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mdbx: enumeration for page types.

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This commit is contained in:
Leo Yuriev
2018-08-28 16:41:34 +03:00
parent 3a2ea85c79
commit 3bc339ef19
3 changed files with 238 additions and 144 deletions
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20
mdbx.h
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@@ -1648,10 +1648,22 @@ typedef void MDBX_debug_func(int type, const char *function, int line,
LIBMDBX_API int mdbx_setup_debug(int flags, MDBX_debug_func *logger);
typedef int MDBX_pgvisitor_func(uint64_t pgno, unsigned pgnumber, void *ctx,
const char *dbi, const char *type,
size_t nentries, size_t payload_bytes,
size_t header_bytes, size_t unused_bytes);
typedef enum {
MDBX_page_void,
MDBX_page_meta,
MDBX_page_large,
MDBX_page_branch,
MDBX_page_leaf,
MDBX_page_dupfixed_leaf,
MDBX_subpage_leaf,
MDBX_subpage_dupfixed_leaf
} MDBX_page_type_t;
typedef int MDBX_pgvisitor_func(uint64_t pgno, unsigned number, void *ctx,
const char *dbi, size_t page_size,
MDBX_page_type_t type, size_t nentries,
size_t payload_bytes, size_t header_bytes,
size_t unused_bytes);
LIBMDBX_API int mdbx_env_pgwalk(MDBX_txn *txn, MDBX_pgvisitor_func *visitor,
void *ctx);