1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
18 *
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
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/types.h>
33 #include <sys/capsicum.h>
34 #include <capsicum_helpers.h>
35 #include <err.h>
36 #include <locale.h>
37 #include <stdlib.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include "hexdump.h"
41
42 FS *fshead; /* head of format strings */
43 int blocksize; /* data block size */
44 int exitval; /* final exit value */
45 int length = -1; /* max bytes to read */
46
47 int
main(int argc,char * argv[])48 main(int argc, char *argv[])
49 {
50 FS *tfs;
51 char *p;
52
53 (void)setlocale(LC_ALL, "");
54
55 if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
56 newsyntax(argc, &argv);
57 else
58 oldsyntax(argc, &argv);
59
60 /* figure out the data block size */
61 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
62 tfs->bcnt = size(tfs);
63 if (blocksize < tfs->bcnt)
64 blocksize = tfs->bcnt;
65 }
66 /* rewrite the rules, do syntax checking */
67 for (tfs = fshead; tfs; tfs = tfs->nextfs)
68 rewrite(tfs);
69
70 /*
71 * Cache NLS data, for strerror, for err(3), before entering capability
72 * mode.
73 */
74 caph_cache_catpages();
75 if (caph_limit_stdio() < 0)
76 err(1, "capsicum");
77
78 (void)next(argv);
79 display();
80 exit(exitval);
81 }
82