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-rw-r--r--src/OS/os.c-FreeBSD3
1 files changed, 2 insertions, 1 deletions
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;