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mdbx++: добавление mdbx::cursor_managed::withdraw_handle() (backport).

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Леонид Юрьев (Leonid Yuriev)
2025-03-20 01:40:41 +03:00
parent 58729a2fbd
commit 73d52c1963
1 changed files with 7 additions and 1 deletions
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8
mdbx.h++
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@@ -4155,9 +4155,9 @@ public:
class LIBMDBX_API_TYPE cursor { class LIBMDBX_API_TYPE cursor {
protected: protected:
MDBX_cursor *handle_{nullptr}; MDBX_cursor *handle_{nullptr};
MDBX_CXX11_CONSTEXPR cursor(MDBX_cursor *ptr) noexcept;
public: public:
MDBX_CXX11_CONSTEXPR cursor(MDBX_cursor *ptr) noexcept;
MDBX_CXX11_CONSTEXPR cursor() noexcept = default; MDBX_CXX11_CONSTEXPR cursor() noexcept = default;
cursor(const cursor &) noexcept = default; cursor(const cursor &) noexcept = default;
inline cursor &operator=(cursor &&other) noexcept; inline cursor &operator=(cursor &&other) noexcept;
@@ -4561,6 +4561,12 @@ public:
return *this; return *this;
} }
inline MDBX_cursor *withdraw_handle() noexcept {
MDBX_cursor *handle = handle_;
handle_ = nullptr;
return handle;
}
cursor_managed(const cursor_managed &) = delete; cursor_managed(const cursor_managed &) = delete;
cursor_managed &operator=(const cursor_managed &) = delete; cursor_managed &operator=(const cursor_managed &) = delete;
~cursor_managed() noexcept { ::mdbx_cursor_close(handle_); } ~cursor_managed() noexcept { ::mdbx_cursor_close(handle_); }