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    unsigned long ps[30];
16    int qs[30];
17} BobTheStruct;
18
19int main (int argc, const char * argv[]) {
20    BobTheStruct inny;
21    BobTheStruct outty;
22    BobTheStruct (^copyStruct)(BobTheStruct);
23    int i;
24
25    memset(&inny, 0xA5, sizeof(inny));
26    memset(&outty, 0x2A, sizeof(outty));
27
28    for(i=0; i<30; i++) {
29        inny.ps[i] = i * i * i;
30        inny.qs[i] = -i * i * i;
31    }
32
33    copyStruct = ^(BobTheStruct aBigStruct){ return aBigStruct; };  // pass-by-value intrinsically copies the argument
34
35    outty = copyStruct(inny);
36
37    if ( &inny == &outty ) {
38        printf("%s: struct wasn't copied.", argv[0]);
39        exit(1);
40    }
41    for(i=0; i<30; i++) {
42        if ( (inny.ps[i] != outty.ps[i]) || (inny.qs[i] != outty.qs[i]) ) {
43            printf("%s: struct contents did not match.", argv[0]);
44            exit(1);
45        }
46    }
47
48    printf("%s: success\n", argv[0]);
49
50    return 0;
51}
52