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 #ifndef lint 33 #endif /* not lint */ 34 #include <sys/cdefs.h> 35 #include <sys/types.h> 36 37 #include <err.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <unistd.h> 42 43 #include "hexdump.h" 44 45 off_t skip; /* bytes to skip */ 46 47 void 48 newsyntax(int argc, char ***argvp) 49 { 50 int ch; 51 char *p, **argv; 52 53 argv = *argvp; 54 if ((p = strrchr(argv[0], 'h')) != NULL && 55 strcmp(p, "hd") == 0) { 56 /* "Canonical" format, implies -C. */ 57 add("\"%08.8_Ax\n\""); 58 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 59 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 60 } 61 while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1) 62 switch (ch) { 63 case 'b': 64 add("\"%07.7_Ax\n\""); 65 add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); 66 break; 67 case 'c': 68 add("\"%07.7_Ax\n\""); 69 add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\""); 70 break; 71 case 'C': 72 add("\"%08.8_Ax\n\""); 73 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 74 add("\" |\" 16/1 \"%_p\" \"|\\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 = strtoll(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(void) 130 { 131 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 132 "usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]", 133 " [-s skip] [file ...]", 134 " hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]", 135 " [-s skip] [file ...]"); 136 exit(1); 137 } 138