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/* +----------------------------------------------------------------------+ | See COPYING file for further copyright information | +----------------------------------------------------------------------+ | Author: Oleg Grenrus <oleg.grenrus@dynamoid.com> | | See CREDITS for contributors | +----------------------------------------------------------------------+ */ #ifndef IGBINARY_H #define IGBINARY_H #include <stdint.h> /* Forward declarations. */ struct zval; /* Constants and constant macros */ /** Binary protocol version of igbinary. */ #define IGBINARY_FORMAT_VERSION 0x00000002 #define PHP_IGBINARY_VERSION "3.2.15" /* Macros */ #ifdef PHP_WIN32 # if defined(IGBINARY_EXPORTS) || (!defined(COMPILE_DL_IGBINARY)) # define IGBINARY_API __declspec(dllexport) # elif defined(COMPILE_DL_IGBINARY) # define IGBINARY_API __declspec(dllimport) # else # define IGBINARY_API /* nothing special */ # endif #elif defined(__GNUC__) && __GNUC__ >= 4 # define IGBINARY_API __attribute__ ((visibility("default"))) #else # define IGBINARY_API /* nothing special */ #endif /** Struct that contains pointers to memory allocation and deallocation functions. * @see igbinary_serialize_data */ struct igbinary_memory_manager { void *(*alloc)(size_t size, void *context); void *(*realloc)(void *ptr, size_t new_size, void *context); void (*free)(void *ptr, void *context); void *context; }; /** Serialize zval. * Return buffer is allocated by this function with emalloc. * @param[out] ret Return buffer * @param[out] ret_len Size of return buffer * @param[in] z Variable to be serialized * @return 0 on success, 1 elsewhere. */ IGBINARY_API int igbinary_serialize(uint8_t **ret, size_t *ret_len, zval *z); /** Serialize zval. * Return buffer is allocated by this function with emalloc. * @param[out] ret Return buffer * @param[out] ret_len Size of return buffer * @param[in] z Variable to be serialized * @param[in] memory_manager Pointer to the structure that contains memory allocation functions. * @return 0 on success, 1 elsewhere. */ IGBINARY_API int igbinary_serialize_ex(uint8_t **ret, size_t *ret_len, zval *z, struct igbinary_memory_manager *memory_manager); /** Unserialize to zval. * @param[in] buf Buffer with serialized data. * @param[in] buf_len Buffer length. * @param[out] z Unserialized zval * @return 0 on success, 1 elsewhere. */ IGBINARY_API int igbinary_unserialize(const uint8_t *buf, size_t buf_len, zval *z); static zend_always_inline int _igbinary_has_valid_header(const uint8_t *buf, size_t buf_len) { if (buf_len < 5) { /* Must have 4 header bytes and at least one byte of data */ return 0; } /* Unserialize 32bit value the same way on big-endian and little-endian architectures. * This compiles to a load+optional bswap when compiler optimizations are enabled. */ const uint32_t ret = ((uint32_t)(buf[0]) << 24) | ((uint32_t)(buf[1]) << 16) | ((uint32_t)(buf[2]) << 8) | ((uint32_t)(buf[3])); return ret == 1 || ret == 2; } /** This is defined as a macro and a static C function * to allow callers to use the macro from newer igbinary versions even with older igbinary installations. */ #define igbinary_has_valid_header(buf, buf_len) _igbinary_has_valid_header((buf), (buf_len)) #endif /* IGBINARY_H */

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• [FILE] php_igbinary.h [Edit] [Rename] [Delete]