From 9db2b6e128a821b3457cc555f61328fd53d11676 Mon Sep 17 00:00:00 2001 From: Hallvard Furuseth Date: Wed, 21 Dec 2016 21:40:14 +0100 Subject: [PATCH] More MDB_node doc --- libraries/liblmdb/mdb.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 57c6e4cde1..7a181d45f6 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -879,6 +879,11 @@ typedef struct MDB_page { * pgno on branch nodes. On 64 bit platforms, #mn_flags is also used * for pgno. (Branch nodes have no flags). Lo and hi are in host byte * order in case some accesses can be optimized to 32-bit word access. + * + * Leaf node flags describe node contents. #F_BIGDATA says the node's + * data part is the page number of an overflow page with actual data. + * #F_DUPDATA and #F_SUBDATA can be combined giving duplicate data in + * a sub-page/sub-database, and named databases (just #F_SUBDATA). */ typedef struct MDB_node { /** part of data size or pgno -- 2.39.5