rpm/lib/db3.c

842 lines
19 KiB
C

#include "system.h"
static int _debug = 1; /* XXX if < 0 debugging, > 0 unusual error returns */
#include <db3/db.h>
#include <rpmlib.h>
#include <rpmmacro.h>
#include "dbindex.h"
/*@access dbiIndex@*/
/*@access dbiIndexSet@*/
#if DB_VERSION_MAJOR == 3
#define __USE_DB3 1
extern int __do_dbenv_remove; /* XXX in dbindex.c, shared with rebuilddb.c */
/* XXX dbenv parameters */
static int db_lorder = 0; /* 0 is native order */
static void (*db_errcall) (const char *db_errpfx, char *buffer) = NULL;
static FILE * db_errfile = NULL;
static const char * db_errpfx = "rpmdb";
static int db_verbose = 1;
static int dbmp_mmapsize = 16 * 1024 * 1024; /* XXX db2 default: 10 Mb */
static int dbmp_size = 2 * 1024 * 1024; /* XXX db2 default: 128 Kb */
/* XXX dbinfo parameters */
static int db_cachesize = 0;
static int db_pagesize = 0; /* 512 - 64K, 0 is fs blksize */
static void * (*db_malloc) (size_t nbytes) = NULL;
static u_int32_t (*dbh_hash) (const void *, u_int32_t) = NULL;
static u_int32_t dbh_ffactor = 0; /* db1 default: 8 */
static u_int32_t dbh_nelem = 0; /* db1 default: 1 */
static u_int32_t dbh_flags = 0;
#define _mymemset(_a, _b, _c) memset((_a), (_b), (_c))
static inline DBTYPE dbi_to_dbtype(DBI_TYPE dbitype)
{
switch(dbitype) {
case DBI_BTREE: return DB_BTREE;
case DBI_HASH: return DB_HASH;
case DBI_RECNO: return DB_RECNO;
}
/*@notreached@*/ return DB_HASH;
}
static inline /*@observer@*/ /*@null@*/ DB * GetDB(dbiIndex dbi) {
return ((DB *)dbi->dbi_db);
}
typedef struct DBO {
const char * name;
int val;
} DBO_t;
DBO_t dbOptions[] = {
#if defined(DB_RECOVER)
{ "recover", DB_RECOVER },
#endif
#if defined(DB_RECOVER_FATAL)
{ "recover_fatal", DB_RECOVER_FATAL },
#endif
#if defined(DB_CREATE)
{ "create", DB_CREATE },
#endif
#if defined(DB_LOCKDOWN)
{ "lockdown", DB_LOCKDOWN },
#endif
#if defined(DB_INIT_CDB)
{ "cdb", DB_INIT_CDB },
#endif
#if defined(DB_INIT_LOCK)
{ "lock", DB_INIT_LOCK },
#endif
#if defined(DB_INIT_LOG)
{ "log", DB_INIT_LOG },
#endif
#if defined(DB_INIT_MPOOL)
{ "mpool", DB_INIT_MPOOL },
#endif
#if defined(DB_INIT_TXN)
{ "txn", DB_INIT_TXN },
#endif
#if defined(DB_NOMMAP)
{ "nommap", DB_NOMMAP },
#endif
#if defined(DB_PRIVATE)
{ "private", DB_PRIVATE },
#endif
#if defined(DB_SYSTEM_MEM)
{ "shared", DB_SYSTEM_MEM },
#endif
#if defined(DB_THREAD)
{ "thread", DB_THREAD },
#endif
#if defined(DB_TXN_NOSYNC)
{ "txn_nosync", DB_TXN_NOSYNC },
#endif
{ NULL, 0 }
};
static int dbiOpenFlags(void)
{
char * dbopts = rpmExpand("%{_db3_flags}", NULL);
int dbflags = 0;
if (dbopts && *dbopts && *dbopts != '%') {
char *o, *oe;
dbflags = 0;
for (o = dbopts; o != NULL; o = oe) {
DBO_t *dbo;
if ((oe = strchr(o, ':')) != NULL)
*oe++ = '\0';
if (*o == '\0')
continue;
for (dbo = dbOptions; dbo->name != NULL; dbo++) {
if (strcmp(o, dbo->name))
continue;
dbflags |= dbo->val;
break;
}
if (dbo->name == NULL)
fprintf(stderr, _("dbiOpenFlags: unrecognized db option: \"%s\" ignored\n"), o);
}
}
free(dbopts);
