rpmio/tar.h File Reference

Structures used for tar(1) archives. More...

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Data Structures
struct	tarHeader_s
	Tar archive header information. More...
Defines
#define	TAR_MAGIC   "ustar"
#define	TAR_VERSION   " "
#define	TAR_BLOCK_SIZE   512
#define	TAR_MAGIC_LEN   6
#define	TAR_VERSION_LEN   2
#define	TAR_NAME_SIZE   100
Typedefs
typedef struct tarHeader_s *	tarHeader
Functions
int	tarHeaderRead (void *_iosm, struct stat *st)
	Read tar header from payload.
int	tarHeaderWrite (void *_iosm, struct stat *st)
	Write tar header to payload.
int	tarTrailerWrite (void *_iosm)
	Write cpio trailer to payload.
Variables
int	_tar_debug

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Detailed Description

Structures used for tar(1) archives.

Definition in file tar.h.

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Define Documentation

#define TAR_BLOCK_SIZE   512

Definition at line 17 of file tar.h.

Referenced by fsmSetup(), iosmSetup(), tarHeaderRead(), and tarHeaderWriteBlock().

#define TAR_MAGIC   "ustar"

Definition at line 14 of file tar.h.

Referenced by tarHeaderRead(), and tarHeaderWriteBlock().

#define TAR_MAGIC_LEN   6

Definition at line 18 of file tar.h.

#define TAR_NAME_SIZE   100

Definition at line 22 of file tar.h.

#define TAR_VERSION   " "

Definition at line 15 of file tar.h.

Referenced by tarHeaderWriteBlock().

#define TAR_VERSION_LEN   2

Definition at line 19 of file tar.h.

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Typedef Documentation

typedef struct tarHeader_s* tarHeader

Definition at line 11 of file tar.h.

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Function Documentation

int tarHeaderRead	(	void *	_iosm,
		struct stat *	st
	)

Read tar header from payload.

Return values:

_iosm	file path and stat info
st

Returns:

0 on success

Definition at line 122 of file tar.c.

References _IOSMRC, _tar_debug, tarHeader_s::checksum, tarHeader_s::devMajor, tarHeader_s::devMinor, tarHeader_s::filesize, tarHeader_s::gid, IOSMERR_BAD_HEADER, IOSMERR_BAD_MAGIC, IOSMERR_HDR_TRAILER, tarHeader_s::linkname, iosm_s::lpath, tarHeader_s::magic, major, Makedev, minor, tarHeader_s::mode, tarHeader_s::mtime, tarHeader_s::name, nochksum, iosm_s::path, strntoul(), TAR_BLOCK_SIZE, TAR_MAGIC, tarHeaderReadName(), tarRead(), tarHeader_s::typeflag, tarHeader_s::uid, iosm_s::wrbuf, and xmalloc().

Referenced by fsmSetup(), and iosmSetup().

int tarHeaderWrite	(	void *	_iosm,
		struct stat *	st
	)

Write tar header to payload.

Return values:

_iosm

file path and stat info

Parameters:

st

Returns:

0 on success

Definition at line 386 of file tar.c.

References _iosmNext, _IOSMRC, _tar_debug, tarHeader_s::devMajor, tarHeader_s::devMinor, tarHeader_s::filesize, tarHeader_s::gid, gidToGname(), tarHeader_s::gname, IOSM_PAD, tarHeader_s::linkname, iosm_s::lpath, major, minor, tarHeader_s::mode, tarHeader_s::mtime, tarHeader_s::name, iosm_s::path, iosm_s::rdbuf, S_ISLNK, S_ISSOCK, tarHeaderWriteBlock(), tarHeaderWriteName(), tarHeader_s::typeflag, tarHeader_s::uid, uidToUname(), and tarHeader_s::uname.

Referenced by fsmSetup(), iosmSetup(), and writeLinkedFile().

int tarTrailerWrite

(

void *

_iosm

)

Write cpio trailer to payload.

Return values:

_fsm	file path and stat info

Returns:

0 on success

Definition at line 498 of file tar.c.

References _iosmNext, _IOSMRC, _tar_debug, iosm_s::blksize, IOSM_PAD, and tarWrite().

Referenced by fsmSetup(), and iosmSetup().

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Variable Documentation

int _tar_debug

Definition at line 21 of file tar.c.