/* Common declarations for the tar program.
- Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001,
- 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright 1988, 1992-1994, 1996-1997, 1999-2010, 2012-2014 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 the
- Free Software Foundation; either version 2, or (at your option) any later
- version.
+ This file is part of GNU tar.
- 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.
+ GNU tar 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 3 of the License, or
+ (at your option) any later version.
- 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.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ GNU tar 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, see <http://www.gnu.org/licenses/>. */
/* Declare the GNU tar archive format. */
#include "tar.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
#include <obstack.h>
+#include <progname.h>
+#include <xvasprintf.h>
#include <paxlib.h>
#define LG_8 3
#define LG_64 6
#define LG_256 8
+
+_GL_INLINE_HEADER_BEGIN
+#ifndef COMMON_INLINE
+# define COMMON_INLINE _GL_INLINE
+#endif
\f
/* Information gleaned from the command line. */
-/* Name of this program. */
-GLOBAL const char *program_name;
-
/* Main command option. */
enum subcommand
DIFF_SUBCOMMAND, /* -d */
EXTRACT_SUBCOMMAND, /* -x */
LIST_SUBCOMMAND, /* -t */
- UPDATE_SUBCOMMAND /* -u */
+ UPDATE_SUBCOMMAND, /* -u */
+ TEST_LABEL_SUBCOMMAND, /* --test-label */
};
GLOBAL enum subcommand subcommand_option;
/* Selected format for output archive. */
GLOBAL enum archive_format archive_format;
-/* Either NL or NUL, as decided by the --null option. */
-GLOBAL char filename_terminator;
-
/* Size of each record, once in blocks, once in bytes. Those two variables
are always related, the second being BLOCKSIZE times the first. They do
not have _option in their name, even if their values is derived from
/* Display file times in UTC */
GLOBAL bool utc_option;
+/* Output file timestamps to the full resolution */
+GLOBAL bool full_time_option;
/* This variable tells how to interpret newer_mtime_option, below. If zero,
files get archived if their mtime is not less than newer_mtime_option.
GLOBAL bool block_number_option;
-GLOBAL bool checkpoint_option;
+GLOBAL unsigned checkpoint_option;
+#define DEFAULT_CHECKPOINT 10
/* Specified name of compression program, or "gzip" as implied by -z. */
GLOBAL const char *use_compress_program_option;
GLOBAL bool dereference_option;
-
-/* Print a message if not all links are dumped */
-GLOBAL int check_links_option;
+GLOBAL bool hard_dereference_option;
/* Patterns that match file names to be excluded. */
GLOBAL struct exclude *excluded;
-/* Exclude directories containing a cache directory tag. */
-GLOBAL bool exclude_caches_option;
+enum exclusion_tag_type
+ {
+ exclusion_tag_none,
+ /* Exclude the directory contents, but preserve the directory
+ itself and the exclusion tag file */
+ exclusion_tag_contents,
+ /* Exclude everything below the directory, preserving the directory
+ itself */
+ exclusion_tag_under,
+ /* Exclude entire directory */
+ exclusion_tag_all,
+ };
/* Specified value to be put into tar file in place of stat () results, or
- just -1 if such an override should not take place. */
+ just null and -1 if such an override should not take place. */
+GLOBAL char const *group_name_option;
GLOBAL gid_t group_option;
GLOBAL bool ignore_failed_read_option;
OVERWRITE_OLD_FILES, /* --overwrite */
UNLINK_FIRST_OLD_FILES, /* --unlink-first */
KEEP_OLD_FILES, /* --keep-old-files */
+ SKIP_OLD_FILES, /* --skip-old-files */
KEEP_NEWER_FILES /* --keep-newer-files */
};
GLOBAL enum old_files old_files_option;
+GLOBAL bool keep_directory_symlink_option;
+
/* Specified file name for incremental list. */
GLOBAL const char *listed_incremental_option;
+/* Incremental dump level */
+GLOBAL int incremental_level;
+/* Check device numbers when doing incremental dumps. */
+GLOBAL bool check_device_option;
/* Specified mode change string. */
GLOBAL struct mode_change *mode_option;
do not get archived (also see after_date_option above). */
GLOBAL struct timespec newer_mtime_option;
+/* If true, override actual mtime (see below) */
+GLOBAL bool set_mtime_option;
+/* Value to be put in mtime header field instead of the actual mtime */
+GLOBAL struct timespec mtime_option;
+
