/*      $NetBSD: hexsyntax.c,v 1.14 2010/11/27 20:46:38 christos Exp $  */

/*-
* 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. 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.
*/

#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

#include <sys/cdefs.h>
#if !defined(lint)
#if 0
static char sccsid[] = "@(#)hexsyntax.c 8.2 (Berkeley) 5/4/95";
#else
__RCSID("$NetBSD: hexsyntax.c,v 1.14 2010/11/27 20:46:38 christos Exp $");
#endif
#endif /* not lint */

#include <sys/types.h>

#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "hexdump.h"

off_t skip;                             /* bytes to skip */

void
hexsyntax(int argc, char ***argvp)
{
       int ch;
       char *p, **argv;

       argv = *argvp;
       while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
               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;
               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);
                       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)
                               errx(1, "%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;
}