51 lines
2.7 KiB
C
51 lines
2.7 KiB
C
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/*-*- 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/calls/internal.h"
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#include "libc/mem/mem.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/o.h"
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int main(int argc, char *argv[]) {
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char *p;
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int i, j, rc, fd;
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char16_t glyphs[17] = {0};
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p = malloc(4096);
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fd = open(".", O_RDONLY | O_DIRECTORY | O_CLOEXEC, 0);
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if ((rc = getdents(fd, p, 4096)) != -1) {
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for (i = 0; i < ROUNDUP(rc, 16); ++i) {
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if (i % 16 == 0) printf("%08x ", i);
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if (i < rc) {
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glyphs[i % 16] = kCp437[p[i] & 0xff];
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printf("%02x ", p[i] & 0xff);
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} else {
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glyphs[i % 16] = u'\0';
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printf(" ");
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}
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if (i % 8 == 7) printf(" ");
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if (i % 16 == 15) printf("%hs\n", glyphs);
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}
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}
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close(fd);
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free(p);
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return 0;
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}
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