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 1.2 2003/06/17 04:29:27 dillon 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(argc, argvp) 52 int argc; 53 char ***argvp; 54 { 55 int ch; 56 char *p, **argv; 57 58 argv = *argvp; 59 if ((p = rindex(argv[0], 'h')) != NULL && 60 strcmp(p, "hd") == 0) { 61 /* "Canonical" format, implies -C. */ 62 add("\"%08.8_Ax\n\""); 63 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 64 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 65 } 66 while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1) 67 switch (ch) { 68 case 'b': 69 add("\"%07.7_Ax\n\""); 70 add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); 71 break; 72 case 'c': 73 add("\"%07.7_Ax\n\""); 74 add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\""); 75 break; 76 case 'C': 77 add("\"%08.8_Ax\n\""); 78 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 79 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 80 break; 81 case 'd': 82 add("\"%07.7_Ax\n\""); 83 add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\""); 84 break; 85 case 'e': 86 add(optarg); 87 break; 88 case 'f': 89 addfile(optarg); 90 break; 91 case 'n': 92 if ((length = atoi(optarg)) < 0) 93 errx(1, "%s: bad length value", optarg); 94 break; 95 case 'o': 96 add("\"%07.7_Ax\n\""); 97 add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\""); 98 break; 99 case 's': 100 if ((skip = strtoll(optarg, &p, 0)) < 0) 101 errx(1, "%s: bad skip value", optarg); 102 switch(*p) { 103 case 'b': 104 skip *= 512; 105 break; 106 case 'k': 107 skip *= 1024; 108 break; 109 case 'm': 110 skip *= 1048576; 111 break; 112 } 113 break; 114 case 'v': 115 vflag = ALL; 116 break; 117 case 'x': 118 add("\"%07.7_Ax\n\""); 119 add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\""); 120 break; 121 case '?': 122 usage(); 123 } 124 125 if (!fshead) { 126 add("\"%07.7_Ax\n\""); 127 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\""); 128 } 129 130 *argvp += optind; 131 } 132 133 void 134 usage() 135 { 136 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 137 "usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]", 138 " [-s skip] [file ...]", 139 " hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]", 140 " [-s skip] [file ...]"); 141 exit(1); 142 } 143