From: Richard Russon <rich@flatcap.org>
Date: Thu, 27 Dec 2018 11:13:32 +0000 (+0000)
Subject: pager: prevent negative index
X-Git-Tag: 2019-10-25~415
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ee8449720c6c73359a99b30e75a2f57fd63d8f74;p=neomutt

pager: prevent negative index
---

diff --git a/pager.c b/pager.c
index 32182beae..557ad72e3 100644
--- a/pager.c
+++ b/pager.c
@@ -2391,7 +2391,7 @@ int mutt_pager(const char *banner, const char *fname, int flags, struct Pager *e
             /* After the mailbox has been updated,
              * rd.index->current might be invalid */
             rd.index->current =
-                MIN(rd.index->current, (Context->mailbox->msg_count - 1));
+                MIN(rd.index->current, MAX(Context->mailbox->msg_count - 1, 0));
             index_hint = Context->mailbox
                              ->emails[Context->mailbox->v2r[rd.index->current]]
                              ->index;