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190 lines
4.5 KiB
C
190 lines
4.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 3.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1999 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of one of the following licenses: |
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| A) the GNU General Public License as published by the Free Software |
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| Foundation; either version 2 of the License, or (at your option) |
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| any later version. |
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| |
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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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+----------------------------------------------------------------------+
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| Authors: Sascha Schumann <sas@schell.de> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#if DBA_GDBM
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#include "php_gdbm.h"
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#include <gdbm.h>
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#define GDBM_DATA dba_gdbm_data *dba = info->dbf
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#define GDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
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typedef struct {
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GDBM_FILE dbf;
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datum nextkey;
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} dba_gdbm_data;
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DBA_OPEN_FUNC(gdbm)
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{
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GDBM_FILE dbf;
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int gmode = 0;
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int filemode = 0644;
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gmode = info->mode == DBA_READER ? GDBM_READER :
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info->mode == DBA_WRITER ? GDBM_WRITER :
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info->mode == DBA_CREAT ? GDBM_WRCREAT :
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info->mode == DBA_TRUNC ? GDBM_NEWDB : -1;
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if(gmode == -1)
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return FAILURE;
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if(info->argc > 0) {
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convert_to_long_ex(info->argv[0]);
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filemode = (*info->argv[0])->value.lval;
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}
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dbf = gdbm_open(info->path, 0, gmode, filemode, NULL);
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if(dbf) {
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info->dbf = malloc(sizeof(dba_gdbm_data));
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memset(info->dbf, 0, sizeof(dba_gdbm_data));
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((dba_gdbm_data *) info->dbf)->dbf = dbf;
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return SUCCESS;
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}
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return FAILURE;
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}
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DBA_CLOSE_FUNC(gdbm)
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{
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GDBM_DATA;
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if(dba->nextkey.dptr) free(dba->nextkey.dptr);
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gdbm_close(dba->dbf);
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free(dba);
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}
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DBA_FETCH_FUNC(gdbm)
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{
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GDBM_DATA;
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datum gval;
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char *new = NULL;
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GDBM_GKEY;
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gval = gdbm_fetch(dba->dbf, gkey);
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if(gval.dptr) {
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if(newlen) *newlen = gval.dsize;
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new = estrndup(gval.dptr, gval.dsize);
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free(gval.dptr);
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}
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return new;
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}
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DBA_UPDATE_FUNC(gdbm)
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{
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datum gval;
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GDBM_DATA;
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GDBM_GKEY;
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gval.dptr = (char *) val;
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gval.dsize = vallen;
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if(gdbm_store(dba->dbf, gkey, gval,
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mode == 1 ? GDBM_INSERT : GDBM_REPLACE) == 0)
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return SUCCESS;
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printf("XXX %s\n", gdbm_strerror(gdbm_errno));
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return FAILURE;
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}
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DBA_EXISTS_FUNC(gdbm)
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{
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GDBM_DATA;
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GDBM_GKEY;
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return gdbm_exists(dba->dbf, gkey) ? SUCCESS : FAILURE;
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}
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DBA_DELETE_FUNC(gdbm)
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{
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GDBM_DATA;
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GDBM_GKEY;
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return gdbm_delete(dba->dbf, gkey) == -1 ? FAILURE : SUCCESS;
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}
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DBA_FIRSTKEY_FUNC(gdbm)
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{
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GDBM_DATA;
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datum gkey;
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char *key = NULL;
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if(dba->nextkey.dptr) {
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free(dba->nextkey.dptr);
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}
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gkey = gdbm_firstkey(dba->dbf);
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if(gkey.dptr) {
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key = estrndup(gkey.dptr, gkey.dsize);
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if(newlen) *newlen = gkey.dsize;
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dba->nextkey = gkey;
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} else {
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dba->nextkey.dptr = NULL;
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}
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return key;
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}
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DBA_NEXTKEY_FUNC(gdbm)
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{
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GDBM_DATA;
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char *nkey = NULL;
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datum gkey;
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if(!dba->nextkey.dptr) return NULL;
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gkey = gdbm_nextkey(dba->dbf, dba->nextkey);
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free(dba->nextkey.dptr);
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if(gkey.dptr) {
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nkey = estrndup(gkey.dptr, gkey.dsize);
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if(newlen) *newlen = gkey.dsize;
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dba->nextkey = gkey;
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} else {
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dba->nextkey.dptr = NULL;
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}
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return nkey;
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}
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DBA_OPTIMIZE_FUNC(gdbm)
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{
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GDBM_DATA;
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gdbm_reorganize(dba->dbf);
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return SUCCESS;
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}
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DBA_SYNC_FUNC(gdbm)
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{
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GDBM_DATA;
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gdbm_sync(dba->dbf);
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return SUCCESS;
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}
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#endif
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