mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-04 08:47:11 +00:00
288 lines
5.3 KiB
C
288 lines
5.3 KiB
C
/* Convert files for Emacs Hexl mode.
|
|
Copyright (C) 1989, 2002, 2003, 2004, 2005,
|
|
2006 Free Software Foundation, Inc.
|
|
|
|
This file is not considered part of GNU Emacs.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
#ifdef DOS_NT
|
|
#include <fcntl.h>
|
|
#if __DJGPP__ >= 2
|
|
#include <io.h>
|
|
#endif
|
|
#endif
|
|
#ifdef WINDOWSNT
|
|
#include <io.h>
|
|
#endif
|
|
|
|
#define DEFAULT_GROUPING 0x01
|
|
#define DEFAULT_BASE 16
|
|
|
|
#undef TRUE
|
|
#undef FALSE
|
|
#define TRUE (1)
|
|
#define FALSE (0)
|
|
|
|
int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1;
|
|
int group_by = DEFAULT_GROUPING;
|
|
char *progname;
|
|
|
|
void usage();
|
|
|
|
int
|
|
main (argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
register long address;
|
|
char string[18];
|
|
FILE *fp;
|
|
|
|
progname = *argv++; --argc;
|
|
|
|
/*
|
|
** -hex hex dump
|
|
** -oct Octal dump
|
|
** -group-by-8-bits
|
|
** -group-by-16-bits
|
|
** -group-by-32-bits
|
|
** -group-by-64-bits
|
|
** -iso iso character set.
|
|
** -big-endian Big Endian
|
|
** -little-endian Little Endian
|
|
** -un || -de from hexl format to binary.
|
|
** -- End switch list.
|
|
** <filename> dump filename
|
|
** - (as filename == stdin)
|
|
*/
|
|
|
|
while (*argv && *argv[0] == '-' && (*argv)[1])
|
|
{
|
|
/* A switch! */
|
|
if (!strcmp (*argv, "--"))
|
|
{
|
|
--argc; argv++;
|
|
break;
|
|
}
|
|
else if (!strcmp (*argv, "-un") || !strcmp (*argv, "-de"))
|
|
{
|
|
un_flag = TRUE;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-hex"))
|
|
{
|
|
base = 16;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-iso"))
|
|
{
|
|
iso_flag = TRUE;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-oct"))
|
|
{
|
|
base = 8;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-big-endian"))
|
|
{
|
|
endian = 1;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-little-endian"))
|
|
{
|
|
endian = 0;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-group-by-8-bits"))
|
|
{
|
|
group_by = 0x00;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-group-by-16-bits"))
|
|
{
|
|
group_by = 0x01;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-group-by-32-bits"))
|
|
{
|
|
group_by = 0x03;
|
|
--argc; argv++;
|
|
}
|
|
else if (!strcmp (*argv, "-group-by-64-bits"))
|
|
{
|
|
group_by = 0x07;
|
|
endian = 0;
|
|
--argc; argv++;
|
|
}
|
|
else
|
|
{
|
|
fprintf (stderr, "%s: invalid switch: \"%s\".\n", progname,
|
|
*argv);
|
|
usage ();
|
|
}
|
|
}
|
|
|
|
do
|
|
{
|
|
if (*argv == NULL)
|
|
fp = stdin;
|
|
else
|
|
{
|
|
char *filename = *argv++;
|
|
|
|
if (!strcmp (filename, "-"))
|
|
fp = stdin;
|
|
else if ((fp = fopen (filename, "r")) == NULL)
|
|
{
|
|
perror (filename);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (un_flag)
|
|
{
|
|
char buf[18];
|
|
|
|
#ifdef DOS_NT
|
|
#if (__DJGPP__ >= 2) || (defined WINDOWSNT)
|
|
if (!isatty (fileno (stdout)))
|
|
setmode (fileno (stdout), O_BINARY);
|
|
#else
|
|
(stdout)->_flag &= ~_IOTEXT; /* print binary */
|
|
_setmode (fileno (stdout), O_BINARY);
|
|
#endif
|
|
#endif
|
|
for (;;)
|
|
{
|
|
register int i, c = 0, d;
|
|
|
|
#define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10)
|
|
|
|
fread (buf, 1, 10, fp); /* skip 10 bytes */
|
|
|
|
for (i=0; i < 16; ++i)
|
|
{
|
|
if ((c = getc (fp)) == ' ' || c == EOF)
|
|
break;
|
|
|
|
d = getc (fp);
|
|
c = hexchar (c) * 0x10 + hexchar (d);
|
|
putchar (c);
|
|
|
|
if ((i&group_by) == group_by)
|
|
getc (fp);
|
|
}
|
|
|
|
if (c == ' ')
|
|
{
|
|
while ((c = getc (fp)) != '\n' && c != EOF)
|
|
;
|
|
|
|
if (c == EOF)
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (i < 16)
|
|
break;
|
|
|
|
fread (buf, 1, 18, fp); /* skip 18 bytes */
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#ifdef DOS_NT
|
|
#if (__DJGPP__ >= 2) || (defined WINDOWSNT)
|
|
if (!isatty (fileno (fp)))
|
|
setmode (fileno (fp), O_BINARY);
|
|
#else
|
|
(fp)->_flag &= ~_IOTEXT; /* read binary */
|
|
_setmode (fileno (fp), O_BINARY);
|
|
#endif
|
|
#endif
|
|
address = 0;
|
|
string[0] = ' ';
|
|
string[17] = '\0';
|
|
for (;;)
|
|
{
|
|
register int i, c = 0;
|
|
|
|
for (i=0; i < 16; ++i)
|
|
{
|
|
if ((c = getc (fp)) == EOF)
|
|
{
|
|
if (!i)
|
|
break;
|
|
|
|
fputs (" ", stdout);
|
|
string[i+1] = '\0';
|
|
}
|
|
else
|
|
{
|
|
if (!i)
|
|
printf ("%08lx: ", address);
|
|
|
|
if (iso_flag)
|
|
string[i+1] =
|
|
(c < 0x20 || (c >= 0x7F && c < 0xa0)) ? '.' :c;
|
|
else
|
|
string[i+1] = (c < 0x20 || c >= 0x7F) ? '.' : c;
|
|
|
|
printf ("%02x", c);
|
|
}
|
|
|
|
if ((i&group_by) == group_by)
|
|
putchar (' ');
|
|
}
|
|
|
|
if (i)
|
|
puts (string);
|
|
|
|
if (c == EOF)
|
|
break;
|
|
|
|
address += 0x10;
|
|
|
|
}
|
|
}
|
|
|
|
if (fp != stdin)
|
|
fclose (fp);
|
|
|
|
} while (*argv != NULL);
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
void
|
|
usage ()
|
|
{
|
|
fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
/* arch-tag: 20e04fb7-926e-4e48-be86-64fe869ecdaa
|
|
(do not change this comment) */
|
|
|
|
/* hexl.c ends here */
|