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| author | Jeremy Allison <jra@samba.org> | 2001-06-21 19:50:21 +0000 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2001-06-21 19:50:21 +0000 |
| commit | 99c506325fa92be811d07a79969d5cae67750b10 (patch) | |
| tree | ab25417475d08175c69632e2c323d9602585a92c /source3 | |
| parent | 3a6019b0eb8a71e8f7fb04fbce384f4478ebe2dd (diff) | |
| download | samba-99c506325fa92be811d07a79969d5cae67750b10.tar.gz samba-99c506325fa92be811d07a79969d5cae67750b10.tar.bz2 samba-99c506325fa92be811d07a79969d5cae67750b10.zip | |
When mmap fails it returns -1 *NOT NULL*.
This got regressed somehow.....
Jeremy.
(This used to be commit b77c8b536d4b6d2162f4932227f01cffb730c645)
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/tdb/tdb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source3/tdb/tdb.c b/source3/tdb/tdb.c index 4d4fb79383..c27f03fc35 100644 --- a/source3/tdb/tdb.c +++ b/source3/tdb/tdb.c @@ -87,7 +87,13 @@ static void tdb_mmap(TDB_CONTEXT *tdb) tdb->map_ptr = mmap(NULL, tdb->map_size, PROT_READ|(tdb->read_only? 0:PROT_WRITE), MAP_SHARED|MAP_FILE, tdb->fd, 0); - if (!tdb->map_ptr) { + + /* + * NB. When mmap fails it returns -1 *NOT* NULL !!!! + */ + + if (tdb->map_ptr == (void *)-1) { + tdb->map_ptr = NULL; TDB_LOG((tdb, 2, "tdb_mmap failed for size %d (%s)\n", tdb->map_size, strerror(errno))); } |