+/* 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
#define TRUE (1)
#define FALSE (0)
-extern void exit(), perror();
-
int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1;
int group_by = DEFAULT_GROUPING;
char *progname;
-main(argc, argv)
-int argc;
-char *argv[];
+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])
+ 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, "--"))
+ /* A switch! */
+ if (!strcmp (*argv, "--"))
{
- --argc; argv++;
- break;
- } else if (!strcmp(*argv, "-un") || !strcmp(*argv, "-de"))
+ --argc; argv++;
+ break;
+ }
+ else if (!strcmp (*argv, "-un") || !strcmp (*argv, "-de"))
{
- un_flag = TRUE;
- --argc; argv++;
- } else if (!strcmp(*argv, "-hex"))
+ un_flag = TRUE;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-hex"))
{
- base = 16;
- --argc; argv++;
- } else if (!strcmp(*argv, "-iso"))
+ base = 16;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-iso"))
{
- iso_flag = TRUE;
- --argc; argv++;
- } else if (!strcmp(*argv, "-oct"))
+ iso_flag = TRUE;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-oct"))
{
- base = 8;
- --argc; argv++;
- } else if (!strcmp(*argv, "-big-endian"))
+ base = 8;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-big-endian"))
{
- endian = 1;
- --argc; argv++;
- } else if (!strcmp(*argv, "-little-endian"))
+ endian = 1;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-little-endian"))
{
- endian = 0;
- --argc; argv++;
- } else if (!strcmp(*argv, "-group-by-8-bits"))
+ 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 = 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 = 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 = 0x03;
+ --argc; argv++;
+ }
+ else if (!strcmp (*argv, "-group-by-64-bits"))
{
- group_by = 0x07;
- endian = 0;
- --argc; argv++;
- } else
+ group_by = 0x07;
+ endian = 0;
+ --argc; argv++;
+ }
+ else
{
- (void) fprintf(stderr, "%s: invalid switch: \"%s\".\n", progname,
- *argv);
- usage();
+ fprintf (stderr, "%s: invalid switch: \"%s\".\n", progname,
+ *argv);
+ usage ();
}
}
- do
+ do
{
- if (*argv == NULL)
- fp = stdin;
- else
+ if (*argv == NULL)
+ fp = stdin;
+ else
{
- char *filename = *argv++;
+ char *filename = *argv++;
- if (!strcmp(filename, "-"))
- fp = stdin;
- else
- if ((fp = fopen(filename, "r")) == NULL)
- {
- perror(filename);
- continue;
- }
+ if (!strcmp (filename, "-"))
+ fp = stdin;
+ else if ((fp = fopen (filename, "r")) == NULL)
+ {
+ perror (filename);
+ continue;
+ }
}
- if (un_flag)
+ if (un_flag)
{
- char buf[18];
+ char buf[18];
- for (;;)
+#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;
+ register int i, c, d;
-#define hexchar(x) (isdigit(x) ? x - '0' : x - 'a' + 10)
+#define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10)
- (void) fread(buf, 1, 10, fp); /* skip 10 bytes */
+ fread (buf, 1, 10, fp); /* skip 10 bytes */
- for (i=0; i < 16; ++i)
+ for (i=0; i < 16; ++i)
{
- if ((c = getc(fp)) == ' ' || c == EOF)
- break;
+ if ((c = getc (fp)) == ' ' || c == EOF)
+ break;
- d = getc(fp);
- c = hexchar(c) * 0x10 + hexchar(d);
- (void) putchar(c);
+ d = getc (fp);
+ c = hexchar (c) * 0x10 + hexchar (d);
+ putchar (c);
- if ((i&group_by) == group_by)
- (void) getc(fp);
+ if ((i&group_by) == group_by)
+ getc (fp);
}
- if (c == ' ')
+ if (c == ' ')
{
- while ((c = getc(fp)) != '\n' && c != EOF)
- ;
+ while ((c = getc (fp)) != '\n' && c != EOF)
+ ;
- if (c == EOF)
- break;
+ if (c == EOF)
+ break;
}
- else
+ else
{
- if (i < 16)
- break;
+ if (i < 16)
+ break;
- (void) fread(buf, 1, 18, fp); /* skip 18 bytes */
+ fread (buf, 1, 18, fp); /* skip 18 bytes */
}
}
}
- else
+ else
{
- address = 0;
- string[0] = ' ';
- string[17] = '\0';
- for (;;)
+#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;
+ register int i, c;
- for (i=0; i < 16; ++i)
+ for (i=0; i < 16; ++i)
{
- if ((c = getc(fp)) == EOF)
+ if ((c = getc (fp)) == EOF)
{
- if (!i)
- break;
+ if (!i)
+ break;
- (void) fputs(" ", stdout);
- string[i+1] = '\0';
+ fputs (" ", stdout);
+ string[i+1] = '\0';
}
- else
+ else
{
- if (!i)
- (void) printf("%08x: ", address);
+ 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;
+ if (iso_flag)
+ string[i+1] =
+ (c < 0x20 || (c >= 0x7F && c < 0xa0)) ? '.' :c;
+ else
+ string[i+1] = (c < 0x20 || c >= 0x7F) ? '.' : c;
- (void) printf("%02x", c);
+ printf ("%02x", c);
}
- if ((i&group_by) == group_by)
- (void) putchar(' ');
+ if ((i&group_by) == group_by)
+ putchar (' ');
}
- if (i)
- (void) puts(string);
+ if (i)
+ puts (string);
- if (c == EOF)
- break;
+ if (c == EOF)
+ break;
- address += 0x10;
+ address += 0x10;
}
}
- if (fp != stdin)
- (void) close(fp);
+ if (fp != stdin)
+ fclose (fp);
} while (*argv != NULL);
- return 0;
+ return 0;
}
-usage()
+void
+usage ()
{
- (void) fprintf(stderr, "usage: %s [-de] [-iso]\n", progname);
- exit(1);
+ fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
+ exit (1);
}