1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "easy_util.h"
17
18 #include "easy_def.h"
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23
MemoryInit(uint8_t* data, const size_t dataLen)24 int MemoryInit(uint8_t* data, const size_t dataLen)
25 {
26 if (data == NULL) {
27 return ERR_MEM_OPT_FAILED;
28 }
29 uint8_t* tmpData = data;
30 for (size_t index = 0; index < dataLen; ++index) {
31 *tmpData = 0;
32 ++tmpData;
33 }
34 return SUCCESS;
35 }
36
MemoryCopy(uint8_t* dest, size_t destLen, uint8_t* src, const size_t srcLen)37 int MemoryCopy(uint8_t* dest, size_t destLen, uint8_t* src, const size_t srcLen)
38 {
39 if ((dest == NULL) || (src == NULL) || (destLen < srcLen)) {
40 return ERR_MEM_OPT_FAILED;
41 }
42 uint8_t* destTmpData = dest;
43 uint8_t* srcTmpData = src;
44 for (size_t index = 0; index < srcLen; ++index) {
45 *destTmpData = *srcTmpData;
46 ++destTmpData;
47 ++srcTmpData;
48 }
49 return SUCCESS;
50 }
51
52 #ifdef __cplusplus
53 }
54 #endif