1 files changed, 13 insertions, 0 deletions
diff --git a/src/lib-imap/imap-base-subject.h b/src/lib-imap/imap-base-subject.h
new file mode 100644
index 0000000..f086284
--- /dev/null
+++ b/src/lib-imap/imap-base-subject.h
@@ -0,0 +1,13 @@
+#ifndef IMAP_BASE_SUBJECT_H
+#define IMAP_BASE_SUBJECT_H
+
+/* Returns the base subject of the given string, according to
+   draft-ietf-imapext-sort-10. String is returned so that it's suitable for
+   strcmp() comparing with another base subject.
+
+   is_reply_or_forward is set to TRUE if message looks like reply or forward,
+   according to draft-ietf-imapext-thread-12 rules. */
+const char *imap_get_base_subject_cased(pool_t pool, const char *subject,
+					bool *is_reply_or_forward_r);
+
+#endif