/* Return true if newer_mtime_option is initialized. */
#define NEWER_OPTION_INITIALIZED(opt) (0 <= (opt).tv_nsec)
GLOBAL bool one_file_system_option;
+/* Create a top-level directory for extracting based on the archive name. */
+GLOBAL bool one_top_level_option;
+GLOBAL char *one_top_level_dir;
+
/* Specified value to be put into tar file in place of stat () results, or
- just -1 if such an override should not take place. */
+ just null and -1 if such an override should not take place. */
+GLOBAL char const *owner_name_option;
GLOBAL uid_t owner_option;
GLOBAL bool recursive_unlink_option;
GLOBAL bool remove_files_option;
-/* Specified rmt command. */
-GLOBAL const char *rmt_command_option;
-
/* Specified remote shell command. */
GLOBAL const char *rsh_command_option;
/* If positive, preserve permissions when extracting. */
GLOBAL int same_permissions_option;
+/* If positive, save the SELinux context. */
+GLOBAL int selinux_context_option;
+
+/* If positive, save the ACLs. */
+GLOBAL int acls_option;
+
+/* If positive, save the user and root xattrs. */
+GLOBAL int xattrs_option;
+
/* When set, strip the given number of file name components from the file name
before extracting */
GLOBAL size_t strip_name_components;
GLOBAL bool show_omitted_dirs_option;
GLOBAL bool sparse_option;
+GLOBAL unsigned tar_sparse_major;
+GLOBAL unsigned tar_sparse_minor;
GLOBAL bool starting_file_option;
/* Nonzero when outputting to /dev/null. */
GLOBAL bool dev_null_output;
-/* Timestamp for when we started execution. */
-GLOBAL struct timespec start_time;
+/* Timestamps: */
+GLOBAL struct timespec start_time; /* when we started execution */
+GLOBAL struct timespec volume_start_time; /* when the current volume was
+ opened*/
+GLOBAL struct timespec last_stat_time; /* when the statistics was last
+ computed */
GLOBAL struct tar_stat_info current_stat_info;
-/* List of tape drive names, number of such tape drives, allocated number,
+/* List of tape drive names, number of such tape drives,
and current cursor in list. */
GLOBAL const char **archive_name_array;
-GLOBAL int archive_names;
-GLOBAL int allocated_archive_names;
+GLOBAL size_t archive_names;
GLOBAL const char **archive_name_cursor;
/* Output index file name. */
GLOBAL char const *index_file_name;
+/* Opaque structure for keeping directory meta-data */
+struct directory;
+
/* Structure for keeping track of filenames and lists thereof. */
struct name
{
- struct name *next;
- size_t length; /* cached strlen(name) */
+ struct name *next; /* Link to the next element */
+ struct name *prev; /* Link to the previous element */
+
+ char *name; /* File name or globbing pattern */
+ size_t length; /* cached strlen (name) */
+ int matching_flags; /* wildcard flags if name is a pattern */
+ bool cmdline; /* true if this name was given in the
+ command line */
+
+ int change_dir; /* Number of the directory to change to.
+ Set with the -C option. */
uintmax_t found_count; /* number of times a matching file has
been found */
- int explicit; /* was explicitely given in the command line */
- char firstch; /* first char is literally matched */
- char regexp; /* this name is a regexp, not literal */
- int change_dir; /* set with the -C option */
- char const *dir_contents; /* for incremental_option */
- char fake; /* dummy entry */
- char name[1];
+
+ /* The following members are used for incremental dumps only,
+ if this struct name represents a directory;
+ see incremen.c */
+ struct directory *directory;/* directory meta-data and contents */
+ struct name *parent; /* pointer to the parent hierarchy */
+ struct name *child; /* pointer to the first child */
+ struct name *sibling; /* pointer to the next sibling */
+ char *caname; /* canonical name */
};
/* Obnoxious test to see if dimwit is trying to dump the archive. */
GLOBAL dev_t ar_dev;
GLOBAL ino_t ar_ino;
+/* Flags for reading, searching, and fstatatting files. */
+GLOBAL int open_read_flags;
+GLOBAL int open_searchdir_flags;
+GLOBAL int fstatat_flags;
+
+GLOBAL int seek_option;
GLOBAL bool seekable_archive;
GLOBAL dev_t root_device;
/* Unquote filenames */
GLOBAL bool unquote_option;
-GLOBAL bool test_label_option; /* Test archive volume label and exit */
-
-/* When creating archive in verbose mode, list member names as stored in the
- archive */
-GLOBAL bool show_stored_names_option;
+/* Show file or archive names after transformation.