return dbflags;
}
static const char *const prDbiOpenFlags(int dbflags)
{
static char buf[256];
DBO_t *dbo;
char * oe;
oe = buf;
*oe = '\0';
for (dbo = dbOptions; dbo->name != NULL; dbo++) {
if ((dbflags & dbo->val) != dbo->val)
continue;
if (oe != buf)
*oe++ = ':';
oe = stpcpy(oe, dbo->name);
dbflags &= ~dbo->val;
}
if (dbflags) {
if (oe != buf)
*oe++ = ':';
sprintf(oe, "0x%x", dbflags);
}
return buf;
}
#if defined(__USE_DB2) || defined(__USE_DB3)
#if defined(__USE_DB2)
static /*@observer@*/ const char * db_strerror(int error)
{
if (error == 0)
return ("Successful return: 0");
if (error > 0)
return (strerror(error));
switch (error) {
case DB_INCOMPLETE:
return ("DB_INCOMPLETE: Cache flush was unable to complete");
case DB_KEYEMPTY:
return ("DB_KEYEMPTY: Non-existent key/data pair");
case DB_KEYEXIST:
return ("DB_KEYEXIST: Key/data pair already exists");
case DB_LOCK_DEADLOCK:
return ("DB_LOCK_DEADLOCK: Locker killed to resolve a deadlock");
case DB_LOCK_NOTGRANTED:
return ("DB_LOCK_NOTGRANTED: Lock not granted");
case DB_NOTFOUND:
return ("DB_NOTFOUND: No matching key/data pair found");
#if defined(__USE_DB3)
case DB_OLD_VERSION:
return ("DB_OLDVERSION: Database requires a version upgrade");
case DB_RUNRECOVERY:
return ("DB_RUNRECOVERY: Fatal error, run database recovery");
#else
case DB_LOCK_NOTHELD:
return ("DB_LOCK_NOTHELD:");
case DB_REGISTERED:
return ("DB_REGISTERED:");
#endif
default:
{
/*
* !!!
* Room for a 64-bit number + slop. This buffer is only used
* if we're given an unknown error, which should never happen.
* Note, however, we're no longer thread-safe if it does.
*/
static char ebuf[40];
(void)snprintf(ebuf, sizeof(ebuf), "Unknown error: %d", error);
return(ebuf);
}
}
/*@notreached@*/
}
static int db_env_create(DB_ENV **dbenvp, int foo)
{
DB_ENV *dbenv;
if (dbenvp == NULL)
return 1;
dbenv = xcalloc(1, sizeof(*dbenv));
*dbenvp = dbenv;
return 0;
}
#endif /* __USE_DB2 */
static int cvtdberr(dbiIndex dbi, const char * msg, int error, int printit) {
int rc = 0;
if (error == 0)
rc = 0;
else if (error < 0)
rc = 1;
else if (error > 0)
rc = -1;
if (printit && rc) {
fprintf(stderr, "*** db%d %s rc %d %s\n", dbi->dbi_major, msg,
rc, db_strerror(error));
}
return rc;
}
static int db_fini(dbiIndex dbi)
{
DB_ENV * dbenv = (DB_ENV *)dbi->dbi_dbenv;
#if defined(__USE_DB3)
char **dbconfig = NULL;
char * dbhome;
char * dbfile;
int rc;
if (dbenv == NULL) {
dbi->dbi_dbenv = NULL;
return 0;
}
dbhome = alloca(strlen(dbi->dbi_file) + 1);
strcpy(dbhome, dbi->dbi_file);
dbfile = strrchr(dbhome, '/');
if (dbfile)
*dbfile++ = '\0';
else
dbfile = dbhome;
rc = dbenv->close(dbenv, 0);
rc = cvtdberr(dbi, "dbenv->close", rc, _debug);
if (__do_dbenv_remove < 0)
__do_dbenv_remove = rpmExpandNumeric("%{_db3_dbenv_remove}");
if (__do_dbenv_remove) {
int xx;
xx = db_env_create(&dbenv, 0);
xx = cvtdberr(dbi, "db_env_create", rc, _debug);
xx = dbenv->remove(dbenv, dbhome, dbconfig, 0);
xx = cvtdberr(dbi, "dbenv->remove", rc, _debug);
}
#else
