/* od -- dump files in octal and other formats
- Copyright (C) 92, 1995-2001 Free Software Foundation, Inc.
+ Copyright (C) 92, 1995-2003 Free Software Foundation, Inc.
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
#include <getopt.h>
#include <sys/types.h>
#include "system.h"
-#include "closeout.h"
#include "error.h"
+#include "posixver.h"
#include "xstrtol.h"
/* The official name of this program (e.g., no `g' prefix). */
#define PROGRAM_NAME "od"
-#define AUTHORS "Jim Meyering"
+#define WRITTEN_BY _("Written by Jim Meyering.")
#if defined(__GNUC__) || defined(STDC_HEADERS)
# include <float.h>
typedef double LONG_DOUBLE;
#endif
-#if HAVE_VALUES_H
-# include <values.h>
-#endif
-
/* The default number of input bytes per output line. */
#define DEFAULT_BYTES_PER_BLOCK 16
# define LDBL_DIG DBL_DIG
#endif
+#if HAVE_UNSIGNED_LONG_LONG
+typedef unsigned long long ulonglong_t;
+#else
+/* This is just a place-holder to avoid a few `#if' directives.
+ In this case, the type isn't actually used. */
+typedef unsigned long int ulonglong_t;
+#endif
+
enum size_spec
{
NO_SIZE,
/* FIXME: add INTMAX support, too */
FLOAT_SINGLE,
FLOAT_DOUBLE,
- FLOAT_LONG_DOUBLE
+ FLOAT_LONG_DOUBLE,
+ N_SIZE_SPECS
};
enum output_format
CHARACTER
};
-/* Each output format specification (from POSIX `-t spec' or from
+/* Each output format specification (from `-t spec' or from
old-style options) is represented by one of these structures. */
struct tspec
{
enum output_format fmt;
enum size_spec size;
- void (*print_function) ();
+ void (*print_function) (size_t, const char *, const char *);
char *fmt_string;
int hexl_mode_trailer;
int field_width;
sizeof (short int),
sizeof (int),
sizeof (long int),
+ sizeof (ulonglong_t),
sizeof (float),
sizeof (double),
sizeof (LONG_DOUBLE)
};
+/* Ensure that for each member of `enum size_spec' there is an
+ initializer in the width_bytes array. */
+struct dummy
+{
+ int assert_width_bytes_matches_size_spec_decl
+ [sizeof width_bytes / sizeof width_bytes[0] == N_SIZE_SPECS ? 1 : -1];
+};
+
/* Names for some non-printing characters. */
static const char *const charname[33] =
{
static size_t string_min;
static int flag_dump_strings;
-/* Non-zero if we should recognize the pre-POSIX non-option arguments
+/* Non-zero if we should recognize the older non-option arguments
that specified at most one file and optional arguments specifying
offset and pseudo-start address. */
static int traditional;
/* Function that accepts an address and an optional following char,
and prints the address and char to stdout. */
-static void (*format_address) PARAMS ((uintmax_t, char));
+static void (*format_address) (uintmax_t, char);
/* The number of input bytes to skip before formatting and writing. */
static uintmax_t n_bytes_to_skip = 0;
/* If nonzero, at least one of the files we read was standard input. */
static int have_read_stdin;
-#if HAVE_UNSIGNED_LONG_LONG
-typedef unsigned long long ulonglong_t;
-#else
-/* This is just a place-holder to avoid a few `#if' directives.
