From: Timo Sirainen <tss@iki.fi>
Date: Wed, 31 Aug 2011 08:33:54 +0000 (+0300)
Subject: lib-index: Added mail_cache_exists()
X-Git-Tag: 2.1.alpha1~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3976df875193529127d584cb713983e8160bdcf;p=thirdparty%2Fdovecot%2Fcore.git

lib-index: Added mail_cache_exists()
---

diff --git a/src/lib-index/mail-cache.c b/src/lib-index/mail-cache.c
index bca893bddb..79d232f6eb 100644
--- a/src/lib-index/mail-cache.c
+++ b/src/lib-index/mail-cache.c
@@ -688,6 +688,11 @@ int mail_cache_write(struct mail_cache *cache, const void *data, size_t size,
 	return 0;
 }
 
+bool mail_cache_exists(struct mail_cache *cache)
+{
+	return !MAIL_CACHE_IS_UNUSABLE(cache);
+}
+
 struct mail_cache_view *
 mail_cache_view_open(struct mail_cache *cache, struct mail_index_view *iview)
 {
diff --git a/src/lib-index/mail-cache.h b/src/lib-index/mail-cache.h
index e9c3f7d9e0..824cf7dd00 100644
--- a/src/lib-index/mail-cache.h
+++ b/src/lib-index/mail-cache.h
@@ -66,6 +66,8 @@ bool mail_cache_need_compress(struct mail_cache *cache);
 /* Compress cache file. Offsets are updated to given transaction. */
 int mail_cache_compress(struct mail_cache *cache,
 			struct mail_index_transaction *trans);
+/* Returns TRUE if there is at least something in the cache. */
+bool mail_cache_exists(struct mail_cache *cache);
 
 struct mail_cache_view *
 mail_cache_view_open(struct mail_cache *cache, struct mail_index_view *iview);