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hexsyntax.c revision 1.5 
      1 /*	$NetBSD: hexsyntax.c,v 1.5 1997/10/18 13:54:27 mrg 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
     39 #else
     40 static char rcsid[] = "$NetBSD: hexsyntax.c,v 1.5 1997/10/18 13:54:27 mrg Exp $";
     41 #endif
     42 #endif /* not lint */
     43 
     44 #include <sys/types.h>
     45 
     46 #include <stdio.h>
     47 #include <stdlib.h>
     48 #include <string.h>
     49 #include <unistd.h>
     50 
     51 #include "hexdump.h"
     52 
     53 off_t skip;				/* bytes to skip */
     54 
     55 void
     56 newsyntax(argc, argvp)
     57 	int argc;
     58 	char ***argvp;
     59 {
     60 	int ch;
     61 	char *p, **argv;
     62 
     63 	argv = *argvp;
     64 	while ((ch = getopt(argc, argv, "bcde: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 'd':
     75 			add("\"%07.7_Ax\n\"");
     76 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
     77 			break;
     78 		case 'e':
     79 			add(optarg);
     80 			break;
     81 		case 'f':
     82 			addfile(optarg);
     83 			break;
     84 		case 'n':
     85 			if ((length = atoi(optarg)) < 0)
     86 				err("%s: bad length value", optarg);
     87 			break;
     88 		case 'o':
     89 			add("\"%07.7_Ax\n\"");
     90 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
     91 			break;
     92 		case 's':
     93 			if ((skip = strtol(optarg, &p, 0)) < 0)
     94 				err("%s: bad skip value", optarg);
     95 			switch(*p) {
     96 			case 'b':
     97 				skip *= 512;
     98 				break;
     99 			case 'k':
    100 				skip *= 1024;
    101 				break;
    102 			case 'm':
    103 				skip *= 1048576;
    104 				break;
    105 			}
    106 			break;
    107 		case 'v':
    108 			vflag = ALL;
    109 			break;
    110 		case 'x':
    111 			add("\"%07.7_Ax\n\"");
    112 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
    113 			break;
    114 		case '?':
    115 			usage();
    116 		}
    117 
    118 	if (!fshead) {
    119 		add("\"%07.7_Ax\n\"");
    120 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
    121 	}
    122 
    123 	*argvp += optind;
    124 }
    125 
    126 void
    127 usage()
    128 {
    129 	(void)fprintf(stderr,
    130 "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
    131 	exit(1);
    132 }
    133