File: k-and-r.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (33 lines) | stat: -rw-r--r-- 973 bytes parent folder | download | duplicates (13)
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
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.

//  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
// CONFIG error: incompatible block pointer types assigning

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

int main(int argc, char *argv[]) {
#ifndef __cplusplus
    char (^rot13)();
    rot13 = ^(char c) { return (char)(((c - 'a' + 13) % 26) + 'a'); };
    char n = rot13('a');
    char c = rot13('p');
    if ( n != 'n' || c != 'c' ) {
        printf("%s: rot13('a') returned %c, rot13('p') returns %c\n", argv[0], n, c);
        exit(1);
    }
#else
// yield characteristic error message for C++
#error incompatible block pointer types assigning
#endif
#ifndef __clang__
// yield characteristic error message for C++
#error incompatible block pointer types assigning
#endif
    printf("%s: success\n", argv[0]);
    exit(0);
}