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 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 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