X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=lib%2Fthread.cc;h=dbac002fd7130c4c7559dcf96fbb9b90bdab2487;hb=9293d6da27494d7b607c945c6678bc890749b94f;hp=e17ef63ef48e4657719b0c147835bb86e309f9c0;hpb=178d62cf9c9959fe603c9ffef9fa90f65b67dcd5;p=notmuch

diff --git a/lib/thread.cc b/lib/thread.cc
index e17ef63e..dbac002f 100644
--- a/lib/thread.cc
+++ b/lib/thread.cc
@@ -59,12 +59,12 @@ _notmuch_thread_destructor (notmuch_thread_t *thread)
     g_hash_table_unref (thread->message_hash);
 
     if (thread->authors_array) {
-	g_ptr_array_free (thread->authors_array, TRUE);
+	g_ptr_array_free (thread->authors_array, true);
 	thread->authors_array = NULL;
     }
 
     if (thread->matched_authors_array) {
-	g_ptr_array_free (thread->matched_authors_array, TRUE);
+	g_ptr_array_free (thread->matched_authors_array, true);
 	thread->matched_authors_array = NULL;
     }
 
@@ -156,10 +156,13 @@ _resolve_thread_authors_string (notmuch_thread_t *thread)
 	first_non_matched_author = 0;
     }
 
-    g_ptr_array_free (thread->authors_array, TRUE);
+    g_ptr_array_free (thread->authors_array, true);
     thread->authors_array = NULL;
-    g_ptr_array_free (thread->matched_authors_array, TRUE);
+    g_ptr_array_free (thread->matched_authors_array, true);
     thread->matched_authors_array = NULL;
+
+    if (!thread->authors)
+	thread->authors = talloc_strdup(thread, "");
 }
 
 /* clean up the ugly "Lastname, Firstname" format that some mail systems
@@ -239,7 +242,7 @@ _thread_add_message (notmuch_thread_t *thread,
     InternetAddress *address;
     const char *from, *author;
     char *clean_author;
-    notmuch_bool_t message_excluded = FALSE;
+    bool message_excluded = false;
 
     if (omit_exclude != NOTMUCH_EXCLUDE_FALSE) {
 	for (tags = notmuch_message_get_tags (message);
@@ -254,7 +257,7 @@ _thread_add_message (notmuch_thread_t *thread,
 	    {
 		/* Check for an empty string, and then ignore initial 'K'. */
 		if (*(term->string) && strcmp(tag, (term->string + 1)) == 0) {
-		    message_excluded = TRUE;
+		    message_excluded = true;
 		    break;
 		}
 	    }
@@ -310,7 +313,7 @@ _thread_add_message (notmuch_thread_t *thread,
 
     /* Mark excluded messages. */
     if (message_excluded)
-	notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, TRUE);
+	notmuch_message_set_flag (message, NOTMUCH_MESSAGE_FLAG_EXCLUDED, true);
 }
 
 static void
@@ -394,7 +397,13 @@ _resolve_thread_relationships (notmuch_thread_t *thread)
     for (node = thread->message_list->head; node; node = node->next) {
 	message = node->message;
 	in_reply_to = _notmuch_message_get_in_reply_to (message);
-	if (in_reply_to && strlen (in_reply_to) &&
+	/*
+	 * if we reach the end of the list without finding a top-level
+	 * message, that means the thread is a cycle (or set of
+	 * cycles) and any message can be considered top-level
+	 */
+	if ((thread->toplevel_list->head || node->next) &&
+	     in_reply_to && strlen (in_reply_to) &&
 	    g_hash_table_lookup_extended (thread->message_hash,
 					  in_reply_to, NULL,
 					  (void **) &parent))