From a4ff68e851c0931ced437f73a1acb0fedb28bec3 Mon Sep 17 00:00:00 2001 From: Philipp Takacs Date: Wed, 18 Mar 2020 21:46:30 +0100 Subject: [PATCH] use memset to clear the msgstats in folder_realloc --- sbr/folder_realloc.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/sbr/folder_realloc.c b/sbr/folder_realloc.c index 64a6640..52c3647 100644 --- a/sbr/folder_realloc.c +++ b/sbr/folder_realloc.c @@ -46,6 +46,12 @@ folder_realloc(struct msgs *mp, int lo, int hi) ** just realloc the message status array. */ mp->msgstats = mh_xrealloc(mp->msgstats, MSGSTATSIZE(mp, lo, hi)); + /* + ** Clear the newly allocated msg flag space. The lowoff and + ** hghoff are the old messagenumber range. So the calculation + ** of the first new element has to subtract lowoff. + */ + memset(mp->msgstats + mp->hghoff - lo + 1, 0, hi - mp->hghoff); } else { /* ** We are changing the offset of the message status @@ -69,20 +75,5 @@ folder_realloc(struct msgs *mp, int lo, int hi) mp->lowoff = lo; mp->hghoff = hi; - /* - ** Clear all the flags for entries outside - ** the current message range for this folder. - */ - if (mp->nummsg > 0) { - for (msgnum = mp->lowoff; msgnum < mp->lowmsg; msgnum++) - clear_msg_flags(mp, msgnum); - for (msgnum = mp->hghmsg + 1; msgnum <= mp->hghoff; msgnum++) - clear_msg_flags(mp, msgnum); - } else { - /* no messages, so clear entire range */ - for (msgnum = mp->lowoff; msgnum <= mp->hghoff; msgnum++) - clear_msg_flags(mp, msgnum); - } - return mp; } -- 1.7.10.4