freebsd-dev/usr.bin/hexdump/hexsyntax.c

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/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
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static char sccsid[] = "@(#)hexsyntax.c 8.2 (Berkeley) 5/4/95";
#endif
static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
#include <sys/types.h>
#include <err.h>
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <unistd.h>
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#include "hexdump.h"
off_t skip; /* bytes to skip */
void
newsyntax(argc, argvp)
int argc;
char ***argvp;
{
extern enum _vflag vflag;
extern FS *fshead;
extern int length;
int ch;
char *p, **argv;
argv = *argvp;
if ((p = rindex(argv[0], 'h')) != NULL &&
strcmp(p, "hd") == 0) {
/* "Canonical" format, implies -C. */
add("\"%08.8_Ax\n\"");
add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ");
add("\" |\" 16/1 \"%_p\" \"|\\n\"");
}
while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
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switch (ch) {
case 'b':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
break;
case 'c':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
break;
case 'C':
add("\"%08.8_Ax\n\"");
add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ");
add("\" |\" 16/1 \"%_p\" \"|\\n\"");
break;
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case 'd':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"");
break;
case 'e':
add(optarg);
break;
case 'f':
addfile(optarg);
break;
case 'n':
if ((length = atoi(optarg)) < 0)
errx(1, "%s: bad length value", optarg);
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break;
case 'o':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
break;
case 's':
if ((skip = strtoll(optarg, &p, 0)) < 0)
errx(1, "%s: bad skip value", optarg);
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switch(*p) {
case 'b':
skip *= 512;
break;
case 'k':
skip *= 1024;
break;
case 'm':
skip *= 1048576;
break;
}
break;
case 'v':
vflag = ALL;
break;
case 'x':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"");
break;
case '?':
usage();
}
if (!fshead) {
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
}
*argvp += optind;
}
void
usage()
{
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
"usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]",
" [-s skip] [file ...]",
" hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]",
" [-s skip] [file ...]");
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exit(1);
}