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 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)hexsyntax.c 8.2 (Berkeley) 5/4/95"; 37 #endif 38 #endif /* not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/types.h> 43 44 #include <err.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 50 #include "hexdump.h" 51 52 off_t skip; /* bytes to skip */ 53 54 void 55 newsyntax(argc, argvp) 56 int argc; 57 char ***argvp; 58 { 59 int ch; 60 char *p, **argv; 61 62 argv = *argvp; 63 if ((p = rindex(argv[0], 'h')) != NULL && 64 strcmp(p, "hd") == 0) { 65 /* "Canonical" format, implies -C. */ 66 add("\"%08.8_Ax\n\""); 67 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 68 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 69 } 70 while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1) 71 switch (ch) { 72 case 'b': 73 add("\"%07.7_Ax\n\""); 74 add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); 75 break; 76 case 'c': 77 add("\"%07.7_Ax\n\""); 78 add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\""); 79 break; 80 case 'C': 81 add("\"%08.8_Ax\n\""); 82 add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); 83 add("\" |\" 16/1 \"%_p\" \"|\\n\""); 84 break; 85 case 'd': 86 add("\"%07.7_Ax\n\""); 87 add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\""); 88 break; 89 case 'e': 90 add(optarg); 91 break; 92 case 'f': 93 addfile(optarg); 94 break; 95 case 'n': 96 if ((length = atoi(optarg)) < 0) 97 errx(1, "%s: bad length value", optarg); 98 break; 99 case 'o': 100 add("\"%07.7_Ax\n\""); 101 add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\""); 102 break; 103 case 's': 104 if ((skip = strtoll(optarg, &p, 0)) < 0) 105 errx(1, "%s: bad skip value", optarg); 106 switch(*p) { 107 case 'b': 108 skip *= 512; 109 break; 110 case 'k': 111 skip *= 1024; 112 break; 113 case 'm': 114 skip *= 1048576; 115 break; 116 } 117 break; 118 case 'v': 119 vflag = ALL; 120 break; 121 case 'x': 122 add("\"%07.7_Ax\n\""); 123 add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\""); 124 break; 125 case '?': 126 usage(); 127 } 128 129 if (!fshead) { 130 add("\"%07.7_Ax\n\""); 131 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\""); 132 } 133 134 *argvp += optind; 135 } 136 137 void 138 usage() 139 { 140 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 141 "usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]", 142 " [-s skip] [file ...]", 143 " hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]", 144 " [-s skip] [file ...]"); 145 exit(1); 146 } 147