41 | STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps); | ||
| 42 | }; | 39 | }; |
| 43 | 40 | ||
| 44 | bool CCrcHasher::SetFunctions(UInt32 tSize) | 41 | bool CCrcHasher::SetFunctions(UInt32 tSize) |
| 45 | { | 42 | { |
| 46 | CRC_FUNC f = NULL; | 43 | CRC_FUNC f = NULL; |
| 47 | if (tSize == 0) f = g_CrcUpdate; | 44 | if (tSize == 0) f = g_CrcUpdate; |
| 48 | else if (tSize == 1) f = CrcUpdateT1; | 45 | // else if (tSize == 1) f = CrcUpdateT1; |
| 49 | else if (tSize == 4) f = g_CrcUpdateT4; | 46 | // else if (tSize == 4) f = g_CrcUpdateT4; |
| 50 | else if (tSize == 8) f = g_CrcUpdateT8; | 47 | else if (tSize == 8) f = g_CrcUpdateT8; |
| 51 | else if (tSize == 32) f = g_CrcUpdateT0_32; | 48 | else if (tSize == 32) f = g_CrcUpdateT0_32; |
| 52 | else if (tSize == 64) f = g_CrcUpdateT0_64; | 49 | else if (tSize == 64) f = g_CrcUpdateT0_64; |
| @@ -60,13 +57,13 @@ bool CCrcHasher::SetFunctions(UInt32 tSize) | |||
| 60 | return true; | 57 | return true; |
| 61 | } | 58 | } |
| 62 | 59 | ||
| 63 | STDMETHODIMP CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps) | 60 | Z7_COM7F_IMF(CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps)) |
| 64 | { | 61 | { |
| 65 | for (UInt32 i = 0; i < numProps; i++) | 62 | for (UInt32 i = 0; i < numProps; i++) |
| 66 | { | 63 | { |
| 67 | const PROPVARIANT &prop = coderProps[i]; | ||
| 68 | if (propIDs[i] == NCoderPropID::kDefaultProp) | 64 | if (propIDs[i] == NCoderPropID::kDefaultProp) |
| 69 | { | 65 | { |
| 66 | const PROPVARIANT &prop = coderProps[i]; | ||
| 70 | if (prop.vt != VT_UI4) | 67 | if (prop.vt != VT_UI4) |
| 71 | return E_INVALIDARG; | 68 | return E_INVALIDARG; |
| 72 | if (!SetFunctions(prop.ulVal)) | 69 | if (!SetFunctions(prop.ulVal)) |
| @@ -76,20 +73,20 @@ STDMETHODIMP CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVAR | |||
| 76 | return S_OK; | 73 | return S_OK; |
| 77 | } | 74 | } |
| 78 | 75 | ||
| 79 | STDMETHODIMP_(void) CCrcHasher::Init() throw() | 76 | Z7_COM7F_IMF2(void, CCrcHasher::Init()) |
| 80 | { | 77 | { |
| 81 | _crc = CRC_INIT_VAL; | 78 | _crc = CRC_INIT_VAL; |
| 82 | } | 79 | } |
| 83 | 80 | ||
| 84 | STDMETHODIMP_(void) CCrcHasher::Update(const void *data, UInt32 size) throw() | 81 | Z7_COM7F_IMF2(void, CCrcHasher::Update(const void *data, UInt32 size)) |
| 85 | { | 82 | { |
| 86 | _crc = _updateFunc(_crc, data, size, g_CrcTable); | 83 | _crc = _updateFunc(_crc, data, size, g_CrcTable); |
| 87 | } | 84 | } |
| 88 | 85 | ||
| 89 | STDMETHODIMP_(void) CCrcHasher::Final(Byte *digest) throw() | 86 | Z7_COM7F_IMF2(void, CCrcHasher::Final(Byte *digest)) |
| 90 | { | 87 | { |
| 91 | UInt32 val = CRC_GET_DIGEST(_crc); | 88 | const UInt32 val = CRC_GET_DIGEST(_crc); |
| 92 | SetUi32(digest, val); | 89 | SetUi32(digest, val) |
| 93 | } | 90 | } |
| 94 | 91 | ||
| 95 | REGISTER_HASHER(CCrcHasher, 0x1, "CRC32", 4) | 92 | REGISTER_HASHER(CCrcHasher, 0x1, "CRC32", 4) |
