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#import <stdarg.h>
13
14
15int main (int argc, const char * argv[]) {
16 int (^sumn)(int n, ...) = ^(int n, ...){
17 int result = 0;
18 va_list numbers;
19 int i;
20
21 va_start(numbers, n);
22 for (i = 0 ; i < n ; i++) {
23 result += va_arg(numbers, int);
24 }
25 va_end(numbers);
26
27 return result;
28 };
29 int six = sumn(3, 1, 2, 3);
30
31 if ( six != 6 ) {
32 printf(format: "%s: Expected 6 but got %d\n", argv[0], six);
33 exit(status: 1);
34 }
35
36 printf(format: "%s: success\n", argv[0]);
37 return 0;
38}
39

source code of compiler-rt/test/BlocksRuntime/varargs.c