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-rw-r--r--lib/message.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/message.cc b/lib/message.cc
index 9488fb6..41dddd0 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -285,7 +285,8 @@ _notmuch_message_get_in_reply_to (notmuch_message_t *message)
i = message->doc.termlist_begin ();
i.skip_to (prefix);
- in_reply_to = *i;
+ if (i != message->doc.termlist_end ())
+ in_reply_to = *i;
/* It's perfectly valid for a message to have no In-Reply-To
* header. For these cases, we return an empty string. */
@@ -332,10 +333,10 @@ notmuch_message_get_thread_id (notmuch_message_t *message)
return message->thread_id;
i = message->doc.termlist_begin ();
-
i.skip_to (prefix);
- id = *i;
+ if (i != message->doc.termlist_end ())
+ id = *i;
if (i == message->doc.termlist_end () || id[0] != *prefix)
INTERNAL_ERROR ("Message with document ID of %d has no thread ID.\n",
@@ -466,7 +467,7 @@ notmuch_message_get_tags (notmuch_message_t *message)
i.skip_to (prefix);
- while (1) {
+ while (i != end) {
tag = *i;
if (tag.empty () || tag[0] != *prefix)