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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <memory>
#include <type_traits>
#if defined(__linux__)
#include <cstring>
#include <errno.h>
#include <string>
inline int strcpy_s(char *dst, size_t dstSize, const char *src) {
if ((dst == nullptr) || (src == nullptr)) {
return -EINVAL;
}
size_t length = strlen(src);
if (dstSize <= length) {
return -ERANGE;
}
memcpy(dst, src, length);
dst[length] = '\0';
return 0;
}
inline int strncpy_s(char *dst, size_t numberOfElements, const char *src, size_t count) {
if ((dst == nullptr) || (src == nullptr)) {
return -EINVAL;
}
if (numberOfElements < count) {
return -ERANGE;
}
size_t length = strlen(src);
if (length > count) {
length = count;
}
memcpy(dst, src, length);
if (length < numberOfElements) {
numberOfElements = length;
}
dst[numberOfElements] = '\0';
return 0;
}
inline size_t strnlen_s(const char *str, size_t count) {
if (str == nullptr) {
return 0;
}
for (size_t i = 0; i < count; ++i) {
if (str[i] == '\0')
return i;
}
return count;
}
inline int memcpy_s(void *dst, size_t destSize, const void *src, size_t count) {
if ((dst == nullptr) || (src == nullptr)) {
return -EINVAL;
}
if (destSize < count) {
return -ERANGE;
}
memcpy(dst, src, count);
return 0;
}
inline int memmove_s(void *dst, size_t numberOfElements, const void *src, size_t count) {
if ((dst == nullptr) || (src == nullptr)) {
return -EINVAL;
}
if (numberOfElements < count) {
return -ERANGE;
}
memmove(dst, src, count);
return 0;
}
#endif
template <typename T = char>
inline std::unique_ptr<T[]> makeCopy(const void *src, size_t size) {
if (size == 0) {
return nullptr;
}
using ElT = typename std::remove_all_extents<T>::type;
std::unique_ptr<T[]> copiedData(new ElT[size]);
memcpy_s(copiedData.get(), size, src, size);
return copiedData;
}
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