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Fix build when targeting Windows 7 as platform. (#1869)
* Fix build when targeting Windows 7 as platform. This change makes more of the code introduced in https://github.com/yhirose/cpp-httplib/pull/1775 conditional on feature macros. `CreateFile2`, `CreateFileMappingFromApp` and `MapViewOfFileFromApp` are available only starting from Windows 8. * https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfile2 * https://learn.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-createfilemappingfromapp * https://learn.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-mapviewoffilefromapp * Update feature macros used and use `GetFileSizeEx` conditionally.
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1 changed files with 15 additions and 2 deletions
17
httplib.h
17
httplib.h
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@ -2824,16 +2824,29 @@ inline bool mmap::open(const char *path) {
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wpath += path[i];
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}
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES) && (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
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hFile_ = ::CreateFile2(wpath.c_str(), GENERIC_READ, FILE_SHARE_READ,
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OPEN_EXISTING, NULL);
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#else
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hFile_ = ::CreateFileW(wpath.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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#endif
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if (hFile_ == INVALID_HANDLE_VALUE) { return false; }
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)
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LARGE_INTEGER size{};
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if (!::GetFileSizeEx(hFile_, &size)) { return false; }
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size_ = static_cast<size_t>(size.QuadPart);
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#else
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DWORD sizeHigh;
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DWORD sizeLow;
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sizeLow = ::GetFileSize(hFile_, &sizeHigh);
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if (sizeLow == INVALID_FILE_SIZE) { return false; }
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size_ = (static_cast<size_t>(sizeHigh) << (sizeof(DWORD) * 8)) | sizeLow;
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#endif
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM) && (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
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hMapping_ =
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::CreateFileMappingFromApp(hFile_, NULL, PAGE_READONLY, size_, NULL);
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#else
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@ -2847,7 +2860,7 @@ inline bool mmap::open(const char *path) {
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return false;
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}
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM) && (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
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addr_ = ::MapViewOfFileFromApp(hMapping_, FILE_MAP_READ, 0, 0);
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#else
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addr_ = ::MapViewOfFile(hMapping_, FILE_MAP_READ, 0, 0, 0);
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