compiler-rt/test/BlocksRuntime/byrefcopy.c

   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 //  byrefcopy.m
   8 //  testObjects
   9 //
  10 //  Created by Blaine Garst on 5/13/08.
  11 //
  12
  13 #include <stdio.h>
  14 #include <Block.h>
  15 #include <Block_private.h>
  16
  17 // CONFIG
  18
  19 void callVoidVoid(void (^closure)(void)) {
  20     closure();
  21 }
  22
  23 int main(int argc, char *argv[]) {
  24     int __block i = 10;
  25
  26     void (^block)(void) = ^{ ++i; };
  27     //printf("original (old style) is  %s\n", _Block_dump_old(block));
  28     //printf("original (new style) is %s\n", _Block_dump(block));
  29     void (^blockcopy)(void) = Block_copy(block);
  30     //printf("copy is %s\n", _Block_dump(blockcopy));
  31     // use a copy & see that it updates i
  32     callVoidVoid(block);
  33
  34     if (i != 11) {
  35         printf("*** %s didn't update i\n", argv[0]);
  36         return 1;
  37     }
  38     printf("%s: success\n", argv[0]);
  39     return 0;
  40 }