Method CopyFile

Source/Engine/Platform/Base/FileSystemBase.cpp:199–240

}

bool FileSystemBase::CopyFile(const StringView& dst, const StringView& src)
{
    // Open and create files
    const auto srcFile = File::Open(src, FileMode::OpenExisting, FileAccess::Read);
    if (!srcFile)
    {
        return true;
    }
    const auto dstFile = File::Open(dst, FileMode::CreateAlways, FileAccess::Write);
    if (!dstFile)
    {
        Delete(srcFile);
        return true;
    }

    // Skip for empty file
    uint32 size = srcFile->GetSize();
    if (size == 0)
    {
        Delete(srcFile);
        Delete(dstFile);
        return false;
    }

    // Copy data
    const uint32 bufferSize = Math::Min<uint32>(1024 * 1024, size);
    byte* buffer = (byte*)Allocator::Allocate(bufferSize);
    while (size)
    {
        const uint32 readSize = Math::Min<uint32>(bufferSize, size);
        srcFile->Read(buffer, readSize);
        dstFile->Write(buffer, readSize);
        size -= readSize;
    }
    Allocator::Free(buffer);

    // Cleanup
    Delete(srcFile);
    Delete(dstFile);

    return false;
}

bool FileSystemBase::CopyDirectory(const String& dst, const String& src, bool withSubDirectories)
{