php-src/ext/dba/dba_ndbm.c
2022-04-01 14:38:44 +01:00

156 lines
3.1 KiB
C

/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| 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(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