static const char *stdin_used_by;
/* Doesn't return if stdin already requested. */
-void
+static void
request_stdin (const char *option)
{
if (stdin_used_by)
case UPDATE_SUBCOMMAND:
return "-u";
- default:
- abort ();
+ case TEST_LABEL_SUBCOMMAND:
+ return "--test-label";
}
+ abort ();
}
-void
-tar_list_quoting_styles (struct obstack *stk, char *prefix)
+static void
+tar_list_quoting_styles (struct obstack *stk, char const *prefix)
{
int i;
size_t prefixlen = strlen (prefix);
-
+
for (i = 0; quoting_style_args[i]; i++)
{
obstack_grow (stk, prefix, prefixlen);
}
}
-void
+static void
tar_set_quoting_style (char *arg)
{
int i;
EXCLUDE_TAG_ALL_OPTION,
EXCLUDE_VCS_OPTION,
FORCE_LOCAL_OPTION,
+ FULL_TIME_OPTION,
GROUP_OPTION,
IGNORE_CASE_OPTION,
IGNORE_COMMAND_ERROR_OPTION,
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
LEVEL_OPTION,
+ LZIP_OPTION,
LZMA_OPTION,
LZOP_OPTION,
MODE_OPTION,
UNQUOTE_OPTION,
UTC_OPTION,
VOLNO_FILE_OPTION,
- WARNING_OPTION,
+ WARNING_OPTION,
WILDCARDS_MATCH_SLASH_OPTION,
WILDCARDS_OPTION
};
{"no-auto-compress", NO_AUTO_COMPRESS_OPTION, 0, 0,
N_("do not use archive suffix to determine the compression program"),
GRID+1 },
- {"bzip2", 'j', 0, 0,
- N_("filter the archive through bzip2"), GRID+1 },
- {"gzip", 'z', 0, 0,
- N_("filter the archive through gzip"), GRID+1 },
+ {"use-compress-program", 'I', N_("PROG"), 0,
+ N_("filter through PROG (must accept -d)"), GRID+1 },
+ /* Note: docstrings for the options below are generated by tar_help_filter */
+ {"bzip2", 'j', 0, 0, NULL, GRID+1 },
+ {"gzip", 'z', 0, 0, NULL, GRID+1 },
{"gunzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"ungzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
- {"compress", 'Z', 0, 0,
- N_("filter the archive through compress"), GRID+1 },
+ {"compress", 'Z', 0, 0, NULL, GRID+1 },
{"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
- {"lzma", LZMA_OPTION, 0, 0,
- N_("filter the archive through lzma"), GRID+1 },
- {"lzop", LZOP_OPTION, 0, 0,
- N_("filter the archive through lzop"), GRID+8 },
- {"xz", 'J', 0, 0,
- N_("filter the archive through xz"), GRID+8 },
- {"use-compress-program", 'I', N_("PROG"), 0,
- N_("filter through PROG (must accept -d)"), GRID+1 },
+ {"lzip", LZIP_OPTION, 0, 0, NULL, GRID+1 },
+ {"lzma", LZMA_OPTION, 0, 0, NULL, GRID+1 },
+ {"lzop", LZOP_OPTION, 0, 0, NULL, GRID+1 },
+ {"xz", 'J', 0, 0, NULL, GRID+1 },
#undef GRID
-
+
#define GRID 100
{NULL, 0, NULL, 0,
N_("Local file selection:"), GRID },
"Allowed signals are: SIGHUP, SIGQUIT, SIGINT, SIGUSR1 and SIGUSR2; "
"the names without SIG prefix are also accepted"), GRID+1 },
{"utc", UTC_OPTION, 0, 0,
- N_("print file modification dates in UTC"), GRID+1 },
+ N_("print file modification times in UTC"), GRID+1 },
+ {"full-time", FULL_TIME_OPTION, 0, 0,
+ N_("print file time to its full resolution"), GRID+1 },
{"index-file", INDEX_FILE_OPTION, N_("FILE"), 0,
N_("send verbose output to FILE"), GRID+1 },
{"block-number", 'R', 0, 0,
NULL
};
-void
+static void
add_exclude_array (char const * const * fv)
{
int i;
static char *
format_default_settings (void)
{
