text-utils/hexsyntax.c

   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  /* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
  35   * - added Native Language Support
  36   */
  37
  38 #include <sys/types.h>
  39 #include <unistd.h>
  40 #include <stdlib.h>
  41 #include <stdio.h>
  42 #include <errno.h>
  43 #include <err.h>
  44 #include <limits.h>
  45 #include "hexdump.h"
  46 #include "nls.h"
  47 #include "strutils.h"
  48 #include "c.h"
  49
  50 off_t skip;                             /* bytes to skip */
  51
  52
  53 void
  54 newsyntax(int argc, char ***argvp)
  55 {
  56         int ch;
  57         char **argv;
  58
  59         argv = *argvp;
  60         while ((ch = getopt(argc, argv, "bcCde:f:n:os:vxV")) != -1) {
  61                 switch (ch) {
  62                 case 'b':
  63                         add("\"%07.7_Ax\n\"");
  64                         add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
  65                         break;
  66                 case 'c':
  67                         add("\"%07.7_Ax\n\"");
  68                         add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
  69                         break;
  70                 case 'C':
  71                         add("\"%08.8_Ax\n\"");
  72                         add("\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
  73                         add("\"  |\" 16/1 \"%_p\" \"|\\n\"");
  74                         break;
  75                 case 'd':
  76                         add("\"%07.7_Ax\n\"");
  77                         add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
  78                         break;
  79                 case 'e':
  80                         add(optarg);
  81                         break;
  82                 case 'f':
  83                         addfile(optarg);
  84                         break;
  85                 case 'n':
  86                         length = strtosize_or_err(optarg, _("failed to parse length"));
  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                         skip = strtosize_or_err(optarg, _("failed to parse offset"));
  94                         break;
  95                 case 'v':
  96                         vflag = ALL;
  97                         break;
  98                 case 'x':
  99                         add("\"%07.7_Ax\n\"");
 100                         add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
 101                         break;
 102                 case 'V':
 103                         printf(_("%s from %s\n"),
 104                                         program_invocation_short_name,
 105                                         PACKAGE_STRING);
 106                         exit(EXIT_SUCCESS);
 107                         break;
 108                 default:
 109                         usage(stderr);
 110                 }
 111         }
 112
 113         if (!fshead) {
 114                 add("\"%07.7_Ax\n\"");
 115                 add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
 116         }
 117
 118         *argvp += optind;
 119 }
 120
 121 void __attribute__((__noreturn__)) usage(FILE *out)
 122 {
 123         fprintf(out, _("\nUsage:\n"
 124                        " %s [options] file...\n"),
 125                        program_invocation_short_name);
 126         fprintf(out, _(
 127                        "\nOptions:\n"
 128                        " -b              one-byte octal display\n"
 129                        " -c              one-byte character display\n"
 130                        " -C              canonical hex+ASCII display\n"
 131                        " -d              two-byte decimal display\n"
 132                        " -o              two-byte octal display\n"
 133                        " -x              two-byte hexadecimal display\n"
 134                        " -e format       format string to be used for displaying data\n"
 135                        " -f format_file  file that contains format strings\n"
 136                        " -n length       interpret only length bytes of input\n"
 137                        " -s offset       skip offset bytes from the beginning\n"
 138                        " -v              display without squeezing similar lines\n"
 139                        " -V              output version information and exit\n\n"));
 140
 141         exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
 142 }