1//
2//                     The LLVM Compiler Infrastructure
3//
4// This file is distributed under the University of Illinois Open Source
5// License. See LICENSE.TXT for details.
6
7//  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
8// CONFIG
9
10#import <stdio.h>
11#import <stdlib.h>
12#import <string.h>
13
14typedef struct {
15  int a;
16  int b;
17} MiniStruct;
18
19int main (int argc, const char * argv[]) {
20    MiniStruct inny;
21    MiniStruct outty;
22    MiniStruct (^copyStruct)(MiniStruct);
23
24    memset(&inny, 0xA5, sizeof(inny));
25    memset(&outty, 0x2A, sizeof(outty));
26
27    inny.a = 12;
28    inny.b = 42;
29
30    copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; };  // pass-by-value intrinsically copies the argument
31
32    outty = copyStruct(inny);
33
34    if ( &inny == &outty ) {
35        printf("%s: struct wasn't copied.", argv[0]);
36        exit(1);
37    }
38    if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
39        printf("%s: struct contents did not match.", argv[0]);
40        exit(1);
41    }
42
43    printf("%s: success\n", argv[0]);
44    return 0;
45}
46