From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Sun, 10 Oct 2021 21:20:52 +0000 (+0100)
Subject: FreeBSD: fix sendfile shim, again
X-Git-Tag: exim-4.96-RC0~156
X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/892243cef79ceb0251c6e742a26556fc8fb405f6

FreeBSD: fix sendfile shim, again
---

diff --git a/src/OS/os.c-FreeBSD b/src/OS/os.c-FreeBSD
index 38df91cf4..ac833a29f 100644
--- a/src/OS/os.c-FreeBSD
+++ b/src/OS/os.c-FreeBSD
@@ -16,7 +16,8 @@ Sendfile shim
 ssize_t
 os_sendfile(int out, int in, off_t * offp, size_t cnt)
 {
-off_t loff = *offp, written;
+off_t loff = offp ? *offp : 0;
+off_t written;
 
 if (sendfile(in, out, loff, cnt, NULL, &written, 0) < 0) return (ssize_t)-1;
 if (offp) *offp = loff + written;