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 // -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
7 // CONFIG
8
9 #import <stdio.h>
10 #import <stdlib.h>
11 #import <string.h>
12
13 typedef struct {
14 int a;
15 int b;
16 } MiniStruct;
17
main(int argc,const char * argv[])18 int main (int argc, const char * argv[]) {
19 MiniStruct inny;
20 MiniStruct outty;
21 MiniStruct (^copyStruct)(MiniStruct);
22
23 memset(&inny, 0xA5, sizeof(inny));
24 memset(&outty, 0x2A, sizeof(outty));
25
26 inny.a = 12;
27 inny.b = 42;
28
29 copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; }; // pass-by-value intrinsically copies the argument
30
31 outty = copyStruct(inny);
32
33 if ( &inny == &outty ) {
34 printf("%s: struct wasn't copied.", argv[0]);
35 exit(1);
36 }
37 if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
38 printf("%s: struct contents did not match.", argv[0]);
39 exit(1);
40 }
41
42 printf("%s: success\n", argv[0]);
43 return 0;
44 }
45