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88 lines
2.9 KiB
88 lines
2.9 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/*
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BSD 3-Clause License
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Copyright (c) 2021, Ruthenic
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All rights reserved.
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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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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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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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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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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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/*
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yes - spams a message (by default `y`) to stdout.
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Available arguments:
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--help: show this help message.
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--version: show version of the program.
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Usage:
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yes [--help] [--version] [message]
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*/
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int yes(int argc, char **argv) {
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char *spammy = "";
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int len = 2048; // max length of buffer
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char buf[len];
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FILE *stdoutFP = stdout;
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if (argc == 1) {
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spammy = "y\n";
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} else {
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for (int i = 1; i < argc; i++) {
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char *arg = argv[i];
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/*printf(arg);
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printf(" ");*/
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if (!strcmp(arg, "--help")) {
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char *help =
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"Drake's Epic Coreutils (working title) " DRAKECU_VERSION "\n"
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"yes - spams a message (by default `y`) to stdout.\n"
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"Available arguments:\n"
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" --help: show this help message.\n"
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" --version: show version of the program.\n"
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"Usage:\n"
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" yes [--help] [--version] [message]";
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printf("%s\n", help);
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return 0;
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} else if (!strcmp(arg, "--version")) {
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printf("%s\n", DRAKECU_VERSION);
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return 0;
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} else {
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spammy = arg;
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strcat(spammy, "\n");
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}
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}
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}
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int n = 0;
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int splen = strlen(spammy);
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do {
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sprintf(buf, "%s%s", buf, spammy);
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n += splen;
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} while (n+splen < len);
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do {
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fwrite(buf, sizeof(char), len, stdoutFP);
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} while (1);
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}
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