| 1 | // |
|---|
| 2 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 3 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 4 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 5 | |
|---|
| 6 | // |
|---|
| 7 | // nullblockisa.m |
|---|
| 8 | // testObjects |
|---|
| 9 | // |
|---|
| 10 | // Created by Blaine Garst on 9/24/08. |
|---|
| 11 | // |
|---|
| 12 | // CONFIG rdar://6244520 |
|---|
| 13 | |
|---|
| 14 | |
|---|
| 15 | |
|---|
| 16 | #include <stdio.h> |
|---|
| 17 | #include <stdlib.h> |
|---|
| 18 | #include <Block_private.h> |
|---|
| 19 | |
|---|
| 20 | |
|---|
| 21 | void check(void (^b)(void)) { |
|---|
| 22 | struct _custom { |
|---|
| 23 | struct Block_layout layout; |
|---|
| 24 | struct Block_byref *innerp; |
|---|
| 25 | } *custom = (struct _custom *)(void *)(b); |
|---|
| 26 | //printf("block is at %p, size is %lx, inner is %p\n", (void *)b, Block_size(b), innerp); |
|---|
| 27 | if (custom->innerp->isa != (void *)NULL) { |
|---|
| 28 | printf(format: "not a NULL __block isa\n" ); |
|---|
| 29 | exit(status: 1); |
|---|
| 30 | } |
|---|
| 31 | return; |
|---|
| 32 | } |
|---|
| 33 | |
|---|
| 34 | int main(int argc, char *argv[]) { |
|---|
| 35 | |
|---|
| 36 | __block int i; |
|---|
| 37 | |
|---|
| 38 | check(b: ^{ printf(format: "%d\n" , ++i); }); |
|---|
| 39 | printf(format: "%s: success\n" , argv[0]); |
|---|
| 40 | return 0; |
|---|
| 41 | } |
|---|
| 42 | |
|---|
| 43 | |
|---|
