1/*	$NetBSD: hexdump.c,v 1.16 2010/11/27 20:46:38 christos Exp $	*/
2
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#if HAVE_NBTOOL_CONFIG_H
33#include "nbtool_config.h"
34#endif
35
36#include <sys/cdefs.h>
37#if !defined(lint)
38__COPYRIGHT("@(#) Copyright (c) 1989, 1993\
39 The Regents of the University of California.  All rights reserved.");
40#if 0
41static char sccsid[] = "@(#)hexdump.c	8.1 (Berkeley) 6/6/93";
42#else
43__RCSID("$NetBSD: hexdump.c,v 1.16 2010/11/27 20:46:38 christos Exp $");
44#endif
45#endif /* not lint */
46
47#include <sys/types.h>
48
49#include <errno.h>
50#include <locale.h>
51#include <stdlib.h>
52#include <stdio.h>
53#include <string.h>
54
55#include "hexdump.h"
56
57FS *fshead;				/* head of format strings */
58int blocksize;				/* data block size */
59int exitval;				/* final exit value */
60int length = -1;			/* max bytes to read */
61static int isod = 0;
62
63int
64main(int argc, char *argv[])
65{
66	FS *tfs;
67	char *p;
68
69	setlocale(LC_ALL, "");
70
71	isod = 0;
72	p = strrchr(argv[0], 'o');
73	if (p != NULL && strcmp(p, "od") == 0)
74		isod = 1;
75
76	if (isod)
77		odsyntax(argc, &argv);
78	else
79		hexsyntax(argc, &argv);
80
81	/* figure out the data block size */
82	for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
83		tfs->bcnt = size(tfs);
84		if (blocksize < tfs->bcnt)
85			blocksize = tfs->bcnt;
86	}
87	/* rewrite the rules, do syntax checking */
88	for (tfs = fshead; tfs; tfs = tfs->nextfs)
89		rewrite(tfs);
90
91	(void)next(argv);
92	display();
93	exit(exitval);
94}
95
96void
97usage(void)
98{
99	const char *pname = getprogname();
100
101	(void)fprintf(stderr, "Usage: %s ", pname);
102	if (isod)
103		(void)fprintf(stderr, "[-aBbcDdeFfHhIiLlOovXx] [-A base] "
104		    "[-j skip] [-N length] [-t type_string] [[+]offset[.][Bb]] "
105		    "[file ...]\n");
106	else
107		(void)fprintf(stderr, "[-bcCdovx] [-e fmt] [-f fmt_file] "
108		    "[-n length] [-s skip] [file ...]\n");
109	exit(1);
110}
111