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 | Author: Jani Lehtimäki <jkl@njet.net> | 16 +----------------------------------------------------------------------+ 17 */ 18 19 /* $Id$ */ 20 21 #ifndef PHP_VAR_H 22 #define PHP_VAR_H 23 24 #include "ext/standard/basic_functions.h" 25 #include "zend_smart_str_public.h" 26 27 PHP_FUNCTION(var_dump); 28 PHP_FUNCTION(var_export); 29 PHP_FUNCTION(debug_zval_dump); 30 PHP_FUNCTION(serialize); 31 PHP_FUNCTION(unserialize); 32 PHP_FUNCTION(memory_get_usage); 33 PHP_FUNCTION(memory_get_peak_usage); 34 35 PHPAPI void php_var_dump(zval *struc, int level); 36 PHPAPI void php_var_export(zval *struc, int level); 37 PHPAPI void php_var_export_ex(zval *struc, int level, smart_str *buf); 38 39 PHPAPI void php_debug_zval_dump(zval *struc, int level); 40 41 struct php_serialize_data { 42 HashTable ht; 43 uint32_t n; 44 }; 45 46 struct php_unserialize_data { 47 void *first; 48 void *last; 49 void *first_dtor; 50 void *last_dtor; 51 }; 52 53 typedef struct php_serialize_data *php_serialize_data_t; 54 typedef struct php_unserialize_data *php_unserialize_data_t; 55 56 PHPAPI void php_var_serialize(smart_str *buf, zval *struc, php_serialize_data_t *data); 57 PHPAPI int php_var_unserialize(zval *rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash); 58 PHPAPI int php_var_unserialize_ref(zval *rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash); 59 PHPAPI int php_var_unserialize_intern(zval *rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash); 60 PHPAPI int php_var_unserialize_ex(zval *rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash, HashTable *classes); 61 62 #define PHP_VAR_SERIALIZE_INIT(d) \ 63 do { \ 64 /* fprintf(stderr, "SERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \ 65 if (BG(serialize_lock) || !BG(serialize).level) { \ 66 (d) = (php_serialize_data_t) emalloc(sizeof(struct php_serialize_data)); \ 67 zend_hash_init(&(d)->ht, 16, NULL, ZVAL_PTR_DTOR, 0); \ 68 (d)->n = 0; \ 69 if (!BG(serialize_lock)) { \ 70 BG(serialize).data = d; \ 71 BG(serialize).level = 1; \ 72 } \ 73 } else { \ 74 (d) = BG(serialize).data; \ 75 ++BG(serialize).level; \ 76 } \ 77 } while(0) 78 79 #define PHP_VAR_SERIALIZE_DESTROY(d) \ 80 do { \ 81 /* fprintf(stderr, "SERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \ 82 if (BG(serialize_lock) || BG(serialize).level == 1) { \ 83 zend_hash_destroy(&(d)->ht); \ 84 efree((d)); \ 85 } \ 86 if (!BG(serialize_lock) && !--BG(serialize).level) { \ 87 BG(serialize).data = NULL; \ 88 } \ 89 } while (0) 90 91 #define PHP_VAR_UNSERIALIZE_INIT(d) \ 92 do { \ 93 /* fprintf(stderr, "UNSERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \ 94 if (BG(serialize_lock) || !BG(unserialize).level) { \ 95 (d) = (php_unserialize_data_t)ecalloc(1, sizeof(struct php_unserialize_data)); \ 96 if (!BG(serialize_lock)) { \ 97 BG(unserialize).data = (d); \ 98 BG(unserialize).level = 1; \ 99 } \ 100 } else { \ 101 (d) = BG(unserialize).data; \ 102 ++BG(unserialize).level; \ 103 } \ 104 } while (0) 105 106 #define PHP_VAR_UNSERIALIZE_DESTROY(d) \ 107 do { \ 108 /* fprintf(stderr, "UNSERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \ 109 if (BG(serialize_lock) || BG(unserialize).level == 1) { \ 110 var_destroy(&(d)); \ 111 efree((d)); \ 112 } \ 113 if (!BG(serialize_lock) && !--BG(unserialize).level) { \ 114 BG(unserialize).data = NULL; \ 115 } \ 116 } while (0) 117 118 PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval *nzval); 119 PHPAPI void var_push_dtor(php_unserialize_data_t *var_hash, zval *val); 120 PHPAPI zval *var_tmp_var(php_unserialize_data_t *var_hashx); 121 PHPAPI void var_destroy(php_unserialize_data_t *var_hash); 122 123 #endif /* PHP_VAR_H */ 124
