1 /* 2 +----------------------------------------------------------------------+ 3 | PHP Version 7 | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1997-2017 The PHP Group | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt | 11 | If you did not receive a copy of the PHP license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@php.net so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> | 16 | Stefan R�hrich <sr@linux.de> | 17 | Michael Wallner <mike@php.net> | 18 +----------------------------------------------------------------------+ 19 */ 20 21 /* $Id$ */ 22 23 #ifndef PHP_ZLIB_H 24 #define PHP_ZLIB_H 25 26 #include "php_version.h" 27 #define PHP_ZLIB_VERSION PHP_VERSION 28 29 #include <zlib.h> 30 31 #define PHP_ZLIB_ENCODING_RAW -0xf 32 #define PHP_ZLIB_ENCODING_GZIP 0x1f 33 #define PHP_ZLIB_ENCODING_DEFLATE 0x0f 34 35 #define PHP_ZLIB_ENCODING_ANY 0x2f 36 37 #define PHP_ZLIB_OUTPUT_HANDLER_NAME "zlib output compression" 38 #define PHP_ZLIB_BUFFER_SIZE_GUESS(in_len) (((size_t) ((double) in_len * (double) 1.015)) + 10 + 8 + 4 + 1) 39 40 typedef struct _php_zlib_buffer { 41 char *data; 42 char *aptr; 43 size_t used; 44 size_t free; 45 size_t size; 46 } php_zlib_buffer; 47 48 typedef struct _php_zlib_context { 49 z_stream Z; 50 char *inflateDict; 51 size_t inflateDictlen; 52 php_zlib_buffer buffer; 53 } php_zlib_context; 54 55 ZEND_BEGIN_MODULE_GLOBALS(zlib) 56 /* variables for transparent gzip encoding */ 57 zend_long output_compression; 58 zend_long output_compression_level; 59 char *output_handler; 60 php_zlib_context *ob_gzhandler; 61 zend_long output_compression_default; 62 zend_bool handler_registered; 63 int compression_coding; 64 ZEND_END_MODULE_GLOBALS(zlib); 65 66 #define ZLIBG(v) ZEND_MODULE_GLOBALS_ACCESSOR(zlib, v) 67 68 php_stream *php_stream_gzopen(php_stream_wrapper *wrapper, const char *path, const char *mode, int options, zend_string **opened_path, php_stream_context *context STREAMS_DC); 69 extern php_stream_ops php_stream_gzio_ops; 70 extern php_stream_wrapper php_stream_gzip_wrapper; 71 extern php_stream_filter_factory php_zlib_filter_factory; 72 extern zend_module_entry php_zlib_module_entry; 73 #define zlib_module_ptr &php_zlib_module_entry 74 #define phpext_zlib_ptr zlib_module_ptr 75 76 #endif /* PHP_ZLIB_H */ 77 78 /* 79 * Local variables: 80 * tab-width: 4 81 * c-basic-offset: 4 82 * indent-tabs-mode: t 83 * End: 84 */ 85