Home | History | Annotate | Line # | Download | only in hexdump
hexsyntax.c revision 1.6 
      1 /*	$NetBSD: hexsyntax.c,v 1.6 1997/10/19 02:34:07 lukem 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 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)hexsyntax.c	8.2 (Berkeley) 5/4/95";
     40 #else
     41 __RCSID("$NetBSD: hexsyntax.c,v 1.6 1997/10/19 02:34:07 lukem 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 newsyntax(argc, argvp)
     59 	int argc;
     60 	char ***argvp;
     61 {
     62 	int ch;
     63 	char *p, **argv;
     64 
     65 	argv = *argvp;
     66 	while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != -1)
     67 		switch (ch) {
     68 		case 'b':
     69 			add("\"%07.7_Ax\n\"");
     70 			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
     71 			break;
     72 		case 'c':
     73 			add("\"%07.7_Ax\n\"");
     74 			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
     75 			break;
     76 		case 'd':
     77 			add("\"%07.7_Ax\n\"");
     78 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
     79 			break;
     80 		case 'e':
     81 			add(optarg);
     82 			break;
     83 		case 'f':
     84 			addfile(optarg);
     85 			break;
     86 		case 'n':
     87 			if ((length = atoi(optarg)) < 0)
     88 				errx(1, "%s: bad length value", optarg);
     89 			break;
     90 		case 'o':
     91 			add("\"%07.7_Ax\n\"");
     92 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
     93 			break;
     94 		case 's':
     95 			if ((skip = strtol(optarg, &p, 0)) < 0)
     96 				errx(1, "%s: bad skip value", optarg);
     97 			switch(*p) {
     98 			case 'b':
     99 				skip *= 512;
    100 				break;
    101 			case 'k':
    102 				skip *= 1024;
    103 				break;
    104 			case 'm':
    105 				skip *= 1048576;
    106 				break;
    107 			}
    108 			break;
    109 		case 'v':
    110 			vflag = ALL;
    111 			break;
    112 		case 'x':
    113 			add("\"%07.7_Ax\n\"");
    114 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
    115 			break;
    116 		case '?':
    117 			usage();
    118 		}
    119 
    120 	if (!fshead) {
    121 		add("\"%07.7_Ax\n\"");
    122 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
    123 	}
    124 
    125 	*argvp += optind;
    126 }
    127 
    128 void
    129 usage()
    130 {
    131 	(void)fprintf(stderr,
    132 "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
    133 	exit(1);
    134 }
    135