Merge 2610c05b5b95cc7036b3d6dfb894c6cfbdb68483 as Samba-4.0alpha16samba-4.0.0alpha16

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/ccan/typesafe_cb/test/compile_fail-typesafe_cb_postargs.c b/lib/ccan/typesafe_cb/test/compile_fail-typesafe_cb_postargs.c
new file mode 100644
index 00000000000..7d3530851d5
--- /dev/null
+++ b/lib/ccan/typesafe_cb/test/compile_fail-typesafe_cb_postargs.c
@@ -0,0 +1,27 @@
+#include <ccan/typesafe_cb/typesafe_cb.h>
+#include <stdlib.h>
+
+static void _register_callback(void (*cb)(void *arg, int x), void *arg)
+{
+}
+#define register_callback(cb, arg)				\
+	_register_callback(typesafe_cb_postargs(void, void *, (cb), (arg), int), (arg))
+
+static void my_callback(char *p, int x)
+{
+}
+
+int main(int argc, char *argv[])
+{
+#ifdef FAIL
+	int *p;
+#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P
+#error "Unfortunately we don't fail if typesafe_cb_cast is a noop."
+#endif
+#else
+	char *p;
+#endif
+	p = NULL;
+	register_callback(my_callback, p);
+	return 0;
+}