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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_MAP_PTR_H
#define ZEND_MAP_PTR_H
#include "zend_portability.h"
#define ZEND_MAP_PTR_KIND_PTR 0
#define ZEND_MAP_PTR_KIND_PTR_OR_OFFSET 1
//#if defined(ZTS) || defined(TSRM_WIN32)
# define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
//#else
//# define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR
//#endif
#if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
# define ZEND_MAP_PTR(ptr) \
ptr ## __ptr
# define ZEND_MAP_PTR_DEF(type, name) \
type * ZEND_MAP_PTR(name)
# define ZEND_MAP_PTR_GET(ptr) \
(*(ZEND_MAP_PTR(ptr)))
# define ZEND_MAP_PTR_SET(ptr, val) do { \
(*(ZEND_MAP_PTR(ptr))) = (val); \
} while (0)
# define ZEND_MAP_PTR_INIT(ptr, val) do { \
ZEND_MAP_PTR(ptr) = (val); \
} while (0)
# define ZEND_MAP_PTR_NEW(ptr) do { \
ZEND_MAP_PTR(ptr) = zend_map_ptr_new(); \
} while (0)
# define ZEND_MAP_PTR_REAL_BASE(base) \
(base)
# define ZEND_MAP_PTR_SET_REAL_BASE(base, ptr) do { \
base = (ptr); \
} while (0)
#elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
# define ZEND_MAP_PTR(ptr) \
ptr ## __ptr
# define ZEND_MAP_PTR_DEF(type, name) \
type * ZEND_MAP_PTR(name)
# define ZEND_MAP_PTR_IS_OFFSET(ptr) \
(((uintptr_t)ZEND_MAP_PTR(ptr)) & 1L)
# define ZEND_MAP_PTR_OFFSET2PTR(ptr) \
((void**)((char*)CG(map_ptr_base) + (uintptr_t)ZEND_MAP_PTR(ptr)))
# define ZEND_MAP_PTR_PTR2OFFSET(ptr) \
((void*)(((char*)(ptr)) - ((char*)CG(map_ptr_base))))
# define ZEND_MAP_PTR_GET(ptr) \
(*(ZEND_MAP_PTR_IS_OFFSET(ptr) ? \
ZEND_MAP_PTR_OFFSET2PTR(ptr) : \
((void**)(ZEND_MAP_PTR(ptr)))))
# define ZEND_MAP_PTR_SET(ptr, val) do { \
void **__p = (void**)(ZEND_MAP_PTR(ptr)); \
if (ZEND_MAP_PTR_IS_OFFSET(ptr)) { \
__p = ZEND_MAP_PTR_OFFSET2PTR(ptr); \
} \
*__p = (val); \
} while (0)
# define ZEND_MAP_PTR_INIT(ptr, val) do { \
ZEND_MAP_PTR(ptr) = (val); \
} while (0)
# define ZEND_MAP_PTR_NEW(ptr) do { \
ZEND_MAP_PTR(ptr) = zend_map_ptr_new(); \
} while (0)
# define ZEND_MAP_PTR_REAL_BASE(base) \
((void*)(((uintptr_t)(base)) + 1))
# define ZEND_MAP_PTR_SET_REAL_BASE(base, ptr) do { \
base = (void*)(((uintptr_t)(ptr)) - 1); \
} while (0)
#else
# error "Unknown ZEND_MAP_PTR_KIND"
#endif
ZEND_API void zend_map_ptr_reset(void);
ZEND_API void *zend_map_ptr_new(void);
ZEND_API void zend_map_ptr_extend(size_t last);
#endif /* ZEND_MAP_PTR_H */
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