rpmio/cpio.h File Reference

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

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Data Structures
struct	cpioCrcPhysicalHeader_s
	Cpio archive header information. More...
Defines
#define	CPIO_NEWC_MAGIC   "070701"
#define	CPIO_CRC_MAGIC   "070702"
#define	CPIO_TRAILER   "TRAILER!!!"
#define	PHYS_HDR_SIZE   110
Typedefs
typedef struct cpioCrcPhysicalHeader_s *	cpioHeader
Functions
int	cpioHeaderRead (void *_iosm, struct stat *st)
	Read cpio header.
int	cpioHeaderWrite (void *_iosm, struct stat *st)
	Write cpio header.
int	cpioTrailerWrite (void *_iosm)
	Write cpio trailer.
Variables
int	_cpio_debug

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Detailed Description

Structures used for cpio(1) archives.

Definition in file cpio.h.

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Define Documentation

#define CPIO_CRC_MAGIC   "070702"

Definition at line 15 of file cpio.h.

Referenced by cpioHeaderRead().

#define CPIO_NEWC_MAGIC   "070701"

Definition at line 14 of file cpio.h.

Referenced by cpioHeaderRead(), cpioHeaderWrite(), and cpioTrailerWrite().

#define CPIO_TRAILER   "TRAILER!!!"

Definition at line 16 of file cpio.h.

Referenced by cpioTrailerWrite(), and iosmStage().

#define PHYS_HDR_SIZE   110

Definition at line 18 of file cpio.h.

Referenced by cpioHeaderRead(), cpioHeaderWrite(), and cpioTrailerWrite().

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Typedef Documentation

typedef struct cpioCrcPhysicalHeader_s* cpioHeader

Definition at line 11 of file cpio.h.

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Function Documentation

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

Read cpio header.

Return values:

_iosm	file path and stat info
st

Returns:

0 on success

Definition at line 95 of file cpio.c.

References _cpio_debug, _free(), _iosmNext, _IOSMRC, CPIO_CRC_MAGIC, CPIO_NEWC_MAGIC, cpioRead(), cpioCrcPhysicalHeader_s::devMajor, cpioCrcPhysicalHeader_s::devMinor, cpioCrcPhysicalHeader_s::filesize, GET_NUM_FIELD, cpioCrcPhysicalHeader_s::gid, cpioCrcPhysicalHeader_s::inode, IOSM_POS, IOSMERR_BAD_HEADER, IOSMERR_BAD_MAGIC, iosm_s::lpath, cpioCrcPhysicalHeader_s::magic, major, Makedev, minor, cpioCrcPhysicalHeader_s::mode, cpioCrcPhysicalHeader_s::mtime, cpioCrcPhysicalHeader_s::namesize, cpioCrcPhysicalHeader_s::nlink, iosm_s::path, PHYS_HDR_SIZE, cpioCrcPhysicalHeader_s::rdevMajor, cpioCrcPhysicalHeader_s::rdevMinor, S_ISLNK, cpioCrcPhysicalHeader_s::uid, iosm_s::wrbuf, iosm_s::wrsize, and xmalloc().

Referenced by fsmSetup(), and iosmSetup().

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

Write cpio header.

Return values:

_iosm

file path and stat info

Parameters:

st

Returns:

0 on success

Definition at line 224 of file cpio.c.

References _cpio_debug, _iosmNext, _IOSMRC, cpioCrcPhysicalHeader_s::checksum, CPIO_NEWC_MAGIC, cpioWrite(), cpioCrcPhysicalHeader_s::devMajor, cpioCrcPhysicalHeader_s::devMinor, cpioCrcPhysicalHeader_s::filesize, cpioCrcPhysicalHeader_s::gid, cpioCrcPhysicalHeader_s::inode, IOSM_PAD, iosm_s::lpath, cpioCrcPhysicalHeader_s::magic, major, minor, cpioCrcPhysicalHeader_s::mode, cpioCrcPhysicalHeader_s::mtime, cpioCrcPhysicalHeader_s::namesize, cpioCrcPhysicalHeader_s::nlink, iosm_s::path, PHYS_HDR_SIZE, iosm_s::rdbuf, cpioCrcPhysicalHeader_s::rdevMajor, cpioCrcPhysicalHeader_s::rdevMinor, S_ISLNK, SET_NUM_FIELD, and cpioCrcPhysicalHeader_s::uid.

Referenced by fsmSetup(), and iosmSetup().

int cpioTrailerWrite

(

void *

_iosm

)

Write cpio trailer.

Return values:

_iosm

file path and stat info

Returns:

0 on success

Definition at line 279 of file cpio.c.

References _cpio_debug, _iosmNext, _IOSMRC, CPIO_NEWC_MAGIC, CPIO_TRAILER, cpioWrite(), IOSM_PAD, cpioCrcPhysicalHeader_s::magic, cpioCrcPhysicalHeader_s::namesize, cpioCrcPhysicalHeader_s::nlink, PHYS_HDR_SIZE, and iosm_s::rdbuf.

Referenced by fsmSetup(), and iosmSetup().

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Variable Documentation

int _cpio_debug

Definition at line 20 of file cpio.c.