* Copyright (c) 2021-2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "string_util.h"
#include "securec.h"
namespace OHOS {
namespace HiviewDFX {
namespace StringUtil {
int CopyCString(char* dst, const std::string& src, size_t len)
{
if (src.length() > len) {
return -1;
}
return strcpy_s(dst, src.length() + 1, src.c_str());
}
int CreateCString(char** dst, const std::string& src, size_t len)
{
if (src.length() > len) {
return -1;
}
char* data = new(std::nothrow) char[src.length() + 1]{0};
if (data == nullptr) {
return -1;
}
if (auto res = strcpy_s(data, src.length() + 1, src.c_str()); res != 0) {
delete[] data;
return res;
}
*dst = data;
return 0;
}
int ConvertCString(const std::string& str, char** sp, size_t len)
{
if (str.length() > len) {
return -1;
}
char* data = new(std::nothrow) char[str.length() + 1]{0};
if (data == nullptr) {
return -1;
}
if (auto res = strcpy_s(data, str.length() + 1, str.c_str()); res != 0) {
StringUtil::DeletePointer<char>(&data);
return res;
}
*sp = data;
return 0;
}
int ConvertCStringVec(const std::vector<std::string>& vec, char*** strs, size_t& len)
{
if (vec.empty()) {
return 0;
}
len = vec.size();
char** data = new(std::nothrow) char* [len]{0};
if (data == nullptr) {
return 0;
}
for (size_t i = 0; i < len; i++) {
if (int res = ConvertCString(vec[i], &data[i]); res != 0) {
StringUtil::DeletePointers<char>(&data, i);
return res;
}
}
*strs = data;
return 0;
}
}
}
}
