xref: /netbsd-src/usr.bin/hexdump/hexsyntax.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: hexsyntax.c,v 1.6 1997/10/19 02:34:07 lukem Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
40 #else
41 __RCSID("$NetBSD: hexsyntax.c,v 1.6 1997/10/19 02:34:07 lukem Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <sys/types.h>
46 
47 #include <err.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 
53 #include "hexdump.h"
54 
55 off_t skip;				/* bytes to skip */
56 
57 void
58 newsyntax(argc, argvp)
59 	int argc;
60 	char ***argvp;
61 {
62 	int ch;
63 	char *p, **argv;
64 
65 	argv = *argvp;
66 	while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != -1)
67 		switch (ch) {
68 		case 'b':
69 			add("\"%07.7_Ax\n\"");
70 			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
71 			break;
72 		case 'c':
73 			add("\"%07.7_Ax\n\"");
74 			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
75 			break;
76 		case 'd':
77 			add("\"%07.7_Ax\n\"");
78 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
79 			break;
80 		case 'e':
81 			add(optarg);
82 			break;
83 		case 'f':
84 			addfile(optarg);
85 			break;
86 		case 'n':
87 			if ((length = atoi(optarg)) < 0)
88 				errx(1, "%s: bad length value", optarg);
89 			break;
90 		case 'o':
91 			add("\"%07.7_Ax\n\"");
92 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
93 			break;
94 		case 's':
95 			if ((skip = strtol(optarg, &p, 0)) < 0)
96 				errx(1, "%s: bad skip value", optarg);
97 			switch(*p) {
98 			case 'b':
99 				skip *= 512;
100 				break;
101 			case 'k':
102 				skip *= 1024;
103 				break;
104 			case 'm':
105 				skip *= 1048576;
106 				break;
107 			}
108 			break;
109 		case 'v':
110 			vflag = ALL;
111 			break;
112 		case 'x':
113 			add("\"%07.7_Ax\n\"");
114 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
115 			break;
116 		case '?':
117 			usage();
118 		}
119 
120 	if (!fshead) {
121 		add("\"%07.7_Ax\n\"");
122 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
123 	}
124 
125 	*argvp += optind;
126 }
127 
128 void
129 usage()
130 {
131 	(void)fprintf(stderr,
132 "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
133 	exit(1);
134 }
135