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33 lines
1001 B
33 lines
1001 B
//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
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// CONFIG error: incompatible block pointer types assigning
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#import <stdio.h>
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#import <stdlib.h>
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int main(int argc, char *argv[]) {
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#ifndef __cplusplus
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char (^rot13)();
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rot13 = ^(char c) { return (char)(((c - 'a' + 13) % 26) + 'a'); };
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char n = rot13('a');
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char c = rot13('p');
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if ( n != 'n' || c != 'c' ) {
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printf("%s: rot13('a') returned %c, rot13('p') returns %c\n", argv[0], n, c);
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exit(1);
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}
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#else
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// yield characteristic error message for C++
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#error incompatible block pointer types assigning
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#endif
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#ifndef __clang__
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// yield characteristic error message for C++
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#error incompatible block pointer types assigning
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#endif
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printf("%s: success\n", argv[0]);
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exit(0);
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}
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