block-nonnull-test.C [plain text]
#include <stddef.h>
extern void func1 (void (^block1)(), void (^block2)(), int) __attribute__((nonnull));
extern void func3 (void (^block1)(), int, void (^block2)(), int)
__attribute__((nonnull(1,3)));
extern void func4 (void (^block1)(), void (^block2)()) __attribute__((nonnull(1)))
__attribute__((nonnull(2)));
void
foo (int i1, int i2, int i3, void (^cp1)(), void (^cp2)(), void (^cp3)())
{
func1(cp1, cp2, i1);
func1(NULL, cp2, i1);
func1(cp1, NULL, i1);
func1(cp1, cp2, 0);
func3(NULL, i2, cp3, i3);
func3(cp3, i2, NULL, i3);
func4(NULL, cp1);
func4(cp1, NULL);
}