test/BlocksRuntime/varargs.c

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