rc = db_appexit(dbenv);
rc = cvtdberr(dbi, "db_appexit", rc, _debug);
free(dbenv);
#endif
dbi->dbi_dbenv = NULL;
return rc;
}
static int db_init(dbiIndex dbi, const char *dbhome, int dbflags,
DB_ENV **dbenvp)
{
DB_ENV *dbenv = NULL;
int mydbopenflags;
int rc;
if (dbenvp == NULL)
return 1;
if (db_errfile == NULL)
db_errfile = stderr;
rc = db_env_create(&dbenv, 0);
rc = cvtdberr(dbi, "db_env_create", rc, _debug);
if (rc)
goto errxit;
#if defined(__USE_DB3)
{ int xx;
dbenv->set_errcall(dbenv, db_errcall);
dbenv->set_errfile(dbenv, db_errfile);
dbenv->set_errpfx(dbenv, db_errpfx);
/* dbenv->set_paniccall(???) */
dbenv->set_verbose(dbenv, DB_VERB_CHKPOINT, db_verbose);
dbenv->set_verbose(dbenv, DB_VERB_DEADLOCK, db_verbose);
dbenv->set_verbose(dbenv, DB_VERB_RECOVERY, db_verbose);
dbenv->set_verbose(dbenv, DB_VERB_WAITSFOR, db_verbose);
/* dbenv->set_lg_max(???) */
/* dbenv->set_lk_conflicts(???) */
/* dbenv->set_lk_detect(???) */
/* dbenv->set_lk_max(???) */
xx = dbenv->set_mp_mmapsize(dbenv, dbmp_mmapsize);
xx = cvtdberr(dbi, "dbenv->set_mp_mmapsize", xx, _debug);
xx = dbenv->set_cachesize(dbenv, 0, dbmp_size, 0);
xx = cvtdberr(dbi, "dbenv->set_cachesize", xx, _debug);
/* dbenv->set_tx_max(???) */
/* dbenv->set_tx_recover(???) */
}
#else
dbenv->db_errcall = db_errcall;
dbenv->db_errfile = db_errfile;
dbenv->db_errpfx = db_errpfx;
dbenv->db_verbose = db_verbose;
dbenv->mp_mmapsize = dbmp_mmapsize; /* XXX default is 10 Mb */
dbenv->mp_size = dbmp_size; /* XXX default is 128 Kb */
#endif
#define _DBFMASK (DB_CREATE)
mydbopenflags = (dbflags & _DBFMASK) | dbiOpenFlags();
#if defined(__USE_DB3)
rc = dbenv->open(dbenv, dbhome, NULL, mydbopenflags, dbi->dbi_perms);
rc = cvtdberr(dbi, "dbenv->open", rc, _debug);
if (rc)
goto errxit;
#else
rc = db_appinit(dbhome, NULL, dbenv, mydbopenflags);
rc = cvtdberr(dbi, "db_appinit", rc, _debug);
if (rc)
goto errxit;
#endif
*dbenvp = dbenv;
if (_debug < 0)
fprintf(stderr, "*** dbenv: %s (%s)\n", dbhome, prDbiOpenFlags(mydbopenflags));
return 0;
errxit:
#if defined(__USE_DB3)
if (dbenv) {
int xx;
xx = dbenv->close(dbenv, 0);
xx = cvtdberr(dbi, "dbenv->close", xx, _debug);
}
#else
if (dbenv) free(dbenv);
#endif
return rc;
}
#endif /* __USE_DB2 || __USE_DB3 */
static int db3sync(dbiIndex dbi, unsigned int flags)
{
DB * db = GetDB(dbi);
int rc;
#if defined(__USE_DB2) || defined(__USE_DB3)
rc = db->sync(db, flags);
rc = cvtdberr(dbi, "db->sync", rc, _debug);
#else
rc = db->sync(db, flags);
#endif
return rc;
}
union _dbswap {
unsigned int ui;
unsigned char uc[4];
};
#define _DBSWAP(_a) \
{ unsigned char _b, *_c = (_a).uc; \
_b = _c[3]; _c[3] = _c[0]; _c[0] = _b; \
_b = _c[2]; _c[2] = _c[1]; _c[1] = _b; \
}
static int db3SearchIndex(dbiIndex dbi, const void * str, size_t len,
dbiIndexSet * set)
{
DBT key, data;
DB * db = GetDB(dbi);
int _printit;
int rc;
if (set) *set = NULL;
if (len == 0) len = strlen(str);
_mymemset(&key, 0, sizeof(key));
_mymemset(&data, 0, sizeof(data));
key.data = (void *)str;
