serenity/AK/MappedFile.h
Robin Burchell 0dc9af5f7e Add clang-format file
Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
2019-05-28 17:31:20 +02:00

33 lines
589 B
C++

#pragma once
#include "AKString.h"
namespace AK {
class MappedFile {
public:
MappedFile() {}
explicit MappedFile(const String& file_name);
MappedFile(MappedFile&&);
~MappedFile();
MappedFile& operator=(MappedFile&&);
bool is_valid() const { return m_map != (void*)-1; }
void unmap();
void* pointer() { return m_map; }
const void* pointer() const { return m_map; }
size_t size() const { return m_size; }
private:
String m_file_name;
size_t m_size { 0 };
int m_fd { -1 };
void* m_map { (void*)-1 };
};
}
using AK::MappedFile;