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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr.h"
#include "apr_errno.h"
#include "apr_pools.h"
#include "apr_strings.h"
#define APR_WANT_MEMFUNC
#define APR_WANT_STRFUNC
#include "apr_want.h"
#include "apr_general.h"
#include "apu.h"
#include "apu_select_dbm.h"
#include "apr_dbm.h"
#include "apr_dbm_private.h"
/* ### note: the setting of DBM_VTABLE will go away once we have multiple
### DBMs in here.
### Well, that day is here. So, do we remove DBM_VTABLE and the old
### API entirely? Oh, what to do. We need an APU_DEFAULT_DBM #define.
### Sounds like a job for autoconf. */
#if APU_USE_SDBM
#define DBM_VTABLE apr_dbm_type_sdbm
#elif APU_USE_GDBM
#define DBM_VTABLE apr_dbm_type_gdbm
#elif APU_USE_DB
#define DBM_VTABLE apr_dbm_type_db
#elif APU_USE_NDBM
#define DBM_VTABLE apr_dbm_type_ndbm
#else /* Not in the USE_xDBM list above */
#error a DBM implementation was not specified
#endif
APU_DECLARE(apr_status_t) apr_dbm_open_ex(apr_dbm_t **pdb, const char*type,
const char *pathname,
apr_int32_t mode, apr_fileperms_t perm,
apr_pool_t *pool)
{
#if APU_HAVE_GDBM
if (!strcasecmp(type, "GDBM")) {
return (*apr_dbm_type_gdbm.open)(pdb, pathname, mode, perm, pool);
}
#endif
#if APU_HAVE_SDBM
if (!strcasecmp(type, "SDBM")) {
return (*apr_dbm_type_sdbm.open)(pdb, pathname, mode, perm, pool);
}
#endif
#if APU_HAVE_DB
if (!strcasecmp(type, "DB")) {
return (*apr_dbm_type_db.open)(pdb, pathname, mode, perm, pool);
}
#endif
#if APU_HAVE_NDBM
if (!strcasecmp(type, "NDBM")) {
return (*apr_dbm_type_ndbm.open)(pdb, pathname, mode, perm, pool);
}
#endif
if (!strcasecmp(type, "default")) {
return (*DBM_VTABLE.open)(pdb, pathname, mode, perm, pool);
}
return APR_ENOTIMPL;
}
APU_DECLARE(apr_status_t) apr_dbm_open(apr_dbm_t **pdb, const char *pathname,
apr_int32_t mode, apr_fileperms_t perm,
apr_pool_t *pool)
{
return (*DBM_VTABLE.open)(pdb, pathname, mode, perm, pool);
}
APU_DECLARE(void) apr_dbm_close(apr_dbm_t *dbm)
{
(*dbm->type->close)(dbm);
}
APU_DECLARE(apr_status_t) apr_dbm_fetch(apr_dbm_t *dbm, apr_datum_t key,
apr_datum_t *pvalue)
{
return (*dbm->type->fetch)(dbm, key, pvalue);
}
APU_DECLARE(apr_status_t) apr_dbm_store(apr_dbm_t *dbm, apr_datum_t key,
apr_datum_t value)
{
return (*dbm->type->store)(dbm, key, value);
}
APU_DECLARE(apr_status_t) apr_dbm_delete(apr_dbm_t *dbm, apr_datum_t key)
{
return (*dbm->type->del)(dbm, key);
}
APU_DECLARE(int) apr_dbm_exists(apr_dbm_t *dbm, apr_datum_t key)
{
return (*dbm->type->exists)(dbm, key);
}
APU_DECLARE(apr_status_t) apr_dbm_firstkey(apr_dbm_t *dbm, apr_datum_t *pkey)
{
return (*dbm->type->firstkey)(dbm, pkey);
}
APU_DECLARE(apr_status_t) apr_dbm_nextkey(apr_dbm_t *dbm, apr_datum_t *pkey)
{
return (*dbm->type->nextkey)(dbm, pkey);
}
APU_DECLARE(void) apr_dbm_freedatum(apr_dbm_t *dbm, apr_datum_t data)
{
(*dbm->type->freedatum)(dbm, data);
}
APU_DECLARE(char *) apr_dbm_geterror(apr_dbm_t *dbm, int *errcode,
char *errbuf, apr_size_t errbufsize)
{
if (errcode != NULL)
*errcode = dbm->errcode;
/* assert: errbufsize > 0 */
if (dbm->errmsg == NULL)
*errbuf = '\0';
else
(void) apr_cpystrn(errbuf, dbm->errmsg, errbufsize);
return errbuf;
}
APU_DECLARE(apr_status_t) apr_dbm_get_usednames_ex(apr_pool_t *p,
const char *type,
const char *pathname,
const char **used1,
const char **used2)
{
#if APU_HAVE_GDBM
if (!strcasecmp(type, "GDBM")) {
(*apr_dbm_type_gdbm.getusednames)(p,pathname,used1,used2);
return APR_SUCCESS;
}
#endif
#if APU_HAVE_SDBM
if (!strcasecmp(type, "SDBM")) {
(*apr_dbm_type_sdbm.getusednames)(p,pathname,used1,used2);
return APR_SUCCESS;
}
#endif
#if APU_HAVE_DB
if (!strcasecmp(type, "DB")) {
(*apr_dbm_type_db.getusednames)(p,pathname,used1,used2);
return APR_SUCCESS;
}
#endif
#if APU_HAVE_NDBM
if (!strcasecmp(type, "NDBM")) {
(*apr_dbm_type_ndbm.getusednames)(p,pathname,used1,used2);
return APR_SUCCESS;
}
#endif
if (!strcasecmp(type, "default")) {
(*DBM_VTABLE.getusednames)(p, pathname, used1, used2);
return APR_SUCCESS;
}
return APR_ENOTIMPL;
}
APU_DECLARE(void) apr_dbm_get_usednames(apr_pool_t *p,
const char *pathname,
const char **used1,
const char **used2)
{
/* ### one day, a DBM type name will be passed and we'll need to look it
### up. for now, it is constant. */
(*DBM_VTABLE.getusednames)(p, pathname, used1, used2);
}
/* Most DBM libraries take a POSIX mode for creating files. Don't trust
* the mode_t type, some platforms may not support it, int is safe.
*/
APU_DECLARE(int) apr_posix_perms2mode(apr_fileperms_t perm)
{
int mode = 0;
mode |= 0700 & (perm >> 2); /* User is off-by-2 bits */
mode |= 0070 & (perm >> 1); /* Group is off-by-1 bit */
mode |= 0007 & (perm); /* World maps 1 for 1 */
return mode;
}
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