1 /* $OpenBSD: hexdump.c,v 1.12 2007/01/28 16:37:09 miod Exp $ */ 2 /* $NetBSD: hexdump.c,v 1.7 1997/10/19 02:34:06 lukem Exp $ */ 3 4 /* 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 char copyright[] = 35 "@(#) Copyright (c) 1989 The Regents of the University of California.\n\ 36 All rights reserved.\n"; 37 #endif /* not lint */ 38 39 #ifndef lint 40 /*static char sccsid[] = "from: @(#)hexdump.c 5.5 (Berkeley) 6/1/90";*/ 41 static char rcsid[] = "$OpenBSD: hexdump.c,v 1.12 2007/01/28 16:37:09 miod Exp $"; 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include "hexdump.h" 49 50 FS *fshead; /* head of format strings */ 51 int blocksize; /* data block size */ 52 int exitval; /* final exit value */ 53 long length = -1; /* max bytes to read */ 54 55 int main(int, char **); 56 57 int 58 main(int argc, char *argv[]) 59 { 60 FS *tfs; 61 char *p; 62 63 if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od")) 64 newsyntax(argc, &argv); 65 else 66 oldsyntax(argc, &argv); 67 68 /* figure out the data block size */ 69 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { 70 tfs->bcnt = size(tfs); 71 if (blocksize < tfs->bcnt) 72 blocksize = tfs->bcnt; 73 } 74 /* rewrite the rules, do syntax checking */ 75 for (tfs = fshead; tfs; tfs = tfs->nextfs) 76 rewrite(tfs); 77 78 (void)next(argv); 79 display(); 80 exit(exitval); 81 } 82