lib: catch Xapian exceptions in n_m_add_tag

[notmuch] / lib / notmuch.h

diff --git a/lib/notmuch.h b/lib/notmuch.h
index 0dc89547017a6e5362333e167b0105c9e16c7421..693e507602942ce88dde01b5ba598552e193ec24 100644 (file)
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -1402,14 +1402,18 @@ notmuch_message_get_thread_id (notmuch_message_t *message);
  * NULL. (Note that notmuch_messages_valid will accept that NULL
  * value as legitimate, and simply return FALSE for it.)
  *
- * The returned list will be destroyed when the thread is destroyed.
+ * This function also returns NULL if it triggers a Xapian exception.
+ *
+ * The returned list will be destroyed when the thread is
+ * destroyed.
  */
 notmuch_messages_t *
 notmuch_message_get_replies (notmuch_message_t *message);
 
 /**
  * Get the total number of files associated with a message.
- * @returns Non-negative integer
+ * @returns Non-negative integer for file count.
+ * @returns Negative integer for error.
  * @since libnotmuch 5.0 (notmuch 0.25)
  */
 int
@@ -1430,6 +1434,8 @@ notmuch_message_count_files (notmuch_message_t *message);
  * this function will arbitrarily return a single one of those
  * filenames. See notmuch_message_get_filenames for returning the
  * complete list of filenames.
+ *
+ * This function returns NULL if it triggers a Xapian exception.
  */
 const char *
 notmuch_message_get_filename (notmuch_message_t *message);
@@ -1443,6 +1449,8 @@ notmuch_message_get_filename (notmuch_message_t *message);
  *
  * Each filename in the iterator is an absolute filename, (the initial
  * component will match notmuch_database_get_path() ).
+ *
+ * This function returns NULL if it triggers a Xapian exception.
  */
 notmuch_filenames_t *
 notmuch_message_get_filenames (notmuch_message_t *message);
@@ -1496,6 +1504,8 @@ notmuch_message_set_flag (notmuch_message_t *message,
  * For the original textual representation of the Date header from the
  * message call notmuch_message_get_header() with a header value of
  * "date".
+ *
+ * Returns 0 in case of error.
  */
 time_t
 notmuch_message_get_date (notmuch_message_t *message);