From: Timo Sirainen <tss@iki.fi>
Date: Wed, 25 Mar 2009 19:18:50 +0000 (-0400)
Subject: mail_index_atomic_inc_ext() now returns the current diff sum.
X-Git-Tag: 2.0.alpha1~1038^2~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b7a5580abb62dd82e82e58ed81dcb307ed338144;p=thirdparty%2Fdovecot%2Fcore.git

mail_index_atomic_inc_ext() now returns the current diff sum.

--HG--
branch : HEAD
---

diff --git a/src/lib-index/mail-index-transaction.c b/src/lib-index/mail-index-transaction.c
index 14319b0e8c..1e938f3a74 100644
--- a/src/lib-index/mail-index-transaction.c
+++ b/src/lib-index/mail-index-transaction.c
@@ -1355,8 +1355,8 @@ void mail_index_update_ext(struct mail_index_transaction *t, uint32_t seq,
 	}
 }
 
-void mail_index_atomic_inc_ext(struct mail_index_transaction *t, uint32_t seq,
-			       uint32_t ext_id, int diff)
+int mail_index_atomic_inc_ext(struct mail_index_transaction *t,
+			      uint32_t seq, uint32_t ext_id, int diff)
 {
 	ARRAY_TYPE(seq_array) *array;
 	int32_t old_diff32, diff32 = diff;
@@ -1380,6 +1380,7 @@ void mail_index_atomic_inc_ext(struct mail_index_transaction *t, uint32_t seq,
 		mail_index_seq_array_add(array, seq, &diff32, sizeof(diff32),
 					 NULL);
 	}
+	return diff32;
 }
 
 struct mail_keywords *
diff --git a/src/lib-index/mail-index.h b/src/lib-index/mail-index.h
index 8082f2b699..469fd73f31 100644
--- a/src/lib-index/mail-index.h
+++ b/src/lib-index/mail-index.h
@@ -518,8 +518,9 @@ void mail_index_update_header_ext(struct mail_index_transaction *t,
    now overwriting. */
 void mail_index_update_ext(struct mail_index_transaction *t, uint32_t seq,
 			   uint32_t ext_id, const void *data, void *old_data);
-/* Increase/decrease number in extension atomically. */
-void mail_index_atomic_inc_ext(struct mail_index_transaction *t, uint32_t seq,
-			       uint32_t ext_id, int diff);
+/* Increase/decrease number in extension atomically. Returns the sum of the
+   diffs for this seq. */
+int mail_index_atomic_inc_ext(struct mail_index_transaction *t,
+			      uint32_t seq, uint32_t ext_id, int diff);
 
 #endif