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153 lines
4.8 KiB
C
153 lines
4.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2018 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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| Author: Sascha Schumann <sascha@schumann.cx> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_DBA_H
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#define PHP_DBA_H
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#include "php_version.h"
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#define PHP_DBA_VERSION PHP_VERSION
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#if HAVE_DBA
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typedef enum {
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/* do not allow 0 here */
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DBA_READER = 1,
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DBA_WRITER,
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DBA_TRUNC,
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DBA_CREAT
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} dba_mode_t;
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typedef struct dba_lock {
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php_stream *fp;
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char *name;
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int mode; /* LOCK_EX,LOCK_SH */
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} dba_lock;
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typedef struct dba_info {
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/* public */
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void *dbf; /* ptr to private data or whatever */
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char *path;
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dba_mode_t mode;
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php_stream *fp; /* this is the database stream for builtin handlers */
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int fd;
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/* arg[cv] are only available when the dba_open handler is called! */
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int argc;
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zval *argv;
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/* private */
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int flags; /* whether and how dba did locking and other flags*/
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struct dba_handler *hnd;
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dba_lock lock;
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} dba_info;
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#define DBA_LOCK_READER (0x0001)
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#define DBA_LOCK_WRITER (0x0002)
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#define DBA_LOCK_CREAT (0x0004)
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#define DBA_LOCK_TRUNC (0x0008)
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#define DBA_LOCK_EXT (0)
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#define DBA_LOCK_ALL (DBA_LOCK_READER|DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC)
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#define DBA_LOCK_WCT (DBA_LOCK_WRITER|DBA_LOCK_CREAT|DBA_LOCK_TRUNC)
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#define DBA_STREAM_OPEN (0x0010)
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#define DBA_PERSISTENT (0x0020)
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#define DBA_CAST_AS_FD (0x0050)
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#define DBA_NO_APPEND (0x00D0)
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extern zend_module_entry dba_module_entry;
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#define dba_module_ptr &dba_module_entry
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typedef struct dba_handler {
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char *name; /* handler name */
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int flags; /* whether and how dba does locking and other flags*/
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int (*open)(dba_info *, char **error);
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void (*close)(dba_info *);
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char* (*fetch)(dba_info *, char *, size_t, int, size_t *);
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int (*update)(dba_info *, char *, size_t, char *, size_t, int);
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int (*exists)(dba_info *, char *, size_t);
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int (*delete)(dba_info *, char *, size_t);
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char* (*firstkey)(dba_info *, size_t *);
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char* (*nextkey)(dba_info *, size_t *);
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int (*optimize)(dba_info *);
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int (*sync)(dba_info *);
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char* (*info)(struct dba_handler *hnd, dba_info *);
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/* dba_info==NULL: Handler info, dba_info!=NULL: Database info */
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} dba_handler;
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/* common prototypes which must be supplied by modules */
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#define DBA_OPEN_FUNC(x) \
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int dba_open_##x(dba_info *info, char **error)
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#define DBA_CLOSE_FUNC(x) \
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void dba_close_##x(dba_info *info)
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#define DBA_FETCH_FUNC(x) \
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char *dba_fetch_##x(dba_info *info, char *key, size_t keylen, int skip, size_t *newlen)
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#define DBA_UPDATE_FUNC(x) \
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int dba_update_##x(dba_info *info, char *key, size_t keylen, char *val, size_t vallen, int mode)
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#define DBA_EXISTS_FUNC(x) \
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int dba_exists_##x(dba_info *info, char *key, size_t keylen)
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#define DBA_DELETE_FUNC(x) \
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int dba_delete_##x(dba_info *info, char *key, size_t keylen)
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#define DBA_FIRSTKEY_FUNC(x) \
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char *dba_firstkey_##x(dba_info *info, size_t *newlen)
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#define DBA_NEXTKEY_FUNC(x) \
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char *dba_nextkey_##x(dba_info *info, size_t *newlen)
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#define DBA_OPTIMIZE_FUNC(x) \
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int dba_optimize_##x(dba_info *info)
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#define DBA_SYNC_FUNC(x) \
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int dba_sync_##x(dba_info *info)
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#define DBA_INFO_FUNC(x) \
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char *dba_info_##x(dba_handler *hnd, dba_info *info)
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#define DBA_FUNCS(x) \
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DBA_OPEN_FUNC(x); \
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DBA_CLOSE_FUNC(x); \
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DBA_FETCH_FUNC(x); \
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DBA_UPDATE_FUNC(x); \
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DBA_DELETE_FUNC(x); \
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DBA_EXISTS_FUNC(x); \
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DBA_FIRSTKEY_FUNC(x); \
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DBA_NEXTKEY_FUNC(x); \
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DBA_OPTIMIZE_FUNC(x); \
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DBA_SYNC_FUNC(x); \
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DBA_INFO_FUNC(x)
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PHP_FUNCTION(dba_open);
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PHP_FUNCTION(dba_popen);
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PHP_FUNCTION(dba_close);
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PHP_FUNCTION(dba_firstkey);
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PHP_FUNCTION(dba_nextkey);
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PHP_FUNCTION(dba_replace);
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PHP_FUNCTION(dba_insert);
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PHP_FUNCTION(dba_delete);
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PHP_FUNCTION(dba_exists);
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PHP_FUNCTION(dba_fetch);
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PHP_FUNCTION(dba_optimize);
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PHP_FUNCTION(dba_sync);
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PHP_FUNCTION(dba_handlers);
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PHP_FUNCTION(dba_list);
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PHP_FUNCTION(dba_key_split);
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#else
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#define dba_module_ptr NULL
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#endif
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#define phpext_dba_ptr dba_module_ptr
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#endif
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