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mdbx: добавление в API функций mdbx_limits_pairsize4page_max() и mdbx_limits_valsize4page_max() с сопутствующими доработками.

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Леонид Юрьев (Leonid Yuriev)
2022-09-30 14:06:55 +03:00
parent 143e3dfb77
commit 66f2e3d596
3 changed files with 55 additions and 6 deletions
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15
mdbx.h
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@@ -3119,6 +3119,21 @@ mdbx_limits_keysize_max(intptr_t pagesize, MDBX_db_flags_t flags);
MDBX_NOTHROW_CONST_FUNCTION LIBMDBX_API intptr_t
mdbx_limits_valsize_max(intptr_t pagesize, MDBX_db_flags_t flags);
/** \brief Returns maximal size of key-value pair to fit in a single page with
* the given size and database flags, or -1 if pagesize is invalid.
* \ingroup c_statinfo
* \see db_flags */
MDBX_NOTHROW_CONST_FUNCTION LIBMDBX_API intptr_t
mdbx_limits_pairsize4page_max(intptr_t pagesize, MDBX_db_flags_t flags);
/** \brief Returns maximal data size in bytes to fit in a leaf-page or
* single overflow/large-page with the given page size and database flags,
* or -1 if pagesize is invalid.
* \ingroup c_statinfo
* \see db_flags */
MDBX_NOTHROW_CONST_FUNCTION LIBMDBX_API intptr_t
mdbx_limits_valsize4page_max(intptr_t pagesize, MDBX_db_flags_t flags);
/** \brief Returns maximal write transaction size (i.e. limit for summary volume
* of dirty pages) in bytes for given page size, or -1 if pagesize is invalid.
* \ingroup c_statinfo */