mirror of
https://github.com/php/php-src.git
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189 lines
3.6 KiB
C
189 lines
3.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2002 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 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 at through the world-wide-web at |
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| http://www.php.net/license/2_02.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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/* $Id$ */
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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_DBM
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#include "php_dbm.h"
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#include <dbm.h>
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#include <unistd.h>
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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 DBM_DATA dba_dbm_data *dba = info->dbf
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#define DBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
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#define TRUNC_IT(extension, mode) \
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snprintf(buf, MAXPATHLEN, "%s" extension, info->path); \
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buf[MAXPATHLEN-1] = '\0'; \
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if((fd = VCWD_OPEN_MODE(buf, O_CREAT | mode | O_WRONLY, filemode)) == -1) \
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return FAILURE; \
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close(fd);
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typedef struct {
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datum nextkey;
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} dba_dbm_data;
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DBA_OPEN_FUNC(dbm)
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{
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int fd;
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int filemode = 0644;
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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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if(info->mode == DBA_TRUNC) {
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char buf[MAXPATHLEN];
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/* dbm/ndbm original */
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TRUNC_IT(".pag", O_TRUNC);
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TRUNC_IT(".dir", O_TRUNC);
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}
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if(info->mode == DBA_CREAT) {
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char buf[MAXPATHLEN];
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TRUNC_IT(".pag", 0);
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TRUNC_IT(".dir", 0);
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}
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if(dbminit((char *) info->path) == -1) {
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return FAILURE;
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}
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info->dbf = calloc(sizeof(dba_dbm_data), 1);
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return SUCCESS;
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}
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DBA_CLOSE_FUNC(dbm)
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{
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free(info->dbf);
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dbmclose();
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}
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DBA_FETCH_FUNC(dbm)
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{
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datum gval;
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char *new = NULL;
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DBM_GKEY;
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gval = fetch(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(dbm)
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{
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datum gval;
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DBM_GKEY;
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gval.dptr = (char *) val;
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gval.dsize = vallen;
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return (store(gkey, gval) == -1 ? FAILURE : SUCCESS);
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}
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DBA_EXISTS_FUNC(dbm)
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{
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datum gval;
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DBM_GKEY;
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gval = fetch(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(dbm)
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{
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DBM_GKEY;
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return(delete(gkey) == -1 ? FAILURE : SUCCESS);
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}
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DBA_FIRSTKEY_FUNC(dbm)
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{
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DBM_DATA;
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datum gkey;
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char *key = NULL;
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gkey = firstkey();
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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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dba->nextkey = gkey;
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} else
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dba->nextkey.dptr = NULL;
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return key;
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}
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DBA_NEXTKEY_FUNC(dbm)
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{
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DBM_DATA;
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datum gkey;
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char *nkey = NULL;
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if(!dba->nextkey.dptr) return NULL;
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gkey = nextkey(dba->nextkey);
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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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dba->nextkey = gkey;
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} else
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dba->nextkey.dptr = NULL;
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return nkey;
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}
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DBA_OPTIMIZE_FUNC(dbm)
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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(dbm)
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{
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return SUCCESS;
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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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