GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/hexdump/hexdump.c Lines: 10 18 55.6 %
Date: 2017-11-13 Branches: 9 16 56.3 %

Line Branch Exec Source
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/*	$OpenBSD: hexdump.c,v 1.20 2016/02/08 21:05:51 mmcc Exp $	*/
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/*	$NetBSD: hexdump.c,v 1.7 1997/10/19 02:34:06 lukem Exp $	*/
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/*
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 * Copyright (c) 1989, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "hexdump.h"
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#define MINIMUM(a, b)	(((a) < (b)) ? (a) : (b))
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FS *fshead;				/* head of format strings */
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int blocksize;				/* data block size */
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int exitval;				/* final exit value */
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long length = -1;			/* max bytes to read */
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char *iobuf;				/* stdio I/O buffer */
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size_t iobufsiz;			/* size of stdio I/O buffer */
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int
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main(int argc, char *argv[])
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{
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	FS *tfs;
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	char *p;
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	if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
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		err(1, "pledge");
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	if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
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		newsyntax(argc, &argv);
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	else
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		oldsyntax(argc, &argv);
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	/* figure out the data block size */
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	for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
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		tfs->bcnt = size(tfs);
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		if (blocksize < tfs->bcnt)
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			blocksize = tfs->bcnt;
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	}
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	if (length != -1) {
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		iobufsiz = MINIMUM(length, blocksize);
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		if ((iobuf = malloc(iobufsiz)) == NULL)
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			err(1, NULL);
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	}
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	/* rewrite the rules, do syntax checking */
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	for (tfs = fshead; tfs; tfs = tfs->nextfs)
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		rewrite(tfs);
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	(void)next(argv);
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	display();
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	exit(exitval);
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}