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hexdump.c revision 1.4 
      1 /*	$NetBSD: hexdump.c,v 1.4 1997/01/09 20:19:54 tls Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989 The Regents of the University of California.
      5  * 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifndef lint
     37 char copyright[] =
     38 "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
     39  All rights reserved.\n";
     40 #endif /* not lint */
     41 
     42 #ifndef lint
     43 /*static char sccsid[] = "from: @(#)hexdump.c	5.5 (Berkeley) 6/1/90";*/
     44 static char rcsid[] = "$NetBSD: hexdump.c,v 1.4 1997/01/09 20:19:54 tls Exp $";
     45 #endif /* not lint */
     46 
     47 #include <sys/types.h>
     48 #include <stdio.h>
     49 #include <string.h>
     50 #include "hexdump.h"
     51 
     52 FS *fshead;				/* head of format strings */
     53 int blocksize;				/* data block size */
     54 int exitval;				/* final exit value */
     55 int length = -1;			/* max bytes to read */
     56 
     57 main(argc, argv)
     58 	int argc;
     59 	char **argv;
     60 {
     61 	register FS *tfs;
     62 	char *p;
     63 
     64 	if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
     65 		newsyntax(argc, &argv);
     66 	else
     67 		oldsyntax(argc, &argv);
     68 
     69 	/* figure out the data block size */
     70 	for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
     71 		tfs->bcnt = size(tfs);
     72 		if (blocksize < tfs->bcnt)
     73 			blocksize = tfs->bcnt;
     74 	}
     75 	/* rewrite the rules, do syntax checking */
     76 	for (tfs = fshead; tfs; tfs = tfs->nextfs)
     77 		rewrite(tfs);
     78 
     79 	(void)next(argv);
     80 	display();
     81 	exit(exitval);
     82 }
     83