+ In particular, when creating archive in verbose mode, list member names
+ as stored in the archive */
+GLOBAL bool show_transformed_names_option;
/* Delay setting modification times and permissions of extracted directories
until the end of extraction. This variable helps correctly restore directory
set for incremental archives. */
GLOBAL bool delay_directory_restore_option;
+/* Warn about implicit use of the wildcards in command line arguments.
+ (Default for tar prior to 1.15.91, but changed afterwards */
+GLOBAL bool warn_regex_usage;
\f
/* Declarations for each module. */
extern FILE *stdlis;
extern bool write_archive_to_stdout;
extern char *volume_label;
+extern size_t volume_label_count;
extern char *continued_file_name;
extern uintmax_t continued_file_size;
extern uintmax_t continued_file_offset;
+extern off_t records_written;
-size_t available_space_after (union block *);
+char *drop_volume_label_suffix (const char *label);
+
+size_t available_space_after (union block *pointer);
off_t current_block_ordinal (void);
void close_archive (void);
void closeout_volume_number (void);
+double compute_duration (void);
union block *find_next_block (void);
void flush_read (void);
void flush_write (void);
void flush_archive (void);
void init_volume_number (void);
-void open_archive (enum access_mode);
-void print_total_written (void);
+void open_archive (enum access_mode mode);
+void print_total_stats (void);
void reset_eof (void);
-void set_next_block_after (union block *);
+void set_next_block_after (union block *block);
void clear_read_error_count (void);
void xclose (int fd);
-void archive_write_error (ssize_t) __attribute__ ((noreturn));
+void archive_write_error (ssize_t status) __attribute__ ((noreturn));
void archive_read_error (void);
off_t seek_archive (off_t size);
void set_start_time (void);
-void mv_begin (struct tar_stat_info *st);
+#define TF_READ 0
+#define TF_WRITE 1
+#define TF_DELETED 2
+int format_total_stats (FILE *fp, const char **formats, int eor, int eol);
+void print_total_stats (void);
+
+void mv_begin_write (const char *file_name, off_t totsize, off_t sizeleft);
+
+void mv_begin_read (struct tar_stat_info *st);
void mv_end (void);
-void mv_total_size (off_t size);
void mv_size_left (off_t size);
+void buffer_write_global_xheader (void);
+
+const char *first_decompress_program (int *pstate);
+const char *next_decompress_program (int *pstate);
/* Module create.c. */
dump_status_not_implemented
};
-bool file_dumpable_p (struct tar_stat_info *);
+void add_exclusion_tag (const char *name, enum exclusion_tag_type type,
+ bool (*predicate) (int));
+bool cachedir_file_p (int fd);
+char *get_directory_entries (struct tar_stat_info *st);
+
void create_archive (void);
void pad_archive (off_t size_left);
-void dump_file (char *, int, dev_t);
+void dump_file (struct tar_stat_info *parent, char const *name,
+ char const *fullname);
union block *start_header (struct tar_stat_info *st);
-void finish_header (struct tar_stat_info *, union block *, off_t);
+void finish_header (struct tar_stat_info *st, union block *header,
+ off_t block_ordinal);
void simple_finish_header (union block *header);
union block * write_extended (bool global, struct tar_stat_info *st,
union block *old_header);
-union block *start_private_header (const char *name, size_t size);
+union block *start_private_header (const char *name, size_t size, time_t t);
void write_eot (void);
void check_links (void);
+int subfile_open (struct tar_stat_info const *dir, char const *file, int flags);
+void restore_parent_fd (struct tar_stat_info const *st);
+void exclusion_tag_warning (const char *dirname, const char *tagname,
+ const char *message);
+enum exclusion_tag_type check_exclusion_tags (struct tar_stat_info const *st,
+ const char **tag_file_name);
-#define GID_TO_CHARS(val, where) gid_to_chars (val, where, sizeof (where))
