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
44 off_t skip; /* bytes to skip */
45
46 static __dead void usage(void);
47
48 void
newsyntax(int argc,char *** argvp)49 newsyntax(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
126 static __dead void
usage(void)127 usage(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