Function open

src/fs/mod.rs:274–312

Open

(path: &str, flags: usize)

// Open
pub fn open(path: &str, flags: usize) -> Option<Resource>
{
	if OpenFlag::DIRECTORY.set(flags)
	{
		let res = Directory::open(path);
		if res.is_none() && OpenFlag::CREATE.set(flags)
		{
			Directory::create(path)
		}
		else
		{
			res
		}.map(Resource::Directory)
	}
	else if OpenFlag::DEVICE.set(flags)
	{
		let res = Device::open(path);
		if res.is_none() && OpenFlag::CREATE.set(flags)
		{
			Device::create(path)
		}
		else
		{
			res
		}.map(Resource::Device)
	}
	else
	{
		let res = File::open(path);
		if res.is_none() && OpenFlag::CREATE.set(flags)
		{
			File::create(path)
		}
		else
		{
			res
		}.map(Resource::File)
	}
}


// Read