X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ffailtest%2Ffailtest.c;h=0f2ab0c7f2cda15464d0ee7dc81b16d34e25b602;hp=334295ad158ed8a8852c5bfe7487b7db0666e303;hb=5caaeab8a7448390eb857006f9b3704de60cf115;hpb=caf366998b97b7cc29bc1f33c285feb2f5d33bff

diff --git a/ccan/failtest/failtest.c b/ccan/failtest/failtest.c
index 334295ad..0f2ab0c7 100644
--- a/ccan/failtest/failtest.c
+++ b/ccan/failtest/failtest.c
@@ -84,8 +84,9 @@ static struct failtest_call *add_history_(enum failtest_call_type type,
 #define add_history(type, file, line, elem) \
 	add_history_((type), (file), (line), (elem), sizeof(*(elem)))
 
+/* We do a fake call inside a sizeof(), to check types. */
 #define set_cleanup(call, clean, type)			\
-	(call)->cleanup = (void *)((void)sizeof(clean((type *)NULL)), (clean))
+	(call)->cleanup = (void *)((void)sizeof(clean((type *)NULL),1), (clean))
 
 static bool read_write_info(int fd)
 {