/* A tar (tape archiver) program.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- 2001, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
Written by John Gilmore, starting 1985-08-25.
E use extended headers (--format=posix)
[q alias for --occurrence=1 =/= this would better be used for quiet?]
[I same as T =/= will harm star compatibility]
-
+
y per-file gzip compression
Y per-block gzip compression */
static struct argp_option options[] = {
{NULL, 0, NULL, 0,
N_("Main operation mode:"), 0},
-
+
{"list", 't', 0, 0,
N_("list the contents of an archive"), 10 },
{"extract", 'x', 0, 0,
N_("ignore exit codes of children"), 41 },
{"no-ignore-command-error", NO_IGNORE_COMMAND_ERROR_OPTION, 0, 0,
N_("treat non-zero exit codes of children as error"), 41 },
-
+
{NULL, 0, NULL, 0,
N_("Handling of file attributes:"), 50 },
{NULL, 0, NULL, 0,
N_("Device selection and switching:"), 60 },
-
+
{"file", 'f', N_("ARCHIVE"), 0,
N_("use archive file or device ARCHIVE"), 61 },
{"force-local", FORCE_LOCAL_OPTION, 0, 0,
N_("archive file is local even if it has a colon"), 61 },
{"rmt-command", RMT_COMMAND_OPTION, N_("COMMAND"), 0,
- N_("use given rmt COMMAND instead of rmt"), 61 },
+ N_("use given rmt COMMAND instead of rmt"), 61 },
{"rsh-command", RSH_COMMAND_OPTION, N_("COMMAND"), 0,
N_("use remote COMMAND instead of rsh"), 61 },
#ifdef DEVICE_PREFIX
{"-[0-7][lmh]", 0, NULL, OPTION_DOC, /* It is OK, since `name' will never be
translated */
N_("specify drive and density"), 61 },
-#endif
+#endif
{NULL, '0', NULL, OPTION_HIDDEN, NULL, 61 },
{NULL, '1', NULL, OPTION_HIDDEN, NULL, 61 },
{NULL, '2', NULL, OPTION_HIDDEN, NULL, 61 },
{NULL, '7', NULL, OPTION_HIDDEN, NULL, 61 },
{NULL, '8', NULL, OPTION_HIDDEN, NULL, 61 },
{NULL, '9', NULL, OPTION_HIDDEN, NULL, 61 },
-
+
{"multi-volume", 'M', 0, 0,
N_("create/list/extract multi-volume archive"), 61 },
{"tape-length", 'L', N_("NUMBER"), 0,
{"ignore-zeros", 'i', 0, 0,
N_("ignore zeroed blocks in archive (means EOF)"), 71 },
{"read-full-records", 'B', 0, 0,
- N_("reblock as we read (for 4.2BSD pipes)"), 71 },
+ N_("reblock as we read (for 4.2BSD pipes)"), 71 },
{NULL, 0, NULL, 0,
N_("Archive format selection:"), 80 },
-
+
{"format", 'H', N_("FORMAT"), 0,
N_("create archive of the given format."), 81 },
{" pax", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
N_("POSIX 1003.1-2001 (pax) format"), 83 },
{" posix", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("same as pax"), 83 },
-
+
{"old-archive", OLD_ARCHIVE_OPTION, 0, 0, /* FIXME */
N_("same as --format=v7"), 88 },
{"portability", 0, 0, OPTION_ALIAS, NULL, 88 },
{NULL, 0, NULL, 0,
N_("Informative output:"), 100 },
-
+
{"verbose", 'v', 0, 0,
N_("verbosely list files processed"), 101 },
{"checkpoint", CHECKPOINT_OPTION, 0, 0,
N_("Show tar defaults"), 102 },
{"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0,
N_("When listing or extracting, list each directory that does not match search criteria"), 102 },
-
+
{NULL, 0, NULL, 0,
N_("Compatibility options:"), 110 },
p->dev = st.st_dev;
file_id_list = p;
}
-
+
static void
