94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/log/log.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/ex.h"
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#include "libc/sysv/consts/exit.h"
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#include "libc/sysv/consts/fileno.h"
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#include "third_party/getopt/getopt.h"
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/**
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* @fileoverview Bing: Binary → Glyphs.
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* Intended for oldskool data science.
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*/
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int ispipe_;
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int newlines_;
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noreturn void ShowUsage(FILE *f, int rc) {
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fputs(program_invocation_name, f);
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fputs(": [-p] [-n] [FILE...]\n", f);
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exit(rc);
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}
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void GetOpts(int argc, char *argv[]) {
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int opt;
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while ((opt = getopt(argc, argv, "hpn")) != -1) {
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switch (opt) {
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case 'p':
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ispipe_ = true;
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break;
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case 'n':
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newlines_ = true;
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break;
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case 'h':
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ShowUsage(stdout, EXIT_SUCCESS);
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default:
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ShowUsage(stderr, EX_USAGE);
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}
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}
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}
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void bing(FILE *f) {
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int c, c2;
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while ((c = fgetc(f)) != -1) {
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c2 = c == '\n' && newlines_ ? '\n' : kCp437[c & 0xff];
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if (ispipe_) {
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fputc(c, stdout);
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fputwc(c2, stderr);
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} else {
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fputwc(c2, stdout);
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}
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}
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fputc('\n', ispipe_ ? stderr : stdout);
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}
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int main(int argc, char *argv[]) {
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FILE *f;
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size_t i;
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GetOpts(argc, argv);
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if (optind < argc) {
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for (i = optind; i < argc; ++i) {
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if (!(f = fopen(argv[i], "rb"))) {
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perror(argv[i]);
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exit(EXIT_FAILURE);
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}
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bing(f);
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fclose(f);
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}
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} else {
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bing(stdin);
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}
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return 0;
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}
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