| 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 | |
| 18 | int main (int argc, const char * argv[]) { |
| 19 | MiniStruct inny; |
| 20 | MiniStruct outty; |
| 21 | MiniStruct (^copyStruct)(MiniStruct); |
| 22 | |
| 23 | memset(s: &inny, c: 0xA5, n: sizeof(inny)); |
| 24 | memset(s: &outty, c: 0x2A, n: 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(format: "%s: struct wasn't copied.", argv[0]); |
| 35 | exit(status: 1); |
| 36 | } |
| 37 | if ( (inny.a != outty.a) || (inny.b != outty.b) ) { |
| 38 | printf(format: "%s: struct contents did not match.", argv[0]); |
| 39 | exit(status: 1); |
| 40 | } |
| 41 | |
| 42 | printf(format: "%s: success\n", argv[0]); |
| 43 | return 0; |
| 44 | } |
| 45 |