Kernel/storage/fs/random.cpp

45 lines
1.2 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <filesystem/mounts.hpp>
#include <rand.hpp>
#include <errno.h>
#include "../../kernel.h"
namespace vfs
{
size_t RandomDevice::read(uint8_t *Buffer, size_t Size, off_t Offset)
{
if (Size <= 0)
return 0;
uint64_t *buf = (uint64_t *)Buffer;
for (size_t i = 0; i < Size / sizeof(uint64_t); i++)
buf[i] = Random::rand64();
return Size;
}
size_t RandomDevice::write(uint8_t *Buffer, size_t Size, off_t Offset)
{
return Size;
}
RandomDevice::RandomDevice() : Node(DevFS, "random", CHARDEVICE) {}
RandomDevice::~RandomDevice() {}
}