mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
52 lines
1.3 KiB
C++
52 lines
1.3 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 <bitmap.hpp>
|
|
|
|
bool Bitmap::Get(uint64_t index)
|
|
{
|
|
if (index > Size * 8)
|
|
return false;
|
|
|
|
uint64_t byteIndex = index / 8;
|
|
uint8_t bitIndex = index % 8;
|
|
uint8_t bitIndexer = 0b10000000 >> bitIndex;
|
|
|
|
if ((Buffer[byteIndex] & bitIndexer) > 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool Bitmap::Set(uint64_t index, bool value)
|
|
{
|
|
if (index > Size * 8)
|
|
return false;
|
|
|
|
uint64_t byteIndex = index / 8;
|
|
uint8_t bitIndex = index % 8;
|
|
uint8_t bitIndexer = 0b10000000 >> bitIndex;
|
|
|
|
Buffer[byteIndex] &= ~bitIndexer;
|
|
if (value)
|
|
Buffer[byteIndex] |= bitIndexer;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Bitmap::operator[](uint64_t index) { return this->Get(index); }
|