1 /* $OpenBSD: hexsyntax.c,v 1.4 2001/07/12 05:17:10 deraadt Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 /*static char sccsid[] = "from: @(#)hexsyntax.c 5.2 (Berkeley) 5/8/90";*/ 38 static char rcsid[] = "$OpenBSD: hexsyntax.c,v 1.4 2001/07/12 05:17:10 deraadt Exp $"; 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <limits.h> 45 #include <unistd.h> 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 extern enum _vflag vflag; 56 extern FS *fshead; 57 extern char *optarg; 58 extern int length, optind; 59 int ch; 60 char *p, **argv; 61 62 argv = *argvp; 63 while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != -1) 64 switch (ch) { 65 case 'b': 66 add("\"%07.7_Ax\n\""); 67 add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); 68 break; 69 case 'c': 70 add("\"%07.7_Ax\n\""); 71 add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\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 (void)fprintf(stderr, 86 "hexdump: bad length value.\n"); 87 exit(1); 88 } 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 = strtol(optarg, &p, 0)) < 0) { 96 (void)fprintf(stderr, 97 "hexdump: bad skip value.\n"); 98 exit(1); 99 } 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 exit(1); 122 } 123 124 if (!fshead) { 125 add("\"%07.7_Ax\n\""); 126 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\""); 127 } 128 129 *argvp += optind; 130 } 131 132 void 133 usage() 134 { 135 (void)fprintf(stderr, 136 "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n"); 137 exit(1); 138 } 139