Tar archive handling

Collaboration diagram for Tar archive handling:

Data Structures
struct	tar_entry
struct	tar_operations
struct	tar_archive

Macros
#define	TARBLKSZ   512

Typedefs
typedef int	tar_read_func(struct tar_archive *tar, char *buffer, int length)
typedef int	tar_make_func(struct tar_archive *tar, struct tar_entry *h)

Enumerations
enum	tar_format {   TAR_FORMAT_UNKNOWN , TAR_FORMAT_OLD , TAR_FORMAT_GNU , TAR_FORMAT_USTAR ,   TAR_FORMAT_PAX }
enum	tar_filetype {   TAR_FILETYPE_FILE0 = '\0' , TAR_FILETYPE_FILE = '0' , TAR_FILETYPE_HARDLINK = '1' , TAR_FILETYPE_SYMLINK = '2' ,   TAR_FILETYPE_CHARDEV = '3' , TAR_FILETYPE_BLOCKDEV = '4' , TAR_FILETYPE_DIR = '5' , TAR_FILETYPE_FIFO = '6' ,   TAR_FILETYPE_CONTIG = '7' , TAR_FILETYPE_GNU_LONGLINK = 'K' , TAR_FILETYPE_GNU_LONGNAME = 'L' , TAR_FILETYPE_GNU_VOLUME = 'V' ,   TAR_FILETYPE_GNU_MULTIVOL = 'M' , TAR_FILETYPE_GNU_DUMPDIR = 'D' , TAR_FILETYPE_GNU_SPARSE = 'S' , TAR_FILETYPE_PAX_GLOBAL = 'g' ,   TAR_FILETYPE_PAX_EXTENDED = 'x' , TAR_FILETYPE_SOLARIS_EXTENDED = 'X' , TAR_FILETYPE_SOLARIS_ACL = 'A' }

Functions
uintmax_t	tar_atoul (const char *s, size_t size, uintmax_t max)
intmax_t	tar_atosl (const char *s, size_t size, intmax_t min, intmax_t max)
void	tar_entry_update_from_system (struct tar_entry *te)
	Update the tar entry from system information.
int	tar_extractor (struct tar_archive *tar)

Detailed Description

Macro Definition Documentation

TARBLKSZ

#define TARBLKSZ   512

Typedef Documentation

tar_make_func

typedef int tar_make_func(struct tar_archive *tar, struct tar_entry *h)

tar_read_func

typedef int tar_read_func(struct tar_archive *tar, char *buffer, int length)

Enumeration Type Documentation

tar_filetype

enum tar_filetype

Enumerator
TAR_FILETYPE_FILE0	For compatibility with decades-old bug.
TAR_FILETYPE_FILE
TAR_FILETYPE_HARDLINK
TAR_FILETYPE_SYMLINK
TAR_FILETYPE_CHARDEV
TAR_FILETYPE_BLOCKDEV
TAR_FILETYPE_DIR
TAR_FILETYPE_FIFO
TAR_FILETYPE_CONTIG
TAR_FILETYPE_GNU_LONGLINK
TAR_FILETYPE_GNU_LONGNAME
TAR_FILETYPE_GNU_VOLUME
TAR_FILETYPE_GNU_MULTIVOL
TAR_FILETYPE_GNU_DUMPDIR
TAR_FILETYPE_GNU_SPARSE
TAR_FILETYPE_PAX_GLOBAL
TAR_FILETYPE_PAX_EXTENDED
TAR_FILETYPE_SOLARIS_EXTENDED
TAR_FILETYPE_SOLARIS_ACL

tar_format

enum tar_format

Enumerator
TAR_FORMAT_UNKNOWN
TAR_FORMAT_OLD
TAR_FORMAT_GNU
TAR_FORMAT_USTAR
TAR_FORMAT_PAX

Function Documentation

tar_atosl()

intmax_t tar_atosl	(	const char *	s,
		size_t	size,
		intmax_t	min,
		intmax_t	max
	)

References max, and min.

tar_atoul()

uintmax_t tar_atoul	(	const char *	s,
		size_t	size,
		uintmax_t	max
	)

References max.

tar_entry_update_from_system()

void tar_entry_update_from_system

(

struct tar_entry *

te

)

Update the tar entry from system information.

Normalize UID and GID relative to the current system.

References file_stat::gid, file_stat::gname, tar_entry::stat, file_stat::uid, and file_stat::uname.

Referenced by tarobject().

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tar_extractor()

int tar_extractor

(

struct tar_archive *

tar

)

References _, dpkg_error_destroy(), dpkg_put_error(), tar_archive::err, tar_operations::extract_file, file_stat::gname, tar_symlink_entry::h, tar_operations::link, tar_entry::linkname, m_malloc(), tar_operations::mkdir, tar_operations::mknod, tar_entry::name, tar_symlink_entry::next, tar_archive::ops, tar_operations::read, tar_entry::stat, tar_operations::symlink, TAR_FILETYPE_BLOCKDEV, TAR_FILETYPE_CHARDEV, TAR_FILETYPE_DIR, TAR_FILETYPE_FIFO, TAR_FILETYPE_FILE, TAR_FILETYPE_GNU_DUMPDIR, TAR_FILETYPE_GNU_LONGLINK, TAR_FILETYPE_GNU_LONGNAME, TAR_FILETYPE_GNU_MULTIVOL, TAR_FILETYPE_GNU_SPARSE, TAR_FILETYPE_GNU_VOLUME, TAR_FILETYPE_HARDLINK, TAR_FILETYPE_PAX_EXTENDED, TAR_FILETYPE_PAX_GLOBAL, TAR_FILETYPE_SOLARIS_ACL, TAR_FILETYPE_SOLARIS_EXTENDED, TAR_FILETYPE_SYMLINK, TARBLKSZ, tar_entry::type, and file_stat::uname.

Referenced by process_archive().

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