- char *s;
-
- asprintf (&s,
+ return xasprintf (
"--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s"
#ifdef REMOTE_SHELL
" --rsh-command=%s"
#endif
,
- archive_format_string (DEFAULT_ARCHIVE_FORMAT),
- DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT),
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
quoting_style_args[DEFAULT_QUOTING_STYLE],
- DEFAULT_RMT_COMMAND,
+ DEFAULT_RMT_COMMAND
#ifdef REMOTE_SHELL
- REMOTE_SHELL
+ , REMOTE_SHELL
#endif
);
- return s;
}
\f
if (subcommand_option != UNKNOWN_SUBCOMMAND
&& subcommand_option != subcommand)
USAGE_ERROR ((0, 0,
- _("You may not specify more than one `-Acdtrux' option")));
-
+ _("You may not specify more than one `-Acdtrux' or `--test-label' option")));
+
subcommand_option = subcommand;
}
if (use_compress_program_option
&& strcmp (use_compress_program_option, string) != 0)
USAGE_ERROR ((0, 0, _("Conflicting compression options")));
-
+
use_compress_program_option = string;
}
\f
#endif
}
-void
+static void
set_stat_signal (const char *name)
{
static struct sigtab
{
- char *name;
+ char const *name;
int signo;
- } sigtab[] = {
+ } const sigtab[] = {
{ "SIGUSR1", SIGUSR1 },
{ "USR1", SIGUSR1 },
{ "SIGUSR2", SIGUSR2 },
{ "SIGQUIT", SIGQUIT },
{ "QUIT", SIGQUIT }
};
- struct sigtab *p;
+ struct sigtab const *p;
for (p = sigtab; p < sigtab + sizeof (sigtab) / sizeof (sigtab[0]); p++)
if (strcmp (p->name, name) == 0)
obstack_1grow (stk, c);
counter++;
}
-
+
if (counter == 0 && c != EOF)
return file_list_skip;
bool is_stdin = false;
enum read_file_list_state read_state;
int term = filename_terminator;
-
+
if (!strcmp (filename, "-"))
{
is_stdin = true;
if ((fp = fopen (filename, "r")) == NULL)
open_fatal (filename);
}
-
+
while ((read_state = read_name_from_file (fp, &argv_stk, term))
!= file_list_end)
{
case file_list_success:
count++;
break;
-
+
case file_list_end: /* won't happen, just to pacify gcc */
break;
-
+
case file_list_zero:
{
size_t size;
-
+
WARNOPT (WARN_FILENAME_WITH_NULS,
(0, 0, N_("%s: file name read contains nul character"),
quotearg_colon (filename)));
-
+
/* Prepare new stack contents */
size = obstack_object_size (&argv_stk);
p = obstack_finish (&argv_stk);
term = 0;
break;
}
-
+
case file_list_skip:
break;
}
}
-
+
if (!is_stdin)
fclose (fp);
-
+
if (count == 0)
return;
-
+
start = obstack_finish (&argv_stk);
-
+
if (term == 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));
state->argv = new_argv;
memmove (&state->argv[state->next + count], &state->argv[state->next],
(state->argc - state->next + 1) * sizeof (state->argv[0]));
-
+
state->argc = new_argc;
-
+
for (i = state->next, p = start; *p; p += strlen (p) + 1, i++)
{
if (term == 0 && p[0] == '-')
struct obstack stk;
char *s;
- if (key != ARGP_KEY_HELP_EXTRA)
- return (char*) text;
+ switch (key)
+ {
+ default:
+ s = (char*) text;
+ break;
+
+ case 'j':
+ s = xasprintf (_("filter the archive through %s"), BZIP2_PROGRAM);
+ break;
- obstack_init (&stk);
- s = _("Valid arguments for the --quoting-style option are:");
- obstack_grow (&stk, s, strlen (s));
- obstack_grow (&stk, "\n\n", 2);
