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