-#define MAJOR_TO_CHARS(val, where) major_to_chars (val, where, sizeof (where))
-#define MINOR_TO_CHARS(val, where) minor_to_chars (val, where, sizeof (where))
-#define MODE_TO_CHARS(val, where) mode_to_chars (val, where, sizeof (where))
#define OFF_TO_CHARS(val, where) off_to_chars (val, where, sizeof (where))
-#define SIZE_TO_CHARS(val, where) size_to_chars (val, where, sizeof (where))
#define TIME_TO_CHARS(val, where) time_to_chars (val, where, sizeof (where))
-#define UID_TO_CHARS(val, where) uid_to_chars (val, where, sizeof (where))
-#define UINTMAX_TO_CHARS(val, where) uintmax_to_chars (val, where, sizeof (where))
-#define UNAME_TO_CHARS(name,buf) string_to_chars (name, buf, sizeof(buf))
-#define GNAME_TO_CHARS(name,buf) string_to_chars (name, buf, sizeof(buf))
-
-bool gid_to_chars (gid_t, char *, size_t);
-bool major_to_chars (major_t, char *, size_t);
-bool minor_to_chars (minor_t, char *, size_t);
-bool mode_to_chars (mode_t, char *, size_t);
-bool off_to_chars (off_t, char *, size_t);
-bool size_to_chars (size_t, char *, size_t);
-bool time_to_chars (time_t, char *, size_t);
-bool uid_to_chars (uid_t, char *, size_t);
-bool uintmax_to_chars (uintmax_t, char *, size_t);
-void string_to_chars (char const *, char *, size_t);
+
+bool off_to_chars (off_t off, char *buf, size_t size);
+bool time_to_chars (time_t t, char *buf, size_t size);
/* Module diffarch.c. */
/* Module incremen.c. */
-char *get_directory_contents (char *, dev_t);
-const char *append_incremental_renames (const char *dump);
+struct directory *scan_directory (struct tar_stat_info *st);
+const char *directory_contents (struct directory *dir);
+const char *safe_directory_contents (struct directory *dir);
+
+void rebase_directory (struct directory *dir,
+ const char *samp, size_t slen,
+ const char *repl, size_t rlen);
+
+void append_incremental_renames (struct directory *dir);
+void show_snapshot_field_ranges (void);
void read_directory_file (void);
void write_directory_file (void);
-void purge_directory (char const *);
+void purge_directory (char const *directory_name);
void list_dumpdir (char *buffer, size_t size);
-void update_parent_directory (const char *name);
+void update_parent_directory (struct tar_stat_info *st);
size_t dumpdir_size (const char *p);
bool is_dumpdir (struct tar_stat_info *stat_info);
+void clear_directory_table (void);
/* Module list.c. */
HEADER_FAILURE /* ill-formed header, or bad checksum */
};
-struct xheader
+/* Operation mode for read_header: */
+
+enum read_header_mode
{
- struct obstack *stk;
- size_t size;
- char *buffer;
+ read_header_auto, /* process extended headers automatically */
+ read_header_x_raw, /* return raw extended headers (return
+ HEADER_SUCCESS_EXTENDED) */
+ read_header_x_global /* when POSIX global extended header is read,
+ decode it and return
+ HEADER_SUCCESS_EXTENDED */
};
-
-GLOBAL struct xheader extended_header;
extern union block *current_header;
extern enum archive_format current_format;
extern size_t recent_long_name_blocks;
extern size_t recent_long_link_blocks;
-void decode_header (union block *, struct tar_stat_info *,
- enum archive_format *, int);
-char const *tartime (struct timespec, bool);
+void decode_header (union block *header, struct tar_stat_info *stat_info,
+ enum archive_format *format_pointer, int do_user_group);
+void transform_stat_info (int typeflag, struct tar_stat_info *stat_info);
+char const *tartime (struct timespec t, bool full_time);
-#define GID_FROM_HEADER(where) gid_from_header (where, sizeof (where))
-#define MAJOR_FROM_HEADER(where) major_from_header (where, sizeof (where))
-#define MINOR_FROM_HEADER(where) minor_from_header (where, sizeof (where))
-#define MODE_FROM_HEADER(where) mode_from_header (where, sizeof (where))
#define OFF_FROM_HEADER(where) off_from_header (where, sizeof (where))
