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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Wez Furlong <wez@thebrainroom.com> |
| Scott MacVicar <scottmac@php.net> |
| Nuno Lopes <nlopess@php.net> |
| Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef ZEND_STREAM_H
#define ZEND_STREAM_H
/* Lightweight stream implementation for the ZE scanners.
* These functions are private to the engine.
* */
typedef size_t (*zend_stream_fsizer_t)(void* handle TSRMLS_DC);
typedef size_t (*zend_stream_reader_t)(void* handle, char *buf, size_t len TSRMLS_DC);
typedef void (*zend_stream_closer_t)(void* handle TSRMLS_DC);
#define ZEND_MMAP_AHEAD 32
typedef enum {
ZEND_HANDLE_FILENAME,
ZEND_HANDLE_FD,
ZEND_HANDLE_FP,
ZEND_HANDLE_STREAM,
ZEND_HANDLE_MAPPED
} zend_stream_type;
typedef struct _zend_mmap {
size_t len;
size_t pos;
void *map;
char *buf;
void *old_handle;
zend_stream_closer_t old_closer;
} zend_mmap;
typedef struct _zend_stream {
void *handle;
int isatty;
zend_mmap mmap;
zend_stream_reader_t reader;
zend_stream_fsizer_t fsizer;
zend_stream_closer_t closer;
} zend_stream;
typedef struct _zend_file_handle {
zend_stream_type type;
char *filename;
char *opened_path;
union {
int fd;
FILE *fp;
zend_stream stream;
} handle;
zend_bool free_filename;
} zend_file_handle;
BEGIN_EXTERN_C()
ZEND_API int zend_stream_open(const char *filename, zend_file_handle *handle TSRMLS_DC);
ZEND_API int zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t *len TSRMLS_DC);
ZEND_API void zend_file_handle_dtor(zend_file_handle *fh TSRMLS_DC);
ZEND_API int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2);
END_EXTERN_C()
#endif
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