Home | History | Annotate | Line # | Download | only in hexdump
hexdump.c revision 1.10 
      1 /*	$NetBSD: hexdump.c,v 1.10 2003/08/07 11:14:03 agc 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 #include <sys/cdefs.h>
     33 #if defined(__COPYRIGHT) && !defined(lint)
     34 __COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
     35 	The Regents of the University of California.  All rights reserved.\n");
     36 #endif /* not lint */
     37 
     38 #if defined(__RCSID) && !defined(lint)
     39 #if 0
     40 static char sccsid[] = "@(#)hexdump.c	8.1 (Berkeley) 6/6/93";
     41 #else
     42 __RCSID("$NetBSD: hexdump.c,v 1.10 2003/08/07 11:14:03 agc Exp $");
     43 #endif
     44 #endif /* not lint */
     45 
     46 #include <sys/types.h>
     47 
     48 #include <errno.h>
     49 #include <locale.h>
     50 #include <stdlib.h>
     51 #include <stdio.h>
     52 #include <string.h>
     53 
     54 #include "hexdump.h"
     55 
     56 FS *fshead;				/* head of format strings */
     57 int blocksize;				/* data block size */
     58 int exitval;				/* final exit value */
     59 int length = -1;			/* max bytes to read */
     60 
     61 int	main __P((int, char **));
     62 
     63 int
     64 main(argc, argv)
     65 	int argc;
     66 	char *argv[];
     67 {
     68 	FS *tfs;
     69 	char *p;
     70 
     71 	setlocale(LC_ALL, "");
     72 
     73 	if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
     74 		newsyntax(argc, &argv);
     75 	else
     76 		oldsyntax(argc, &argv);
     77 
     78 	/* figure out the data block size */
     79 	for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
     80 		tfs->bcnt = size(tfs);
     81 		if (blocksize < tfs->bcnt)
     82 			blocksize = tfs->bcnt;
     83 	}
     84 	/* rewrite the rules, do syntax checking */
     85 	for (tfs = fshead; tfs; tfs = tfs->nextfs)
     86 		rewrite(tfs);
     87 
     88 	(void)next(argv);
     89 	display();
     90 	exit(exitval);
     91 }
     92