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#ifndef H_RPMDB_INTERNAL
#define H_RPMDB_INTERNAL
#include <assert.h>
#include <db.h>
#include <rpm/rpmsw.h>
#include <rpm/rpmtypes.h>
#include <rpm/rpmutil.h>
#include "lib/backend/dbi.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup rpmdb
* Reference a database instance.
* @param db rpm database
* @return new rpm database reference
*/
rpmdb rpmdbLink(rpmdb db);
/** \ingroup rpmdb
* Open rpm database.
* @param prefix path to top of install tree
* @retval dbp address of rpm database
* @param mode open(2) flags: O_RDWR or O_RDONLY (O_CREAT also)
* @param perms database permissions
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbOpen (const char * prefix, rpmdb * dbp, int mode, int perms);
/** \ingroup rpmdb
* Initialize database.
* @param prefix path to top of install tree
* @param perms database permissions
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbInit(const char * prefix, int perms);
/** \ingroup rpmdb
* Close all database indices and free rpmdb.
* @param db rpm database
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbClose (rpmdb db);
/** \ingroup rpmdb
* Sync all database indices.
* @param db rpm database
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbSync (rpmdb db);
/** \ingroup rpmdb
* Rebuild database indices from package headers.
* @param prefix path to top of install tree
* @param ts transaction set (or NULL)
* @param (*hdrchk) headerCheck() vector (or NULL)
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbRebuild(const char * prefix, rpmts ts,
rpmRC (*hdrchk) (rpmts ts, const void *uh, size_t uc, char ** msg));
/** \ingroup rpmdb
* Verify database components.
* @param prefix path to top of install tree
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbVerify(const char * prefix);
/** \ingroup rpmdb
* Add package header to rpm database and indices.
* @param db rpm database
* @param h header
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbAdd(rpmdb db, Header h);
/** \ingroup rpmdb
* Remove package header from rpm database and indices.
* @param db rpm database
* @param hdrNum package instance number in database
* @return 0 on success
*/
RPM_GNUC_INTERNAL
int rpmdbRemove(rpmdb db, unsigned int hdrNum);
/** \ingroup rpmdb
* Return rpmdb home directory (depending on chroot state)
* param db rpmdb handle
* return db home directory (or NULL on error)
*/
RPM_GNUC_INTERNAL
const char *rpmdbHome(rpmdb db);
/** \ingroup rpmdb
* Return database iterator.
* @param mi rpm database iterator
* @param keyp key data (NULL for sequential access)
* @param keylen key data length (0 will use strlen(keyp))
* @return 0 on success
*/
int rpmdbExtendIterator(rpmdbMatchIterator mi,
const void * keyp, size_t keylen);
/** \ingroup rpmdb
* sort the iterator by (recnum, filenum)
* Return database iterator.
* @param mi rpm database iterator
*/
void rpmdbSortIterator(rpmdbMatchIterator mi);
/** \ingroup rpmdb
* Remove items from set of package instances to iterate.
* @note Sorted hdrNums are always passed in rpmlib.
* @param mi rpm database iterator
* @param hdrNums hash of package instances
* @return 0 on success, 1 on failure (bad args)
*/
int rpmdbPruneIterator(rpmdbMatchIterator mi, intHash hdrNums);
/** \ingroup rpmdb
* Create a new, empty match iterator (for purposes of extending it
* through other means)
* @param db rpm database
* @param dbitag database index tag
* @return empty match iterator
*/
RPM_GNUC_INTERNAL
rpmdbMatchIterator rpmdbNewIterator(rpmdb db, rpmDbiTagVal dbitag);
#ifndef __APPLE__
/**
* * Mergesort, same arguments as qsort(2).
* */
RPM_GNUC_INTERNAL
int mergesort(void *base, size_t nmemb, size_t size,
int (*cmp) (const void *, const void *));
#else
/* mergesort is defined in stdlib.h on Mac OS X */
#endif /* __APPLE__ */
#ifdef __cplusplus
}
#endif
#endif
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