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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1999 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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#if DBA_GDBM
#include "php_gdbm.h"
#include <gdbm.h>
#define GDBM_DATA dba_gdbm_data *dba = info->dbf
#define GDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
typedef struct {
GDBM_FILE dbf;
datum nextkey;
} dba_gdbm_data;
DBA_OPEN_FUNC(gdbm)
{
GDBM_FILE dbf;
int gmode = 0;
int filemode = 0644;
gmode = info->mode == DBA_READER ? GDBM_READER :
info->mode == DBA_WRITER ? GDBM_WRITER :
info->mode == DBA_CREAT ? GDBM_WRCREAT :
info->mode == DBA_TRUNC ? GDBM_NEWDB : -1;
if(gmode == -1)
return FAILURE;
if(info->argc > 0) {
convert_to_long_ex(info->argv[0]);
filemode = (*info->argv[0])->value.lval;
}
dbf = gdbm_open(info->path, 0, gmode, filemode, NULL);
if(dbf) {
info->dbf = malloc(sizeof(dba_gdbm_data));
memset(info->dbf, 0, sizeof(dba_gdbm_data));
((dba_gdbm_data *) info->dbf)->dbf = dbf;
return SUCCESS;
}
return FAILURE;
}
DBA_CLOSE_FUNC(gdbm)
{
GDBM_DATA;
if(dba->nextkey.dptr) free(dba->nextkey.dptr);
gdbm_close(dba->dbf);
free(dba);
}
DBA_FETCH_FUNC(gdbm)
{
GDBM_DATA;
datum gval;
char *new = NULL;
GDBM_GKEY;
gval = gdbm_fetch(dba->dbf, gkey);
if(gval.dptr) {
if(newlen) *newlen = gval.dsize;
new = estrndup(gval.dptr, gval.dsize);
free(gval.dptr);
}
return new;
}
DBA_UPDATE_FUNC(gdbm)
{
datum gval;
GDBM_DATA;
GDBM_GKEY;
gval.dptr = (char *) val;
gval.dsize = vallen;
if(gdbm_store(dba->dbf, gkey, gval,
mode == 1 ? GDBM_INSERT : GDBM_REPLACE) == 0)
return SUCCESS;
printf("XXX %s\n", gdbm_strerror(gdbm_errno));
return FAILURE;
}
DBA_EXISTS_FUNC(gdbm)
{
GDBM_DATA;
GDBM_GKEY;
return gdbm_exists(dba->dbf, gkey) ? SUCCESS : FAILURE;
}
DBA_DELETE_FUNC(gdbm)
{
GDBM_DATA;
GDBM_GKEY;
return gdbm_delete(dba->dbf, gkey) == -1 ? FAILURE : SUCCESS;
}
DBA_FIRSTKEY_FUNC(gdbm)
{
GDBM_DATA;
datum gkey;
char *key = NULL;
if(dba->nextkey.dptr) {
free(dba->nextkey.dptr);
}
gkey = gdbm_firstkey(dba->dbf);
if(gkey.dptr) {
key = estrndup(gkey.dptr, gkey.dsize);
if(newlen) *newlen = gkey.dsize;
dba->nextkey = gkey;
} else {
dba->nextkey.dptr = NULL;
}
return key;
}
DBA_NEXTKEY_FUNC(gdbm)
{
GDBM_DATA;
char *nkey = NULL;
datum gkey;
if(!dba->nextkey.dptr) return NULL;
gkey = gdbm_nextkey(dba->dbf, dba->nextkey);
free(dba->nextkey.dptr);
if(gkey.dptr) {
nkey = estrndup(gkey.dptr, gkey.dsize);
if(newlen) *newlen = gkey.dsize;
dba->nextkey = gkey;
} else {
dba->nextkey.dptr = NULL;
}
return nkey;
}
DBA_OPTIMIZE_FUNC(gdbm)
{
GDBM_DATA;
gdbm_reorganize(dba->dbf);
return SUCCESS;
}
DBA_SYNC_FUNC(gdbm)
{
GDBM_DATA;
gdbm_sync(dba->dbf);
return SUCCESS;
}
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim: sw=4 ts=4 tw=78 fdm=marker
*/
|
