1/*	$OpenBSD: hexsyntax.c,v 1.14 2022/12/04 23:50:48 cheloha Exp $	*/
2/*	$NetBSD: hexsyntax.c,v 1.8 1998/04/08 23:48:57 jeremy Exp $	*/
3
4/*-
5 * Copyright (c) 1990, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/types.h>
34
35#include <err.h>
36#include <errno.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41
42#include "hexdump.h"
43
44off_t skip;				/* bytes to skip */
45
46static __dead void	 usage(void);
47
48void
49newsyntax(int argc, char ***argvp)
50{
51	int ch;
52	char *p, **argv;
53
54	argv = *argvp;
55	while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
56		switch (ch) {
57		case 'b':
58			add("\"%07.7_Ax\n\"");
59			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
60			break;
61		case 'c':
62			add("\"%07.7_Ax\n\"");
63			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
64			break;
65		case 'C':
66			add("\"%08.8_Ax\n\"");
67			add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
68			add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
69			break;
70		case 'd':
71			add("\"%07.7_Ax\n\"");
72			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
73			break;
74		case 'e':
75			add(optarg);
76			break;
77		case 'f':
78			addfile(optarg);
79			break;
80		case 'n':
81			errno = 0;
82			if ((length = strtol(optarg, NULL, 0)) < 0 ||
83			    errno != 0)
84				errx(1, "%s: bad length value", optarg);
85			break;
86		case 'o':
87			add("\"%07.7_Ax\n\"");
88			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
89			break;
90		case 's':
91			errno = 0;
92			if ((skip = (off_t)strtoll(optarg, &p, 0)) < 0 ||
93			    errno != 0)
94				errx(1, "%s: bad skip value", optarg);
95			switch(*p) {
96			case 'b':
97				skip *= 512;
98				break;
99			case 'k':
100				skip *= 1024;
101				break;
102			case 'm':
103				skip *= 1048576;
104				break;
105			}
106			break;
107		case 'v':
108			vflag = ALL;
109			break;
110		case 'x':
111			add("\"%07.7_Ax\n\"");
112			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
113			break;
114		default:
115			usage();
116		}
117
118	if (!fshead) {
119		add("\"%07.7_Ax\n\"");
120		add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
121	}
122
123	*argvp += optind;
124}
125
126static __dead void
127usage(void)
128{
129	extern char *__progname;
130	fprintf(stderr, "usage: %s [-bCcdovx] [-e format_string] "
131			"[-f format_file] [-n length]\n"
132			"\t[-s offset] [file ...]\n", __progname);
133	exit(1);
134}
135