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-rw-r--r--notes.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/notes.h b/notes.h
index 79ea7976a..b3725750b 100644
--- a/notes.h
+++ b/notes.h
@@ -104,11 +104,13 @@ void init_notes(struct notes_tree *t, const char *notes_ref,
* note with the empty note (using the given combine_notes function) results
* in a new/changed note.
*
+ * Returns zero on success; non-zero means combine_notes failed.
+ *
* IMPORTANT: The changes made by add_note() to the given notes_tree structure
* are not persistent until a subsequent call to write_notes_tree() returns
* zero.
*/
-void add_note(struct notes_tree *t, const unsigned char *object_sha1,
+int add_note(struct notes_tree *t, const unsigned char *object_sha1,
const unsigned char *note_sha1, combine_notes_fn combine_notes);
/*
@@ -131,7 +133,10 @@ const unsigned char *get_note(struct notes_tree *t,
/*
* Copy a note from one object to another in the given notes_tree.
*
- * Fails if the to_obj already has a note unless 'force' is true.
+ * Returns 1 if the to_obj already has a note and 'force' is false. Otherwise,
+ * returns non-zero if 'force' is true, but the given combine_notes function
+ * failed to combine from_obj's note with to_obj's existing note.
+ * Returns zero on success.
*
* IMPORTANT: The changes made by copy_note() to the given notes_tree structure
* are not persistent until a subsequent call to write_notes_tree() returns
@@ -139,7 +144,7 @@ const unsigned char *get_note(struct notes_tree *t,
*/
int copy_note(struct notes_tree *t,
const unsigned char *from_obj, const unsigned char *to_obj,
- int force, combine_notes_fn combine_fn);
+ int force, combine_notes_fn combine_notes);
/*
* Flags controlling behaviour of for_each_note()