/* The checksum field is filled with this while the checksum is computed. */
#define CHKBLANKS " " /* 8 blanks, no null */
+/* Old GNU stores zero-terminated file name */
+#define OLDGNU_NAME_FIELD_SIZE 99
+
/* Some constants from POSIX are given names. */
#define NAME_FIELD_SIZE 100
#define PREFIX_FIELD_SIZE 155
/* Some various global definitions. */
/* Name of file to use for interacting with user. */
-#if MSDOS
-# define TTY_NAME "con"
-#else
-# define TTY_NAME "/dev/tty"
-#endif
/* GLOBAL is defined to empty in tar.c only, and left alone in other *.c
modules. Here, we merely set it to "extern" if it is not already set.
#include <quote.h>
#include <safe-read.h>
#include <timespec.h>
+#define obstack_chunk_alloc xmalloc
+#define obstack_chunk_free free
+#include <obstack.h>
/* Log base 2 of common values. */
#define LG_8 3
/* Patterns that match file names to be excluded. */
GLOBAL struct exclude *excluded;
-/* Specified file containing names to work on. */
-GLOBAL const char *files_from_option;
-
-GLOBAL bool force_local_option;
+/* Exclude directories containing a cache directory tag. */
+GLOBAL bool exclude_caches_option;
/* Specified value to be put into tar file in place of stat () results, or
just -1 if such an override should not take place. */
GLOBAL bool touch_option;
+GLOBAL char *to_command_option;
+GLOBAL bool ignore_command_error_option;
+
+/* Return true if the extracted files are not being written to disk */
+#define EXTRACT_OVER_PIPE (to_stdout_option || to_command_option)
+
/* Count how many times the option has been set, multiple setting yields
more verbose behavior. Value 0 means no verbosity, 1 means file name
only, 2 means file name and all attributes. More than 2 is just like 2. */
GLOBAL bool seekable_archive;
+GLOBAL dev_t root_device;
+
+/* Unquote filenames */
+GLOBAL bool unquote_option;
\f
/* Declarations for each module. */
void archive_write_error (ssize_t) __attribute__ ((noreturn));
void archive_read_error (void);
off_t seek_archive (off_t size);
+void set_start_time (void);
/* Module create.c. */
char *get_directory_contents (char *, dev_t);
void read_directory_file (void);
void write_directory_file (void);
-void gnu_restore (char const *);
+void purge_directory (char const *);
/* Module list.c. */
void print_header (struct tar_stat_info *, off_t);
void read_and (void (*) (void));
enum read_header read_header (bool);
+enum read_header tar_checksum (union block *header, bool silent);
void skip_file (off_t);
void skip_member (void);
{
ORDINARY_REMOVE_OPTION,
RECURSIVE_REMOVE_OPTION,
- WANT_DIRECTORY_REMOVE_OPTION
+
+ /* FIXME: The following value is never used. It seems to be intended
+ as a placeholder for a hypothetical option that should instruct tar
+ to recursively remove subdirectories in purge_directory(),
+ as opposed to the functionality of --recursive-unlink
+ (RECURSIVE_REMOVE_OPTION value), which removes them in
+ prepare_to_extract() phase. However, with the addition of more
+ 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);
void seek_warn (char const *);
void seek_warn_details (char const *, off_t);
void seek_diag_details (char const *, off_t);
+void stat_fatal (char const *);
void stat_error (char const *);
void stat_warn (char const *);
void stat_diag (char const *name);
pid_t xfork (void);
void xpipe (int[2]);
+void *page_aligned_alloc (void **, size_t);
+
/* Module names.c. */
extern struct name *gnu_list_name;
void name_init (void);
void name_term (void);
char *name_next (int);
-void name_close (void);
void name_gather (void);
struct name *addname (char const *, int);
int name_match (const char *);
void add_avoided_name (char const *);
bool is_avoided_name (char const *);
+bool is_individual_file (char const *);
bool contains_dot_dot (char const *);
+bool removed_prefixes_p (void);
+
#define ISFOUND(c) ((occurrence_option == 0) ? (c)->found_count : \
(c)->found_count == occurrence_option)
#define WASFOUND(c) ((occurrence_option == 0) ? (c)->found_count : \
bool sys_file_is_archive (struct tar_stat_info *p);
bool sys_compare_links (struct stat *link_data, struct stat *stat_data);
int sys_truncate (int fd);
-void sys_reset_uid_gid (void);
pid_t sys_child_open_for_compress (void);
pid_t sys_child_open_for_uncompress (void);
-void sys_reset_uid_gid (void);
size_t sys_write_archive_buffer (void);
bool sys_get_archive_stat (void);
-void sys_reset_uid_gid (void);
+int sys_exec_command (char *file_name, int typechar, struct tar_stat_info *st);
+void sys_wait_command (void);
/* Module compare.c */
void report_difference (struct tar_stat_info *st, const char *message, ...);