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[Emacs-diffs] Changes to emacs/lib-src/hexl.c [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lib-src/hexl.c [lexbind] |
Date: |
Tue, 14 Oct 2003 19:59:24 -0400 |
Index: emacs/lib-src/hexl.c
diff -c /dev/null emacs/lib-src/hexl.c:1.13.4.1
*** /dev/null Tue Oct 14 19:59:24 2003
--- emacs/lib-src/hexl.c Tue Oct 14 19:59:14 2003
***************
*** 0 ****
--- 1,284 ----
+ /* Convert files for Emacs Hexl mode.
+ Copyright (C) 1989 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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, 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;
+
+ 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 0;
+ }
+
+ void
+ usage ()
+ {
+ fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
+ exit (1);
+ }
+
+ /* arch-tag: 20e04fb7-926e-4e48-be86-64fe869ecdaa
+ (do not change this comment) */
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Miles Bader <=