llvm-project/compiler-rt/test/BlocksRuntime/copynull.c

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2010-08-05 07:34:21 +08:00
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
/*
* copynull.c
* testObjects
*
* Created by Blaine Garst on 10/15/08.
*
*/
#import <stdio.h>
#import <Block.h>
#import <Block_private.h>
// CONFIG rdar://6295848
int main(int argc, char *argv[]) {
void (^block)(void) = (void (^)(void))0;
void (^blockcopy)(void) = Block_copy(block);
if (blockcopy != (void (^)(void))0) {
printf("whoops, somehow we copied NULL!\n");
return 1;
}
// make sure we can also
Block_release(blockcopy);
// and more secretly
//_Block_destroy(blockcopy);
printf("%s: success\n", argv[0]);
return 0;
}