key.size = len;
data.data = NULL;
data.size = 0;
#if defined(__USE_DB2) || defined(__USE_DB3)
rc = db->get(db, NULL, &key, &data, 0);
_printit = (rc == DB_NOTFOUND ? 0 : _debug);
rc = cvtdberr(dbi, "db->get", rc, _printit);
#else
rc = db->get(db, &key, &data, 0);
#endif
if (rc == 0 && set) {
int _dbbyteswapped = db->get_byteswapped(db);
const char * sdbir = data.data;
int i;
*set = dbiCreateIndexSet();
(*set)->count = data.size / sizeof(struct _dbiIR);
(*set)->recs = xmalloc((*set)->count * sizeof(*((*set)->recs)));
/* Convert to database internal format */
for (i = 0; i < (*set)->count; i++) {
union _dbswap recOffset, fileNumber;
memcpy(&recOffset.ui, sdbir, sizeof(recOffset.ui));
sdbir += sizeof(recOffset.ui);
memcpy(&fileNumber.ui, sdbir, sizeof(fileNumber.ui));
sdbir += sizeof(fileNumber.ui);
if (_dbbyteswapped) {
_DBSWAP(recOffset);
_DBSWAP(fileNumber);
}
(*set)->recs[i].recOffset = recOffset.ui;
(*set)->recs[i].fileNumber = fileNumber.ui;
(*set)->recs[i].fpNum = 0;
(*set)->recs[i].dbNum = 0;
}
}
return rc;
}
/*@-compmempass@*/
static int db3UpdateIndex(dbiIndex dbi, const char * str, dbiIndexSet set)
{
DBT key;
DBT data;
DB * db = GetDB(dbi);
int rc;
_mymemset(&key, 0, sizeof(key));
_mymemset(&data, 0, sizeof(data));
key.data = (void *)str;
key.size = strlen(str);
if (set->count) {
#if defined(__USE_DB2) || defined(__USE_DB3)
int _dbbyteswapped = db->get_byteswapped(db);
DBIR_t dbir = alloca(set->count * sizeof(*dbir));
int i;
/* Convert to database internal format */
for (i = 0; i < set->count; i++) {
union _dbswap recOffset, fileNumber;
recOffset.ui = set->recs[i].recOffset;
fileNumber.ui = set->recs[i].fileNumber;
if (_dbbyteswapped) {
_DBSWAP(recOffset);
_DBSWAP(fileNumber);
}
dbir[i].recOffset = recOffset.ui;
dbir[i].fileNumber = fileNumber.ui;
}
{
data.data = dbir;
data.size = set->count * sizeof(*dbir);
rc = db->put(db, NULL, &key, &data, 0);
rc = cvtdberr(dbi, "db->put", rc, _debug);
}
#else
rc = db->put(db, &key, &data, 0);
#endif
} else {
#if defined(__USE_DB2) || defined(__USE_DB3)
{
rc = db->del(db, NULL, &key, 0);
rc = cvtdberr(dbi, "db->del", rc, _debug);
}
#else
rc = db->del(db, &key, 0);
#endif
}
return rc;
}
/*@=compmempass@*/
static int db3copen(dbiIndex dbi)
{
DBC * dbcursor;
int rc = 0;
if ((dbcursor = dbi->dbi_dbcursor) == NULL) {
DB * db = GetDB(dbi);
DB_TXN * txnid = NULL;
#if defined(__USE_DB3)
rc = db->cursor(db, txnid, &dbcursor, 0);
#else
rc = db->cursor(db, txnid, &dbcursor);
#endif
rc = cvtdberr(dbi, "db->cursor", rc, _debug);
if (rc == 0)
dbi->dbi_dbcursor = dbcursor;
}
dbi->dbi_lastoffset = 0;
return rc;
}
static int db3cclose(dbiIndex dbi)
{
DBC * dbcursor;
int rc = 0;
if ((dbcursor = dbi->dbi_dbcursor) != NULL) {
rc = dbcursor->c_close(dbcursor);
rc = cvtdberr(dbi, "dbcursor->c_close", rc, _debug);
dbi->dbi_dbcursor = NULL;
}
if ((dbcursor = dbi->dbi_dbjoin) != NULL) {
rc = dbcursor->c_close(dbcursor);
rc = cvtdberr(dbi, "dbcursor->c_close", rc, _debug);
dbi->dbi_dbjoin = NULL;
}
