diff options
| author | Roland McGrath <roland@gnu.org> | 1999-07-11 19:42:13 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1999-07-11 19:42:13 +0000 |
| commit | 914934d7e9e4223b3d1131053ad4dcb965e95ada (patch) | |
| tree | 1946d4766acefecabd8752acd82c1b29c8dc1114 | |
| parent | 94810418f8387c85769d132827e9937e4b1d0238 (diff) | |
1999-07-11 Roland McGrath <roland@baalperazim.frob.com>
* dev.c (dev_read: ensure_buf): Fix sloppy bugs in last change.
| -rw-r--r-- | storeio/dev.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/storeio/dev.c b/storeio/dev.c index 4c7b63da..cf557f46 100644 --- a/storeio/dev.c +++ b/storeio/dev.c @@ -154,7 +154,7 @@ dev_open (struct store_parsed *name, int flags, int inhibit_cache, return err; } - new->buf = mmap (0, new->store->block_size, PROT_READ|PROT_WRITE, + new->buf = mmap (0, new->store->block_size, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); if (new->buf == (void *) -1) { @@ -371,17 +371,16 @@ dev_read (struct dev *dev, off_t offs, size_t whole_amount, int allocated_buf = 0; error_t ensure_buf () { - error_t err; if (*len < whole_amount) { - *buf = mmap (0, whole_amount, PROT_READ|PROT_WRITE, - MAP_ANON, 0, 0); - if (*buf != (void *) -1) - allocated_buf = 1; + void *new = mmap (0, whole_amount, PROT_READ|PROT_WRITE, + MAP_ANON, 0, 0); + if (new == (void *) -1) + return errno; + *buf = new; + allocated_buf = 1; } - else - err = 0; - return err; + return 0; } error_t buf_read (size_t buf_offs, size_t io_offs, size_t len) { |