Hallvard Furuseth authored Mar 09, 2012 and Quanah Gibson-Mount committed Mar 09, 2012

Also line up the code logic a bit.

Hallvard Furuseth authored Mar 09, 2012 and Quanah Gibson-Mount committed Mar 09, 2012

Delay (MDB_txninfo*) cast to after comparing mmap() with MAP_FAILED.
Otherwise, if MAP_FAILED = (void*)-1 but MDB_txninfo requires stricter
alignment, the compiler could assume the result is never MAP_FAILED.

Also store NULL in env->(me_map, me_txns) after mmap failure.

Howard Chu authored Mar 08, 2012 and Quanah Gibson-Mount committed Mar 09, 2012

Revealed when gcc optimization is enabled