From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Mon, 30 Mar 2020 14:17:11 +0000 (+0300)
Subject: lib-index: Add mail_cache_map_all()
X-Git-Tag: 2.3.11.2~443
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd27250accbc8f5aa39d7b9c1736a9542a1c8747;p=thirdparty%2Fdovecot%2Fcore.git

lib-index: Add mail_cache_map_all()
---

diff --git a/src/lib-index/mail-cache-private.h b/src/lib-index/mail-cache-private.h
index 70d9ca82ee..b757490d84 100644
--- a/src/lib-index/mail-cache-private.h
+++ b/src/lib-index/mail-cache-private.h
@@ -244,8 +244,12 @@ mail_cache_transaction_lookup_rec(struct mail_cache_transaction_ctx *ctx,
 				  unsigned int seq,
 				  unsigned int *trans_next_idx);
 
+/* Return data from the specified position in the cache file. Returns 1 if
+   successful, 0 if offset/size points outside the cache file, -1 if error. */
 int mail_cache_map(struct mail_cache *cache, size_t offset, size_t size,
 		   const void **data_r);
+/* Map the whole cache file into memory. Returns 0 if ok, -1 if error. */
+int mail_cache_map_all(struct mail_cache *cache);
 void mail_cache_file_close(struct mail_cache *cache);
 int mail_cache_reopen(struct mail_cache *cache);
 
diff --git a/src/lib-index/mail-cache.c b/src/lib-index/mail-cache.c
index 0e464143a2..81e2b7b5c4 100644
--- a/src/lib-index/mail-cache.c
+++ b/src/lib-index/mail-cache.c
@@ -520,6 +520,15 @@ int mail_cache_map(struct mail_cache *cache, size_t offset, size_t size,
 				     cache->mmap_base, FALSE);
 }
 
+int mail_cache_map_all(struct mail_cache *cache)
+{
+	const void *data;
+
+	int ret = mail_cache_map(cache, 0, 0, &data);
+	i_assert(ret != 0);
+	return ret < 0 ? -1 : 0;
+}
+
 int mail_cache_open_and_verify(struct mail_cache *cache)
 {
 	int ret;