-#define SIZE_FROM_HEADER(where) size_from_header (where, sizeof (where))
-#define TIME_FROM_HEADER(where) time_from_header (where, sizeof (where))
-#define UID_FROM_HEADER(where) uid_from_header (where, sizeof (where))
#define UINTMAX_FROM_HEADER(where) uintmax_from_header (where, sizeof (where))
-gid_t gid_from_header (const char *, size_t);
-major_t major_from_header (const char *, size_t);
-minor_t minor_from_header (const char *, size_t);
-mode_t mode_from_header (const char *, size_t);
-off_t off_from_header (const char *, size_t);
-size_t size_from_header (const char *, size_t);
-time_t time_from_header (const char *, size_t);
-uid_t uid_from_header (const char *, size_t);
-uintmax_t uintmax_from_header (const char *, size_t);
+off_t off_from_header (const char *buf, size_t size);
+uintmax_t uintmax_from_header (const char *buf, size_t size);
void list_archive (void);
-void print_for_mkdir (char *, int, mode_t);
-void print_header (struct tar_stat_info *, off_t);
-void read_and (void (*) (void));
-enum read_header read_header (bool);
+void test_archive_label (void);
+void print_for_mkdir (char *dirname, int length, mode_t mode);
+void print_header (struct tar_stat_info *st, union block *blk,
+ off_t block_ordinal);
+void read_and (void (*do_something) (void));
+enum read_header read_header (union block **return_block,
+ struct tar_stat_info *info,
+ enum read_header_mode m);
enum read_header tar_checksum (union block *header, bool silent);
-void skip_file (off_t);
+void skip_file (off_t size);
void skip_member (void);
-/* Module mangle.c. */
-
-void extract_mangle (void);
-
/* Module misc.c. */
-void assign_string (char **, const char *);
-char *quote_copy_string (const char *);
-int unquote_string (char *);
-
-void code_ns_fraction (int, char *);
-char const *code_timespec (struct timespec, char *);
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#define max(a, b) ((a) < (b) ? (b) : (a))
+void assign_string (char **dest, const char *src);
+int unquote_string (char *str);
+char *zap_slashes (char *name);
+char *normalize_filename (int cdidx, const char *name);
+void normalize_filename_x (char *name);
+void replace_prefix (char **pname, const char *samp, size_t slen,
+ const char *repl, size_t rlen);
+char *tar_savedir (const char *name, int must_exist);
+
+typedef struct namebuf *namebuf_t;
+namebuf_t namebuf_create (const char *dir);
+void namebuf_free (namebuf_t buf);
+char *namebuf_name (namebuf_t buf, const char *name);
+void namebuf_add_dir (namebuf_t buf, const char *name);
+char *namebuf_finish (namebuf_t buf);
+
+const char *tar_dirname (void);
+
+/* Represent N using a signed integer I such that (uintmax_t) I == N.
+ With a good optimizing compiler, this is equivalent to (intmax_t) i
+ and requires zero machine instructions. */
+#if ! (UINTMAX_MAX / 2 <= INTMAX_MAX)
+# error "represent_uintmax returns intmax_t to represent uintmax_t"
+#endif
+COMMON_INLINE intmax_t
+represent_uintmax (uintmax_t n)
+{
+ if (n <= INTMAX_MAX)
+ return n;
+ else
+ {
+ /* Avoid signed integer overflow on picky platforms. */
+ intmax_t nd = n - INTMAX_MIN;
+ return nd + INTMAX_MIN;
+ }
+}
+
+enum { SYSINT_BUFSIZE =
+ max (UINTMAX_STRSIZE_BOUND, INT_BUFSIZE_BOUND (intmax_t)) };
+char *sysinttostr (uintmax_t, intmax_t, uintmax_t, char buf[SYSINT_BUFSIZE]);
+intmax_t strtosysint (char const *, char **, intmax_t, uintmax_t);
+void code_ns_fraction (int ns, char *p);
+char const *code_timespec (struct timespec ts, char *sbuf);
enum { BILLION = 1000000000, LOG10_BILLION = 9 };
enum { TIMESPEC_STRSIZE_BOUND =
UINTMAX_STRSIZE_BOUND + LOG10_BILLION + sizeof "-." - 1 };
+struct timespec decode_timespec (char const *, char **, bool);
+
+/* Return true if T does not represent an out-of-range or invalid value. */
+COMMON_INLINE bool
