brintos / llvm-project-archived public Read only

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-exception5 6//  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-7// CONFIG8 9#import <stdio.h>10#import <stdlib.h>11#import <string.h>12 13typedef struct {14    unsigned long ps[30];15    int qs[30];16} BobTheStruct;17 18int main (int argc, const char * argv[]) {19    __block BobTheStruct fiddly;20    BobTheStruct copy;21 22    void (^incrementFiddly)() = ^{23        int i;24        for(i=0; i<30; i++) {25            fiddly.ps[i]++;26            fiddly.qs[i]++;27        }28    };29    30    memset(&fiddly, 0xA5, sizeof(fiddly));31    memset(&copy, 0x2A, sizeof(copy));    32    33    int i;34    for(i=0; i<30; i++) {35        fiddly.ps[i] = i * i * i;36        fiddly.qs[i] = -i * i * i;37    }38    39    copy = fiddly;40    incrementFiddly();41 42    if ( &copy == &fiddly ) {43        printf("%s: struct wasn't copied.", argv[0]);44        exit(1);45    }46    for(i=0; i<30; i++) {47        //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]);48        if ( (fiddly.ps[i] != copy.ps[i] + 1) || (fiddly.qs[i] != copy.qs[i] + 1) ) {49            printf("%s: struct contents were not incremented.", argv[0]);50            exit(1);51        }52    }53    54    printf("%s: success\n", argv[0]);55    return 0;56}57