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Viewing changes to ext/dba/dba_flatfile.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_flatfile.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   |
 
12
   | obtain it through the world-wide-web, please send a note to          |
 
13
   | license@php.net so we can mail you a copy immediately.               |
 
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   +----------------------------------------------------------------------+
 
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   | Author: Marcus Boerger <helly@php.net>                               |
 
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   +----------------------------------------------------------------------+
 
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 */
 
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/* $Id: dba_flatfile.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_FLATFILE
 
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#include "php_flatfile.h"
 
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#include "libflatfile/flatfile.h"
 
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#ifdef HAVE_UNISTD_H
 
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#include <unistd.h>
 
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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 FLATFILE_DATA flatfile *dba = info->dbf
 
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#define FLATFILE_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
 
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DBA_OPEN_FUNC(flatfile)
 
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{
 
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        info->dbf = pemalloc(sizeof(flatfile), info->flags&DBA_PERSISTENT);
 
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        memset(info->dbf, 0, sizeof(flatfile));
 
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        ((flatfile*)info->dbf)->fp = info->fp;
 
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        return SUCCESS;
 
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}
 
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DBA_CLOSE_FUNC(flatfile)
 
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{
 
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        FLATFILE_DATA;
 
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        if (dba->nextkey.dptr) {
 
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                efree(dba->nextkey.dptr);
 
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        }
 
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        pefree(dba, info->flags&DBA_PERSISTENT);
 
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}
 
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DBA_FETCH_FUNC(flatfile)
 
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{
 
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        datum gval;
 
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        char *new = NULL;
 
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        FLATFILE_DATA;
 
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        FLATFILE_GKEY;
 
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        gval = flatfile_fetch(dba, gkey TSRMLS_CC);
 
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        if (gval.dptr) {
 
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                if (newlen) {
 
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                        *newlen = gval.dsize;
 
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                }
 
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                new = estrndup(gval.dptr, gval.dsize);
 
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                efree(gval.dptr);
 
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        }
 
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        return new;
 
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}
 
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DBA_UPDATE_FUNC(flatfile)
 
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{
 
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        datum gval;
 
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        FLATFILE_DATA;
 
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        FLATFILE_GKEY;
 
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        gval.dptr = (char *) val;
 
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        gval.dsize = vallen;
 
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        switch(flatfile_store(dba, gkey, gval, mode==1 ? FLATFILE_INSERT : FLATFILE_REPLACE TSRMLS_CC)) {
 
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        case -1:
 
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                php_error_docref1(NULL TSRMLS_CC, key, E_WARNING, "Operation not possible");
 
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                return FAILURE;
 
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        default:
 
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        case 0:
 
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                return SUCCESS;
 
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        case 1:
 
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                php_error_docref1(NULL TSRMLS_CC, key, E_WARNING, "Key already exists");
 
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                return SUCCESS;
 
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        }
 
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}
 
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DBA_EXISTS_FUNC(flatfile)
 
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{
 
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        datum gval;
 
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        FLATFILE_DATA;
 
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        FLATFILE_GKEY;
 
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        gval = flatfile_fetch(dba, gkey TSRMLS_CC);
 
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        if (gval.dptr) {
 
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                efree(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(flatfile)
 
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{
 
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        FLATFILE_DATA;
 
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        FLATFILE_GKEY;
 
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        return(flatfile_delete(dba, gkey TSRMLS_CC) == -1 ? FAILURE : SUCCESS);
 
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}
 
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DBA_FIRSTKEY_FUNC(flatfile)
 
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{
 
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        FLATFILE_DATA;
 
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        if (dba->nextkey.dptr) {
 
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                efree(dba->nextkey.dptr);
 
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        }
 
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        dba->nextkey = flatfile_firstkey(dba TSRMLS_CC);
 
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        if (dba->nextkey.dptr) {
 
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                if (newlen)  {
 
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                        *newlen = dba->nextkey.dsize;
 
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                }
 
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                return estrndup(dba->nextkey.dptr, dba->nextkey.dsize);
 
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        }
 
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        return NULL;
 
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}
 
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DBA_NEXTKEY_FUNC(flatfile)
 
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{
 
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        FLATFILE_DATA;
 
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        if (!dba->nextkey.dptr) {
 
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                return NULL;
 
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        }
 
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        if (dba->nextkey.dptr) {
 
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                efree(dba->nextkey.dptr);
 
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        }
 
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        dba->nextkey = flatfile_nextkey(dba TSRMLS_CC);
 
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        if (dba->nextkey.dptr) {
 
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                if (newlen) {
 
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                        *newlen = dba->nextkey.dsize;
 
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                }
 
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                return estrndup(dba->nextkey.dptr, dba->nextkey.dsize);
 
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        }
 
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        return NULL;
 
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}
 
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DBA_OPTIMIZE_FUNC(flatfile)
 
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{
 
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        /* dummy */
 
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        return SUCCESS;
 
166
}
 
167
 
 
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DBA_SYNC_FUNC(flatfile)
 
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{
 
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        /* dummy */
 
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        return SUCCESS;
 
172
}
 
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DBA_INFO_FUNC(flatfile)
 
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{
 
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        return estrdup(flatfile_version());
 
177
}
 
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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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 */