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DBI.


Files

file  rpmdb.c
file  rpmdb.h
 Access RPM indices using Berkeley DB interface(s).

file  rpmlib.h

Data Structures

struct  _dbiIndex
struct  _dbiIndexItem
struct  _dbiIndexSet
struct  _dbiVec
struct  dbiBStats_s
struct  dbiHStats_s

Functions

dbiIndex dbiOpen (rpmdb db, int rpmtag, unsigned int flags)
int dbiCopen (dbiIndex dbi, void **dbcp, unsigned int flags)
int dbiCclose (dbiIndex dbi, void *dbcursor, unsigned int flags)
int dbiDel (dbiIndex dbi, void *dbcursor, const void *keyp, size_t keylen, unsigned int flags)
int dbiGet (dbiIndex dbi, void *dbcursor, void **keypp, size_t *keylenp, void **datapp, size_t *datalenp, unsigned int flags)
int dbiPut (dbiIndex dbi, void *dbcursor, const void *keyp, size_t keylen, const void *datap, size_t datalen, unsigned int flags)
int dbiCount (dbiIndex dbi, void *dbcursor, unsigned int *countp, unsigned int flags)
int dbiVerify (dbiIndex dbi, unsigned int flags)
int dbiClose (dbiIndex dbi, unsigned int flags)
int dbiSync (dbiIndex dbi, unsigned int flags)
int dbiByteSwapped (dbiIndex dbi)
dbiIndexSet dbiFreeIndexSet (dbiIndexSet set)
unsigned int dbiIndexSetCount (dbiIndexSet set)
unsigned int dbiIndexRecordOffset (dbiIndexSet set, int recno)
unsigned int dbiIndexRecordFileNumber (dbiIndexSet set, int recno)

Variables

int(* open )(rpmdb rpmdb, int rpmtag, dbiIndex *dbip)
int(* close )(dbiIndex dbi, unsigned int flags)
int(* sync )(dbiIndex dbi, unsigned int flags)
int(* copen )(dbiIndex dbi, void **dbcp, unsigned int flags)
int(* cclose )(dbiIndex dbi, void *dbcursor, unsigned int flags)
int(* cdel )(dbiIndex dbi, void *dbcursor, const void *keyp, size_t keylen, unsigned int flags)
int(* cget )(dbiIndex dbi, void *dbcursor, void **keypp, size_t *keylenp, void **datapp, size_t *datalenp, unsigned int flags)
int(* cput )(dbiIndex dbi, void *dbcursor, const void *keyp, size_t keylen, const void *datap, size_t datalen, unsigned int flags)
int(* ccount )(dbiIndex dbi, void *dbcursor, unsigned int *countp, unsigned int flags)
int(* byteswapped )(dbiIndex dbi)
int(* stat )(dbiIndex dbi, unsigned int flags)

Function Documentation

int dbiByteSwapped dbiIndex    dbi
 

Is database byte swapped?

Parameters:
dbi  index database handle
Returns:
0 no

Definition at line 215 of file rpmdb.c.

Referenced by dbiSearch, and dbiUpdateIndex.

int dbiCclose dbiIndex    dbi,
void *    dbcursor,
unsigned int    flags
 

Parameters:
dbi  index database handle
flags  (unused)

Definition at line 227 of file rpmdb.c.

References _dbiIndex::dbi_byteswapped.

Referenced by openDatabase, rpmdbAdd, rpmdbCountPackages, rpmdbFindByFile, rpmdbFreeIterator, rpmdbGrowIterator, rpmdbInitIterator, rpmdbRemove, and unsatisfiedDepend.

int dbiClose dbiIndex    dbi,
unsigned int    flags
 

Close index database.

Parameters:
dbi  index database handle
flags  (unused)
Returns:
0 on success

Definition at line 382 of file rpmdb.c.

Referenced by rpmdbClose, and rpmdbCloseDBI.

int dbiCopen dbiIndex    dbi,
void **    dbcp,
unsigned int    flags
 

Parameters:
dbi  index database handle
flags  DBI_WRITECURSOR, DBI_ITERATOR or 0

Definition at line 220 of file rpmdb.c.

References _dbiIndex::dbi_permit_dups.

