Restrict update to positive priority deltas

This is only ever called with positive values and the mysql and postgres
plugins were not handling negative values correctly anyway.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/include/gnunet_datastore_plugin.h b/src/include/gnunet_datastore_plugin.h
index 71c69ffaf..2295d4e72 100644
--- a/src/include/gnunet_datastore_plugin.h
+++ b/src/include/gnunet_datastore_plugin.h
@@ -268,9 +268,7 @@ typedef void
  * @param cls closure
  * @param uid unique identifier of the datum
  * @param delta by how much should the priority
- *     change?  If priority + delta < 0 the
- *     priority should be set to 0 (never go
- *     negative).
+ *     change?
  * @param expire new expiration time should be the
  *     MAX of any existing expiration time and
  *     this value
@@ -280,7 +278,7 @@ typedef void
 typedef void
 (*PluginUpdate) (void *cls,
                  uint64_t uid,
-                 int delta,
+                 uint32_t delta,
                  struct GNUNET_TIME_Absolute expire,
                  PluginUpdateCont cont,
                  void *cont_cls);