syscall::scheme

Function calc_seek_offset_isize

source 
pub fn calc_seek_offset_isize(
    cur_offset: isize,
    pos: isize,
    whence: usize,
    buf_len: isize,
) -> Result<isize>
Expand description

Helper for seek calls Result is guaranteed to be positive. EOVERFLOW returned if the arguments would cause an overflow. EINVAL returned if the new offset is out of bounds.