Referenced by openDatabase, rpmdbAdd, rpmdbCountPackages, rpmdbFindByFile, rpmdbGrowIterator, rpmdbInitIterator, rpmdbNextIterator, rpmdbRemove, and unsatisfiedDepend.

int dbiCount dbiIndex    dbi,
void *    dbcursor,
unsigned int *    countp,
unsigned int    flags
 

Retrieve count of (possible) duplicate items.

Parameters:
dbi  index database handle
dbcursor  database cursor
countp  address of count
flags  (unused)
Returns:
0 on success

Definition at line 356 of file rpmdb.c.

int dbiDel dbiIndex    dbi,
void *    dbcursor,
const void *    keyp,
size_t    keylen,
unsigned int    flags
 

Delete (key,data) pair(s) from index database.

Parameters:
dbi  index database handle
keyp  key data
keylen  key data length
flags  (unused)
Returns:
0 on success

Definition at line 234 of file rpmdb.c.

References _dbiIndex::db_errcall, and _dbiIndex::dbi_lorder.

Referenced by dbiUpdateIndex, and rpmdbRemove.

dbiIndexSet dbiFreeIndexSet dbiIndexSet    set
 

Destroy set of index database items.

Parameters:
set  set of index database items
Returns:
NULL always

Definition at line 793 of file rpmdb.c.

Referenced by addIndexEntry, dbiFindByLabel, dbiFindMatches, removeIndexEntry, rpmdbCountPackages, rpmdbFindByFile, rpmdbFreeIterator, rpmdbGrowIterator, and rpmdbInitIterator.

int dbiGet dbiIndex    dbi,
void *    dbcursor,
void **    keypp,
size_t *    keylenp,
void **    datapp,
size_t *    datalenp,
unsigned int    flags
 

Retrieve (key,data) pair from index database.

Parameters:
dbi  index database handle
keypp  address of key data
keylenp  address of key data length
datapp  address of data pointer
datalenp  address of data length
flags  (unused)
Returns:
0 on success

Definition at line 252 of file rpmdb.c.

References _dbiIndex::dbi_lg_max.

Referenced by dbiSearch, openDatabase, rpmdbAdd, rpmdbNextIterator, and unsatisfiedDepend.

unsigned int dbiIndexRecordFileNumber dbiIndexSet    set,
int    recno
 

Return file index from element in index database set.

Parameters:
set  set of index database items
recno  index of item in set
Returns:
file index

Definition at line 788 of file rpmdb.c.

Referenced by rpmdbFindByFile, and rpmdbNextIterator.

unsigned int dbiIndexRecordOffset dbiIndexSet    set,
int    recno
 

Return record offset of header from element in index database set.

Parameters:
set  set of index database items
recno  index of item in set
Returns:
record offset of header

Definition at line 783 of file rpmdb.c.

Referenced by dbiFindMatches, rpmdbFindByFile, and rpmdbNextIterator.

unsigned int dbiIndexSetCount dbiIndexSet    set
 

Count items in index database set.

Parameters:
set  set of index database items
Returns:
number of items

Definition at line 778 of file rpmdb.c.

Referenced by dbiFindMatches, and rpmdbCountPackages.

dbiIndex dbiOpen rpmdb    db,
int    rpmtag,
unsigned int    flags
 

Return handle for an index database.

Parameters:
db  rpm database
rpmtag  rpm tag
flags  (unused)
Returns:
index database handle

Definition at line 388 of file rpmdb.c.

References DBC.

Referenced by openDatabase, rpmdbAdd, rpmdbCountPackages, rpmdbFindByFile, rpmdbFreeIterator, rpmdbGrowIterator, rpmdbInitIterator, rpmdbNextIterator, rpmdbOpenAll, rpmdbRemove, and unsatisfiedDepend.

int dbiPut dbiIndex    dbi,
void *    dbcursor,
const void *    keyp,
size_t    keylen,
const void *    datap,
size_t    datalen,
unsigned int    flags
 

Store (key,data) pair in index database.

Parameters:
dbi  index database handle
keyp  key data
keylen  key data length
datap  data pointer
datalen  data length
flags  (unused)
Returns:
0 on success

Definition at line 305 of file rpmdb.c.

Referenced by dbiUpdateIndex, dbiUpdateRecord, rpmdbAdd, and unsatisfiedDepend.

int dbiSync dbiIndex    dbi,
unsigned int    flags
 

Flush pending operations to disk.

