File: small-struct.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (44 lines) | stat: -rw-r--r-- 1,116 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
// CONFIG

#import <stdio.h>
#import <stdlib.h>
#import <string.h>

typedef struct {
  int a;
  int b;
} MiniStruct;

int main (int argc, const char * argv[]) {
    MiniStruct inny;
    MiniStruct outty;
    MiniStruct (^copyStruct)(MiniStruct);
    
    memset(&inny, 0xA5, sizeof(inny));
    memset(&outty, 0x2A, sizeof(outty));    
    
    inny.a = 12;
    inny.b = 42;

    copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; };  // pass-by-value intrinsically copies the argument
    
    outty = copyStruct(inny);

    if ( &inny == &outty ) {
        printf("%s: struct wasn't copied.", argv[0]);
        exit(1);
    }
    if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
        printf("%s: struct contents did not match.", argv[0]);
        exit(1);
    }
    
    printf("%s: success\n", argv[0]);
    return 0;
}