X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=typesafe_cb%2Ftest%2Fcompile_fail-cast_if_type.c;fp=typesafe_cb%2Ftest%2Fcompile_fail-cast_if_type.c;h=2ab3fa2398f29fa6940f4952471467195202e08b;hb=eded23d444462d115adf0a96b36b7b86a118f7b4;hp=0000000000000000000000000000000000000000;hpb=9927eebe7c5c257c990d86baaa8760994195d48b;p=ccan

diff --git a/typesafe_cb/test/compile_fail-cast_if_type.c b/typesafe_cb/test/compile_fail-cast_if_type.c
new file mode 100644
index 00000000..2ab3fa23
--- /dev/null
+++ b/typesafe_cb/test/compile_fail-cast_if_type.c
@@ -0,0 +1,22 @@
+#include "typesafe_cb/typesafe_cb.h"
+
+void _set_some_value(void *val);
+
+void _set_some_value(void *val)
+{
+}
+
+#define set_some_value(expr)						\
+	_set_some_value(cast_if_type((expr), unsigned long, void *))
+
+int main(int argc, char *argv[])
+{
+#ifdef FAIL
+	int x = 0;
+	set_some_value(x);
+#else
+	void *p = 0;
+	set_some_value(p);
+#endif
+	return 0;
+}