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ITS#7394 ignore WRITEMAP if RDONLY
author
Howard Chu
<hyc@symas.com>
Tue, 18 Sep 2012 19:36:54 +0000
(12:36 -0700)
committer
Howard Chu
<hyc@symas.com>
Tue, 18 Sep 2012 19:36:54 +0000
(12:36 -0700)
libraries/libmdb/mdb.c
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diff --git
a/libraries/libmdb/mdb.c
b/libraries/libmdb/mdb.c
index
2c54cbd
..
c0eb625
100644
(file)
--- a/
libraries/libmdb/mdb.c
+++ b/
libraries/libmdb/mdb.c
@@
-3128,6
+3128,10
@@
mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mode_t mode)
if (rc)
goto leave;
+ /* silently ignore WRITEMAP if we're only getting read access */
+ if (F_ISSET(flags, MDB_RDONLY) && F_ISSET(flags, MDB_WRITEMAP))
+ flags ^= MDB_WRITEMAP;
+
#ifdef _WIN32
if (F_ISSET(flags, MDB_RDONLY)) {
oflags = GENERIC_READ;