hexsyntax.c revision 23693 
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 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
36#endif /* not lint */
37
38#include <sys/types.h>
39
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43#include <unistd.h>
44
45#include "hexdump.h"
46
47off_t skip;				/* bytes to skip */
48
49void
50newsyntax(argc, argvp)
51	int argc;
52	char ***argvp;
53{
54	extern enum _vflag vflag;
55	extern FS *fshead;
56	extern int length;
57	int ch;
58	char *p, **argv;
59
60	argv = *argvp;
61	if ((p = rindex(argv[0], 'h')) != NULL &&
62	    strcmp(p, "hd") == 0) {
63		/* "Canonical" format, implies -C. */
64		add("\"%08.8_Ax\n\"");
65		add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
66		add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
67	}
68	while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != EOF)
69		switch (ch) {
70		case 'b':
71			add("\"%07.7_Ax\n\"");
72			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
73			break;
74		case 'c':
75			add("\"%07.7_Ax\n\"");
76			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
77			break;
78		case 'C':
79			add("\"%08.8_Ax\n\"");
80			add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
81			add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
82			break;
83		case 'd':
84			add("\"%07.7_Ax\n\"");
85			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
86			break;
87		case 'e':
88			add(optarg);
89			break;
90		case 'f':
91			addfile(optarg);
92			break;
93		case 'n':
94			if ((length = atoi(optarg)) < 0)
95				err("%s: bad length value", optarg);
96			break;
97		case 'o':
98			add("\"%07.7_Ax\n\"");
99			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
100			break;
101		case 's':
102			if ((skip = strtol(optarg, &p, 0)) < 0)
103				err("%s: bad skip value", optarg);
104			switch(*p) {
105			case 'b':
106				skip *= 512;
107				break;
108			case 'k':
109				skip *= 1024;
110				break;
111			case 'm':
112				skip *= 1048576;
113				break;
114			}
115			break;
116		case 'v':
117			vflag = ALL;
118			break;
119		case 'x':
120			add("\"%07.7_Ax\n\"");
121			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
122			break;
123		case '?':
124			usage();
125		}
126
127	if (!fshead) {
128		add("\"%07.7_Ax\n\"");
129		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
130	}
131
132	*argvp += optind;
133}
134
135void
136usage()
137{
138	(void)fprintf(stderr,
139"hexdump: [-bcCdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
140	exit(1);
141}
142