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Commit 20333561 authored by Richard M. Stallman's avatar Richard M. Stallman
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Fix up whitespace. Get rid of spurious casts to void. 

[MSDOS]: Use binary file modes for non-text side of pipe.
(main): Use fclose to close file opened by fopen.
parent c8b836f6
Hide whitespace changes
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Showing with 156 additions and 135 deletions
lib-src/hexl.c
View file @ 20333561
#include <stdio.h>
#include <ctype.h>
#ifdef MSDOS
#include <fcntl.h>
#endif
#define DEFAULT_GROUPING 0x01
#define DEFAULT_BASE 16
......@@ -9,211 +12,229 @@
#define TRUE (1)
#define FALSE (0)
extern void exit(), perror();
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[];
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)
*/
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])
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 MSDOS
(stdout)->_flag &= ~_IOTEXT; /* print binary */
_setmode (fileno (stdout), O_BINARY);
#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 MSDOS
(fp)->_flag &= ~_IOTEXT; /* read binary */
_setmode (fileno (fp), O_BINARY);
#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 ("%08x: ", 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()
usage ()
{
(void) fprintf(stderr, "usage: %s [-de] [-iso]\n", progname);
exit(1);
fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
exit (1);
}
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