mirror of
https://github.com/php/php-src.git
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303 lines
6.8 KiB
C
303 lines
6.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2012 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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| Authors: Marcus Boerger <helly@php.net> |
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| 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_DB4
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#include "php_db4.h"
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#include <sys/stat.h>
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#include <string.h>
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#ifdef DB4_INCLUDE_FILE
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#include DB4_INCLUDE_FILE
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#else
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#include <db.h>
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#endif
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static void php_dba_db4_errcall_fcn(
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#if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3))
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const DB_ENV *dbenv,
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#endif
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const char *errpfx, const char *msg)
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{
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TSRMLS_FETCH();
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#if (DB_VERSION_MAJOR == 5 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 8))
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/* Bug 51086, Berkeley DB 4.8.26 */
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/* This code suppresses a BDB 4.8+ error message, thus keeping PHP test compatibility */
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{
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char *function = get_active_function_name(TSRMLS_C);
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if (function && (!strcmp(function,"dba_popen") || !strcmp(function,"dba_open"))
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&& (!strncmp(msg, "fop_read_meta", sizeof("fop_read_meta")-1)
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|| !strncmp(msg, "BDB0004 fop_read_meta", sizeof("BDB0004 fop_read_meta")-1))) {
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return;
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}
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}
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#endif
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php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%s%s", errpfx?errpfx:"", msg);
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}
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#define DB4_DATA dba_db4_data *dba = info->dbf
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#define DB4_GKEY \
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DBT gkey; \
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memset(&gkey, 0, sizeof(gkey)); \
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gkey.data = (char *) key; gkey.size = keylen
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typedef struct {
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DB *dbp;
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DBC *cursor;
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} dba_db4_data;
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DBA_OPEN_FUNC(db4)
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{
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DB *dbp = NULL;
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DBTYPE type;
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int gmode = 0, err;
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int filemode = 0644;
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struct stat check_stat;
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int s = VCWD_STAT(info->path, &check_stat);
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#if (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 7) /* Bug 51086 */
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if (!s && !check_stat.st_size) {
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info->mode = DBA_TRUNC; /* force truncate */
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}
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type = info->mode == DBA_READER ? DB_UNKNOWN :
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info->mode == DBA_TRUNC ? DB_BTREE :
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s ? DB_BTREE : DB_UNKNOWN;
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gmode = info->mode == DBA_READER ? DB_RDONLY :
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(info->mode == DBA_CREAT && s) ? DB_CREATE :
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(info->mode == DBA_CREAT && !s) ? 0 :
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info->mode == DBA_WRITER ? 0 :
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info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1;
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#else
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if (!s && !check_stat.st_size) {
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info->mode = DBA_CREAT; /* force creation */
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}
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type = info->mode == DBA_READER ? DB_UNKNOWN :
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(info->mode == DBA_TRUNC || info->mode == DBA_CREAT) ? DB_BTREE :
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s ? DB_BTREE : DB_UNKNOWN;
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gmode = info->mode == DBA_READER ? DB_RDONLY :
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info->mode == DBA_CREAT ? DB_CREATE :
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info->mode == DBA_WRITER ? 0 :
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info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1;
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#endif
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if (gmode == -1) {
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return FAILURE; /* not possible */
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}
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if (info->flags & DBA_PERSISTENT) {
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gmode |= DB_THREAD;
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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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if ((err=db_create(&dbp, NULL, 0)) == 0) {
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dbp->set_errcall(dbp, php_dba_db4_errcall_fcn);
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if (
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#if (DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1))
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(err=dbp->open(dbp, 0, info->path, NULL, type, gmode, filemode)) == 0) {
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#else
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(err=dbp->open(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
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#endif
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dba_db4_data *data;
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data = pemalloc(sizeof(*data), info->flags&DBA_PERSISTENT);
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data->dbp = dbp;
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data->cursor = NULL;
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info->dbf = data;
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return SUCCESS;
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} else {
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dbp->close(dbp, 0);
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*error = db_strerror(err);
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}
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} else {
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*error = db_strerror(err);
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}
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return FAILURE;
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}
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DBA_CLOSE_FUNC(db4)
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{
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DB4_DATA;
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if (dba->cursor) dba->cursor->c_close(dba->cursor);
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dba->dbp->close(dba->dbp, 0);
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pefree(dba, info->flags&DBA_PERSISTENT);
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}
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DBA_FETCH_FUNC(db4)
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{
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DBT gval;
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char *new = NULL;
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DB4_DATA;
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DB4_GKEY;
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memset(&gval, 0, sizeof(gval));
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if (info->flags & DBA_PERSISTENT) {
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gval.flags |= DB_DBT_MALLOC;
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}
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if (!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
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if (newlen) *newlen = gval.size;
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new = estrndup(gval.data, gval.size);
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if (info->flags & DBA_PERSISTENT) {
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free(gval.data);
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}
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}
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return new;
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}
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DBA_UPDATE_FUNC(db4)
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{
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DBT gval;
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DB4_DATA;
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DB4_GKEY;
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memset(&gval, 0, sizeof(gval));
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gval.data = (char *) val;
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gval.size = vallen;
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if (!dba->dbp->put(dba->dbp, NULL, &gkey, &gval,
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mode == 1 ? DB_NOOVERWRITE : 0)) {
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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_EXISTS_FUNC(db4)
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{
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DBT gval;
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DB4_DATA;
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DB4_GKEY;
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memset(&gval, 0, sizeof(gval));
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if (info->flags & DBA_PERSISTENT) {
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gval.flags |= DB_DBT_MALLOC;
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}
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if (!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
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if (info->flags & DBA_PERSISTENT) {
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free(gval.data);
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}
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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(db4)
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{
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DB4_DATA;
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DB4_GKEY;
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return dba->dbp->del(dba->dbp, NULL, &gkey, 0) ? FAILURE : SUCCESS;
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}
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DBA_FIRSTKEY_FUNC(db4)
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{
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DB4_DATA;
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if (dba->cursor) {
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dba->cursor->c_close(dba->cursor);
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}
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dba->cursor = NULL;
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if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor, 0) != 0) {
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return NULL;
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}
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/* we should introduce something like PARAM_PASSTHRU... */
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return dba_nextkey_db4(info, newlen TSRMLS_CC);
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}
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DBA_NEXTKEY_FUNC(db4)
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{
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DB4_DATA;
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DBT gkey, gval;
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char *nkey = NULL;
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memset(&gkey, 0, sizeof(gkey));
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memset(&gval, 0, sizeof(gval));
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if (info->flags & DBA_PERSISTENT) {
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gkey.flags |= DB_DBT_MALLOC;
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gval.flags |= DB_DBT_MALLOC;
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}
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if (dba->cursor && dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT) == 0) {
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if (gkey.data) {
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nkey = estrndup(gkey.data, gkey.size);
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if (newlen) *newlen = gkey.size;
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}
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if (info->flags & DBA_PERSISTENT) {
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if (gkey.data) {
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free(gkey.data);
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}
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if (gval.data) {
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free(gval.data);
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}
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}
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}
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return nkey;
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}
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DBA_OPTIMIZE_FUNC(db4)
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{
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return SUCCESS;
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}
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DBA_SYNC_FUNC(db4)
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{
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DB4_DATA;
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return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS;
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}
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DBA_INFO_FUNC(db4)
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{
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return estrdup(DB_VERSION_STRING);
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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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