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Viewing changes to ext/dba/dba_ndbm.c

  • Committer: Bazaar Package Importer
  • Author(s): Adam Conrad
  • Date: 2005-10-09 03:14:32 UTC
  • Revision ID: james.westby@ubuntu.com-20051009031432-kspik3lobxstafv9
Tags: upstream-5.0.5
Import upstream version 5.0.5

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ext/dba/dba_ndbm.c
 
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/*
 
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   +----------------------------------------------------------------------+
 
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   | PHP Version 5                                                        |
 
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   +----------------------------------------------------------------------+
 
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   | Copyright (c) 1997-2004 The PHP Group                                |
 
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   +----------------------------------------------------------------------+
 
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   | This source file is subject to version 3.0 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_0.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: Sascha Schumann <sascha@schumann.cx>                         |
 
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   +----------------------------------------------------------------------+
 
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 */
 
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/* $Id: dba_ndbm.c,v 1.18 2004/01/08 08:14:39 andi Exp $ */
 
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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_NDBM
 
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#include "php_ndbm.h"
 
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#include <fcntl.h>
 
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#ifdef NDBM_INCLUDE_FILE
 
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#include NDBM_INCLUDE_FILE
 
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#endif
 
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#define NDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
 
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DBA_OPEN_FUNC(ndbm)
 
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{
 
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        DBM *dbf;
 
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        int gmode = 0;
 
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        int filemode = 0644;
 
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        dba_info *pinfo = (dba_info *) info;
 
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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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        if(info->argc > 0) {
 
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                convert_to_long_ex(info->argv[0]);
 
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                filemode = Z_LVAL_PP(info->argv[0]);
 
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        }
 
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        dbf = dbm_open(info->path, gmode, filemode);
 
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        pinfo->dbf = dbf;
 
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        return SUCCESS;
 
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}
 
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DBA_CLOSE_FUNC(ndbm)
 
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{
 
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        dbm_close(info->dbf);
 
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}
 
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DBA_FETCH_FUNC(ndbm)
 
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{
 
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        datum gval;
 
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        char *new = NULL;
 
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        NDBM_GKEY;
 
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        gval = dbm_fetch(info->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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        }
 
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        return new;
 
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}
 
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DBA_UPDATE_FUNC(ndbm)
 
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{
 
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        datum gval;
 
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        NDBM_GKEY;
 
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        gval.dptr = (char *) val;
 
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        gval.dsize = vallen;
 
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        if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
 
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                return SUCCESS;
 
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        return FAILURE;
 
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}
 
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DBA_EXISTS_FUNC(ndbm)
 
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{
 
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        datum gval;
 
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        NDBM_GKEY;
 
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        gval = dbm_fetch(info->dbf, gkey);
 
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        if(gval.dptr) {
 
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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_DELETE_FUNC(ndbm)
 
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{
 
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        NDBM_GKEY;
 
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        return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
 
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}
 
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DBA_FIRSTKEY_FUNC(ndbm)
 
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{
 
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        datum gkey;
 
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        char *key = NULL;
 
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        gkey = dbm_firstkey(info->dbf);
 
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        if(gkey.dptr) {
 
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                if(newlen) *newlen = gkey.dsize;
 
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                key = estrndup(gkey.dptr, gkey.dsize);
 
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        }
 
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        return key;
 
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}
 
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DBA_NEXTKEY_FUNC(ndbm)
 
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{
 
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        datum gkey;
 
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        char *nkey = NULL;
 
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        gkey = dbm_nextkey(info->dbf);
 
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        if(gkey.dptr) {
 
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                if(newlen) *newlen = gkey.dsize;
 
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                nkey = estrndup(gkey.dptr, gkey.dsize);
 
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        }
 
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        return nkey;
 
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}
 
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DBA_OPTIMIZE_FUNC(ndbm)
 
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{
 
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        return SUCCESS;
 
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}
 
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DBA_SYNC_FUNC(ndbm)
 
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{
 
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        return SUCCESS;
 
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}
 
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DBA_INFO_FUNC(ndbm)
 
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{
 
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        return estrdup("NDBM");
 
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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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 */