- In this case, the type isn't actually used. */
-typedef unsigned long int ulonglong_t;
-#endif
-
#define MAX_INTEGRAL_TYPE_SIZE sizeof (ulonglong_t)
static enum size_spec integral_type_size[MAX_INTEGRAL_TYPE_SIZE + 1];
#define MAX_FP_TYPE_SIZE sizeof(LONG_DOUBLE)
static enum size_spec fp_type_size[MAX_FP_TYPE_SIZE + 1];
+#define COMMON_SHORT_OPTIONS "A:N:abcdfhij:lot:vx"
+
+/* For long options that have no equivalent short option, use a
+ non-character as a pseudo short option, starting with CHAR_MAX + 1. */
+enum
+{
+ TRADITIONAL_OPTION = CHAR_MAX + 1
+};
+
static struct option const long_options[] =
{
- /* POSIX options. */
{"skip-bytes", required_argument, NULL, 'j'},
{"address-radix", required_argument, NULL, 'A'},
{"read-bytes", required_argument, NULL, 'N'},
{"format", required_argument, NULL, 't'},
{"output-duplicates", no_argument, NULL, 'v'},
-
- /* non-POSIX options. */
{"strings", optional_argument, NULL, 's'},
- {"traditional", no_argument, NULL, 'B'},
+ {"traditional", no_argument, NULL, TRADITIONAL_OPTION},
{"width", optional_argument, NULL, 'w'},
{GETOPT_HELP_OPTION_DECL},
or: %s --traditional [FILE] [[+]OFFSET [[+]LABEL]]\n\
"),
program_name, program_name);
- printf (_("\n\
+ fputs (_("\n\
Write an unambiguous representation, octal bytes by default,\n\
of FILE to standard output. With more than one FILE argument,\n\
concatenate them in the listed order to form the input.\n\
With no FILE, or when FILE is -, read standard input.\n\
\n\
+"), stdout);
+ fputs (_("\
+All arguments to long options are mandatory for short options.\n\
+"), stdout);
+ fputs (_("\
-A, --address-radix=RADIX decide how file offsets are printed\n\
-j, --skip-bytes=BYTES skip BYTES input bytes first\n\
+"), stdout);
+ fputs (_("\
-N, --read-bytes=BYTES limit dump to BYTES input bytes\n\
-s, --strings[=BYTES] output strings of at least BYTES graphic chars\n\
-t, --format=TYPE select output format or formats\n\
-v, --output-duplicates do not use * to mark line suppression\n\
-w, --width[=BYTES] output BYTES bytes per output line\n\
- --traditional accept arguments in pre-POSIX form\n\
- --help display this help and exit\n\
- --version output version information and exit\n\
+ --traditional accept arguments in traditional form\n\
+"), stdout);
+ fputs (HELP_OPTION_DESCRIPTION, stdout);
+ fputs (VERSION_OPTION_DESCRIPTION, stdout);
+ fputs (_("\
\n\
-Pre-POSIX format specifications may be intermixed, they accumulate:\n\
+Traditional format specifications may be intermixed; they accumulate:\n\
-a same as -t a, select named characters\n\
-b same as -t oC, select octal bytes\n\
-c same as -t c, select ASCII characters or backslash escapes\n\
-d same as -t u2, select unsigned decimal shorts\n\
+"), stdout);
+ fputs (_("\
-f same as -t fF, select floats\n\
-h same as -t x2, select hexadecimal shorts\n\
-i same as -t d2, select decimal shorts\n\
-l same as -t d4, select decimal longs\n\
-o same as -t o2, select octal shorts\n\
-x same as -t x2, select hexadecimal shorts\n\
-"));
- printf (_("\
+"), stdout);
+ fputs (_("\
\n\
For older syntax (second call format), OFFSET means -j OFFSET. LABEL\n\
is the pseudo-address at first byte printed, incremented when dump is\n\
progressing. For OFFSET and LABEL, a 0x or 0X prefix indicates\n\
-hexadecimal, suffixes maybe . for octal and b multiply by 512.\n\
