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195 lines
3.9 KiB
C
195 lines
3.9 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2018 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Shen Cheng-Da <cdsheen@gmail.com> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#if DBA_DB1
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#include "php_db1.h"
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#ifdef DB1_INCLUDE_FILE
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#include DB1_INCLUDE_FILE
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define DB1_DATA dba_db1_data *dba = info->dbf
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#define DB1_GKEY DBT gkey; gkey.data = (char *) key; gkey.size = keylen
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typedef struct {
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DB *dbp;
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} dba_db1_data;
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DBA_OPEN_FUNC(db1)
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{
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dba_db1_data *dba;
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DB *db;
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int gmode;
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int filemode = 0644;
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if (info->argc > 0) {
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filemode = zval_get_long(&info->argv[0]);
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}
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gmode = 0;
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switch (info->mode) {
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case DBA_READER:
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gmode = O_RDONLY;
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break;
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case DBA_WRITER:
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gmode = O_RDWR;
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break;
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case DBA_CREAT:
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gmode = O_RDWR | O_CREAT;
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break;
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case DBA_TRUNC:
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gmode = O_RDWR | O_CREAT | O_TRUNC;
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break;
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default:
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return FAILURE; /* not possible */
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}
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db = dbopen((char *)info->path, gmode, filemode, DB_HASH, NULL);
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if (db == NULL) {
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return FAILURE;
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}
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dba = pemalloc(sizeof(*dba), info->flags&DBA_PERSISTENT);
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dba->dbp = db;
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info->dbf = dba;
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return SUCCESS;
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}
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DBA_CLOSE_FUNC(db1)
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{
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DB1_DATA;
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dba->dbp->close(dba->dbp);
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pefree(info->dbf, info->flags&DBA_PERSISTENT);
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}
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DBA_FETCH_FUNC(db1)
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{
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DBT gval;
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DB1_DATA;
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DB1_GKEY;
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memset(&gval, 0, sizeof(gval));
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if (dba->dbp->get(dba->dbp, &gkey, &gval, 0) == RET_SUCCESS) {
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if (newlen) *newlen = gval.size;
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return estrndup(gval.data, gval.size);
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}
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return NULL;
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}
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DBA_UPDATE_FUNC(db1)
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{
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DBT gval;
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DB1_DATA;
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DB1_GKEY;
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gval.data = (char *) val;
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gval.size = vallen;
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return dba->dbp->put(dba->dbp, &gkey, &gval, mode == 1 ? R_NOOVERWRITE : 0) != RET_SUCCESS ? FAILURE : SUCCESS;
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}
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DBA_EXISTS_FUNC(db1)
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{
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DBT gval;
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DB1_DATA;
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DB1_GKEY;
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return dba->dbp->get(dba->dbp, &gkey, &gval, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
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}
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DBA_DELETE_FUNC(db1)
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{
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DB1_DATA;
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DB1_GKEY;
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return dba->dbp->del(dba->dbp, &gkey, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
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}
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DBA_FIRSTKEY_FUNC(db1)
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{
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DBT gkey;
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DBT gval;
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DB1_DATA;
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memset(&gkey, 0, sizeof(gkey));
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memset(&gval, 0, sizeof(gval));
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if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_FIRST) == RET_SUCCESS) {
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if (newlen) *newlen = gkey.size;
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return estrndup(gkey.data, gkey.size);
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}
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return NULL;
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}
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DBA_NEXTKEY_FUNC(db1)
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{
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DBT gkey;
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DBT gval;
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DB1_DATA;
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memset(&gkey, 0, sizeof(gkey));
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memset(&gval, 0, sizeof(gval));
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if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_NEXT) == RET_SUCCESS) {
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if (newlen) *newlen = gkey.size;
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return estrndup(gkey.data, gkey.size);
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}
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return NULL;
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}
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DBA_OPTIMIZE_FUNC(db1)
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{
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/* dummy */
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return SUCCESS;
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}
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DBA_SYNC_FUNC(db1)
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{
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return SUCCESS;
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}
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DBA_INFO_FUNC(db1)
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{
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return estrdup(DB1_VERSION);
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}
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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