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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 2000 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id: dba_ndbm.c,v 1.16 2000/07/10 10:15:36 sas Exp $ */
#include "php.h"
#if DBA_NDBM
#include "php3_ndbm.h"
#include <fcntl.h>
#if NDBM_DB1_NDBM_H
#include <db1/ndbm.h>
#elif NDBM_NDBM_H
#include <ndbm.h>
#endif
#define NDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
DBA_OPEN_FUNC(ndbm)
{
DBM *dbf;
int gmode = 0;
int filemode = 0644;
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;
}
if(info->argc > 0) {
convert_to_long(info->argv[0]);
filemode = info->argv[0]->value.lval;
}
dbf = dbm_open(info->path, gmode, filemode);
if(dbf) {
pinfo->dbf = dbf;
return SUCCESS;
}
return FAILURE;
}
DBA_CLOSE_FUNC(ndbm)
{
dbm_close(info->dbf);
}
DBA_FETCH_FUNC(ndbm)
{
datum gval;
char *new = NULL;
NDBM_GKEY;
gval = dbm_fetch(info->dbf, gkey);
if(gval.dptr) {
if(newlen) *newlen = gval.dsize;
new = estrndup(gval.dptr, gval.dsize);
}
return new;
}
DBA_UPDATE_FUNC(ndbm)
{
datum gval;
NDBM_GKEY;
gval.dptr = (char *) val;
gval.dsize = vallen;
if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
return SUCCESS;
return FAILURE;
}
DBA_EXISTS_FUNC(ndbm)
{
datum gval;
NDBM_GKEY;
gval = dbm_fetch(info->dbf, gkey);
if(gval.dptr) {
return SUCCESS;
}
return FAILURE;
}
DBA_DELETE_FUNC(ndbm)
{
NDBM_GKEY;
return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
}
DBA_FIRSTKEY_FUNC(ndbm)
{
datum gkey;
char *key = NULL;
gkey = dbm_firstkey(info->dbf);
if(gkey.dptr) {
if(newlen) *newlen = gkey.dsize;
key = estrndup(gkey.dptr, gkey.dsize);
}
return key;
}
DBA_NEXTKEY_FUNC(ndbm)
{
datum gkey;
char *nkey = NULL;
gkey = dbm_nextkey(info->dbf);
if(gkey.dptr) {
if(newlen) *newlen = gkey.dsize;
nkey = estrndup(gkey.dptr, gkey.dsize);
}
return nkey;
}
DBA_OPTIMIZE_FUNC(ndbm)
{
return SUCCESS;
}
DBA_SYNC_FUNC(ndbm)
{
return SUCCESS;
}
#endif
|
