| /* APPLE LOCAL file radar 5925781 */ |
| /* Test for the "nonnull" function attribute. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-Wnonnull" } */ |
| |
| #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); /* { dg-warning "null" "null with argless nonnull 1" } */ |
| func1(cp1, NULL, i1); /* { dg-warning "null" "null with argless nonnull 2" } */ |
| func1(cp1, cp2, 0); |
| |
| |
| func3(NULL, i2, cp3, i3); /* { dg-warning "null" "null with explicit nonnull 1" } */ |
| func3(cp3, i2, NULL, i3); /* { dg-warning "null" "null with explicit nonnull 3" } */ |
| |
| func4(NULL, cp1); /* { dg-warning "null" "null with multiple attributes 1" } */ |
| func4(cp1, NULL); /* { dg-warning "null" "null with multiple attributes 2" } */ |
| } |