[commit] master: make use of finduid[] after journal replay

[Oswald B. <os...@us...>]

commit 8f4af5f78f118f2e508ca1af7e30d20a3dae8cae
Author: Oswald Buddenhagen <os...@us...>
Date:   Wed Dec 29 22:38:50 2021 +0100

    make use of finduid[] after journal replay
    
    we used to pass all initially loaded messages to match_tuids(), which
    could be quite some when syncing old messages. as lost TUIDs result in
    O(n^2) behavior, this could have a serious performance impact.

 src/sync.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sync.c b/src/sync.c
index 62c48a63..d0dd0561 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -842,6 +842,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
 
 	if (svars->state[t] & ST_FIND_OLD) {
 		debug( "matching previously copied messages on %s\n", str_fn[t] );
+		for (; msgs && msgs->uid < svars->finduid[t]; msgs = msgs->next) {}
 		match_tuids( svars, t, msgs );
 	}