php-src/ext/dba/dba_qdbm.c
2014-01-03 11:08:10 +08:00

197 lines
3.8 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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: Marcin Gibula <mg@iceni.pl> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if DBA_QDBM
#include "php_qdbm.h"
#ifdef QDBM_INCLUDE_FILE
#include QDBM_INCLUDE_FILE
#endif
#define QDBM_DATA dba_qdbm_data *dba = info->dbf
typedef struct {
DEPOT *dbf;
} dba_qdbm_data;
DBA_OPEN_FUNC(qdbm)
{
DEPOT *dbf;
switch(info->mode) {
case DBA_READER:
dbf = dpopen(info->path, DP_OREADER, 0);
break;
case DBA_WRITER:
dbf = dpopen(info->path, DP_OWRITER, 0);
break;
case DBA_CREAT:
dbf = dpopen(info->path, DP_OWRITER | DP_OCREAT, 0);
break;
case DBA_TRUNC:
dbf = dpopen(info->path, DP_OWRITER | DP_OCREAT | DP_OTRUNC, 0);
break;
default:
return FAILURE;
}
if (dbf) {
info->dbf = pemalloc(sizeof(dba_qdbm_data), info->flags & DBA_PERSISTENT);
memset(info->dbf, 0, sizeof(dba_qdbm_data));
((dba_qdbm_data *) info->dbf)->dbf = dbf;
return SUCCESS;
}
*error = (char *) dperrmsg(dpecode);
return FAILURE;
}
DBA_CLOSE_FUNC(qdbm)
{
QDBM_DATA;
dpclose(dba->dbf);
pefree(dba, info->flags & DBA_PERSISTENT);
}
DBA_FETCH_FUNC(qdbm)
{
QDBM_DATA;
char *value, *new = NULL;
int value_size;
value = dpget(dba->dbf, key, keylen, 0, -1, &value_size);
if (value) {
if (newlen) *newlen = value_size;
new = estrndup(value, value_size);
free(value);
}
return new;
}
DBA_UPDATE_FUNC(qdbm)
{
QDBM_DATA;
if (dpput(dba->dbf, key, keylen, val, vallen, mode == 1 ? DP_DKEEP : DP_DOVER)) {
return SUCCESS;
}
if (dpecode != DP_EKEEP) {
php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "%s", dperrmsg(dpecode));
}
return FAILURE;
}
DBA_EXISTS_FUNC(qdbm)
{
QDBM_DATA;
char *value;
value = dpget(dba->dbf, key, keylen, 0, -1, NULL);
if (value) {
free(value);
return SUCCESS;
}
return FAILURE;
}
DBA_DELETE_FUNC(qdbm)
{
QDBM_DATA;
return dpout(dba->dbf, key, keylen) ? SUCCESS : FAILURE;
}
DBA_FIRSTKEY_FUNC(qdbm)
{
QDBM_DATA;
int value_size;
char *value, *new = NULL;
dpiterinit(dba->dbf);
value = dpiternext(dba->dbf, &value_size);
if (value) {
if (newlen) *newlen = value_size;
new = estrndup(value, value_size);
free(value);
}
return new;
}
DBA_NEXTKEY_FUNC(qdbm)
{
QDBM_DATA;
int value_size;
char *value, *new = NULL;
value = dpiternext(dba->dbf, &value_size);
if (value) {
if (newlen) *newlen = value_size;
new = estrndup(value, value_size);
free(value);
}
return new;
}
DBA_OPTIMIZE_FUNC(qdbm)
{
QDBM_DATA;
dpoptimize(dba->dbf, 0);
return SUCCESS;
}
DBA_SYNC_FUNC(qdbm)
{
QDBM_DATA;
dpsync(dba->dbf);
return SUCCESS;
}
DBA_INFO_FUNC(qdbm)
{
return estrdup(dpversion);
}
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/