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#include <iostream>
#include <cstddef>
#include <algorithm>
#include <string.h>
using namespace std;
template <typename T>
bool safe_copy(T * dest, size_t dest_count, const T * source, size_t source_count)
{
auto const dest_bytes = sizeof(dest[0]) * dest_count;
auto const source_bytes = sizeof(source[0]) * source_count;
//
//
if (dest_bytes < source_bytes) return false;
//
//
return memcpy( (void*)dest, (const void *)source, sizeof(source[0]) * source_count ) == dest;
}
int main()
{
char data0[10];
char data1[10]{'1', '2', '3', '4', '5', '6', '7', '8', '9', '0'};
safe_copy(&data0[0], 10, &data1[0], 10);
for(auto c: data0)
std::cout << c << "\n";
return 0;
}