- tar_list_quoting_styles (&stk, " ");
- s = _("\n*This* tar defaults to:\n");
- obstack_grow (&stk, s, strlen (s));
- s = format_default_settings ();
- obstack_grow (&stk, s, strlen (s));
- obstack_1grow (&stk, '\n');
- obstack_1grow (&stk, 0);
- s = xstrdup (obstack_finish (&stk));
- obstack_free (&stk, NULL);
+ case 'z':
+ s = xasprintf (_("filter the archive through %s"), GZIP_PROGRAM);
+ break;
+
+ case 'Z':
+ s = xasprintf (_("filter the archive through %s"), COMPRESS_PROGRAM);
+ break;
+
+ case LZIP_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZIP_PROGRAM);
+ break;
+
+ case LZMA_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZMA_PROGRAM);
+ break;
+
+ case 'J':
+ s = xasprintf (_("filter the archive through %s"), XZ_PROGRAM);
+ break;
+
+ case ARGP_KEY_HELP_EXTRA:
+ {
+ const char *tstr;
+
+ obstack_init (&stk);
+ tstr = _("Valid arguments for the --quoting-style option are:");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ obstack_grow (&stk, "\n\n", 2);
+ tar_list_quoting_styles (&stk, " ");
+ tstr = _("\n*This* tar defaults to:\n");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ s = format_default_settings ();
+ obstack_grow (&stk, s, strlen (s));
+ obstack_1grow (&stk, '\n');
+ obstack_1grow (&stk, 0);
+ s = xstrdup (obstack_finish (&stk));
+ obstack_free (&stk, NULL);
+ }
+ }
return s;
}
\f
{
struct obstack stk;
char *res;
-
+
obstack_init (&stk);
while (*arg)
{
}
\f
+#define TAR_SIZE_SUFFIXES "bBcGgkKMmPTtw"
+
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
name_add_name (arg, MAKE_INCL_OPTIONS (args));
args->input_files = true;
break;
-
+
case 'A':
set_subcommand_option (CAT_SUBCOMMAND);
break;
-
+
case 'a':
args->compress_autodetect = true;
break;
-
+
case NO_AUTO_COMPRESS_OPTION:
args->compress_autodetect = false;
break;
-
+
case 'b':
{
uintmax_t u;
_("Invalid blocking factor")));
}
break;
-
+
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 'c':
set_subcommand_option (CREATE_SUBCOMMAND);
break;
-
+
case 'C':
name_add_dir (arg);
break;
-
+
case 'd':
set_subcommand_option (DIFF_SUBCOMMAND);
break;
-
+
case 'f':
if (archive_names == allocated_archive_names)
archive_name_array = x2nrealloc (archive_name_array,
&allocated_archive_names,
sizeof (archive_name_array[0]));
-
+
archive_name_array[archive_names++] = arg;
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 FULL_TIME_OPTION:
+ full_time_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 HARD_DEREFERENCE_OPTION:
hard_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 'j':
- set_use_compress_program_option ("bzip2");
+ set_use_compress_program_option (BZIP2_PROGRAM);
break;
-
+
case 'J':
- set_use_compress_program_option ("xz");
+ set_use_compress_program_option (XZ_PROGRAM);
break;
-
+
case 'k':
/* Don't replace existing files. */
old_files_option = KEEP_OLD_FILES;
break;
-
+
case 'K':
starting_file_option = true;
addname (arg, 0, true, NULL);
break;
-
+
case ONE_FILE_SYSTEM_OPTION:
/* When dumping directories, don't dump files/subdirectories
that are on other filesystems. */
one_file_system_option = true;
break;
-
+
case 'l':
