From: Timo Sirainen <tss@iki.fi>
Date: Wed, 15 Jul 2009 22:29:21 +0000 (-0400)
Subject: Added mail_transaction_log_get_tail().
X-Git-Tag: 2.0.alpha1~417
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3ee5f5427b36ea30a01561b35f4002232db7b061;p=thirdparty%2Fdovecot%2Fcore.git

Added mail_transaction_log_get_tail().

--HG--
branch : HEAD
---

diff --git a/src/lib-index/mail-transaction-log.c b/src/lib-index/mail-transaction-log.c
index 9fc6e9de43..dc1debeab4 100644
--- a/src/lib-index/mail-transaction-log.c
+++ b/src/lib-index/mail-transaction-log.c
@@ -487,6 +487,18 @@ void mail_transaction_log_get_head(struct mail_transaction_log *log,
 	*file_offset_r = log->head->sync_offset;
 }
 
+void mail_transaction_log_get_tail(struct mail_transaction_log *log,
+				   uint32_t *file_seq_r)
+{
+	struct mail_transaction_log_file *tail, *file = log->files;
+
+	for (tail = file; file->next != NULL; file = file->next) {
+		if (file->hdr.file_seq + 1 != file->next->hdr.file_seq)
+			tail = file->next;
+	}
+	*file_seq_r = tail->hdr.file_seq;
+}
+
 bool mail_transaction_log_is_head_prev(struct mail_transaction_log *log,
 				       uint32_t file_seq, uoff_t file_offset)
 {
diff --git a/src/lib-index/mail-transaction-log.h b/src/lib-index/mail-transaction-log.h
index 3e43340fe3..3566e20773 100644
--- a/src/lib-index/mail-transaction-log.h
+++ b/src/lib-index/mail-transaction-log.h
@@ -245,6 +245,9 @@ void mail_transaction_log_sync_unlock(struct mail_transaction_log *log);
 /* Returns the current head. Works only when log is locked. */
 void mail_transaction_log_get_head(struct mail_transaction_log *log,
 				   uint32_t *file_seq_r, uoff_t *file_offset_r);
+/* Returns the current tail from which all files are open to head. */
+void mail_transaction_log_get_tail(struct mail_transaction_log *log,
+				   uint32_t *file_seq_r);
 /* Returns TRUE if given seq/offset is current head log's rotate point. */
 bool mail_transaction_log_is_head_prev(struct mail_transaction_log *log,
 				       uint32_t file_seq, uoff_t file_offset);