From 379c61ad042cd5c10f3efbafe6425b5e8cc9347b Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Thu, 7 Feb 2019 20:30:06 -0800
Subject: ffi: don't pad void return size to sizeof (ffi_arg).

* ffi.c (pad_retval): If the size is zero, don't pad it.
---
 ffi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ffi.c')

diff --git a/ffi.c b/ffi.c
index c21a004c..d9db41f8 100644
--- a/ffi.c
+++ b/ffi.c
@@ -64,7 +64,7 @@
 
 #define alignof(type) offsetof(struct {char x; type y;}, y)
 
-#define pad_retval(size) (convert(size_t, size) > sizeof (ffi_arg) \
+#define pad_retval(size) (!(size) || convert(size_t, size) > sizeof (ffi_arg) \
                           ? (size) \
                           : sizeof (ffi_arg))
 
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