+hexadecimal, suffixes may be . for octal and b for multiply by 512.\n\
\n\
TYPE is made up of one or more of these specifications:\n\
\n\
a named character\n\
c ASCII character or backslash escape\n\
+"), stdout);
+ fputs (_("\
d[SIZE] signed decimal, SIZE bytes per integer\n\
f[SIZE] floating point, SIZE bytes per integer\n\
o[SIZE] octal, SIZE bytes per integer\n\
u[SIZE] unsigned decimal, SIZE bytes per integer\n\
x[SIZE] hexadecimal, SIZE bytes per integer\n\
+"), stdout);
+ fputs (_("\
\n\
SIZE is a number. For TYPE in doux, SIZE may also be C for\n\
sizeof(char), S for sizeof(short), I for sizeof(int) or L for\n\
sizeof(long). If TYPE is f, SIZE may also be F for sizeof(float), D\n\
for sizeof(double) or L for sizeof(long double).\n\
+"), stdout);
+ fputs (_("\
\n\
RADIX is d for decimal, o for octal, x for hexadecimal or n for none.\n\
BYTES is hexadecimal with 0x or 0X prefix, it is multiplied by 512\n\
with b suffix, by 1024 with k and by 1048576 with m. Adding a z suffix to\n\
any type adds a display of printable characters to the end of each line\n\
-of output. -s without a number implies 3. -w without a number implies 32.\n\
-By default, od uses -A o -t d2 -w 16.\n\
-"));
- puts (_("\nReport bugs to <bug-textutils@gnu.org>."));
+of output. \
+"), stdout);
+ fputs (_("\
+--string without a number implies 3. --width without a number\n\
+implies 32. By default, od uses -A o -t d2 -w 16.\n\
+"), stdout);
+ printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
}
exit (status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
return 0;
}
-/* If S points to a single valid POSIX-style od format string, put
+/* If S points to a single valid modern od format string, put
a description of that format in *TSPEC, make *NEXT point at the
character following the just-decoded format (if *NEXT is non-NULL),
and return zero. If S is not valid, don't modify *NEXT or *TSPEC,
enum output_format fmt;
const char *pre_fmt_string;
char *fmt_string;
- void (*print_function) PARAMS ((size_t, const char *, const char *));
+ void (*print_function) (size_t, const char *, const char *);
const char *p;
unsigned int c;
unsigned int field_width = 0;
break;
}
+#define ISPEC_TO_FORMAT(Spec, Min_format, Long_format, Max_format) \
+ ((Spec) == LONG_LONG ? (Max_format) \
+ : ((Spec) == LONG ? (Long_format) \
+ : (Min_format))) \
+
#define FMT_BYTES_ALLOCATED 9
fmt_string = xmalloc (FMT_BYTES_ALLOCATED);
{
case 'd':
fmt = SIGNED_DECIMAL;
- sprintf (fmt_string, " %%%u%sd",
+ sprintf (fmt_string, " %%%u%s",
(field_width = bytes_to_signed_dec_digits[size]),
- (size_spec == LONG ? "l"
- : (size_spec == LONG_LONG ? "ll"
- : "")));
+ ISPEC_TO_FORMAT (size_spec, "d", "ld", PRIdMAX));
break;
case 'o':
fmt = OCTAL;
- sprintf (fmt_string, " %%0%u%so",
+ sprintf (fmt_string, " %%0%u%s",
(field_width = bytes_to_oct_digits[size]),
- (size_spec == LONG ? "l" : ""));
+ ISPEC_TO_FORMAT (size_spec, "o", "lo", PRIoMAX));
break;
case 'u':
fmt = UNSIGNED_DECIMAL;
- sprintf (fmt_string, " %%%u%su",
+ sprintf (fmt_string, " %%%u%s",
(field_width = bytes_to_unsigned_dec_digits[size]),
- (size_spec == LONG ? "l" : ""));
+ ISPEC_TO_FORMAT (size_spec, "u", "lu", PRIuMAX));
break;
case 'x':
fmt = HEXADECIMAL;
- sprintf (fmt_string, " %%0%u%sx",
+ sprintf (fmt_string, " %%0%u%s",