+valid_timespec (struct timespec t)
+{
+ return 0 <= t.tv_nsec;
+}
-size_t dot_dot_prefix_len (char const *);
+bool must_be_dot_or_slash (char const *);
enum remove_option
{
meta-info to the incremental dumps, this should become unnecessary */
WANT_DIRECTORY_REMOVE_OPTION
};
-int remove_any_file (const char *, enum remove_option);
-bool maybe_backup_file (const char *, int);
+int remove_any_file (const char *file_name, enum remove_option option);
+bool maybe_backup_file (const char *file_name, bool this_is_the_archive);
void undo_last_backup (void);
-int deref_stat (bool, char const *, struct stat *);
+int deref_stat (char const *name, struct stat *buf);
+
+size_t blocking_read (int fd, void *buf, size_t count);
+size_t blocking_write (int fd, void const *buf, size_t count);
-int chdir_arg (char const *);
-void chdir_do (int);
+extern int chdir_current;
+extern int chdir_fd;
+int chdir_arg (char const *dir);
+void chdir_do (int dir);
+int chdir_count (void);
void close_diag (char const *name);
void open_diag (char const *name);
void read_diag_details (char const *name, off_t offset, size_t size);
void readlink_diag (char const *name);
void savedir_diag (char const *name);
-void seek_diag_details (char const *, off_t);
+void seek_diag_details (char const *name, off_t offset);
void stat_diag (char const *name);
-void write_error_details (char const *, size_t, size_t);
-void write_fatal (char const *) __attribute__ ((noreturn));
-void write_fatal_details (char const *, ssize_t, size_t)
+void file_removed_diag (const char *name, bool top_level,
+ void (*diagfn) (char const *name));
+void write_error_details (char const *name, size_t status, size_t size);
+void write_fatal (char const *name) __attribute__ ((noreturn));
+void write_fatal_details (char const *name, ssize_t status, size_t size)
__attribute__ ((noreturn));
pid_t xfork (void);
-void xpipe (int[2]);
+void xpipe (int fd[2]);
-void *page_aligned_alloc (void **, size_t);
-int set_file_atime (int fd, char const *file,
- struct timespec const timespec[2]);
+void *page_aligned_alloc (void **ptr, size_t size);
+int set_file_atime (int fd, int parentfd, char const *file,
+ struct timespec atime);
/* Module names.c. */
+extern size_t name_count;
extern struct name *gnu_list_name;
-void gid_to_gname (gid_t, char **gname);
-int gname_to_gid (char const *, gid_t *);
-void uid_to_uname (uid_t, char **uname);
-int uname_to_uid (char const *, uid_t *);
+void gid_to_gname (gid_t gid, char **gname);
+int gname_to_gid (char const *gname, gid_t *pgid);
+void uid_to_uname (uid_t uid, char **uname);
+int uname_to_uid (char const *uname, uid_t *puid);
-void init_names (void);
-void name_add (const char *);
void name_init (void);
+void name_add_name (const char *name, int matching_flags);
+void name_add_dir (const char *name);
+void name_add_file (const char *name, int term);
void name_term (void);
-char *name_next (int);
+const char *name_next (int change_dirs);
void name_gather (void);
-struct name *addname (char const *, int);
-int name_match (const char *);
+struct name *addname (char const *string, int change_dir,
+ bool cmdline, struct name *parent);
+void remname (struct name *name);
+bool name_match (const char *name);
void names_notfound (void);
+void label_notfound (void);
void collect_and_sort_names (void);
-struct name *name_scan (const char *, bool);
-char *name_from_list (void);
+struct name *name_scan (const char *name);
+struct name const *name_from_list (void);
void blank_name_list (void);
-char *new_name (const char *, const char *);
+char *new_name (const char *dir_name, const char *name);
size_t stripped_prefix_len (char const *file_name, size_t num);
-bool all_names_found (struct tar_stat_info *);
+bool all_names_found (struct tar_stat_info *st);
-bool excluded_name (char const *);
+bool excluded_name (char const *name);
