The Tor Browser / file comparison
comparison: other-licenses/7zstub/src/Common/MyWindows.cpp
other-licenses/7zstub/src/Common/MyWindows.cpp
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
equal
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| -1:000000000000 | 0:8d97f9d437d5 |
|---|---|
| 1 // MyWindows.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 | |
| 5 #ifndef _WIN32 | |
| 6 | |
| 7 #include "MyWindows.h" | |
| 8 #include "Types.h" | |
| 9 #include <malloc.h> | |
| 10 | |
| 11 static inline void *AllocateForBSTR(size_t cb) { return ::malloc(cb); } | |
| 12 static inline void FreeForBSTR(void *pv) { ::free(pv);} | |
| 13 | |
| 14 static UINT MyStringLen(const wchar_t *s) | |
| 15 { | |
| 16 UINT i; | |
| 17 for (i = 0; s[i] != '\0'; i++); | |
| 18 return i; | |
| 19 } | |
| 20 | |
| 21 BSTR SysAllocStringByteLen(LPCSTR psz, UINT len) | |
| 22 { | |
| 23 int realLen = len + sizeof(UINT) + sizeof(OLECHAR) + sizeof(OLECHAR); | |
| 24 void *p = AllocateForBSTR(realLen); | |
| 25 if (p == 0) | |
| 26 return 0; | |
| 27 *(UINT *)p = len; | |
| 28 BSTR bstr = (BSTR)((UINT *)p + 1); | |
| 29 memmove(bstr, psz, len); | |
| 30 Byte *pb = ((Byte *)bstr) + len; | |
| 31 for (int i = 0; i < sizeof(OLECHAR) * 2; i++) | |
| 32 pb[i] = 0; | |
| 33 return bstr; | |
| 34 } | |
| 35 | |
| 36 BSTR SysAllocString(const OLECHAR *sz) | |
| 37 { | |
| 38 if (sz == 0) | |
| 39 return 0; | |
| 40 UINT strLen = MyStringLen(sz); | |
| 41 UINT len = (strLen + 1) * sizeof(OLECHAR); | |
| 42 void *p = AllocateForBSTR(len + sizeof(UINT)); | |
| 43 if (p == 0) | |
| 44 return 0; | |
| 45 *(UINT *)p = strLen; | |
| 46 BSTR bstr = (BSTR)((UINT *)p + 1); | |
| 47 memmove(bstr, sz, len); | |
| 48 return bstr; | |
| 49 } | |
| 50 | |
| 51 void SysFreeString(BSTR bstr) | |
| 52 { | |
| 53 if (bstr != 0) | |
| 54 FreeForBSTR((UINT *)bstr - 1); | |
| 55 } | |
| 56 | |
| 57 UINT SysStringByteLen(BSTR bstr) | |
| 58 { | |
| 59 if (bstr == 0) | |
| 60 return 0; | |
| 61 return *((UINT *)bstr - 1); | |
| 62 } | |
| 63 | |
| 64 UINT SysStringLen(BSTR bstr) | |
| 65 { | |
| 66 return SysStringByteLen(bstr) / sizeof(OLECHAR); | |
| 67 } | |
| 68 | |
| 69 HRESULT VariantClear(VARIANTARG *prop) | |
| 70 { | |
| 71 if (prop->vt == VT_BSTR) | |
| 72 SysFreeString(prop->bstrVal); | |
| 73 prop->vt = VT_EMPTY; | |
| 74 return S_OK; | |
| 75 } | |
| 76 | |
| 77 HRESULT VariantCopy(VARIANTARG *dest, VARIANTARG *src) | |
| 78 { | |
| 79 HRESULT res = ::VariantClear(dest); | |
| 80 if (res != S_OK) | |
| 81 return res; | |
| 82 if (src->vt == VT_BSTR) | |
| 83 { | |
| 84 dest->bstrVal = SysAllocStringByteLen((LPCSTR)src->bstrVal, | |
| 85 SysStringByteLen(src->bstrVal)); | |
| 86 if (dest->bstrVal == 0) | |
| 87 return E_OUTOFMEMORY; | |
| 88 dest->vt = VT_BSTR; | |
| 89 } | |
| 90 else | |
| 91 *dest = *src; | |
| 92 return S_OK; | |
| 93 } | |
| 94 | |
| 95 LONG CompareFileTime(const FILETIME* ft1, const FILETIME* ft2) | |
| 96 { | |
| 97 if(ft1->dwHighDateTime < ft2->dwHighDateTime) | |
| 98 return -1; | |
| 99 if(ft1->dwHighDateTime > ft2->dwHighDateTime) | |
| 100 return 1; | |
| 101 if(ft1->dwLowDateTime < ft2->dwLowDateTime) | |
| 102 return -1; | |
| 103 if(ft1->dwLowDateTime > ft2->dwLowDateTime) | |
| 104 return 1; | |
| 105 return 0; | |
| 106 } | |
| 107 | |
| 108 DWORD GetLastError() | |
| 109 { | |
| 110 return 0; | |
| 111 } | |
| 112 | |
| 113 #endif |
