xref: /freebsd/usr.bin/hexdump/hexdump.c (revision b3608ae18f1e5598bed81d0a10dd585a5080c40d)
19b50d902SRodney W. Grimes /*
29b50d902SRodney W. Grimes  * Copyright (c) 1989, 1993
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
69b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
79b50d902SRodney W. Grimes  * are met:
89b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
99b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
109b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
119b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
129b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
139b50d902SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
149b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
159b50d902SRodney W. Grimes  *    without specific prior written permission.
169b50d902SRodney W. Grimes  *
179b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
189b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
209b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
219b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
229b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
239b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
249b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
259b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
269b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
279b50d902SRodney W. Grimes  * SUCH DAMAGE.
289b50d902SRodney W. Grimes  */
299b50d902SRodney W. Grimes 
309b50d902SRodney W. Grimes #ifndef lint
3110731702SPhilippe Charnier static const char copyright[] =
329b50d902SRodney W. Grimes "@(#) Copyright (c) 1989, 1993\n\
339b50d902SRodney W. Grimes 	The Regents of the University of California.  All rights reserved.\n";
349b50d902SRodney W. Grimes #endif /* not lint */
359b50d902SRodney W. Grimes 
369b50d902SRodney W. Grimes #ifndef lint
3710731702SPhilippe Charnier #if 0
389b50d902SRodney W. Grimes static char sccsid[] = "@(#)hexdump.c	8.1 (Berkeley) 6/6/93";
3910731702SPhilippe Charnier #endif
409b50d902SRodney W. Grimes #endif /* not lint */
41e026a48cSDavid E. O'Brien #include <sys/cdefs.h>
42e026a48cSDavid E. O'Brien __FBSDID("$FreeBSD$");
439b50d902SRodney W. Grimes 
449b50d902SRodney W. Grimes #include <sys/types.h>
45de34792fSAndrey A. Chernov #include <locale.h>
469b50d902SRodney W. Grimes #include <stdlib.h>
47821df508SXin LI #include <stdio.h>
489b50d902SRodney W. Grimes #include <string.h>
499b50d902SRodney W. Grimes #include "hexdump.h"
509b50d902SRodney W. Grimes 
519b50d902SRodney W. Grimes FS *fshead;				/* head of format strings */
529b50d902SRodney W. Grimes int blocksize;				/* data block size */
539b50d902SRodney W. Grimes int exitval;				/* final exit value */
549b50d902SRodney W. Grimes int length = -1;			/* max bytes to read */
559b50d902SRodney W. Grimes 
569b50d902SRodney W. Grimes int
57f4ac32deSDavid Malone main(int argc, char *argv[])
589b50d902SRodney W. Grimes {
59f4ac32deSDavid Malone 	FS *tfs;
609b50d902SRodney W. Grimes 	char *p;
619b50d902SRodney W. Grimes 
62124d32d6SAndrey A. Chernov 	(void)setlocale(LC_ALL, "");
63de34792fSAndrey A. Chernov 
64*b3608ae1SEd Schouten 	if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
659b50d902SRodney W. Grimes 		newsyntax(argc, &argv);
669b50d902SRodney W. Grimes 	else
679b50d902SRodney W. Grimes 		oldsyntax(argc, &argv);
689b50d902SRodney W. Grimes 
699b50d902SRodney W. Grimes 	/* figure out the data block size */
709b50d902SRodney W. Grimes 	for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
719b50d902SRodney W. Grimes 		tfs->bcnt = size(tfs);
729b50d902SRodney W. Grimes 		if (blocksize < tfs->bcnt)
739b50d902SRodney W. Grimes 			blocksize = tfs->bcnt;
749b50d902SRodney W. Grimes 	}
759b50d902SRodney W. Grimes 	/* rewrite the rules, do syntax checking */
769b50d902SRodney W. Grimes 	for (tfs = fshead; tfs; tfs = tfs->nextfs)
779b50d902SRodney W. Grimes 		rewrite(tfs);
789b50d902SRodney W. Grimes 
799b50d902SRodney W. Grimes 	(void)next(argv);
809b50d902SRodney W. Grimes 	display();
819b50d902SRodney W. Grimes 	exit(exitval);
829b50d902SRodney W. Grimes }
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