homework-jianmu/source/libs/index/inc/index_util.h

53 lines
1.7 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __INDEX_UTIL_H__
#define __INDEX_UTIL_H__
#ifdef __cplusplus
extern "C" {
#endif
#define SERIALIZE_MEM_TO_BUF(buf, key, mem) \
do { \
memcpy((void*)buf, (void*)(&key->mem), sizeof(key->mem)); \
buf += sizeof(key->mem); \
} while (0)
#define SERIALIZE_STR_MEM_TO_BUF(buf, key, mem, len) \
do { \
memcpy((void*)buf, (void*)key->mem, len); \
buf += len; \
} while (0)
#define SERIALIZE_VAR_TO_BUF(buf, var, type) \
do { \
type c = var; \
assert(sizeof(type) == sizeof(c)); \
memcpy((void*)buf, (void*)&c, sizeof(c)); \
buf += sizeof(c); \
} while (0)
#define SERIALIZE_STR_VAR_TO_BUF(buf, var, len) \
do { \
memcpy((void*)buf, (void*)var, len); \
buf += len; \
} while (0)
#ifdef __cplusplus
}
#endif
#endif