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zend_map_ptr.h
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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) #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) - 1)) # define ZEND_MAP_PTR_PTR2OFFSET(ptr) \ ((void*)((uintptr_t)(((char*)(ptr)) - ((char*)CG(map_ptr_base))) | 1L)) # 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 { \ if (ZEND_MAP_PTR_IS_OFFSET(ptr)) { \ *(ZEND_MAP_PTR_OFFSET2PTR(ptr)) = (val); \ } else { \ *(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) #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 */