| 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 | unsigned long ps[30]; |
| 15 | int qs[30]; |
| 16 | } BobTheStruct; |
| 17 | |
| 18 | int main (int argc, const char * argv[]) { |
| 19 | BobTheStruct inny; |
| 20 | BobTheStruct outty; |
| 21 | BobTheStruct (^copyStruct)(BobTheStruct); |
| 22 | int i; |
| 23 | |
| 24 | memset(s: &inny, c: 0xA5, n: sizeof(inny)); |
| 25 | memset(s: &outty, c: 0x2A, n: sizeof(outty)); |
| 26 | |
| 27 | for(i=0; i<30; i++) { |
| 28 | inny.ps[i] = i * i * i; |
| 29 | inny.qs[i] = -i * i * i; |
| 30 | } |
| 31 | |
| 32 | copyStruct = ^(BobTheStruct aBigStruct){ return aBigStruct; }; // pass-by-value intrinsically copies the argument |
| 33 | |
| 34 | outty = copyStruct(inny); |
| 35 | |
| 36 | if ( &inny == &outty ) { |
| 37 | printf(format: "%s: struct wasn't copied.", argv[0]); |
| 38 | exit(status: 1); |
| 39 | } |
| 40 | for(i=0; i<30; i++) { |
| 41 | if ( (inny.ps[i] != outty.ps[i]) || (inny.qs[i] != outty.qs[i]) ) { |
| 42 | printf(format: "%s: struct contents did not match.", argv[0]); |
| 43 | exit(status: 1); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | printf(format: "%s: success\n", argv[0]); |
| 48 | |
| 49 | return 0; |
| 50 | } |
| 51 |