update_argv (const char *filename, struct argp_state *state)
{
char **new_argv;
size_t new_argc;
bool is_stdin = false;
-
+
if (!strcmp (filename, "-"))
{
is_stdin = true;
if ((fp = fopen (filename, "r")) == NULL)
open_fatal (filename);
}
-
+
while (read_name_from_file (fp, &argv_stk))
count++;
if (!is_stdin)
fclose (fp);
-
+
if (count == 0)
return;
start = obstack_finish (&argv_stk);
-
+
if (filename_terminator == 0)
for (p = start; *p; p += strlen (p) + 1)
if (p[0] == '-')
count++;
-
+
new_argc = state->argc + count;
new_argv = xmalloc (sizeof (state->argv[0]) * (new_argc + 1));
memcpy (new_argv, state->argv, sizeof (state->argv[0]) * (state->argc + 1));
parse_opt (int key, char *arg, struct argp_state *state)
{
struct tar_args *args = state->input;
-
+
switch (key)
{
case ARGP_KEY_ARG:
case 'A':
set_subcommand_option (CAT_SUBCOMMAND);
break;
-
+
case 'b':
{
uintmax_t u;
case 'B':
/* Try to reblock input records. For reading 4.2BSD pipes. */
-
+
/* It would surely make sense to exchange -B and -R, but it seems
that -B has been used for a long while in Sun tar and most
BSD-derived systems. This is a consequence of the block/record
terminology confusion. */
-
+
read_full_records_option = true;
break;
case 'F':
/* Since -F is only useful with -M, make it implied. Run this
script at the end of each tape. */
-
+
info_script_option = arg;
multi_volume_option = true;
break;
-
+
case 'g':
listed_incremental_option = arg;
after_date_option = true;
/* Fall through. */
-
+
case 'G':
/* We are making an incremental dump (FIXME: are we?); save
directories at the beginning of the archive, and include in each
directory its contents. */
-
+
incremental_option = true;
break;
-
+
case 'h':
/* Follow symbolic links. */
dereference_option = true;
break;
-
+
case 'i':
/* Ignore zero blocks (eofs). This can't be the default,
because Unix tar writes two blocks of zeros, then pads out
the record with garbage. */
-
+
ignore_zeros_option = true;
break;
-
+
case 'I':
USAGE_ERROR ((0, 0,
_("Warning: the -I option is not supported;"
" perhaps you meant -j or -T?")));
break;
-
+
case 'j':
set_use_compress_program_option ("bzip2");
break;
-
+
case 'k':
/* Don't replace existing files. */
old_files_option = KEEP_OLD_FILES;
break;
-
+
case 'K':
starting_file_option = true;
addname (arg, 0);
break;
-
+
case 'l':
/* Historically equivalent to --one-file-system. This usage is
incompatible with UNIX98 and POSIX specs and therefore is
that are on other filesystems. */
one_file_system_option = true;
break;
-
+
case 'L':
{
uintmax_t u;
multi_volume_option = true;
}
break;
-
+
case 'm':
touch_option = true;
break;
-
+
case 'M':
/* Make multivolume archive: when we can't write any more into
the archive, re-open it, and continue writing. */
-
+
multi_volume_option = true;
break;
case 'n':
seekable_archive = true;
break;
-
+
#if !MSDOS
case 'N':
after_date_option = true;
case NEWER_MTIME_OPTION:
if (NEWER_OPTION_INITIALIZED (newer_mtime_option))
USAGE_ERROR ((0, 0, _("More than one threshold date")));
-
+
if (FILE_SYSTEM_PREFIX_LEN (arg) != 0
|| ISSLASH (*arg)
|| *arg == '.')
