mdbx: backport - ITS#8363 Fix off-by-one in mdb_midl_shrink().

Change-Id: I92a2ed30703f6cd5e91c7f380f1954da4cbe896b
This commit is contained in:
Howard Chu 2016-01-28 04:18:14 +00:00 committed by Leo Yuriev
parent a2db88baf6
commit 0e508f0d3b
2 changed files with 2 additions and 1 deletions

View File

@ -7,6 +7,7 @@ LMDB 0.9.18 Release Engineering
Fix MDB_APPENDDUP vs. rewrite(single item) (ITS#8334)
n/a for mdbx - Fix mdb_copy of large files on Windows
Fix subcursor move after delete (ITS#8355)
Fix mdb_midl_shrink off-by-one (ITS#8363)
n/a for mdbx - Check for utf8_to_utf16 failures (ITS#7992)
Catch strdup failure in mdb_dbi_open
Build

2
midl.c
View File

@ -120,7 +120,7 @@ static void mdb_midl_shrink( MDB_IDL *idp )
{
MDB_IDL ids = *idp;
if (*(--ids) > MDB_IDL_UM_MAX &&
(ids = realloc(ids, (MDB_IDL_UM_MAX+1) * sizeof(MDB_ID))))
(ids = realloc(ids, (MDB_IDL_UM_MAX+2) * sizeof(MDB_ID))))
{
*ids++ = MDB_IDL_UM_MAX;
*idp = ids;