homework-jianmu/include/os/osRand.h

42 lines
1.3 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 _TD_OS_RAND_H_
#define _TD_OS_RAND_H_
#ifdef __cplusplus
extern "C" {
#endif
// If the error is in a third-party library, place this header file under the third-party library header file.
// When you want to use this feature, you should find or add the same function in the following section.
#ifndef ALLOW_FORBID_FUNC
#define rand RAND_FUNC_TAOS_FORBID
#define srand SRAND_FUNC_TAOS_FORBID
#define rand_r RANDR_FUNC_TAOS_FORBID
#endif
void taosSeedRand(uint32_t seed);
uint32_t taosRand(void);
uint32_t taosRandR(uint32_t *pSeed);
void taosRandStr(char* str, int32_t size);
uint32_t taosSafeRand(void);
#ifdef __cplusplus
}
#endif
#endif /*_TD_OS_RAND_H_*/