-void add_avoided_name (char const *);
-bool is_avoided_name (char const *);
-bool is_individual_file (char const *);
+void add_avoided_name (char const *name);
+bool is_avoided_name (char const *name);
-bool contains_dot_dot (char const *);
+bool contains_dot_dot (char const *name);
#define ISFOUND(c) ((occurrence_option == 0) ? (c)->found_count : \
(c)->found_count == occurrence_option)
void usage (int);
-int confirm (const char *, const char *);
-void request_stdin (const char *);
+int confirm (const char *message_action, const char *name);
void tar_stat_init (struct tar_stat_info *st);
+bool tar_stat_close (struct tar_stat_info *st);
void tar_stat_destroy (struct tar_stat_info *st);
void usage (int) __attribute__ ((noreturn));
int tar_timespec_cmp (struct timespec a, struct timespec b);
const char *archive_format_string (enum archive_format fmt);
const char *subcommand_string (enum subcommand c);
+void set_exit_status (int val);
+
+void request_stdin (const char *option);
+void more_options (int argc, char **argv);
/* Module update.c. */
void update_archive (void);
+/* Module attrs.c. */
+#include "xattrs.h"
+
/* Module xheader.c. */
-void xheader_decode (struct tar_stat_info *);
-void xheader_decode_global (void);
-void xheader_store (char const *, struct tar_stat_info const *, void const *);
-void xheader_read (union block *, size_t);
-void xheader_write (char type, char *name, struct xheader *xhdr);
-void xheader_write_global (void);
-void xheader_finish (struct xheader *);
-void xheader_destroy (struct xheader *);
+void xheader_decode (struct tar_stat_info *stat);
+void xheader_decode_global (struct xheader *xhdr);
+void xheader_store (char const *keyword, struct tar_stat_info *st,
+ void const *data);
+void xheader_read (struct xheader *xhdr, union block *header, off_t size);
+void xheader_write (char type, char *name, time_t t, struct xheader *xhdr);
+void xheader_write_global (struct xheader *xhdr);
+void xheader_finish (struct xheader *hdr);
+void xheader_destroy (struct xheader *hdr);
char *xheader_xhdr_name (struct tar_stat_info *st);
char *xheader_ghdr_name (void);
-void xheader_write (char, char *, struct xheader *);
-void xheader_write_global (void);
void xheader_set_option (char *string);
-void xheader_string_begin (void);
-void xheader_string_add (char const *s);
-void xheader_string_end (char const *keyword);
+void xheader_string_begin (struct xheader *xhdr);
+void xheader_string_add (struct xheader *xhdr, char const *s);
+bool xheader_string_end (struct xheader *xhdr, char const *keyword);
bool xheader_keyword_deleted_p (const char *kw);
char *xheader_format_name (struct tar_stat_info *st, const char *fmt,
size_t n);
+void xheader_xattr_init (struct tar_stat_info *st);
+void xheader_xattr_free (struct xattr_array *vals, size_t sz);
+void xheader_xattr_copy (const struct tar_stat_info *st,
+ struct xattr_array **vals, size_t *sz);
+void xheader_xattr_add (struct tar_stat_info *st,
+ const char *key, const char *val, size_t len);
/* Module system.c */
void sys_detect_dev_null_output (void);
void sys_save_archive_dev_ino (void);
-void sys_drain_input_pipe (void);
-void sys_wait_for_child (pid_t);
+void sys_wait_for_child (pid_t, bool);
void sys_spawn_shell (void);
bool sys_compare_uid (struct stat *a, struct stat *b);
bool sys_compare_gid (struct stat *a, struct stat *b);
int sys_exec_command (char *file_name, int typechar, struct tar_stat_info *st);
void sys_wait_command (void);
int sys_exec_info_script (const char **archive_name, int volume_number);
+void sys_exec_checkpoint_script (const char *script_name,
+ const char *archive_name,
+ int checkpoint_number);
/* Module compare.c */
-void report_difference (struct tar_stat_info *st, const char *message, ...);
+void report_difference (struct tar_stat_info *st, const char *message, ...)
