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Replace std::shared_ptr to std::unique_ptr

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This commit is contained in:
Владислав Щапов 2021-10-03 18:18:44 +05:00
parent d279a4f73d
commit 7b8cf519f2
1 changed files with 8 additions and 2 deletions
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10
include/ghc/filesystem.hpp
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@ -2043,7 +2043,13 @@ typedef struct _REPARSE_DATA_BUFFER
#endif #endif
#endif #endif
GHC_INLINE std::shared_ptr<REPARSE_DATA_BUFFER> getReparseData(const path& p, std::error_code& ec) template <class T>
struct free_deleter
{
void operator()(T* p) const { std::free(p); }
};
GHC_INLINE std::unique_ptr<REPARSE_DATA_BUFFER, free_deleter<REPARSE_DATA_BUFFER>> getReparseData(const path& p, std::error_code& ec)
{ {
std::shared_ptr<void> file(CreateFileW(GHC_NATIVEWP(p), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle); std::shared_ptr<void> file(CreateFileW(GHC_NATIVEWP(p), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle);
if (file.get() == INVALID_HANDLE_VALUE) { if (file.get() == INVALID_HANDLE_VALUE) {
@ -2051,7 +2057,7 @@ GHC_INLINE std::shared_ptr<REPARSE_DATA_BUFFER> getReparseData(const path& p, st
return nullptr; return nullptr;
} }
std::shared_ptr<REPARSE_DATA_BUFFER> reparseData((REPARSE_DATA_BUFFER*)std::calloc(1, MAXIMUM_REPARSE_DATA_BUFFER_SIZE), std::free); std::unique_ptr<REPARSE_DATA_BUFFER, free_deleter<REPARSE_DATA_BUFFER>> reparseData(reinterpret_cast<REPARSE_DATA_BUFFER*>(std::calloc(1, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)));
ULONG bufferUsed; ULONG bufferUsed;
if (DeviceIoControl(file.get(), FSCTL_GET_REPARSE_POINT, 0, 0, reparseData.get(), MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &bufferUsed, 0)) { if (DeviceIoControl(file.get(), FSCTL_GET_REPARSE_POINT, 0, 0, reparseData.get(), MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &bufferUsed, 0)) {
return reparseData; return reparseData;