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hexsyntax.c revision 1.1 
      1 /*-
      2  * Copyright (c) 1990 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)hexsyntax.c	5.2 (Berkeley) 5/8/90";
     36 #endif /* not lint */
     37 
     38 #include <sys/types.h>
     39 #include <stdio.h>
     40 #include "hexdump.h"
     41 
     42 off_t skip;				/* bytes to skip */
     43 
     44 newsyntax(argc, argvp)
     45 	int argc;
     46 	char ***argvp;
     47 {
     48 	extern enum _vflag vflag;
     49 	extern FS *fshead;
     50 	extern char *optarg;
     51 	extern int length, optind;
     52 	int ch;
     53 	char *p, **argv;
     54 
     55 	argv = *argvp;
     56 	while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != EOF)
     57 		switch (ch) {
     58 		case 'b':
     59 			add("\"%07.7_Ax\n\"");
     60 			add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
     61 			break;
     62 		case 'c':
     63 			add("\"%07.7_Ax\n\"");
     64 			add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
     65 			break;
     66 		case 'd':
     67 			add("\"%07.7_Ax\n\"");
     68 			add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
     69 			break;
     70 		case 'e':
     71 			add(optarg);
     72 			break;
     73 		case 'f':
     74 			addfile(optarg);
     75 			break;
     76 		case 'n':
     77 			if ((length = atoi(optarg)) < 0) {
     78 				(void)fprintf(stderr,
     79 				    "hexdump: bad length value.\n");
     80 				exit(1);
     81 			}
     82 			break;
     83 		case 'o':
     84 			add("\"%07.7_Ax\n\"");
     85 			add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
     86 			break;
     87 		case 's':
     88 			if ((skip = strtol(optarg, &p, 0)) < 0) {
     89 				(void)fprintf(stderr,
     90 				    "hexdump: bad skip value.\n");
     91 				exit(1);
     92 			}
     93 			switch(*p) {
     94 			case 'b':
     95 				skip *= 512;
     96 				break;
     97 			case 'k':
     98 				skip *= 1024;
     99 				break;
    100 			case 'm':
    101 				skip *= 1048576;
    102 				break;
    103 			}
    104 			break;
    105 		case 'v':
    106 			vflag = ALL;
    107 			break;
    108 		case 'x':
    109 			add("\"%07.7_Ax\n\"");
    110 			add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
    111 			break;
    112 		case '?':
    113 			usage();
    114 			exit(1);
    115 		}
    116 
    117 	if (!fshead) {
    118 		add("\"%07.7_Ax\n\"");
    119 		add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
    120 	}
    121 
    122 	*argvp += optind;
    123 }
    124 
    125 usage()
    126 {
    127 	(void)fprintf(stderr,
    128 "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
    129 	exit(1);
    130 }
    131