check_links_option = 1;
break;
-
+
case 'L':
{
uintmax_t u;
- if (xstrtoumax (arg, 0, 10, &u, "") != LONGINT_OK)
+ char *p;
+
+ if (xstrtoumax (arg, &p, 10, &u, TAR_SIZE_SUFFIXES) != LONGINT_OK)
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid tape length")));
- tape_length_option = 1024 * (tarlong) u;
+ if (p > arg && !strchr (TAR_SIZE_SUFFIXES, p[-1]))
+ tape_length_option = 1024 * (tarlong) u;
+ else
+ tape_length_option = (tarlong) u;
multi_volume_option = true;
}
break;
-
+
case LEVEL_OPTION:
{
char *p;
USAGE_ERROR ((0, 0, _("Invalid incremental level value")));
}
break;
-
+
+ case LZIP_OPTION:
+ set_use_compress_program_option (LZIP_PROGRAM);
+ break;
+
case LZMA_OPTION:
- set_use_compress_program_option ("lzma");
+ set_use_compress_program_option (LZMA_PROGRAM);
break;
-
+
case LZOP_OPTION:
- set_use_compress_program_option ("lzop");
+ set_use_compress_program_option (LZOP_PROGRAM);
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 MTIME_OPTION:
get_date_or_file (args, "--mtime", arg, &mtime_option);
set_mtime_option = true;
break;
-
+
case 'n':
seek_option = 1;
break;
-
+
case NO_SEEK_OPTION:
seek_option = 0;
break;
-
+
case 'N':
after_date_option = true;
/* Fall through. */
-
+
case NEWER_MTIME_OPTION:
if (NEWER_OPTION_INITIALIZED (newer_mtime_option))
USAGE_ERROR ((0, 0, _("More than one threshold date")));
key == NEWER_MTIME_OPTION ? "--newer-mtime"
: "--after-date", arg, &newer_mtime_option);
break;
-
+
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 and most
BSD-derived systems. This is a consequence of the block/record
terminology confusion. */
-
+
block_number_option = true;
break;
-
+
case 's':
/* Names to extract are sorted. */
-
+
same_order_option = true;
break;
-
+
case 'S':
sparse_option = true;
break;
-
+
case SPARSE_VERSION_OPTION:
sparse_option = true;
{
}
}
break;
-
+
case 't':
set_subcommand_option (LIST_SUBCOMMAND);
verbose_option++;
break;
-
+
case TEST_LABEL_OPTION:
- set_subcommand_option (LIST_SUBCOMMAND);
- test_label_option = true;
+ set_subcommand_option (TEST_LABEL_SUBCOMMAND);
break;
-
+
case 'T':
update_argv (arg, state);
/* Indicate we've been given -T option. This is for backward
succeed */
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++;
warning_option |= WARN_VERBOSE_WARNINGS;
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,
MAKE_EXCL_OPTIONS (args), '\n')
FATAL_ERROR ((0, e, "%s", quotearg_colon (arg)));
}
break;
-
+
case 'z':
- set_use_compress_program_option ("gzip");
+ set_use_compress_program_option (GZIP_PROGRAM);
break;
-
+
case 'Z':
- set_use_compress_program_option ("compress");
+ set_use_compress_program_option (COMPRESS_PROGRAM);
break;
-
+
case ANCHORED_OPTION:
args->matching_flags |= EXCLUDE_ANCHORED;
break;
-
+
case ATIME_PRESERVE_OPTION:
atime_preserve_option =
(arg
_("--atime-preserve='system' is not supported"
" on this platform")));
break;
-
+
case CHECK_DEVICE_OPTION:
check_device_option = true;
break;
-
+
case NO_CHECK_DEVICE_OPTION:
check_device_option = false;
break;
-
+
case CHECKPOINT_OPTION:
if (arg)
{
char *p;
-
+
if (*arg == '.')
