#include "fs/devices/NullDevice.h"
#include "std/stdio.h"
#include "std/stdlib.h"
#include "std/string.h"

extern uint64_t clock_boot();

VFS::Node* NullDevice::create_new(const char* devname)
{
    VFS::Node* dev = new VFS::Node;
    dev->write_func = NullDevice::write;
    dev->read_func = NullDevice::read;
    dev->inode = 0;
    dev->length = 0;
    dev->type = VFS_DEVICE;
    dev->flags = 0;
    dev->uid = dev->gid = 0;
    dev->mode = 0666;
    dev->atime = dev->ctime = dev->mtime = clock_boot();
    strncpy(dev->name, devname, sizeof(dev->name));
    return dev;
}

ssize_t NullDevice::write(VFS::Node* node, size_t, size_t size, const char*)
{
    if (!node) return -1;
    return (ssize_t)size;
}

ssize_t NullDevice::read(VFS::Node* node, size_t, size_t, char*)
{
    if (!node) return -1;
    return 0;
}