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      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     unsigned long ps[30];
     16     int qs[30];
     17 } BobTheStruct;
     18 
     19 int main (int argc, const char * argv[]) {
     20     __block BobTheStruct fiddly;
     21     BobTheStruct copy;
     22 
     23     void (^incrementFiddly)() = ^{
     24         int i;
     25         for(i=0; i<30; i++) {
     26             fiddly.ps[i]++;
     27             fiddly.qs[i]++;
     28         }
     29     };
     30 
     31     memset(&fiddly, 0xA5, sizeof(fiddly));
     32     memset(&copy, 0x2A, sizeof(copy));
     33 
     34     int i;
     35     for(i=0; i<30; i++) {
     36         fiddly.ps[i] = i * i * i;
     37         fiddly.qs[i] = -i * i * i;
     38     }
     39 
     40     copy = fiddly;
     41     incrementFiddly();
     42 
     43     if ( &copy == &fiddly ) {
     44         printf("%s: struct wasn't copied.", argv[0]);
     45         exit(1);
     46     }
     47     for(i=0; i<30; i++) {
     48         //printf("[%d]: fiddly.ps: %lu, copy.ps: %lu, fiddly.qs: %d, copy.qs: %d\n", i, fiddly.ps[i], copy.ps[i], fiddly.qs[i], copy.qs[i]);
     49         if ( (fiddly.ps[i] != copy.ps[i] + 1) || (fiddly.qs[i] != copy.qs[i] + 1) ) {
     50             printf("%s: struct contents were not incremented.", argv[0]);
     51             exit(1);
     52         }
     53     }
     54 
     55     printf("%s: success\n", argv[0]);
     56     return 0;
     57 }
     58