1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 2.00 of the Zend license, | 8 | that is bundled with this package in the file LICENSE, and is | 9 | available through the world-wide-web at the following url: | 10 | http://www.zend.com/license/2_00.txt. | 11 | If you did not receive a copy of the Zend license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@zend.com so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Wez Furlong <wez@thebrainroom.com> | 16 | Scott MacVicar <scottmac@php.net> | 17 | Nuno Lopes <nlopess@php.net> | 18 | Marcus Boerger <helly@php.net> | 19 +----------------------------------------------------------------------+ 20 */ 21 22 /* $Id$ */ 23 24 #ifndef ZEND_STREAM_H 25 #define ZEND_STREAM_H 26 27 /* Lightweight stream implementation for the ZE scanners. 28 * These functions are private to the engine. 29 * */ 30 typedef size_t (*zend_stream_fsizer_t)(void* handle TSRMLS_DC); 31 typedef size_t (*zend_stream_reader_t)(void* handle, char *buf, size_t len TSRMLS_DC); 32 typedef void (*zend_stream_closer_t)(void* handle TSRMLS_DC); 33 34 #define ZEND_MMAP_AHEAD 32 35 36 typedef enum { 37 ZEND_HANDLE_FILENAME, 38 ZEND_HANDLE_FD, 39 ZEND_HANDLE_FP, 40 ZEND_HANDLE_STREAM, 41 ZEND_HANDLE_MAPPED 42 } zend_stream_type; 43 44 typedef struct _zend_mmap { 45 size_t len; 46 size_t pos; 47 void *map; 48 char *buf; 49 void *old_handle; 50 zend_stream_closer_t old_closer; 51 } zend_mmap; 52 53 typedef struct _zend_stream { 54 void *handle; 55 int isatty; 56 zend_mmap mmap; 57 zend_stream_reader_t reader; 58 zend_stream_fsizer_t fsizer; 59 zend_stream_closer_t closer; 60 } zend_stream; 61 62 typedef struct _zend_file_handle { 63 zend_stream_type type; 64 const char *filename; 65 char *opened_path; 66 union { 67 int fd; 68 FILE *fp; 69 zend_stream stream; 70 } handle; 71 zend_bool free_filename; 72 } zend_file_handle; 73 74 BEGIN_EXTERN_C() 75 ZEND_API int zend_stream_open(const char *filename, zend_file_handle *handle TSRMLS_DC); 76 ZEND_API int zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t *len TSRMLS_DC); 77 ZEND_API void zend_file_handle_dtor(zend_file_handle *fh TSRMLS_DC); 78 ZEND_API int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2); 79 END_EXTERN_C() 80 81 #endif 82
