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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/o.h"
int main(int argc, char *argv[]) {
char *p;
int i, j, rc, fd;
char16_t glyphs[17] = {0};
p = malloc(4096);
fd = open(".", O_RDONLY | O_DIRECTORY | O_CLOEXEC, 0);
if ((rc = getdents(fd, p, 4096)) != -1) {
for (i = 0; i < ROUNDUP(rc, 16); ++i) {
if (i % 16 == 0) printf("%08x ", i);
if (i < rc) {
glyphs[i % 16] = kCp437[p[i] & 0xff];
printf("%02x ", p[i] & 0xff);
} else {
glyphs[i % 16] = u'\0';
printf(" ");
}
if (i % 8 == 7) printf(" ");
if (i % 16 == 15) printf("%hs\n", glyphs);
}
}
close(fd);
free(p);
return 0;
}