Edit File: php_dba.h
/* +----------------------------------------------------------------------+ | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | https://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Sascha Schumann <sascha@schumann.cx> | +----------------------------------------------------------------------+ */ #ifndef PHP_DBA_H #define PHP_DBA_H #include "php_version.h" #define PHP_DBA_VERSION PHP_VERSION #ifdef HAVE_DBA typedef enum { /* do not allow 0 here */ DBA_READER = 1, DBA_WRITER, DBA_TRUNC, DBA_CREAT } dba_mode_t; typedef struct dba_lock { php_stream *fp; int mode; /* LOCK_EX,LOCK_SH */ } dba_lock; typedef struct dba_info { /* public */ void *dbf; /* ptr to private data or whatever */ char *path; dba_mode_t mode; php_stream *fp; /* this is the database stream for builtin handlers */ int fd; int file_permission; zend_long map_size; /* -1 for default driver flags */ zend_long driver_flags; /* private */ int flags; /* whether and how dba did locking and other flags*/ struct dba_handler *hnd; dba_lock lock; } dba_info; #define DBA_DEFAULT_DRIVER_FLAGS -1 #define DBA_LOCK_READER (0x0001) #define DBA_LOCK_WRITER (0x0002) #define DBA_LOCK_CREAT (0x0004) #define DBA_LOCK_TRUNC (0x0008) #define DBA_LOCK_EXT (0) #define DBA_LOCK_ALL (DBA_LOCK_READER|DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC) #define DBA_LOCK_WCT (DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC) #define DBA_STREAM_OPEN (0x0010) #define DBA_PERSISTENT (0x0020) #define DBA_CAST_AS_FD (0x0050) #define DBA_NO_APPEND (0x00D0) extern zend_module_entry dba_module_entry; #define dba_module_ptr &dba_module_entry typedef struct dba_handler { char *name; /* handler name */ int flags; /* whether and how dba does locking and other flags*/ zend_result (*open)(dba_info *, char **error); void (*close)(dba_info *); zend_string* (*fetch)(dba_info *, zend_string *, int); zend_result (*update)(dba_info *, zend_string *, zend_string *, int); zend_result (*exists)(dba_info *, zend_string *); zend_result (*delete)(dba_info *, zend_string *); zend_string* (*firstkey)(dba_info *); zend_string* (*nextkey)(dba_info *); zend_result (*optimize)(dba_info *); zend_result (*sync)(dba_info *); char* (*info)(struct dba_handler *hnd, dba_info *); /* dba_info==NULL: Handler info, dba_info!=NULL: Database info */ } dba_handler; /* common prototypes which must be supplied by modules */ #define DBA_OPEN_FUNC(x) \ zend_result dba_open_##x(dba_info *info, char **error) #define DBA_CLOSE_FUNC(x) \ void dba_close_##x(dba_info *info) #define DBA_FETCH_FUNC(x) \ zend_string *dba_fetch_##x(dba_info *info, zend_string *key, int skip) #define DBA_UPDATE_FUNC(x) \ zend_result dba_update_##x(dba_info *info, zend_string *key, zend_string *val, int mode) #define DBA_EXISTS_FUNC(x) \ zend_result dba_exists_##x(dba_info *info, zend_string *key) #define DBA_DELETE_FUNC(x) \ zend_result dba_delete_##x(dba_info *info, zend_string *key) #define DBA_FIRSTKEY_FUNC(x) \ zend_string *dba_firstkey_##x(dba_info *info) #define DBA_NEXTKEY_FUNC(x) \ zend_string *dba_nextkey_##x(dba_info *info) #define DBA_OPTIMIZE_FUNC(x) \ zend_result dba_optimize_##x(dba_info *info) #define DBA_SYNC_FUNC(x) \ zend_result dba_sync_##x(dba_info *info) #define DBA_INFO_FUNC(x) \ char *dba_info_##x(dba_handler *hnd, dba_info *info) #define DBA_FUNCS(x) \ DBA_OPEN_FUNC(x); \ DBA_CLOSE_FUNC(x); \ DBA_FETCH_FUNC(x); \ DBA_UPDATE_FUNC(x); \ DBA_DELETE_FUNC(x); \ DBA_EXISTS_FUNC(x); \ DBA_FIRSTKEY_FUNC(x); \ DBA_NEXTKEY_FUNC(x); \ DBA_OPTIMIZE_FUNC(x); \ DBA_SYNC_FUNC(x); \ DBA_INFO_FUNC(x) #else #define dba_module_ptr NULL #endif #define phpext_dba_ptr dba_module_ptr #endif