{
checkpoint_compile_action (".");
else
checkpoint_option = DEFAULT_CHECKPOINT;
break;
-
+
case CHECKPOINT_ACTION_OPTION:
checkpoint_compile_action (arg);
break;
-
+
case BACKUP_OPTION:
backup_option = true;
if (arg)
args->version_control_string = arg;
break;
-
+
case DELAY_DIRECTORY_RESTORE_OPTION:
delay_directory_restore_option = true;
break;
-
+
case NO_DELAY_DIRECTORY_RESTORE_OPTION:
delay_directory_restore_option = false;
break;
-
+
case DELETE_OPTION:
set_subcommand_option (DELETE_SUBCOMMAND);
break;
-
+
case EXCLUDE_BACKUPS_OPTION:
add_exclude_array (backup_file_table);
break;
-
+
case EXCLUDE_OPTION:
add_exclude (excluded, arg, MAKE_EXCL_OPTIONS (args));
break;
-
+
case EXCLUDE_CACHES_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_contents,
cachedir_file_p);
break;
-
+
case EXCLUDE_CACHES_UNDER_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_under,
cachedir_file_p);
break;
-
+
case EXCLUDE_CACHES_ALL_OPTION:
add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_all,
cachedir_file_p);
break;
-
+
case EXCLUDE_TAG_OPTION:
add_exclusion_tag (arg, exclusion_tag_contents, NULL);
break;
-
+
case EXCLUDE_TAG_UNDER_OPTION:
add_exclusion_tag (arg, exclusion_tag_under, NULL);
break;
-
+
case EXCLUDE_TAG_ALL_OPTION:
add_exclusion_tag (arg, exclusion_tag_all, NULL);
break;
-
+
case EXCLUDE_VCS_OPTION:
add_exclude_array (vcs_file_table);
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->matching_flags |= 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)))
_("Invalid group")));
}
break;
-
+
case MODE_OPTION:
mode_option = mode_compile (arg);
if (!mode_option)
initial_umask = umask (0);
umask (initial_umask);
break;
-
+
case NO_ANCHORED_OPTION:
args->include_anchored = 0; /* Clear the default for comman line args */
args->matching_flags &= ~ EXCLUDE_ANCHORED;
break;
-
+
case NO_IGNORE_CASE_OPTION:
args->matching_flags &= ~ 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_QUOTE_CHARS_OPTION:
for (;*arg; arg++)
set_char_quoting (NULL, *arg, 0);
break;
-
+
case NO_WILDCARDS_OPTION:
args->wildcards = disable_wildcards;
break;
-
+
case NO_WILDCARDS_MATCH_SLASH_OPTION:
args->matching_flags |= FNM_FILE_NAME;
break;
-
+
case NULL_OPTION:
filename_terminator = '\0';
break;
-
+
case NO_NULL_OPTION:
filename_terminator = '\n';
break;
-
+
case NUMERIC_OWNER_OPTION:
numeric_owner_option = true;
break;
-
+
case OCCURRENCE_OPTION:
if (!arg)
occurrence_option = 1;
_("Invalid number")));
}
break;
-
+
case OVERWRITE_DIR_OPTION:
old_files_option = DEFAULT_OLD_FILES;
break;
-
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
-
+
case OWNER_OPTION:
if (! (strlen (arg) < UNAME_FIELD_SIZE
&& uname_to_uid (arg, &owner_option)))
_("Invalid owner")));
}
break;
-
+
case QUOTE_CHARS_OPTION:
for (;*arg; arg++)
set_char_quoting (NULL, *arg, 1);
break;
-
+
case QUOTING_STYLE_OPTION:
tar_set_quoting_style (arg);
break;
-
+
case PAX_OPTION:
{
char *tmp = expand_pax_option (args, arg);
free (tmp);
}
break;
-
+
case POSIX_OPTION:
set_archive_format ("posix");
break;
-
+
case PRESERVE_OPTION:
/* FIXME: What it is good for? */
same_permissions_option = true;
WARN ((0, 0, _("The --preserve option is deprecated, "
"use --preserve-permissions --preserve-order instead")));
break;
-
+
case RECORD_SIZE_OPTION:
{
uintmax_t u;
- if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+
+ if (! (xstrtoumax (arg, NULL, 10, &u, TAR_SIZE_SUFFIXES) == LONGINT_OK
&& u == (size_t) u))
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid record size")));
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 RESTRICT_OPTION:
restrict_option = true;
break;
-
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
-
+
case RSH_COMMAND_OPTION:
rsh_command_option = arg;
break;
-
+
case SHOW_DEFAULTS_OPTION:
{
char *s = format_default_settings ();
free (s);
exit (0);
}
-
+
case STRIP_COMPONENTS_OPTION:
