1/* $NetBSD: hexdump.c,v 1.16 2010/11/27 20:46:38 christos Exp $ */ 2 3/* 4 * Copyright (c) 1989, 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#if HAVE_NBTOOL_CONFIG_H 33#include "nbtool_config.h" 34#endif 35 36#include <sys/cdefs.h> 37#if !defined(lint) 38__COPYRIGHT("@(#) Copyright (c) 1989, 1993\ 39 The Regents of the University of California. All rights reserved."); 40#if 0 41static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93"; 42#else 43__RCSID("$NetBSD: hexdump.c,v 1.16 2010/11/27 20:46:38 christos Exp $"); 44#endif 45#endif /* not lint */ 46 47#include <sys/types.h> 48 49#include <errno.h> 50#include <locale.h> 51#include <stdlib.h> 52#include <stdio.h> 53#include <string.h> 54 55#include "hexdump.h" 56 57FS *fshead; /* head of format strings */ 58int blocksize; /* data block size */ 59int exitval; /* final exit value */ 60int length = -1; /* max bytes to read */ 61static int isod = 0; 62 63int 64main(int argc, char *argv[]) 65{ 66 FS *tfs; 67 char *p; 68 69 setlocale(LC_ALL, ""); 70 71 isod = 0; 72 p = strrchr(argv[0], 'o'); 73 if (p != NULL && strcmp(p, "od") == 0) 74 isod = 1; 75 76 if (isod) 77 odsyntax(argc, &argv); 78 else 79 hexsyntax(argc, &argv); 80 81 /* figure out the data block size */ 82 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { 83 tfs->bcnt = size(tfs); 84 if (blocksize < tfs->bcnt) 85 blocksize = tfs->bcnt; 86 } 87 /* rewrite the rules, do syntax checking */ 88 for (tfs = fshead; tfs; tfs = tfs->nextfs) 89 rewrite(tfs); 90 91 (void)next(argv); 92 display(); 93 exit(exitval); 94} 95 96void 97usage(void) 98{ 99 const char *pname = getprogname(); 100 101 (void)fprintf(stderr, "Usage: %s ", pname); 102 if (isod) 103 (void)fprintf(stderr, "[-aBbcDdeFfHhIiLlOovXx] [-A base] " 104 "[-j skip] [-N length] [-t type_string] [[+]offset[.][Bb]] " 105 "[file ...]\n"); 106 else 107 (void)fprintf(stderr, "[-bcCdovx] [-e fmt] [-f fmt_file] " 108 "[-n length] [-s skip] [file ...]\n"); 109 exit(1); 110} 111