Function read [src]

Prototype

pub fn read(self: *File, buffer: []u8) ReadError!usize

Parameters

self: *Filebuffer: []u8

Possible Errors

BufferTooSmall

DeviceError

NoMedia

Unexpected UnexpectedError

VolumeCorrupted

Source

  pub fn read(self: *File, buffer: []u8) ReadError!usize {
    var size: usize = buffer.len;
    switch (self._read(self, &size, buffer.ptr)) {
        .success => return size,
        .no_media => return Error.NoMedia,
        .device_error => return Error.DeviceError,
        .volume_corrupted => return Error.VolumeCorrupted,
        .buffer_too_small => return Error.BufferTooSmall,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  