{
uintmax_t u;
case WARNING_OPTION:
set_warning_option (arg);
break;
-
+
case '0':
case '1':
case '2':
struct tar_args args;
argp_version_setup ("tar", tar_authors);
-
+
/* Set some default option values. */
args.textual_date = NULL;
args.wildcards = default_wildcards;
args.version_control_string = 0;
args.input_files = false;
args.compress_autodetect = false;
-
+
subcommand_option = UNKNOWN_SUBCOMMAND;
archive_format = DEFAULT_FORMAT;
blocking_factor = DEFAULT_BLOCKING;
incremental_level = -1;
seek_option = -1;
-
+
/* Convert old-style tar call by exploding option element and rearranging
options accordingly. */
if (incremental_level != -1 && !listed_incremental_option)
WARN ((0, 0,
_("--level is meaningless without --listed-incremental")));
-
+
if (volume_label_option)
{
if (archive_format == GNU_FORMAT || archive_format == OLDGNU_FORMAT)
if (recursive_unlink_option)
old_files_option = UNLINK_FIRST_OLD_FILES;
-
- if (test_label_option)
+ /* Flags for accessing files to be read from or copied into. POSIX says
+ O_NONBLOCK has unspecified effect on most types of files, but in
+ practice it never harms and sometimes helps. */
+ {
+ int base_open_flags =
+ (O_BINARY | O_CLOEXEC | O_NOCTTY | O_NONBLOCK
+ | (dereference_option ? 0 : O_NOFOLLOW)
+ | (atime_preserve_option == system_atime_preserve ? O_NOATIME : 0));
+ open_read_flags = O_RDONLY | base_open_flags;
+ open_searchdir_flags = O_SEARCH | O_DIRECTORY | base_open_flags;
+ }
+ fstatat_flags = dereference_option ? 0 : AT_SYMLINK_NOFOLLOW;
+
+ if (subcommand_option == TEST_LABEL_SUBCOMMAND)
{
/* --test-label is silent if the user has specified the label name to
compare against. */
if (same_order_option && listed_incremental_option)
USAGE_ERROR ((0, 0, _("--preserve-order is not compatible with "
"--listed-incremental")));
-
+
/* Forbid using -c with no input files whatsoever. Check that `-f -',
explicit or implied, is used correctly. */
_("Cowardly refusing to create an empty archive")));
if (args.compress_autodetect && archive_names
&& strcmp (archive_name_array[0], "-"))
- set_comression_program_by_suffix (archive_name_array[0],
- use_compress_program_option);
+ set_compression_program_by_suffix (archive_name_array[0],
+ use_compress_program_option);
break;
case EXTRACT_SUBCOMMAND:
case LIST_SUBCOMMAND:
case DIFF_SUBCOMMAND:
+ case TEST_LABEL_SUBCOMMAND:
for (archive_name_cursor = archive_name_array;
archive_name_cursor < archive_name_array + archive_names;
archive_name_cursor++)
}
checkpoint_finish_compile ();
-
+
report_textual_dates (&args);
}
obstack_init (&argv_stk);
- /* Ensure default behavior for some signals */
- signal (SIGPIPE, SIG_DFL);
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
/* Try to disable the ability to unlink a directory. */
priv_set_remove_linkdir ();
-
+
/* Decode options. */
decode_options (argc, argv);
{
case UNKNOWN_SUBCOMMAND:
USAGE_ERROR ((0, 0,
- _("You must specify one of the `-Acdtrux' options")));
+ _("You must specify one of the `-Acdtrux' or `--test-label' options")));
case CAT_SUBCOMMAND:
case UPDATE_SUBCOMMAND:
diff_init ();
read_and (diff_archive);
break;
+
+ case TEST_LABEL_SUBCOMMAND:
+ test_archive_label ();
}
if (totals_option)
memset (st, 0, sizeof (*st));
}
+/* Close the stream or file descriptor associated with ST, and remove
+ all traces of it from ST. Return true if successful, false (with a
+ diagnostic) otherwise. */
+bool
+tar_stat_close (struct tar_stat_info *st)
+{
+ int status = (st->dirstream ? closedir (st->dirstream)
+ : 0 < st->fd ? close (st->fd)
+ : 0);
+ st->dirstream = 0;
+ st->fd = 0;
+
+ if (status == 0)
+ return true;
+ else
+ {
+ close_diag (st->orig_file_name);
+ return false;
+ }
+}
+
void
tar_stat_destroy (struct tar_stat_info *st)
{
+ tar_stat_close (st);
free (st->orig_file_name);
free (st->file_name);
free (st->link_name);