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hexsyntax.c revision 1.10 
      1 /*	$NetBSD: hexsyntax.c,v 1.10 2003/08/07 11:14:05 agc 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 #include <sys/cdefs.h>
     33 #if defined(__RCSID) && !defined(lint)
     34 #if 0
     35 static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
     36 #else
     37 __RCSID("$NetBSD: hexsyntax.c,v 1.10 2003/08/07 11:14:05 agc Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <sys/types.h>
     42 
     43 #include <err.h>
     44 #include <stdio.h>
     45 #include <stdlib.h>
     46 #include <string.h>
     47 #include <unistd.h>
     48 
     49 #include "hexdump.h"
     50 
     51 off_t skip;				/* bytes to skip */
     52 
     53 void
     54 newsyntax(argc, argvp)
     55 	int argc;
     56 	char ***argvp;
     57 {
     58 	int ch;
     59 	char *p, **argv;
     60 
     61 	argv = *argvp;
     62 	while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1)
     63 		switch (ch) {
     64 		case 'b':
     65 			add("\"%07.7_Ax\n\"");
     66 			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
     67 			break;
     68 		case 'c':
     69 			add("\"%07.7_Ax\n\"");
     70 			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
     71 			break;
     72 		case 'C':
     73 			add("\"%08.8_Ax\n\"");
     74 			add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
     75 			add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
     76 			break;
     77 		case 'd':
     78 			add("\"%07.7_Ax\n\"");
     79 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
     80 			break;
     81 		case 'e':
     82 			add(optarg);
     83 			break;
     84 		case 'f':
     85 			addfile(optarg);
     86 			break;
     87 		case 'n':
     88 			if ((length = atoi(optarg)) < 0)
     89 				errx(1, "%s: bad length value", optarg);
     90 			break;
     91 		case 'o':
     92 			add("\"%07.7_Ax\n\"");
     93 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
     94 			break;
     95 		case 's':
     96 			if ((skip = strtol(optarg, &p, 0)) < 0)
     97 				errx(1, "%s: bad skip value", optarg);
     98 			switch(*p) {
     99 			case 'b':
    100 				skip *= 512;
    101 				break;
    102 			case 'k':
    103 				skip *= 1024;
    104 				break;
    105 			case 'm':
    106 				skip *= 1048576;
    107 				break;
    108 			}
    109 			break;
    110 		case 'v':
    111 			vflag = ALL;
    112 			break;
    113 		case 'x':
    114 			add("\"%07.7_Ax\n\"");
    115 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
    116 			break;
    117 		case '?':
    118 			usage();
    119 		}
    120 
    121 	if (!fshead) {
    122 		add("\"%07.7_Ax\n\"");
    123 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
    124 	}
    125 
    126 	*argvp += optind;
    127 }
    128 
    129 void
    130 usage()
    131 {
    132 	(void)fprintf(stderr,
    133 "hexdump: [-bcCdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n"
    134 	);
    135 	exit(1);
    136 }
    137