(field_width = bytes_to_hex_digits[size]),
- (size_spec == LONG ? "l" : ""));
+ ISPEC_TO_FORMAT (size_spec, "x", "lx", PRIxMAX));
break;
default:
it is not standard input. Return nonzero if there has been an error
on in_stream or stdout; return zero otherwise. This function will
report more than one error only if both a read and a write error
- have occurred. */
+ have occurred. IN_ERRNO, if nonzero, is the error number
+ corresponding to the most recent action for IN_STREAM. */
static int
-check_and_close (void)
+check_and_close (int in_errno)
{
int err = 0;
{
if (ferror (in_stream))
{
- error (0, errno, "%s", input_filename);
+ error (0, in_errno, _("%s: read error"), input_filename);
if (in_stream != stdin)
fclose (in_stream);
err = 1;
if (ferror (stdout))
{
- error (0, errno, _("standard output"));
+ error (0, 0, _("write error"));
err = 1;
}
return err;
}
-/* Decode the POSIX-style od format string S. Append the decoded
+/* Decode the modern od format string S. Append the decoded
representation to the global array SPEC, reallocating SPEC if
necessary. Return zero if S is valid, nonzero otherwise. */
if (n_specs >= n_specs_allocated)
{
n_specs_allocated = 1 + (3 * n_specs_allocated) / 2;
- spec = (struct tspec *) xrealloc ((char *) spec,
- (n_specs_allocated
- * sizeof (struct tspec)));
+ spec = xrealloc (spec, (n_specs_allocated * sizeof (struct tspec)));
}
memcpy ((char *) &spec[n_specs], (char *) &tspec,
skip (uintmax_t n_skip)
{
int err = 0;
+ int in_errno = 0;
if (n_skip == 0)
return 0;
if (S_ISREG (file_stats.st_mode) && 0 <= file_stats.st_size)
{
- if (file_stats.st_size <= n_skip)
+ if ((uintmax_t) file_stats.st_size <= n_skip)
n_skip -= file_stats.st_size;
else
{
- if (lseek (fileno (in_stream), n_skip, SEEK_CUR) < 0)
+ if (fseeko (in_stream, n_skip, SEEK_CUR) != 0)
{
- error (0, errno, "%s", input_filename);
+ in_errno = errno;
err = 1;
}
n_skip = 0;
n_bytes_read = fread (buf, 1, n_bytes_to_read, in_stream);
n_skip -= n_bytes_read;
if (n_bytes_read != n_bytes_to_read)
- break;
+ {
+ in_errno = errno;
+ err = 1;
+ n_skip = 0;
+ break;
+ }
}
}
err = 1;
}
- err |= check_and_close ();
+ err |= check_and_close (in_errno);
err |= open_next_file ();
}
if (*c != EOF)
break;
- err |= check_and_close ();
+ err |= check_and_close (errno);
err |= open_next_file ();
}
if (n_read == n_needed)
break;
- err |= check_and_close ();
+ err |= check_and_close (errno);
err |= open_next_file ();
}
return l_c_m;
}
-/* If S is a valid pre-POSIX offset specification with an optional leading '+'
- return nonzero and set *OFFSET to the offset it denotes. */
+/* If S is a valid traditional offset specification with an optional
+ leading '+' return nonzero and set *OFFSET to the offset it denotes. */
-int
+static int
parse_old_offset (const char *s, uintmax_t *offset)
{
int radix;
int err;
size_t n_bytes_read;
- block[0] = (char *) alloca (bytes_per_block);
- block[1] = (char *) alloca (bytes_per_block);
+ block[0] = alloca (bytes_per_block);
+ block[1] = alloca (bytes_per_block);
current_offset = n_bytes_to_skip;
format_address (current_offset, '\n');
if (limit_bytes_to_format && current_offset >= end_offset)
- err |= check_and_close ();
+ err |= check_and_close (0);
return err;
}
A string constant is a run of at least `string_min' ASCII
graphic (or formatting) characters terminated by a null.