dbi->dbi_lastoffset = 0;
return rc;
}
static int db3join(dbiIndex dbi)
{
DB * db = GetDB(dbi);
int rc;
{ DBC * dbjoin;
DBC * dbcs[2];
dbcs[0] = dbi->dbi_dbcursor;
dbcs[1] = NULL;
rc = db->join(db, dbcs, &dbjoin, 0);
rc = cvtdberr(dbi, "db->join", rc, _debug);
if (rc == 0)
dbi->dbi_dbjoin = dbjoin;
}
return rc;
}
static int db3cget(dbiIndex dbi, void ** keyp, size_t * keylen,
void ** datap, size_t * datalen)
{
DBT key, data;
int rc;
if (keyp) *keyp = NULL;
if (keylen) *keylen = 0;
if (datap) *datap = NULL;
if (datalen) *datalen = 0;
_mymemset(&key, 0, sizeof(key));
_mymemset(&data, 0, sizeof(data));
{ DBC * dbcursor;
int _printit;
int xx;
if ((dbcursor = dbi->dbi_dbcursor) == NULL) {
rc = db3copen(dbi);
if (rc)
return rc;
dbcursor = dbi->dbi_dbcursor;
}
/* XXX db3 does DB_FIRST on uninitialized cursor */
rc = dbcursor->c_get(dbcursor, &key, &data, DB_NEXT);
_printit = _debug;
if (rc == DB_NOTFOUND) {
xx = db3cclose(dbi);
_printit = 0;
}
rc = cvtdberr(dbi, "dbcursor->c_get", rc, _printit);
if (rc == 0) {
if (keyp)
*keyp = key.data;
if (keylen)
*keylen = key.size;
if (datap)
*datap = data.data;
if (datalen)
*datalen = data.size;
}
}
return rc;
}
static int db3get(dbiIndex dbi, void * keyp, size_t keylen,
void ** datap, size_t * datalen)
{
DB_TXN * txnid = NULL;
DBT key, data;
DB * db = GetDB(dbi);
int rc;
if (datap) *datap = NULL;
if (datalen) *datalen = 0;
_mymemset(&key, 0, sizeof(key));
_mymemset(&data, 0, sizeof(data));
{ int _printit;
key.data = keyp;
key.size = keylen;
rc = db->get(db, txnid, &key, &data, 0);
_printit = (rc == DB_NOTFOUND ? 0 : _debug);
rc = cvtdberr(dbi, "db->get", rc, _printit);
}
if (rc == 0) {
if (datap)
*datap = data.data;
if (datalen)
*datalen = data.size;
}
return rc;
}
static int db3put(dbiIndex dbi, void * keyp, size_t keylen,
void * datap, size_t datalen)
{
DB_TXN * txnid = NULL;
DBT key, data;
DB * db = GetDB(dbi);
int rc;
_mymemset(&key, 0, sizeof(key));
_mymemset(&data, 0, sizeof(data));
key.data = keyp;
key.size = keylen;
data.data = datap;
data.size = datalen;
rc = db->put(db, txnid, &key, &data, 0);
rc = cvtdberr(dbi, "db->get", rc, _debug);
return rc;
}
static int db3del(dbiIndex dbi, void * keyp, size_t keylen)
{
DB_TXN * txnid = NULL;
DBT key;
DB * db = GetDB(dbi);
int rc;
_mymemset(&key, 0, sizeof(key));
key.data = keyp;
key.size = keylen;
rc = db->del(db, txnid, &key, 0);
rc = cvtdberr(dbi, "db->del", rc, _debug);
return rc;
}
static int db3close(dbiIndex dbi, unsigned int flags)
{
DB * db = GetDB(dbi);
int rc = 0, xx;
#if defined(__USE_DB2) || defined(__USE_DB3)
if (dbi->dbi_dbcursor)
db3cclose(dbi);
if (db) {
rc = db->close(db, 0);
rc = cvtdberr(dbi, "db->close", rc, _debug);
db = dbi->dbi_db = NULL;
}
if (dbi->dbi_dbinfo) {
free(dbi->dbi_dbinfo);
dbi->dbi_dbinfo = NULL;
}
xx = db_fini(dbi);
#else
rc = db->close(db);
#endif
dbi->dbi_db = NULL;
return rc;
}
static int db3open(dbiIndex dbi)
{
int rc = 0;
#if defined(__USE_DB2) || defined(__USE_DB3)
DB * db = NULL;
char * dbhome;
char * dbfile;