else
args->textual_date_option = arg;
}
-
+
break;
#endif /* not MSDOS */
-
+
case 'o':
args->o_option = true;
break;
-
+
case 'O':
to_stdout_option = true;
break;
case 'p':
same_permissions_option = true;
break;
-
+
case 'P':
absolute_names_option = true;
break;
-
+
case 'r':
set_subcommand_option (APPEND_SUBCOMMAND);
break;
-
+
case 'R':
/* Print block numbers for debugging bad tar archives. */
-
+
/* It would surely make sense to exchange -B and -R, but it seems
that -B has been used for a long while in Sun tar ans most
BSD-derived systems. This is a consequence of the block/record
terminology confusion. */
-
+
block_number_option = true;
break;
-
+
case 's':
/* Names to extr are sorted. */
-
+
same_order_option = true;
break;
-
+
case 'S':
sparse_option = true;
break;
-
+
case 't':
set_subcommand_option (LIST_SUBCOMMAND);
verbose_option++;
/* Indicate we've been given -T option. This is for backward
compatibility only, so that `tar cfT archive /dev/null will
succeed */
- files_from_option = true;
+ files_from_option = true;
break;
-
+
case 'u':
set_subcommand_option (UPDATE_SUBCOMMAND);
break;
-
+
case 'U':
old_files_option = UNLINK_FIRST_OLD_FILES;
break;
-
+
case UTC_OPTION:
utc_option = true;
break;
-
+
case 'v':
verbose_option++;
break;
-
+
case 'V':
volume_label_option = arg;
break;
-
+
case 'w':
interactive_option = true;
break;
-
+
case 'W':
verify_option = true;
break;
-
+
case 'x':
set_subcommand_option (EXTRACT_SUBCOMMAND);
break;
-
+
case 'X':
if (add_exclude_file (add_exclude, excluded, arg,
args->exclude_options | recursion_option, '\n')
FATAL_ERROR ((0, e, "%s", quotearg_colon (arg)));
}
break;
-
+
case 'y':
USAGE_ERROR ((0, 0,
_("Warning: the -y option is not supported;"
" perhaps you meant -j?")));
break;
-
+
case 'z':
set_use_compress_program_option ("gzip");
break;
-
+
case 'Z':
set_use_compress_program_option ("compress");
break;
case ANCHORED_OPTION:
args->exclude_options |= EXCLUDE_ANCHORED;
break;
-
+
case ATIME_PRESERVE_OPTION:
atime_preserve_option = true;
break;
-
+
case CHECKPOINT_OPTION:
checkpoint_option = true;
break;
-
+
case BACKUP_OPTION:
backup_option = true;
if (arg)
args->version_control_string = arg;
break;
-
+
case DELETE_OPTION:
set_subcommand_option (DELETE_SUBCOMMAND);
break;
-
+
case EXCLUDE_OPTION:
add_exclude (excluded, arg, args->exclude_options | recursion_option);
break;
-
+
case EXCLUDE_CACHES_OPTION:
exclude_caches_option = true;
break;
case FORCE_LOCAL_OPTION:
force_local_option = true;
break;
-
+
case 'H':
set_archive_format (arg);
break;
-
+
case INDEX_FILE_OPTION:
index_file_name = arg;
break;
-
+
case IGNORE_CASE_OPTION:
args->exclude_options |= FNM_CASEFOLD;
break;
case IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = true;
break;
-
+
case IGNORE_FAILED_READ_OPTION:
ignore_failed_read_option = true;
break;
-
+
case KEEP_NEWER_FILES_OPTION:
old_files_option = KEEP_NEWER_FILES;
break;
-
+
case GROUP_OPTION:
if (! (strlen (arg) < GNAME_FIELD_SIZE
&& gname_to_gid (arg, &group_option)))
_("%s: Invalid group")));
}
break;
-
+
case MODE_OPTION:
- mode_option
- = mode_compile (arg,
- MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS);
- if (mode_option == MODE_INVALID)
+ mode_option = mode_compile (arg);
+ if (!mode_option)
FATAL_ERROR ((0, 0, _("Invalid mode given on option")));
- if (mode_option == MODE_MEMORY_EXHAUSTED)
- xalloc_die ();
+ initial_umask = umask (0);
+ umask (initial_umask);
break;
-
+
case NO_ANCHORED_OPTION:
args->exclude_options &= ~ EXCLUDE_ANCHORED;
break;
-
+
case NO_IGNORE_CASE_OPTION:
args->exclude_options &= ~ FNM_CASEFOLD;
break;
-
+
case NO_IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = false;
break;
case NO_OVERWRITE_DIR_OPTION:
old_files_option = NO_OVERWRITE_DIR_OLD_FILES;
break;
-
+
case NO_WILDCARDS_OPTION:
args->exclude_options &= ~ EXCLUDE_WILDCARDS;
break;
-
+
case NO_WILDCARDS_MATCH_SLASH_OPTION:
args->exclude_options |= FNM_FILE_NAME;
