Blaine Garst | 86d0ba4 | 2010-08-04 23:34:21 +0000 | [diff] [blame] | 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 | |
| 14 | typedef struct { |
| 15 | int a; |
| 16 | int b; |
| 17 | } MiniStruct; |
| 18 | |
| 19 | int 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 | } |