#include "fs/FileDescriptor.h"

Descriptor::Descriptor() : m_is_open(false)
{
}

Descriptor::Descriptor(const Descriptor& other)
    : m_is_open(other.is_open()), m_can_read(other.can_read()), m_node(other.m_node), m_offset(other.m_offset)
{
}

void Descriptor::open(VFS::Node* node, bool can_read)
{
    m_can_read = can_read;
    m_node = node;
    m_offset = 0;
}

ssize_t Descriptor::read(size_t size, char* buffer)
{
    ssize_t result = VFS::read(m_node, m_offset, size, buffer);
    m_offset += result;
    return result;
}