+ __attribute__ ((format (printf, 2, 3)));
/* Module sparse.c */
-bool sparse_file_p (struct tar_stat_info *);
-bool sparse_member_p (struct tar_stat_info *);
-bool sparse_fixup_header (struct tar_stat_info *);
-enum dump_status sparse_dump_file (int, struct tar_stat_info *);
-enum dump_status sparse_extract_file (int, struct tar_stat_info *, off_t *);
-enum dump_status sparse_skip_file (struct tar_stat_info *);
-bool sparse_diff_file (int, struct tar_stat_info *);
+bool sparse_member_p (struct tar_stat_info *st);
+bool sparse_fixup_header (struct tar_stat_info *st);
+enum dump_status sparse_dump_file (int, struct tar_stat_info *st);
+enum dump_status sparse_extract_file (int fd, struct tar_stat_info *st,
+ off_t *size);
+enum dump_status sparse_skip_file (struct tar_stat_info *st);
+bool sparse_diff_file (int, struct tar_stat_info *st);
/* Module utf8.c */
bool string_ascii_p (const char *str);
bool utf8_convert (bool to_utf, char const *input, char **output);
+
+/* Module transform.c */
+#define XFORM_REGFILE 0x01
+#define XFORM_LINK 0x02
+#define XFORM_SYMLINK 0x04
+#define XFORM_ALL (XFORM_REGFILE|XFORM_LINK|XFORM_SYMLINK)
+
+void set_transform_expr (const char *expr);
+bool transform_name (char **pinput, int type);
+bool transform_name_fp (char **pinput, int type,
+ char *(*fun)(char *, void *), void *);
+bool transform_program_p (void);
+
+/* Module suffix.c */
+void set_compression_program_by_suffix (const char *name, const char *defprog);
+char *strip_compression_suffix (const char *name);
+
+/* Module checkpoint.c */
+void checkpoint_compile_action (const char *str);
+void checkpoint_finish_compile (void);
+void checkpoint_run (bool do_write);
+void checkpoint_finish (void);
+void checkpoint_flush_actions (void);
+
+/* Module warning.c */
+#define WARN_ALONE_ZERO_BLOCK 0x00000001
+#define WARN_BAD_DUMPDIR 0x00000002
+#define WARN_CACHEDIR 0x00000004
+#define WARN_CONTIGUOUS_CAST 0x00000008
+#define WARN_FILE_CHANGED 0x00000010
+#define WARN_FILE_IGNORED 0x00000020
+#define WARN_FILE_REMOVED 0x00000040
+#define WARN_FILE_SHRANK 0x00000080
+#define WARN_FILE_UNCHANGED 0x00000100
+#define WARN_FILENAME_WITH_NULS 0x00000200
+#define WARN_IGNORE_ARCHIVE 0x00000400
+#define WARN_IGNORE_NEWER 0x00000800
+#define WARN_NEW_DIRECTORY 0x00001000
+#define WARN_RENAME_DIRECTORY 0x00002000
+#define WARN_SYMLINK_CAST 0x00004000
+#define WARN_TIMESTAMP 0x00008000
+#define WARN_UNKNOWN_CAST 0x00010000
+#define WARN_UNKNOWN_KEYWORD 0x00020000
+#define WARN_XDEV 0x00040000
+#define WARN_DECOMPRESS_PROGRAM 0x00080000
+#define WARN_EXISTING_FILE 0x00100000
+#define WARN_XATTR_WRITE 0x00200000
+#define WARN_RECORD_SIZE 0x00400000
+
+/* These warnings are enabled by default in verbose mode: */
+#define WARN_VERBOSE_WARNINGS (WARN_RENAME_DIRECTORY|WARN_NEW_DIRECTORY|\
+ WARN_DECOMPRESS_PROGRAM|WARN_EXISTING_FILE|\
+ WARN_RECORD_SIZE)
+#define WARN_ALL (~WARN_VERBOSE_WARNINGS)
+
+void set_warning_option (const char *arg);
+
+extern int warning_option;
+
+#define WARNOPT(opt,args) \
+ do \
+ { \
+ if (warning_option & opt) WARN (args); \
+ } \
+ while (0)
+
+/* Module unlink.c */
+
+void queue_deferred_unlink (const char *name, bool is_dir);
+void finish_deferred_unlinks (void);
+
+/* Module exit.c */
+extern void (*fatal_exit_hook) (void);
+
+_GL_INLINE_HEADER_END
projects / chaz / tar / blobdiff