break;
-
+
case NULL_OPTION:
filename_terminator = '\0';
break;
-
+
case NUMERIC_OWNER_OPTION:
numeric_owner_option = true;
break;
-
+
case OCCURRENCE_OPTION:
if (!arg)
occurrence_option = 1;
_("Invalid number")));
}
break;
-
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
_("Invalid owner")));
}
break;
-
+
case PAX_OPTION:
args->pax_option++;
xheader_set_option (arg);
break;
-
+
case POSIX_OPTION:
set_archive_format ("posix");
break;
-
+
case PRESERVE_OPTION:
same_permissions_option = true;
same_order_option = true;
break;
-
+
case RECORD_SIZE_OPTION:
{
uintmax_t u;
blocking_factor = record_size / BLOCKSIZE;
}
break;
-
+
case RECURSIVE_UNLINK_OPTION:
recursive_unlink_option = true;
break;
-
+
case REMOVE_FILES_OPTION:
remove_files_option = true;
break;
-
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
-
+
case RSH_COMMAND_OPTION:
rsh_command_option = arg;
break;
-
+
case SHOW_DEFAULTS_OPTION:
show_default_settings (stdout);
exit(0);
-
+
case STRIP_COMPONENTS_OPTION:
{
uintmax_t u;
case SHOW_OMITTED_DIRS_OPTION:
show_omitted_dirs_option = true;
break;
-
+
case SUFFIX_OPTION:
backup_option = true;
args->backup_suffix_string = arg;
USAGE_ERROR ((0, 0, _("Only one --to-command option allowed")));
to_command_option = arg;
break;
-
+
case TOTALS_OPTION:
totals_option = true;
break;
-
+
case USE_COMPRESS_PROGRAM_OPTION:
set_use_compress_program_option (arg);
break;
-
+
case VOLNO_FILE_OPTION:
volno_file_option = arg;
break;
-
+
case WILDCARDS_OPTION:
args->exclude_options |= EXCLUDE_WILDCARDS;
break;
-
+
case WILDCARDS_MATCH_SLASH_OPTION:
args->exclude_options &= ~ FNM_FILE_NAME;
break;
case CHECK_LINKS_OPTION:
check_links_option = 1;
break;
-
+
case NO_RECURSION_OPTION:
recursion_option = 0;
break;
case NO_UNQUOTE_OPTION:
unquote_option = false;
break;
-
+
case '0':
case '1':
case '2':
if (arg[1])
argp_error (state, _("Malformed density argument: %s"), quote (arg));
-
+
strcpy (buf, DEVICE_PREFIX);
cursor = buf + strlen (buf);
#ifdef DENSITY_LETTER
sprintf (cursor, "%d%c", device, arg[0]);
-
+
#else /* not DENSITY_LETTER */
switch (arg[0])
device += LOW_NUM;
#endif
break;
-
+
case 'm':
#ifdef MID_NUM
device += MID_NUM;
device += 8;
#endif
break;
-
+
case 'h':
#ifdef HGH_NUM
device += HGH_NUM;
argp_error (state, _("Unknown density: `%c'"), arg[0]);
}
sprintf (cursor, "%d", device);
-
+
#endif /* not DENSITY_LETTER */
if (archive_names == allocated_archive_names)
#else /* not DEVICE_PREFIX */
- argp_error (state,
+ argp_error (state,
_("Options `-[0-7][lmh]' not supported by *this* tar"));
-
+
#endif /* not DEVICE_PREFIX */
-
+
case '?':
state->flags |= ARGP_NO_EXIT;
argp_state_help (state, state->out_stream,
fprintf (state->out_stream, _("\n*This* tar defaults to:\n"));
show_default_settings (state->out_stream);
fprintf (state->out_stream, "\n");
- fprintf (state->out_stream, _("Report bugs to %s.\n"),
+ fprintf (state->out_stream, _("Report bugs to %s.\n"),
argp_program_bug_address);
exit (0);
while (_argp_hang-- > 0)
sleep (1);
break;
-
+
default:
return ARGP_ERR_UNKNOWN;
}
{
int index;
struct tar_args args;
-
+
/* Set some default option values. */
args.textual_date_option = NULL;
args.exclude_options = EXCLUDE_WILDCARDS;
newer_mtime_option.tv_nsec = -1;
recursion_option = FNM_LEADING_DIR;
unquote_option = true;
-
+
owner_option = -1;
group_option = -1;
for (letter = *in++; *letter; letter++)
{
struct argp_option *opt;
-
+
buffer[1] = *letter;
*out++ = xstrdup (buffer);
opt = find_argp_option (options, *letter);
if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER|ARGP_NO_HELP,
&index, &args))
exit (1);
-
+
/* Special handling for 'o' option:
problem. */
seekable_archive = false;
}
-
+
if (archive_names == 0)
{
/* If no archive file name given, try TAPE from the environment, or
archive_names = 0;
obstack_init (&argv_stk);
-
+
#ifdef SIGCHLD
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
projects / chaz / tar / commitdiff
