Add proper per-file copyright notices/licenses and top-level license.

[bluesky.git] / bluesky / cleaner.c

diff --git a/bluesky/cleaner.c b/bluesky/cleaner.c
index be0ab6a..3f6b685 100644 (file)
--- a/bluesky/cleaner.c
+++ b/bluesky/cleaner.c
@@ -3,7 +3,29 @@
  * Copyright (C) 2010  The Regents of the University of California
  * Written by Michael Vrable <mvrable@cs.ucsd.edu>
  *
- * TODO: Licensing
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 
 #include <stdio.h>
@@ -303,6 +325,12 @@ void bluesky_cleaner_merge(BlueSkyFS *fs)
         return;
     }
 
+    if (checkpoint->type != LOGTYPE_CHECKPOINT) {
+        g_warning("Last cleaner object not a checkpoint; cleaning probably in progress.");
+        bluesky_cleaner_item_free(checkpoint);
+        return;
+    }
+
     /* Iterate over each of the inode map sections in the checkpoint */
     for (int i = 0; i < checkpoint->links->len; i++) {
         BlueSkyCleanerLink *link = &g_array_index(checkpoint->links,