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c2d8b8ec14
Probably doesn't matter too too much since the program exits almost immediately after, but there's the principle of the thing to consider.
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
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{
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if (pledge("stdio", nullptr) > 0) {
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perror("pledge");
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return 1;
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}
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Vector<String> lines;
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char* buffer = nullptr;
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for (;;) {
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size_t n = 0;
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errno = 0;
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ssize_t buflen = getline(&buffer, &n, stdin);
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if (buflen == -1 && errno != 0) {
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perror("getline");
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exit(1);
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}
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if (buflen == -1)
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break;
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lines.append({ buffer, AK::ShouldChomp::Chomp });
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}
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free(buffer);
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// Fisher-Yates shuffle
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String tmp;
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for (size_t i = lines.size() - 1; i >= 1; --i) {
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size_t j = arc4random_uniform(i + 1);
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// Swap i and j
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if (i == j)
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continue;
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tmp = move(lines[j]);
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lines[j] = move(lines[i]);
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lines[i] = move(tmp);
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}
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for (auto& line : lines) {
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fputs(line.characters(), stdout);
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fputc('\n', stdout);
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}
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return 0;
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}
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