Logging: A rough sketch of the logging configuration.

[libucw.git] / ucw / fastbuf.h

diff --git a/ucw/fastbuf.h b/ucw/fastbuf.h
index 04f765f7225630427529a22ac5ddfcd5d289075e..2c1c1a10aca2c693119b9e2aadf58122638ca45d 100644 (file)
--- a/ucw/fastbuf.h
+++ b/ucw/fastbuf.h
@@ -93,7 +93,7 @@
  *   - `buffer <= bstop <= bufend` and `buffer <= bptr <= bufend`.
  *   - `pos` should be the real position in the file corresponding to the location of `bstop` in the buffer.
  *     It can be modified by any back-end's callback, but the position of `bptr` (`pos + (bptr - bstop)`)
- *     must stay unchanged (except the `seek` callback of course).
+ *     must stay unchanged after `refill` or `spout`.
  *   - Failed callbacks (except `close`) should use @bthrow().
  *   - Any callback pointer may be NULL in case the callback is not implemented.
  *   - Callbacks can change not only `bptr` and `bstop`, but also the location and size of the buffer;
@@ -279,9 +279,11 @@ void bfix_tmp_file(struct fastbuf *fb, const char *name);
 struct fastbuf *bfdopen_internal(int fd, const char *name, uns buflen);
 struct fastbuf *bfmmopen_internal(int fd, const char *name, uns mode);
 
+#ifdef CONFIG_UCW_FB_DIRECT
 extern uns fbdir_cheat;
 struct asio_queue;
 struct fastbuf *fbdir_open_fd_internal(int fd, const char *name, struct asio_queue *io_queue, uns buffer_size, uns read_ahead, uns write_back);
+#endif
 
 void bclose_file_helper(struct fastbuf *f, int fd, int is_temp_file);