freebsd-src/usr.bin/hexdump/hexsyntax.c
1994-05-27 12:33:43 +00:00

128 lines
3.5 KiB
C

/*-
* 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
static char sccsid[] = "@(#)hexsyntax.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#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;
while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != EOF)
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 '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)
err("%s: bad length value", optarg);
break;
case 'o':
add("\"%07.7_Ax\n\"");
add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
break;
case 's':
if ((skip = strtol(optarg, &p, 0)) < 0)
err("%s: bad skip value", optarg);
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,
"hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
exit(1);
}