u_int32_t dbflags;
DB_ENV * dbenv = NULL;
int __do_dbcursor_rmw = 0;
dbhome = alloca(strlen(dbi->dbi_file) + 1);
strcpy(dbhome, dbi->dbi_file);
dbfile = strrchr(dbhome, '/');
if (dbfile)
*dbfile++ = '\0';
else
dbfile = dbhome;
dbflags = ( !(dbi->dbi_flags & O_RDWR) ? DB_RDONLY :
((dbi->dbi_flags & O_CREAT) ? DB_CREATE : 0));
rc = db_init(dbi, dbhome, dbflags, &dbenv);
dbi->dbi_dbinfo = NULL;
if (rc == 0) {
#if defined(__USE_DB3)
rc = db_create(&db, dbenv, 0);
rc = cvtdberr(dbi, "db_create", rc, _debug);
if (rc == 0) {
if (db_lorder) {
rc = db->set_lorder(db, db_lorder);
rc = cvtdberr(dbi, "db->set_lorder", rc, _debug);
}
if (db_cachesize) {
rc = db->set_cachesize(db, 0, db_cachesize, 0);
rc = cvtdberr(dbi, "db->set_cachesize", rc, _debug);
}
if (db_pagesize) {
rc = db->set_pagesize(db, db_pagesize);
rc = cvtdberr(dbi, "db->set_pagesize", rc, _debug);
}
if (db_malloc) {
rc = db->set_malloc(db, db_malloc);
rc = cvtdberr(dbi, "db->set_malloc", rc, _debug);
}
if (dbflags & DB_CREATE) {
rc = db->set_h_ffactor(db, dbh_ffactor);
rc = cvtdberr(dbi, "db->set_h_ffactor", rc, _debug);
rc = db->set_h_hash(db, dbh_hash);
rc = cvtdberr(dbi, "db->set_h_hash", rc, _debug);
rc = db->set_h_nelem(db, dbh_nelem);
rc = cvtdberr(dbi, "db->set_h_nelem", rc, _debug);
rc = db->set_flags(db, dbh_flags);
rc = cvtdberr(dbi, "db->set_flags", rc, _debug);
}
dbi->dbi_dbinfo = NULL;
rc = db->open(db, "packages.db3", dbfile, dbi_to_dbtype(dbi->dbi_type),
dbflags, dbi->dbi_perms);
rc = cvtdberr(dbi, "db->open", rc, _debug);
__do_dbcursor_rmw = rpmExpandNumeric("%{_db3_dbcursor_rmw}");
if (__do_dbcursor_rmw) {
DBC * dbcursor = NULL;
int xx;
xx = db->cursor(db, NULL, &dbcursor,
((dbflags & DB_RDONLY) ? 0 : DB_WRITECURSOR));
xx = cvtdberr(dbi, "db->cursor", xx, _debug);
dbi->dbi_dbcursor = dbcursor;
} else
dbi->dbi_dbcursor = NULL;
}
#else
{ DB_INFO * dbinfo = xcalloc(1, sizeof(*dbinfo));
dbinfo->db_cachesize = db_cachesize;
dbinfo->db_lorder = db_lorder;
dbinfo->db_pagesize = db_pagesize;
dbinfo->db_malloc = db_malloc;
if (dbflags & DB_CREATE) {
dbinfo->h_ffactor = dbh_ffactor;
dbinfo->h_hash = dbh_hash;
dbinfo->h_nelem = dbh_nelem;
dbinfo->flags = dbh_flags;
}
dbi->dbi_dbinfo = dbinfo;
rc = db_open(dbfile, dbi_to_dbtype(dbi->dbi_type), dbflags,
dbi->dbi_perms, dbenv, dbinfo, &db);
rc = cvtdberr(dbi, "db_open", rc, _debug);
}
#endif /* __USE_DB3 */
}
dbi->dbi_db = db;
dbi->dbi_dbenv = dbenv;
#else
void * dbopeninfo = NULL;
dbi->dbi_db = dbopen(dbfile, dbi->dbi_flags, dbi->dbi_perms,
dbi_to_dbtype(dbi->dbi_type), dbopeninfo);
#endif /* __USE_DB2 || __USE_DB3 */
if (rc == 0 && dbi->dbi_db != NULL) {
rc = 0;
if (_debug < 0)
fprintf(stderr, "*** db%dopen: %s\n", dbi->dbi_major, dbfile);
} else {
rc = 1;
}
return rc;
}
struct _dbiVec db3vec = {
DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH,
db3open, db3close, db3sync, db3SearchIndex, db3UpdateIndex,
db3del, db3get, db3put, db3copen, db3cclose, db3join, db3cget
};
#endif /* DB_VERSION_MAJOR == 3 */