Parameters:
dbi  index database handle
flags  (unused)
Returns:
0 on success

Definition at line 208 of file rpmdb.c.

References _dbiIndex::dbi_tflags.

Referenced by dbiUpdateRecord, rpmdbAdd, rpmdbRemove, and rpmdbSync.

int dbiVerify dbiIndex    dbi,
unsigned int    flags
 

Verify (and close) index database.

Parameters:
dbi  index database handle
flags  (unused)
Returns:
0 on success

Definition at line 367 of file rpmdb.c.

Referenced by rpmdbVerify.


Variable Documentation

int(* _dbiVec::byteswapped)(dbiIndex dbi) [inherited]
 

Is database byte swapped?

Parameters:
dbi  index database handle
Returns:
0 no

Referenced by dbiByteSwapped.

int(* _dbiVec::cclose)(dbiIndex dbi, void * dbcursor, unsigned int flags) [inherited]
 

Close database cursor.

Parameters:
dbi  index database handle
dbcursor  database cursor
flags  (unused)

Referenced by dbiCclose.

int(* _dbiVec::ccount)(dbiIndex dbi, void * dbcursor, unsigned int * countp, unsigned int flags) [inherited]
 

Retrieve count of (possible) duplicate items using dbcursor->c_count.

Parameters:
dbi  index database handle
dbcursor  database cursor
countp  address of count
flags  (unused)
Returns:
0 on success

Referenced by dbiCount.

int(* _dbiVec::cdel)(dbiIndex dbi, void * dbcursor, const void * keyp, size_t keylen, unsigned int flags) [inherited]
 

Delete (key,data) pair(s) using db->del or dbcursor->c_del.

Parameters:
dbi  index database handle
dbcursor  database cursor
keyp  key data
keylen  key data length
flags  (unused)
Returns:
0 on success

Referenced by dbiDel.

int(* _dbiVec::cget)(dbiIndex dbi, void * dbcursor, void ** keypp, size_t * keylenp, void ** datapp, size_t * datalenp, unsigned int flags) [inherited]
 

Retrieve (key,data) pair using db->get or dbcursor->c_get.

Parameters:
dbi  index database handle
dbcursor  database cursor
keypp  address of key data
keylenp  address of key data length
datapp  address of data pointer
datalenp  address of data length
flags  (unused)
Returns:
0 on success

Referenced by dbiGet.

int(* _dbiVec::close)( dbiIndex dbi, unsigned int flags) [inherited]
 

Close index database, and destroy database handle.

Parameters:
dbi  index database handle
flags  (unused)
Returns:
0 on success

Referenced by dbiClose, and dbiVerify.

int(* _dbiVec::copen)(dbiIndex dbi, void ** dbcp, unsigned int flags) [inherited]
 

Open database cursor.

Parameters:
dbi  index database handle
dbcp  address of database cursor
flags  (unused)

Referenced by dbiCopen.

int(* _dbiVec::cput)(dbiIndex dbi, void * dbcursor, const void * keyp, size_t keylen, const void * datap, size_t datalen, unsigned int flags) [inherited]
 

Store (key,data) pair using db->put or dbcursor->c_put.

Parameters:
dbi  index database handle
dbcursor  database cursor
keyp  key data
keylen  key data length
datap  data pointer
datalen  data length
flags  (unused)
Returns:
0 on success

Referenced by dbiPut.

int(* _dbiVec::open)(rpmdb rpmdb, int rpmtag, dbiIndex * dbip) [inherited]
 

Return handle for an index database.

Parameters:
rpmdb  rpm database
rpmtag  rpm tag
Returns:
0 on success

Referenced by dbiOpen.

int(* _dbiVec::stat)(dbiIndex dbi, unsigned int flags) [inherited]
 

Save statistics in database handle.

Parameters:
dbi  index database handle
flags  retrieve statistics that don't require traversal?
Returns:
0 on success

int(* _dbiVec::sync)(dbiIndex dbi, unsigned int flags) [inherited]
 

Flush pending operations to disk.

Parameters:
dbi  index database handle
flags  (unused)
Returns:
0 on success

Referenced by dbiSync.


Generated on Thu Apr 18 17:35:00 2002 for rpm by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002