dovecot-1.2: THREAD X-REFERENCES2: Don't return (0) nodes.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.2/rev/bf16646ec312
changeset: 8893:bf16646ec312
user:      Timo Sirainen <tss at iki.fi>
date:      Thu Apr 02 15:28:03 2009 -0400
description:
THREAD X-REFERENCES2: Don't return (0) nodes.

diffstat:

1 file changed, 10 insertions(+)
src/lib-storage/index/index-thread-finish.c |   10 ++++++++++

diffs (24 lines):

diff -r 66a8cbe7f007 -r bf16646ec312 src/lib-storage/index/index-thread-finish.c
--- a/src/lib-storage/index/index-thread-finish.c	Thu Apr 02 15:02:58 2009 -0400
+++ b/src/lib-storage/index/index-thread-finish.c	Thu Apr 02 15:28:03 2009 -0400
@@ -420,10 +420,20 @@ static void sort_root_nodes_ref2(struct 
 	const struct mail_thread_node *node;
 	struct mail_thread_root_node *roots, *root;
 	struct mail_thread_child_node child;
+	const struct mail_thread_shadow_node *shadows;
 	unsigned int root_count;
 	uint32_t idx, parent_idx;
 
 	roots = array_get_modifiable(&ctx->roots, &root_count);
+
+	/* drop childless dummy nodes */
+	shadows = array_idx(&ctx->shadow_nodes, 0);
+	for (idx = 1; idx < root_count; idx++) {
+		if (roots[idx].dummy &&
+		    shadows[roots[idx].node.idx].first_child_idx == 0)
+			roots[idx].ignore = TRUE;
+	}
+
 	for (idx = 1; idx < record_count; idx++) {
 		node = array_idx(&ctx->cache->thread_nodes, idx);
 		if (!MAIL_THREAD_NODE_EXISTS(node))