1 /* 2 * This file is part of the openHiTLS project. 3 * 4 * openHiTLS is licensed under the Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * 8 * http://license.coscl.org.cn/MulanPSL2 9 * 10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 13 * See the Mulan PSL v2 for more details. 14 */ 15 16 #include "hitls_build.h" 17 #ifdef HITLS_BSL_HASH 18 19 #include "hash_local.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 IsMultiOverflow(uint32_t x,uint32_t y)25bool IsMultiOverflow(uint32_t x, uint32_t y) 26 { 27 bool ret = false; 28 29 if ((x > 0) && (y > 0)) { 30 ret = ((SIZE_MAX / x) < y) ? true : false; 31 } 32 33 return ret; 34 } 35 IsAddOverflow(uint32_t x,uint32_t y)36bool IsAddOverflow(uint32_t x, uint32_t y) 37 { 38 return ((x + y) < x); 39 } 40 41 #ifdef __cplusplus 42 } 43 #endif 44 45 #endif /* HITLS_BSL_HASH */ 46