commands/hexdump/hexsyntax.c

   1 /*      $NetBSD: hexsyntax.c,v 1.13 2006/01/04 01:30:21 perry 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 0
  38 #if !defined(lint)
  39 #if 0
  40 static char sccsid[] = "@(#)hexsyntax.c 8.2 (Berkeley) 5/4/95";
  41 #else
  42 __RCSID("$NetBSD: hexsyntax.c,v 1.13 2006/01/04 01:30:21 perry Exp $");
  43 #endif
  44 #endif /* not lint */
  45 #endif
  46
  47 #include <sys/types.h>
  48
  49 #include <err.h>
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53 #include <unistd.h>
  54
  55 #include "hexdump.h"
  56
  57 off_t skip;                             /* bytes to skip */
  58
  59 void
  60 newsyntax(int argc, char ***argvp)
  61 {
  62         int ch;
  63         char *p, **argv;
  64
  65         argv = *argvp;
  66         while ((ch = getopt(argc, argv, "bcCde: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 'C':
  77                         add("\"%08.8_Ax\n\"");
  78                         add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
  79                         add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
  80                         break;
  81                 case 'd':
  82                         add("\"%07.7_Ax\n\"");
  83                         add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
  84                         break;
  85                 case 'e':
  86                         add(optarg);
  87                         break;
  88                 case 'f':
  89                         addfile(optarg);
  90                         break;
  91                 case 'n':
  92                         if ((length = atoi(optarg)) < 0)
  93                                 errx(1, "%s: bad length value", optarg);
  94                         break;
  95                 case 'o':
  96                         add("\"%07.7_Ax\n\"");
  97                         add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
  98                         break;
  99                 case 's':
 100                         if ((skip = strtol(optarg, &p, 0)) < 0)
 101                                 errx(1, "%s: bad skip value", optarg);
 102                         switch(*p) {
 103                         case 'b':
 104                                 skip *= 512;
 105                                 break;
 106                         case 'k':
 107                                 skip *= 1024;
 108                                 break;
 109                         case 'm':
 110                                 skip *= 1048576;
 111                                 break;
 112                         }
 113                         break;
 114                 case 'v':
 115                         vflag = ALL;
 116                         break;
 117                 case 'x':
 118                         add("\"%07.7_Ax\n\"");
 119                         add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
 120                         break;
 121                 case '?':
 122                         usage();
 123                 }
 124
 125         if (!fshead) {
 126                 add("\"%07.7_Ax\n\"");
 127                 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
 128         }
 129
 130         *argvp += optind;
 131 }
 132
 133 void
 134 usage(void)
 135 {
 136         (void)fprintf(stderr,
 137 "hexdump: [-bcCdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n"
 138         );
 139         exit(1);
 140 }