dovecot-2.1: lib-storage: Thread iteration no longer returns dum...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.1/rev/67972d72b55c
changeset: 14023:67972d72b55c
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Jan 28 20:21:10 2012 +0200
description:
lib-storage: Thread iteration no longer returns dummy nodes without children.
This fixes returning (0) nodes to IMAP client.

diffstat:

 src/lib-storage/index/index-thread-finish.c |  5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diffs (15 lines):

diff -r 9b8657a98e2e -r 67972d72b55c src/lib-storage/index/index-thread-finish.c
--- a/src/lib-storage/index/index-thread-finish.c	Sat Jan 28 20:08:40 2012 +0200
+++ b/src/lib-storage/index/index-thread-finish.c	Sat Jan 28 20:21:10 2012 +0200
@@ -655,6 +655,11 @@
 		*child_iter_r = shadow->first_child_idx == 0 ? NULL :
 			mail_thread_iterate_children(iter, child->idx);
 	}
+	if (child->uid == 0 && *child_iter_r == NULL) {
+		/* this is a dummy node without children,
+		   there's no point in returning it */
+		return mail_thread_iterate_next(iter, child_iter_r);
+	}
 	return child;
 }