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      1 /*	$NetBSD: hexsyntax.c,v 1.14 2010/11/27 20:46:38 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #if HAVE_NBTOOL_CONFIG_H
     33 #include "nbtool_config.h"
     34 #endif
     35 
     36 #include <sys/cdefs.h>
     37 #if !defined(lint)
     38 #if 0
     39 static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
     40 #else
     41 __RCSID("$NetBSD: hexsyntax.c,v 1.14 2010/11/27 20:46:38 christos Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/types.h>
     46 
     47 #include <err.h>
     48 #include <stdio.h>
     49 #include <stdlib.h>
     50 #include <string.h>
     51 #include <unistd.h>
     52 
     53 #include "hexdump.h"
     54 
     55 off_t skip;				/* bytes to skip */
     56 
     57 void
     58 hexsyntax(int argc, char ***argvp)
     59 {
     60 	int ch;
     61 	char *p, **argv;
     62 
     63 	argv = *argvp;
     64 	while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
     65 		switch (ch) {
     66 		case 'b':
     67 			add("\"%07.7_Ax\n\"");
     68 			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
     69 			break;
     70 		case 'c':
     71 			add("\"%07.7_Ax\n\"");
     72 			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
     73 			break;
     74 		case 'C':
     75 			add("\"%08.8_Ax\n\"");
     76 			add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
     77 			add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
     78 			break;
     79 		case 'd':
     80 			add("\"%07.7_Ax\n\"");
     81 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
     82 			break;
     83 		case 'e':
     84 			add(optarg);
     85 			break;
     86 		case 'f':
     87 			addfile(optarg);
     88 			break;
     89 		case 'n':
     90 			if ((length = atoi(optarg)) < 0)
     91 				errx(1, "%s: bad length value", optarg);
     92 			break;
     93 		case 'o':
     94 			add("\"%07.7_Ax\n\"");
     95 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
     96 			break;
     97 		case 's':
     98 			if ((skip = strtol(optarg, &p, 0)) < 0)
     99 				errx(1, "%s: bad skip value", optarg);
    100 			switch(*p) {
    101 			case 'b':
    102 				skip *= 512;
    103 				break;
    104 			case 'k':
    105 				skip *= 1024;
    106 				break;
    107 			case 'm':
    108 				skip *= 1048576;
    109 				break;
    110 			}
    111 			break;
    112 		case 'v':
    113 			vflag = ALL;
    114 			break;
    115 		case 'x':
    116 			add("\"%07.7_Ax\n\"");
    117 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
    118 			break;
    119 		case '?':
    120 			usage();
    121 		}
    122 
    123 	if (!fshead) {
    124 		add("\"%07.7_Ax\n\"");
    125 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
    126 	}
    127 
    128 	*argvp += optind;
    129 }
    130