#include "system.h"
#include <rpmiotypes.h>
#include <rpmio.h>
#include <header_internal.h>
#include "debug.h"

Include dependency graph for header.c:

Go to the source code of this file.

Data Structures
struct	headerIterator_s
	Header tag iterator data structure. More...

Macros
#define	_RPMTAG_INTERNAL

Functions
void *	headerGetStats (Header h, int opx)
	Return header stats accumulator structure.
static void	headerScrub (void *_h)
static Header	headerGetPool (rpmioPool pool)
Header	headerNew (void)
	Create new (empty) header instance.
static int	indexCmp (const void avp, const void bvp)
static void	headerSort (Header h)
	Sort tags in header.
static int	offsetCmp (const void avp, const void bvp)
static void	headerUnsort (Header h)
	Restore tags in header to original ordering.
size_t	headerSizeof (Header h)
	Return size of on-disk header representation in bytes.
static size_t	dataLength (rpmTagType type, rpmTagData p, rpmTagCount count, int onDisk, rpmTagData pend)
	Return length of entry data.
static unsigned char *	tagSwab (unsigned char *t, const HE_t he, size_t nb)
	Swab rpmuint64_t/rpmuint32_t/rpmuint16_t arrays within header region.
static int	rpmheRealloc (HE_t he)
	Always realloc HE_t memory.
static rpmuint32_t	regionSwab (indexEntry entry, rpmuint32_t il, rpmuint32_t dl, entryInfo pe, unsigned char dataStart, const unsigned char dataEnd, rpmint32_t regionid)
	Swab rpmuint64_t/rpmuint32_t/rpmuint16_t arrays within header region.
void *	headerUnload (Header h, size_t *lenp)
	headerUnload.
static indexEntry	findEntry (Header h, rpmTag tag, rpmTagType type)
	Find matching (tag,type) entry in header.
static int	headerRemoveEntry (Header h, rpmTag tag)
	Delete tag in header.
Header	headerLoad (void *uh)
	Convert header to in-memory representation.
int	headerGetMagic (Header h, unsigned char *magicp, size_t nmagicp)
	Return header magic.
int	headerSetMagic (Header h, unsigned char *magic, size_t nmagic)
	Store header magic.
const char *	headerGetOrigin (Header h)
	Return header origin (e.g path or URL).
int	headerSetOrigin (Header h, const char *origin)
	Store header origin (e.g path or URL).
const char *	headerGetParent (Header h)
	Return header parent identifier (e.g parent's NVRA).
int	headerSetParent (Header h, const char *parent)
	Store header parent (e.g parent's NVRA).
const char *	headerGetBaseURL (Header h)
	Return header base URL (e.g path or URL).
int	headerSetBaseURL (Header h, const char *baseurl)
	Store header base URL (e.g path or URL).
struct stat *	headerGetStatbuf (Header h)
	Return header stat(2) buffer (of origin *.rpm file).
int	headerSetStatbuf (Header h, struct stat *st)
	Copy into header stat(2) buffer (of origin *.rpm file).
const char *	headerGetDigest (Header h)
	Return digest of origin *.rpm file.
int	headerSetDigest (Header h, const char *digest)
	Store digest of origin *.rpm file.
void *	headerGetRpmdb (Header h)
	Return rpmdb pointer.
void *	headerSetRpmdb (Header h, void *rpmdb)
	Store rpmdb pointer.
uint32_t	headerGetInstance (Header h)
	Return header instance (if from rpmdb).
uint32_t	headerSetInstance (Header h, uint32_t instance)
	Store header instance (e.g path or URL).
rpmuint32_t	headerGetStartOff (Header h)
	Return header starting byte offset.
rpmuint32_t	headerSetStartOff (Header h, rpmuint32_t startoff)
	Store header starting byte offset.
rpmuint32_t	headerGetEndOff (Header h)
	Return header ending byte offset.
rpmuint32_t	headerSetEndOff (Header h, rpmuint32_t endoff)
	Store header ending byte offset.
Header	headerReload (Header h, rpmTag tag)
	Convert header to on-disk representation, and then reload.
static Header	headerMap (const void *uh, int map)
Header	headerCopyLoad (const void *uh)
	Make a copy and convert header to in-memory representation.
int	headerIsEntry (Header h, rpmTag tag)
	Check if tag is in header.
static int	copyEntry (const indexEntry entry, HE_t he, int minMem)
	Retrieve data from header entry.
static int	intGetEntry (Header h, HE_t he, int flags)
	Retrieve tag data from header.
static int	copyData (char *t, const HE_t he, size_t nb)
	Copy (swab'd) data into store.
static void *	grabData (HE_t he, size_t *lenp)
	Return (malloc'ed) copy of (swab'd) entry data.
static int	headerAddEntry (Header h, HE_t he)
	Add tag to header.
static int	headerAppendEntry (Header h, HE_t he)
	Append element to tag array in header.
static int	headerAddOrAppendEntry (Header h, HE_t he)
	Add or append element to tag array in header.
static int	headerModifyEntry (Header h, HE_t he)
	Modify tag in header.
HeaderIterator	headerFini (HeaderIterator hi)
	Destroy header tag container iterator.
HeaderIterator	headerInit (Header h)
	Create header tag iterator.
int	headerNext (HeaderIterator hi, HE_t he, unsigned int flags)
	Return next tag from header.
Header	headerCopy (Header h)
	Duplicate a header.
void	headerCopyTags (Header headerFrom, Header headerTo, rpmTag *tagstocopy)
	Duplicate tag values from one header into another.
int	headerGet (Header h, HE_t he, unsigned int flags)
	Retrieve extension or tag value from a header.
int	headerPut (Header h, HE_t he, unsigned int flags)
	Add or append tag container to header.
int	headerDel (Header h, HE_t he, unsigned int flags)
	Remove tag container from header.
int	headerMod (Header h, HE_t he, unsigned int flags)
	Modify tag container in header.

Variables
int	_hdr_debug = 0
static unsigned char	header_magic [8]
static int	typeSizes [16]
	Size of header data types.
static size_t	headerMaxbytes = (102410241024)
	Maximum no.
int	_hdr_stats = 0
	Global header stats enabler.
static struct rpmop_s	hdr_loadops
rpmop	_hdr_loadops = &hdr_loadops
static struct rpmop_s	hdr_getops
rpmop	_hdr_getops = &hdr_getops
rpmioPool	_headerPool

Detailed Description

Definition in file header.c.

Macro Definition Documentation

#define _RPMTAG_INTERNAL

Definition at line 15 of file header.c.

Function Documentation

static int copyData	(	char *	t,
		const HE_t	he,
		size_t	nb
	)

static

Copy (swab'd) data into store.

Parameters

t	data store
he	tag container
nb	no. bytes in store

Returns: 0 on success

Definition at line 1737 of file header.c.

References rpmDataType_u::argv, _HE_s::c, _HE_s::p, RPM_I18NSTRING_TYPE, RPM_STRING_ARRAY_TYPE, _HE_s::t, and tagSwab().

Referenced by grabData(), and headerAppendEntry().

static size_t dataLength	(	rpmTagType	type,
		rpmTagData *	p,
		rpmTagCount	count,
		int	onDisk,
		rpmTagData *	pend
	)

static

Return length of entry data.

Parameters

type	entry data type
*p	tag container data
count	entry item count
onDisk	data is concatenated strings (with NUL's))?
*pend	pointer to end of tag container data (or NULL)