2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 static const char copyright[] =
34 "@(#) Copyright (c) 1989, 1993\n\
35 The Regents of the University of California. All rights reserved.\n";
40 static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #include <sys/types.h>
47 #include <sys/capsicum.h>
48 #include <capsicum_helpers.h>
56 FS *fshead; /* head of format strings */
57 int blocksize; /* data block size */
58 int exitval; /* final exit value */
59 int length = -1; /* max bytes to read */
62 main(int argc, char *argv[])
67 (void)setlocale(LC_ALL, "");
69 if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
70 newsyntax(argc, &argv);
72 oldsyntax(argc, &argv);
74 /* figure out the data block size */
75 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
76 tfs->bcnt = size(tfs);
77 if (blocksize < tfs->bcnt)
78 blocksize = tfs->bcnt;
80 /* rewrite the rules, do syntax checking */
81 for (tfs = fshead; tfs; tfs = tfs->nextfs)
85 * Cache NLS data, for strerror, for err(3), before entering capability
88 caph_cache_catpages();
89 if (caph_limit_stdio() < 0)