1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)hexsyntax.c 8.2 (Berkeley) 5/4/95 34 * $FreeBSD: src/usr.bin/hexdump/hexsyntax.c,v 1.8.2.1 2002/07/23 14:27:06 tjr Exp $ 35 * $DragonFly: src/usr.bin/hexdump/hexsyntax.c,v 1.4 2004/08/30 18:06:49 eirikn Exp $ 36 */ 37 38 #include <sys/types.h> 39 40 #include <err.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #include "hexdump.h" 47 48 off_t skip; /* bytes to skip */ 49 50 void 51 newsyntax(int argc, char ***argvp) 52 { 53 int ch; 54 char *p, **argv; 55 56 argv = *argvp; 57 if ((p = strrchr(argv[0], 'h')) != NULL && 58 strcmp(p, "hd") == 0) { 59 /* "Canonical" format, implies -C. */ 60 add("\"%08.8_Ax\n\""); 61 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 62 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 63 } 64 while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1) 65 switch (ch) { 66 case 'b': 67 add("\"%07.7_Ax\n\""); 68 add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); 69 break; 70 case 'c': 71 add("\"%07.7_Ax\n\""); 72 add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\""); 73 break; 74 case 'C': 75 add("\"%08.8_Ax\n\""); 76 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 77 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 78 break; 79 case 'd': 80 add("\"%07.7_Ax\n\""); 81 add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\""); 82 break; 83 case 'e': 84 add(optarg); 85 break; 86 case 'f': 87 addfile(optarg); 88 break; 89 case 'n': 90 if ((length = atoi(optarg)) < 0) 91 errx(1, "%s: bad length value", optarg); 92 break; 93 case 'o': 94 add("\"%07.7_Ax\n\""); 95 add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\""); 96 break; 97 case 's': 98 if ((skip = strtoll(optarg, &p, 0)) < 0) 99 errx(1, "%s: bad skip value", optarg); 100 switch(*p) { 101 case 'b': 102 skip *= 512; 103 break; 104 case 'k': 105 skip *= 1024; 106 break; 107 case 'm': 108 skip *= 1048576; 109 break; 110 } 111 break; 112 case 'v': 113 vflag = ALL; 114 break; 115 case 'x': 116 add("\"%07.7_Ax\n\""); 117 add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\""); 118 break; 119 case '?': 120 usage(); 121 } 122 123 if (!fshead) { 124 add("\"%07.7_Ax\n\""); 125 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\""); 126 } 127 128 *argvp += optind; 129 } 130 131 void 132 usage(void) 133 { 134 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 135 "usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]", 136 " [-s skip] [file ...]", 137 " hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]", 138 " [-s skip] [file ...]"); 139 exit(1); 140 } 141