Based on a function written by Richard Stallman for a
- pre-POSIX version of od. Return nonzero if an error
+ traditional version of od. Return nonzero if an error
occurs. Otherwise, return zero. */
static int
free (buf);
- err |= check_and_close ();
+ err |= check_and_close (0);
return err;
}
int width_specified = 0;
int n_failed_decodes = 0;
int err;
+ char const *short_options = (posix2_version () < 200112
+ ? COMMON_SHORT_OPTIONS "s::w::"
+ : COMMON_SHORT_OPTIONS "s:w:");
/* The old-style `pseudo starting address' to be printed in parentheses
after any true address. */
uintmax_t pseudo_start IF_LINT (= 0);
+ initialize_main (&argc, &argv);
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
integral_type_size[sizeof (int)] = INT;
integral_type_size[sizeof (long int)] = LONG;
#if HAVE_UNSIGNED_LONG_LONG
+ /* If `long' and `long long' have the same size, it's fine
+ to overwrite the entry for `long' with this one. */
integral_type_size[sizeof (ulonglong_t)] = LONG_LONG;
#endif
n_specs = 0;
n_specs_allocated = 5;
- spec = (struct tspec *) xmalloc (n_specs_allocated * sizeof (struct tspec));
+ spec = xmalloc (n_specs_allocated * sizeof (struct tspec));
format_address = format_address_std;
address_base = 8;
address_pad_len = 7;
flag_dump_strings = 0;
- while ((c = getopt_long (argc, argv, "abcdfhilos::xw::A:j:N:t:v",
- long_options, NULL)) != -1)
+ while ((c = getopt_long (argc, argv, short_options, long_options, NULL))
+ != -1)
{
uintmax_t tmp;
enum strtol_error s_err;
abbreviate_duplicate_blocks = 0;
break;
- case 'B':
+ case TRADITIONAL_OPTION:
traditional = 1;
break;
- /* The next several cases map the old, pre-POSIX format
- specification options to the corresponding POSIX format
+ /* The next several cases map the traditional format
+ specification options to the corresponding modern format
specs. GNU od accepts any combination of old- and
new-style options. Format specification options accumulate. */
CASE_OLD_ARG ('o', "o2");
CASE_OLD_ARG ('x', "x2");
+ /* FIXME: POSIX 1003.1-2001 with XSI requires this:
+
+ CASE_OLD_ARG ('s', "d2");
+
+ for the traditional syntax, but this conflicts with case
+ 's' above. */
+
#undef CASE_OLD_ARG
case 'w':
case_GETOPT_HELP_CHAR;
- case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
+ case_GETOPT_VERSION_CHAR (PROGRAM_NAME, WRITTEN_BY);
default:
- usage (1);
+ usage (EXIT_FAILURE);
break;
}
}
n_files = argc - optind;
- /* If the --backward-compatible option is used, there may be from
+ /* If the --traditional option is used, there may be from
0 to 3 remaining command line arguments; handle each case
separately.
od [file] [[+]offset[.][b] [[+]label[.][b]]]
- The offset and pseudo_start have the same syntax. */
+ The offset and pseudo_start have the same syntax.
+
+ FIXME: POSIX 1003.1-2001 with XSI requires support for the
+ traditional syntax even if --traditional is not given. */
if (traditional)
{
error (0, 0,
_("invalid second operand in compatibility mode `%s'"),
argv[optind + 1]);
- usage (1);
+ usage (EXIT_FAILURE);
}
}
else if (n_files == 3)
{
error (0, 0,
_("in compatibility mode, the last two arguments must be offsets"));
- usage (1);
+ usage (EXIT_FAILURE);
}
}
else if (n_files > 3)
{
error (0, 0,
_("compatibility mode supports at most three arguments"));
- usage (1);
+ usage (EXIT_FAILURE);
}
if (flag_pseudo_start)
{
end_offset = n_bytes_to_skip + max_bytes_to_format;
if (end_offset < n_bytes_to_skip)
- error (EXIT_FAILURE, 0, "skip-bytes + read-bytes is too large");
+ error (EXIT_FAILURE, 0, _("skip-bytes + read-bytes is too large"));
}
if (n_specs == 0)
projects / platform / upstream / coreutils.git / blobdiff