ru_php/ext/dba/dba_ndbm.c

154 lines
2.9 KiB
C

/*
+----------------------------------------------------------------------+
| Copyright © The PHP Group and Contributors. |
+----------------------------------------------------------------------+
| This source file is subject to the Modified BSD License that is |
| bundled with this package in the file LICENSE, and is available |
| through the World Wide Web at <https://www.php.net/license/>. |
| |
| SPDX-License-Identifier: BSD-3-Clause |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#ifdef DBA_NDBM
#include "php_ndbm.h"
#include <fcntl.h>
#ifdef NDBM_INCLUDE_FILE
#include NDBM_INCLUDE_FILE
#endif
DBA_OPEN_FUNC(ndbm)
{
DBM *dbf;
int gmode = 0;
int filemode = info->file_permission;
dba_info *pinfo = (dba_info *) info;
switch(info->mode) {
case DBA_READER:
gmode = O_RDONLY;
break;
case DBA_WRITER:
gmode = O_RDWR;
break;
case DBA_CREAT:
gmode = O_RDWR | O_CREAT;
break;
case DBA_TRUNC:
gmode = O_RDWR | O_CREAT | O_TRUNC;
break;
default:
return FAILURE; /* not possible */
}
dbf = dbm_open(ZSTR_VAL(info->path), gmode, filemode);
pinfo->dbf = dbf;
return SUCCESS;
}
DBA_CLOSE_FUNC(ndbm)
{
dbm_close(info->dbf);
}
DBA_FETCH_FUNC(ndbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = dbm_fetch(info->dbf, gkey);
if (gval.dptr) {
return zend_string_init(gval.dptr, gval.dsize, /* persistent */ false);
}
return NULL;
}
DBA_UPDATE_FUNC(ndbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval.dptr = ZSTR_VAL(val);
gval.dsize = ZSTR_LEN(val);
if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
return SUCCESS;
return FAILURE;
}
DBA_EXISTS_FUNC(ndbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = dbm_fetch(info->dbf, gkey);
if (gval.dptr) {
return SUCCESS;
}
return FAILURE;
}
DBA_DELETE_FUNC(ndbm)
{
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
}
DBA_FIRSTKEY_FUNC(ndbm)
{
datum gkey;
gkey = dbm_firstkey(info->dbf);
if (gkey.dptr) {
return zend_string_init(gkey.dptr, gkey.dsize, /* persistent */ false);
}
return NULL;
}
DBA_NEXTKEY_FUNC(ndbm)
{
datum gkey;
gkey = dbm_nextkey(info->dbf);
if (gkey.dptr) {
return zend_string_init(gkey.dptr, gkey.dsize, /* persistent */ false);
}
return NULL;
}
DBA_OPTIMIZE_FUNC(ndbm)
{
return SUCCESS;
}
DBA_SYNC_FUNC(ndbm)
{
return SUCCESS;
}
DBA_INFO_FUNC(ndbm)
{
return estrdup("NDBM");
}
#endif