1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 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 <zlib.h>
27
28 #define PHP_ZLIB_ENCODING_RAW -0xf
29 #define PHP_ZLIB_ENCODING_GZIP 0x1f
30 #define PHP_ZLIB_ENCODING_DEFLATE 0x0f
31
32 #define PHP_ZLIB_ENCODING_ANY 0x2f
33
34 #define PHP_ZLIB_OUTPUT_HANDLER_NAME "zlib output compression"
35 #define PHP_ZLIB_BUFFER_SIZE_GUESS(in_len) (((size_t) ((double) in_len * (double) 1.015)) + 10 + 8 + 4 + 1)
36
37 typedef struct _php_zlib_buffer {
38 char *data;
39 char *aptr;
40 size_t used;
41 size_t free;
42 size_t size;
43 } php_zlib_buffer;
44
45 typedef struct _php_zlib_context {
46 z_stream Z;
47 php_zlib_buffer buffer;
48 } php_zlib_context;
49
50 ZEND_BEGIN_MODULE_GLOBALS(zlib)
51 /* variables for transparent gzip encoding */
52 int compression_coding;
53 long output_compression;
54 long output_compression_level;
55 char *output_handler;
56 php_zlib_context *ob_gzhandler;
57 long output_compression_default;
58 zend_bool handler_registered;
59 ZEND_END_MODULE_GLOBALS(zlib);
60
61 php_stream *php_stream_gzopen(php_stream_wrapper *wrapper, const char *path, const char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC);
62 extern php_stream_ops php_stream_gzio_ops;
63 extern php_stream_wrapper php_stream_gzip_wrapper;
64 extern php_stream_filter_factory php_zlib_filter_factory;
65 extern zend_module_entry php_zlib_module_entry;
66 #define zlib_module_ptr &php_zlib_module_entry
67 #define phpext_zlib_ptr zlib_module_ptr
68
69 #ifdef ZTS
70 # include "TSRM.h"
71 # define ZLIBG(v) TSRMG(zlib_globals_id, zend_zlib_globals *, v)
72 #else
73 # define ZLIBG(v) (zlib_globals.v)
74 #endif
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 */