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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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: |
| http://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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if DBA_GDBM
#include "php_gdbm.h"
#ifdef GDBM_INCLUDE_FILE
#include GDBM_INCLUDE_FILE
#endif
#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; /* not possible */
if(info->argc > 0) {
convert_to_long_ex(info->argv[0]);
filemode = Z_LVAL_PP(info->argv[0]);
}
dbf = gdbm_open(info->path, 0, gmode, filemode, NULL);
if(dbf) {
info->dbf = pemalloc(sizeof(dba_gdbm_data), info->flags&DBA_PERSISTENT);
memset(info->dbf, 0, sizeof(dba_gdbm_data));
((dba_gdbm_data *) info->dbf)->dbf = dbf;
return SUCCESS;
}
*error = gdbm_strerror(gdbm_errno);
return FAILURE;
}
DBA_CLOSE_FUNC(gdbm)
{
GDBM_DATA;
if(dba->nextkey.dptr) free(dba->nextkey.dptr);
gdbm_close(dba->dbf);
pefree(dba, info->flags&DBA_PERSISTENT);
}
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;
switch (gdbm_store(dba->dbf, gkey, gval, mode == 1 ? GDBM_INSERT : GDBM_REPLACE)) {
case 0:
return SUCCESS;
case 1:
return FAILURE;
case -1:
php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "%s", gdbm_strerror(gdbm_errno));
return FAILURE;
default:
php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "Unknown return value");
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;
}
DBA_INFO_FUNC(gdbm)
{
return estrdup(gdbm_version);
}
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
