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Put MDB_node.<mn_lo,mn_hi> in host byte order.

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This commit is contained in:
Hallvard Furuseth 2011-09-10 10:11:55 +02:00
parent c5dad7a6d0
commit 88da18cccf
1 changed files with 6 additions and 3 deletions
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9
libraries/libmdb/mdb.c
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@ -533,10 +533,13 @@ typedef struct MDB_page {
typedef struct MDB_node {
/** lo and hi are used for data size on leaf nodes and for
* child pgno on branch nodes. On 64 bit platforms, flags
* is also used for pgno. (branch nodes ignore flags)
* is also used for pgno. (Branch nodes have no flags).
* They are in in host byte order in case that lets some
* accesses be optimized into a 32-bit word access.
*/
unsigned short mn_lo;
unsigned short mn_hi; /**< part of dsize or pgno */
#define mn_lo mn_offset[__BYTE_ORDER!=__LITTLE_ENDIAN]
#define mn_hi mn_offset[__BYTE_ORDER==__LITTLE_ENDIAN] /**< part of dsize or pgno */
unsigned short mn_offset[2];
unsigned short mn_flags; /**< flags for special node types */
#define F_BIGDATA 0x01 /**< data put on overflow page */
#define F_SUBDATA 0x02 /**< data is a sub-database */