1/*-
2 * Copyright (c) 1990, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31#if 0
32static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
33#endif
34#endif /* not lint */
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <sys/types.h>
39
40#include <err.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <unistd.h>
45
46#include "hexdump.h"
47
48off_t skip;				/* bytes to skip */
49
50void
51newsyntax(int argc, char ***argvp)
52{
53	int ch;
54	char *p, **argv;
55
56	argv = *argvp;
57	if ((p = strrchr(argv[0], 'h')) != NULL &&
58	    strcmp(p, "hd") == 0) {
59		/* "Canonical" format, implies -C. */
60		add("\"%08.8_Ax\n\"");
61		add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
62		add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
63	}
64	while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
65		switch (ch) {
66		case 'b':
67			add("\"%07.7_Ax\n\"");
68			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
69			break;
70		case 'c':
71			add("\"%07.7_Ax\n\"");
72			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
73			break;
74		case 'C':
75			add("\"%08.8_Ax\n\"");
76			add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
77			add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
78			break;
79		case 'd':
80			add("\"%07.7_Ax\n\"");
81			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
82			break;
83		case 'e':
84			add(optarg);
85			break;
86		case 'f':
87			addfile(optarg);
88			break;
89		case 'n':
90			if ((length = atoi(optarg)) < 0)
91				errx(1, "%s: bad length value", optarg);
92			break;
93		case 'o':
94			add("\"%07.7_Ax\n\"");
95			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
96			break;
97		case 's':
98			if ((skip = strtoll(optarg, &p, 0)) < 0)
99				errx(1, "%s: bad skip value", optarg);
100			switch(*p) {
101			case 'b':
102				skip *= 512;
103				break;
104			case 'k':
105				skip *= 1024;
106				break;
107			case 'm':
108				skip *= 1048576;
109				break;
110			}
111			break;
112		case 'v':
113			vflag = ALL;
114			break;
115		case 'x':
116			add("\"%07.7_Ax\n\"");
117			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
118			break;
119		case '?':
120			usage();
121		}
122
123	if (!fshead) {
124		add("\"%07.7_Ax\n\"");
125		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
126	}
127
128	*argvp += optind;
129}
130
131void
132usage(void)
133{
134	(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
135"usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]",
136"               [-s skip] [file ...]",
137"       hd      [-bcdovx]  [-e fmt] [-f fmt_file] [-n length]",
138"               [-s skip] [file ...]");
139	exit(1);
140}
141