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      1 /*	$NetBSD: hexdump.c,v 1.19 2016/03/04 02:54:38 dholland 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
     41 static char sccsid[] = "@(#)hexdump.c	8.1 (Berkeley) 6/6/93";
     42 #else
     43 __RCSID("$NetBSD: hexdump.c,v 1.19 2016/03/04 02:54:38 dholland 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 
     57 FS *fshead;				/* head of format strings */
     58 int blocksize;				/* data block size */
     59 int exitval;				/* final exit value */
     60 int length = -1;			/* max bytes to read */
     61 static int isod = 0;
     62 
     63 int
     64 main(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 	stashargv(argv);
     92 	display();
     93 	exit(exitval);
     94 }
     95 
     96 void
     97 usage(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 format_string] [-f format_file] "
    108 		    "[-n length] [-s skip] [file ...]\n");
    109 	exit(1);
    110 }
    111