1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "chre/util/nanoapp/string.h"
18 #include "chre/util/nanoapp/assert.h"
19
20 namespace chre {
21
copyString(char * destination,const char * source,size_t destinationBufferSize)22 void copyString(char *destination, const char *source,
23 size_t destinationBufferSize) {
24 CHRE_ASSERT_NOT_NULL(destination);
25 CHRE_ASSERT_NOT_NULL(source);
26
27 if (destinationBufferSize == 0) {
28 return;
29 }
30
31 uint32_t i;
32 for (i = 0; i < destinationBufferSize - 1 && source[i] != '\0'; ++i) {
33 destination[i] = source[i];
34 }
35
36 memset(&destination[i], 0, destinationBufferSize - i);
37 }
38
39 } // namespace chre
40