typesafe_cb: simplify, preserve namespace.

[ccan] / ccan / typesafe_cb / test / compile_fail-typesafe_cb_cast-multi.c

diff --git a/ccan/typesafe_cb/test/compile_fail-typesafe_cb_cast-multi.c b/ccan/typesafe_cb/test/compile_fail-typesafe_cb_cast-multi.c
new file mode 100644 (file)
index 0000000..d7d481c
--- /dev/null
+++ b/ccan/typesafe_cb/test/compile_fail-typesafe_cb_cast-multi.c
@@ -0,0 +1,43 @@
+#include <ccan/typesafe_cb/typesafe_cb.h>
+#include <stdlib.h>
+
+struct foo {
+       int x;
+};
+
+struct bar {
+       int x;
+};
+
+struct baz {
+       int x;
+};
+
+struct any {
+       int x;
+};
+
+struct other {
+       int x;
+};
+
+static void take_any(struct any *any)
+{
+}
+
+int main(int argc, char *argv[])
+{
+#ifdef FAIL
+       struct other
+#if !HAVE_TYPEOF || !HAVE_CAST_TO_UNION
+#error "Unfortunately we don't fail if typesafe_cb_cast is a noop."
+#endif
+#else
+       struct foo
+#endif
+               *arg = NULL;
+       take_any(typesafe_cb_cast3(struct any *,
+                                  struct foo *, struct bar *, struct baz *,
+                                  arg));
+       return 0;
+}