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| author | Jeremy Allison <jra@samba.org> | 2001-06-21 19:50:20 +0000 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2001-06-21 19:50:20 +0000 |
| commit | b3dd8e5fea8e96522c78796a4a8b655edbed79f5 (patch) | |
| tree | 4e4859dd2cee4251535097ffde7e36cfa648498c | |
| parent | 7702f1bc42cdfffe01cfdc5b491e3931607ba9df (diff) | |
| download | samba-b3dd8e5fea8e96522c78796a4a8b655edbed79f5.tar.gz samba-b3dd8e5fea8e96522c78796a4a8b655edbed79f5.tar.xz samba-b3dd8e5fea8e96522c78796a4a8b655edbed79f5.zip | |
When mmap fails it returns -1 *NOT NULL*.
This got regressed somehow.....
Jeremy.
| -rw-r--r-- | source/tdb/tdb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/tdb/tdb.c b/source/tdb/tdb.c index 4d4fb79383e..c27f03fc35d 100644 --- a/source/tdb/tdb.c +++ b/source/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))); } |