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mdbx: add mdbx_cursor_copy().

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Change-Id: I476f1230beec6a550897bef236745530154c1079
This commit is contained in:
Leonid Yuriev
2020-11-04 18:15:14 +03:00
parent 2489e0ba6e
commit b6f0070f85
2 changed files with 40 additions and 0 deletions
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12
mdbx.h
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@@ -3861,6 +3861,18 @@ mdbx_cursor_txn(const MDBX_cursor *cursor);
* \param [in] cursor A cursor handle returned by \ref mdbx_cursor_open(). */
LIBMDBX_API MDBX_dbi mdbx_cursor_dbi(const MDBX_cursor *cursor);
/** \brief Copy cursor position and state.
* \ingroup c_cursors
*
* \param [in] src A source cursor handle returned
* by \ref mdbx_cursor_create() or \ref mdbx_cursor_open().
*
* \param [in,out] dest A destination cursor handle returned
* by \ref mdbx_cursor_create() or \ref mdbx_cursor_open().
*
* \returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_cursor_copy(const MDBX_cursor *src, MDBX_cursor *dest);
/** \brief Retrieve by cursor.
* \ingroup c_crud
*