X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fdatabase.cc;h=d11dfaf3dc7245b6b0f7988f5056144e318d8dd4;hb=ac7f84306474dbecea8f6fee2ef2e8d71cc950f7;hp=98f101e6e617a04e9b6c26213f7e35a03dd5c0c3;hpb=69dc421ab3355930f23ec6aa47e7e936cbfafb97;p=notmuch

diff --git a/lib/database.cc b/lib/database.cc
index 98f101e6..d11dfaf3 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -81,13 +81,17 @@ typedef struct {
  *		        STRING is the name of a file within that
  *		        directory for this mail message.
  *
- *    A mail document also has two values:
+ *    A mail document also has four values:
  *
  *	TIMESTAMP:	The time_t value corresponding to the message's
  *			Date header.
  *
  *	MESSAGE_ID:	The unique ID of the mail mess (see "id" above)
  *
+ *	FROM:		The value of the "From" header
+ *
+ *	SUBJECT:	The value of the "Subject" header
+ *
  * In addition, terms from the content of the message are added with
  * "from", "to", "attachment", and "subject" prefixes for use by the
  * user in searching. Similarly, terms from the path of the mail
@@ -1447,7 +1451,7 @@ _notmuch_database_link_message_to_parents (notmuch_database_t *notmuch,
     keys = g_hash_table_get_keys (parents);
     for (l = keys; l; l = l->next) {
 	char *parent_message_id;
-	const char *parent_thread_id;
+	const char *parent_thread_id = NULL;
 
 	parent_message_id = (char *) l->data;