1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2018 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 #include <sys/types.h> 28 #include <sys/stat.h> 29 30 /* Lightweight stream implementation for the ZE scanners. 31 * These functions are private to the engine. 32 * */ 33 typedef size_t (*zend_stream_fsizer_t)(void* handle); 34 typedef size_t (*zend_stream_reader_t)(void* handle, char *buf, size_t len); 35 typedef void (*zend_stream_closer_t)(void* handle); 36 37 #define ZEND_MMAP_AHEAD 32 38 39 typedef enum { 40 ZEND_HANDLE_FILENAME, 41 ZEND_HANDLE_FD, 42 ZEND_HANDLE_FP, 43 ZEND_HANDLE_STREAM, 44 ZEND_HANDLE_MAPPED 45 } zend_stream_type; 46 47 typedef struct _zend_mmap { 48 size_t len; 49 size_t pos; 50 void *map; 51 char *buf; 52 void *old_handle; 53 zend_stream_closer_t old_closer; 54 } zend_mmap; 55 56 typedef struct _zend_stream { 57 void *handle; 58 int isatty; 59 zend_mmap mmap; 60 zend_stream_reader_t reader; 61 zend_stream_fsizer_t fsizer; 62 zend_stream_closer_t closer; 63 } zend_stream; 64 65 typedef struct _zend_file_handle { 66 union { 67 int fd; 68 FILE *fp; 69 zend_stream stream; 70 } handle; 71 const char *filename; 72 zend_string *opened_path; 73 zend_stream_type type; 74 zend_bool free_filename; 75 } zend_file_handle; 76 77 BEGIN_EXTERN_C() 78 ZEND_API int zend_stream_open(const char *filename, zend_file_handle *handle); 79 ZEND_API int zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t *len); 80 ZEND_API void zend_file_handle_dtor(zend_file_handle *fh); 81 ZEND_API int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2); 82 END_EXTERN_C() 83 84 #ifdef _WIN64 85 # define zend_fseek _fseeki64 86 # define zend_ftell _ftelli64 87 # define zend_lseek _lseeki64 88 # define zend_fstat _fstat64 89 # define zend_stat _stat64 90 typedef struct __stat64 zend_stat_t; 91 #else 92 # define zend_fseek fseek 93 # define zend_ftell ftell 94 # define zend_lseek lseek 95 # define zend_fstat fstat 96 # define zend_stat stat 97 typedef struct stat zend_stat_t; 98 #endif 99 100 #endif 101
