FreeBSD: fix sendfile shim, again

diff --git a/src/OS/os.c-FreeBSD b/src/OS/os.c-FreeBSD
index 38df91cf4f0e79da324d74df8ba029931c2c52c0..ac833a29f9749386631b5c95348021768148c3d9 100644 (file)
--- 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;