/* GNU tar Archive Format description.
Copyright (C) 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2000, 2001, 2003, 2004, 2005, 2006, 2007 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
+ Free Software Foundation; either version 3, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but
'A' Solaris Access Control List
'E' Solaris Extended Attribute File
'I' Inode only, as in 'star'
+ 'N' Obsolete GNU tar, for file names that do not fit into the main header.
'X' POSIX 1003.1-2001 eXtended (VU version) */
/* This is a dir entry that contains the names of files that were in the
/* This is the continuation of a file that began on another volume. */
#define GNUTYPE_MULTIVOL 'M'
-/* For storing filenames that do not fit into the main header. */
-#define GNUTYPE_NAMES 'N'
-
/* This is for sparse files. */
#define GNUTYPE_SPARSE 'S'
/* Solaris extended header */
#define SOLARIS_XHDTYPE 'X'
-\f
-/* Jörg Schilling star header */
+/* J@"org Schilling star header */
struct star_header
{ /* byte offset */
#define SPARSES_IN_STAR_HEADER 4
#define SPARSES_IN_STAR_EXT_HEADER 21
-struct star_in_header {
+struct star_in_header
+{
char fill[345]; /* 0 Everything that is before t_prefix */
char prefix[1]; /* 345 t_name prefix */
char fill2; /* 346 */
char xmagic[4]; /* 508 "tar" */
};
-struct star_ext_header {
+struct star_ext_header
+{
struct sparse sp[SPARSES_IN_STAR_EXT_HEADER];
char isextended;
};
+/* END */
\f
/* tar Header Block, overall structure. */
/* Information about a sparse file. */
struct sp_array
- {
- off_t offset;
- size_t numbytes;
- };
+{
+ off_t offset;
+ size_t numbytes;
+};
+
+struct xheader
+{
+ struct obstack *stk;
+ size_t size;
+ char *buffer;
+ uintmax_t string_length;
+};
struct tar_stat_info
{
char *orig_file_name; /* name of file read from the archive header */
char *file_name; /* name of file for the current archive entry
after being normalized. */
- int had_trailing_slash; /* nonzero if the current archive entry had a
+ bool had_trailing_slash; /* true if the current archive entry had a
trailing slash before it was normalized. */
char *link_name; /* name of link for the current archive entry. */
- unsigned int devminor; /* device minor number */
- unsigned int devmajor; /* device major number */
char *uname; /* user name of owner */
char *gname; /* group name of owner */
struct stat stat; /* regular filesystem stat */
- /* Nanosecond parts of file timestamps (if available) */
- unsigned long atime_nsec;
- unsigned long mtime_nsec;
- unsigned long ctime_nsec;
+ /* STAT doesn't always have access, data modification, and status
+ change times in a convenient form, so store them separately. */
+ struct timespec atime;
+ struct timespec mtime;
+ struct timespec ctime;
off_t archive_file_size; /* Size of file as stored in the archive.
Equals stat.st_size for non-sparse files */
bool is_sparse; /* Is the file sparse */
+ /* For sparse files: */
+ unsigned sparse_major;
+ unsigned sparse_minor;
size_t sparse_map_avail; /* Index to the first unused element in
sparse_map array. Zero if the file is
not sparse */
size_t sparse_map_size; /* Size of the sparse map */
struct sp_array *sparse_map;
+
+ /* Extended headers */
+ struct xheader xhdr;
+
+ /* For dumpdirs */
+ bool is_dumpdir; /* Is the member a dumpdir? */
+ bool skipped; /* The member contents is already read
+ (for GNUTYPE_DUMPDIR) */
+ char *dumpdir; /* Contents of the dump directory */
};
union block
struct star_in_header star_in_header;
struct star_ext_header star_ext_header;
};
-
-/* End of Format description. */